ffmpeg / ffmpeg.c @ abf8342a
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/*
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* FFmpeg main
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* Copyright (c) 2000-2003 Fabrice Bellard
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/* needed for usleep() */
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#define _XOPEN_SOURCE 600 |
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#include "config.h" |
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#include <ctype.h> |
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#include <string.h> |
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#include <math.h> |
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#include <stdlib.h> |
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#include <errno.h> |
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#include <signal.h> |
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#include <limits.h> |
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#include <unistd.h> |
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#include "libavformat/avformat.h" |
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#include "libavdevice/avdevice.h" |
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#include "libswscale/swscale.h" |
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#include "libavcodec/opt.h" |
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#include "libavcodec/audioconvert.h" |
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#include "libavutil/audioconvert.h" |
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#include "libavutil/parseutils.h" |
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#include "libavutil/samplefmt.h" |
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#include "libavutil/colorspace.h" |
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#include "libavutil/fifo.h" |
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#include "libavutil/intreadwrite.h" |
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#include "libavutil/pixdesc.h" |
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#include "libavutil/avstring.h" |
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#include "libavutil/libm.h" |
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#include "libavformat/os_support.h" |
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#include "libavformat/ffm.h" // not public API |
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#if CONFIG_AVFILTER
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# include "libavfilter/avfilter.h" |
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# include "libavfilter/avfiltergraph.h" |
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# include "libavfilter/vsrc_buffer.h" |
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#endif
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#if HAVE_SYS_RESOURCE_H
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#include <sys/types.h> |
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#include <sys/time.h> |
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#include <sys/resource.h> |
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#elif HAVE_GETPROCESSTIMES
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#include <windows.h> |
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#endif
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#if HAVE_GETPROCESSMEMORYINFO
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#include <windows.h> |
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#include <psapi.h> |
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#endif
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#if HAVE_SYS_SELECT_H
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#include <sys/select.h> |
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#endif
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#if HAVE_TERMIOS_H
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#include <fcntl.h> |
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#include <sys/ioctl.h> |
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#include <sys/time.h> |
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#include <termios.h> |
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#elif HAVE_KBHIT
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#include <conio.h> |
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#endif
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#include <time.h> |
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#include "cmdutils.h" |
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#include "libavutil/avassert.h" |
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const char program_name[] = "FFmpeg"; |
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const int program_birth_year = 2000; |
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/* select an input stream for an output stream */
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typedef struct AVStreamMap { |
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int file_index;
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int stream_index;
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int sync_file_index;
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int sync_stream_index;
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} AVStreamMap; |
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/**
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* select an input file for an output file
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*/
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typedef struct AVMetaDataMap { |
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int file; //< file index |
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char type; //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram |
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int index; //< stream/chapter/program number |
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} AVMetaDataMap; |
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typedef struct AVChapterMap { |
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int in_file;
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int out_file;
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} AVChapterMap; |
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static const OptionDef options[]; |
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#define MAX_FILES 100 |
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#if !FF_API_MAX_STREAMS
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#define MAX_STREAMS 1024 /* arbitrary sanity check value */ |
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#endif
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static const char *last_asked_format = NULL; |
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static AVFormatContext *input_files[MAX_FILES];
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static int64_t input_files_ts_offset[MAX_FILES];
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static double *input_files_ts_scale[MAX_FILES] = {NULL}; |
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static AVCodec **input_codecs = NULL; |
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static int nb_input_files = 0; |
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static int nb_input_codecs = 0; |
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static int nb_input_files_ts_scale[MAX_FILES] = {0}; |
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static AVFormatContext *output_files[MAX_FILES];
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static AVCodec **output_codecs = NULL; |
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static int nb_output_files = 0; |
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static int nb_output_codecs = 0; |
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static AVStreamMap *stream_maps = NULL; |
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static int nb_stream_maps; |
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/* first item specifies output metadata, second is input */
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static AVMetaDataMap (*meta_data_maps)[2] = NULL; |
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static int nb_meta_data_maps; |
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static int metadata_global_autocopy = 1; |
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static int metadata_streams_autocopy = 1; |
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static int metadata_chapters_autocopy = 1; |
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static AVChapterMap *chapter_maps = NULL; |
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static int nb_chapter_maps; |
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/* indexed by output file stream index */
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static int *streamid_map = NULL; |
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static int nb_streamid_map = 0; |
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static int frame_width = 0; |
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static int frame_height = 0; |
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static float frame_aspect_ratio = 0; |
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static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE; |
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static int frame_bits_per_raw_sample = 0; |
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static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE; |
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static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX}; |
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static AVRational frame_rate;
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static float video_qscale = 0; |
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static uint16_t *intra_matrix = NULL; |
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static uint16_t *inter_matrix = NULL; |
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static const char *video_rc_override_string=NULL; |
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static int video_disable = 0; |
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static int video_discard = 0; |
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static char *video_codec_name = NULL; |
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static unsigned int video_codec_tag = 0; |
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static char *video_language = NULL; |
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static int same_quality = 0; |
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static int do_deinterlace = 0; |
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static int top_field_first = -1; |
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static int me_threshold = 0; |
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static int intra_dc_precision = 8; |
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static int loop_input = 0; |
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static int loop_output = AVFMT_NOOUTPUTLOOP; |
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static int qp_hist = 0; |
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#if CONFIG_AVFILTER
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static char *vfilters = NULL; |
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#else
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static unsigned int sws_flags = SWS_BICUBIC; |
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#endif
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static int intra_only = 0; |
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static int audio_sample_rate = 44100; |
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static int64_t channel_layout = 0; |
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#define QSCALE_NONE -99999 |
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static float audio_qscale = QSCALE_NONE; |
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static int audio_disable = 0; |
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static int audio_channels = 1; |
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static char *audio_codec_name = NULL; |
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static unsigned int audio_codec_tag = 0; |
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static char *audio_language = NULL; |
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static int subtitle_disable = 0; |
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static char *subtitle_codec_name = NULL; |
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static char *subtitle_language = NULL; |
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static unsigned int subtitle_codec_tag = 0; |
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static float mux_preload= 0.5; |
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static float mux_max_delay= 0.7; |
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static int64_t recording_time = INT64_MAX;
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static int64_t start_time = 0; |
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static int64_t recording_timestamp = 0; |
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static int64_t input_ts_offset = 0; |
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static int file_overwrite = 0; |
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static AVMetadata *metadata;
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static int do_benchmark = 0; |
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static int do_hex_dump = 0; |
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static int do_pkt_dump = 0; |
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static int do_psnr = 0; |
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static int do_pass = 0; |
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static char *pass_logfilename_prefix = NULL; |
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static int audio_stream_copy = 0; |
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static int video_stream_copy = 0; |
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static int subtitle_stream_copy = 0; |
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static int video_sync_method= -1; |
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static int audio_sync_method= 0; |
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static float audio_drift_threshold= 0.1; |
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static int copy_ts= 0; |
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static int copy_tb; |
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static int opt_shortest = 0; |
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static int video_global_header = 0; |
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static char *vstats_filename; |
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static FILE *vstats_file;
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static int opt_programid = 0; |
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static int copy_initial_nonkeyframes = 0; |
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static int rate_emu = 0; |
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static int video_channel = 0; |
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static char *video_standard; |
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static int audio_volume = 256; |
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static int exit_on_error = 0; |
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static int using_stdin = 0; |
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static int verbose = 1; |
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static int thread_count= 1; |
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static int q_pressed = 0; |
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static int64_t video_size = 0; |
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static int64_t audio_size = 0; |
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static int64_t extra_size = 0; |
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static int nb_frames_dup = 0; |
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static int nb_frames_drop = 0; |
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static int input_sync; |
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static uint64_t limit_filesize = 0; |
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static int force_fps = 0; |
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static char *forced_key_frames = NULL; |
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static float dts_delta_threshold = 10; |
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static int64_t timer_start;
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static uint8_t *audio_buf;
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static uint8_t *audio_out;
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static unsigned int allocated_audio_out_size, allocated_audio_buf_size; |
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static short *samples; |
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static AVBitStreamFilterContext *video_bitstream_filters=NULL; |
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static AVBitStreamFilterContext *audio_bitstream_filters=NULL; |
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static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL; |
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#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass" |
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struct AVInputStream;
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typedef struct AVOutputStream { |
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int file_index; /* file index */ |
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int index; /* stream index in the output file */ |
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int source_index; /* AVInputStream index */ |
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AVStream *st; /* stream in the output file */
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int encoding_needed; /* true if encoding needed for this stream */ |
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int frame_number;
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/* input pts and corresponding output pts
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for A/V sync */
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//double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
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struct AVInputStream *sync_ist; /* input stream to sync against */ |
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int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number |
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AVBitStreamFilterContext *bitstream_filters; |
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/* video only */
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int video_resample;
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AVFrame pict_tmp; /* temporary image for resampling */
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struct SwsContext *img_resample_ctx; /* for image resampling */ |
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int resample_height;
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int resample_width;
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int resample_pix_fmt;
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float frame_aspect_ratio;
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/* full frame size of first frame */
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int original_height;
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int original_width;
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/* forced key frames */
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int64_t *forced_kf_pts; |
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int forced_kf_count;
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int forced_kf_index;
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/* audio only */
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int audio_resample;
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ReSampleContext *resample; /* for audio resampling */
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int resample_sample_fmt;
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int resample_channels;
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int resample_sample_rate;
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int reformat_pair;
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AVAudioConvert *reformat_ctx; |
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AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
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FILE *logfile; |
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#if CONFIG_AVFILTER
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AVFilterContext *output_video_filter; |
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AVFilterContext *input_video_filter; |
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AVFilterBufferRef *picref; |
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char *avfilter;
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AVFilterGraph *graph; |
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#endif
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} AVOutputStream; |
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static AVOutputStream **output_streams_for_file[MAX_FILES] = { NULL }; |
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static int nb_output_streams_for_file[MAX_FILES] = { 0 }; |
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typedef struct AVInputStream { |
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int file_index;
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int index;
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AVStream *st; |
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int discard; /* true if stream data should be discarded */ |
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int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */ |
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int64_t sample_index; /* current sample */
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int64_t start; /* time when read started */
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int64_t next_pts; /* synthetic pts for cases where pkt.pts
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is not defined */
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int64_t pts; /* current pts */
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int is_start; /* is 1 at the start and after a discontinuity */ |
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int showed_multi_packet_warning;
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int is_past_recording_time;
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#if CONFIG_AVFILTER
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AVFrame *filter_frame; |
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int has_filter_frame;
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#endif
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} AVInputStream; |
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typedef struct AVInputFile { |
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int eof_reached; /* true if eof reached */ |
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int ist_index; /* index of first stream in ist_table */ |
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int buffer_size; /* current total buffer size */ |
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int nb_streams; /* nb streams we are aware of */ |
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} AVInputFile; |
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#if HAVE_TERMIOS_H
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/* init terminal so that we can grab keys */
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static struct termios oldtty; |
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#endif
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#if CONFIG_AVFILTER
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static int configure_video_filters(AVInputStream *ist, AVOutputStream *ost) |
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{ |
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AVFilterContext *last_filter, *filter; |
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/** filter graph containing all filters including input & output */
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AVCodecContext *codec = ost->st->codec; |
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AVCodecContext *icodec = ist->st->codec; |
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FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt }; |
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AVRational sample_aspect_ratio; |
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char args[255]; |
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int ret;
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ost->graph = avfilter_graph_alloc(); |
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if (ist->st->sample_aspect_ratio.num){
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sample_aspect_ratio = ist->st->sample_aspect_ratio; |
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}else
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sample_aspect_ratio = ist->st->codec->sample_aspect_ratio; |
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snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width, |
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ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
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sample_aspect_ratio.num, sample_aspect_ratio.den); |
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ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
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"src", args, NULL, ost->graph); |
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if (ret < 0) |
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return ret;
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ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink, |
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"out", NULL, &ffsink_ctx, ost->graph); |
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if (ret < 0) |
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return ret;
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last_filter = ost->input_video_filter; |
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if (codec->width != icodec->width || codec->height != icodec->height) {
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snprintf(args, 255, "%d:%d:flags=0x%X", |
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codec->width, |
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codec->height, |
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(int)av_get_int(sws_opts, "sws_flags", NULL)); |
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if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"), |
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NULL, args, NULL, ost->graph)) < 0) |
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return ret;
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if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0) |
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return ret;
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last_filter = filter; |
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} |
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snprintf(args, sizeof(args), "flags=0x%X", (int)av_get_int(sws_opts, "sws_flags", NULL)); |
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ost->graph->scale_sws_opts = av_strdup(args); |
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if (ost->avfilter) {
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AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
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AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
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outputs->name = av_strdup("in");
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outputs->filter_ctx = last_filter; |
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outputs->pad_idx = 0;
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outputs->next = NULL;
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inputs->name = av_strdup("out");
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inputs->filter_ctx = ost->output_video_filter; |
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inputs->pad_idx = 0;
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inputs->next = NULL;
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|
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if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0) |
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return ret;
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av_freep(&ost->avfilter); |
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} else {
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if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0) |
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return ret;
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} |
428 |
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if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0) |
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return ret;
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codec->width = ost->output_video_filter->inputs[0]->w;
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codec->height = ost->output_video_filter->inputs[0]->h;
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codec->sample_aspect_ratio = ost->st->sample_aspect_ratio = |
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ost->frame_aspect_ratio ? // overriden by the -aspect cli option
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av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
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ost->output_video_filter->inputs[0]->sample_aspect_ratio;
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return 0; |
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} |
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#endif /* CONFIG_AVFILTER */ |
442 |
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static void term_exit(void) |
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{ |
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av_log(NULL, AV_LOG_QUIET, ""); |
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#if HAVE_TERMIOS_H
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tcsetattr (0, TCSANOW, &oldtty);
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#endif
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} |
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static volatile int received_sigterm = 0; |
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static void |
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sigterm_handler(int sig)
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{ |
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received_sigterm = sig; |
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q_pressed++; |
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term_exit(); |
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} |
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static void term_init(void) |
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{ |
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#if HAVE_TERMIOS_H
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struct termios tty;
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tcgetattr (0, &tty);
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oldtty = tty; |
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atexit(term_exit); |
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tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
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|INLCR|IGNCR|ICRNL|IXON); |
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tty.c_oflag |= OPOST; |
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tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
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tty.c_cflag &= ~(CSIZE|PARENB); |
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tty.c_cflag |= CS8; |
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tty.c_cc[VMIN] = 1;
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tty.c_cc[VTIME] = 0;
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tcsetattr (0, TCSANOW, &tty);
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signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
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#endif
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signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
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signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
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#ifdef SIGXCPU
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signal(SIGXCPU, sigterm_handler); |
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#endif
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} |
489 |
|
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/* read a key without blocking */
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static int read_key(void) |
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{ |
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#if HAVE_TERMIOS_H
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int n = 1; |
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unsigned char ch; |
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struct timeval tv;
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fd_set rfds; |
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FD_ZERO(&rfds); |
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FD_SET(0, &rfds);
|
501 |
tv.tv_sec = 0;
|
502 |
tv.tv_usec = 0;
|
503 |
n = select(1, &rfds, NULL, NULL, &tv); |
504 |
if (n > 0) { |
505 |
n = read(0, &ch, 1); |
506 |
if (n == 1) |
507 |
return ch;
|
508 |
|
509 |
return n;
|
510 |
} |
511 |
#elif HAVE_KBHIT
|
512 |
if(kbhit())
|
513 |
return(getch());
|
514 |
#endif
|
515 |
return -1; |
516 |
} |
517 |
|
518 |
static int decode_interrupt_cb(void) |
519 |
{ |
520 |
q_pressed += read_key() == 'q';
|
521 |
return q_pressed > 1; |
522 |
} |
523 |
|
524 |
static int ffmpeg_exit(int ret) |
525 |
{ |
526 |
int i;
|
527 |
|
528 |
/* close files */
|
529 |
for(i=0;i<nb_output_files;i++) { |
530 |
AVFormatContext *s = output_files[i]; |
531 |
if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
|
532 |
avio_close(s->pb); |
533 |
avformat_free_context(s); |
534 |
av_free(output_streams_for_file[i]); |
535 |
} |
536 |
for(i=0;i<nb_input_files;i++) { |
537 |
av_close_input_file(input_files[i]); |
538 |
av_free(input_files_ts_scale[i]); |
539 |
} |
540 |
|
541 |
av_free(intra_matrix); |
542 |
av_free(inter_matrix); |
543 |
|
544 |
if (vstats_file)
|
545 |
fclose(vstats_file); |
546 |
av_free(vstats_filename); |
547 |
|
548 |
av_free(streamid_map); |
549 |
av_free(input_codecs); |
550 |
av_free(output_codecs); |
551 |
av_free(stream_maps); |
552 |
av_free(meta_data_maps); |
553 |
|
554 |
av_free(video_codec_name); |
555 |
av_free(audio_codec_name); |
556 |
av_free(subtitle_codec_name); |
557 |
|
558 |
av_free(video_standard); |
559 |
|
560 |
uninit_opts(); |
561 |
av_free(audio_buf); |
562 |
av_free(audio_out); |
563 |
allocated_audio_buf_size= allocated_audio_out_size= 0;
|
564 |
av_free(samples); |
565 |
|
566 |
#if CONFIG_AVFILTER
|
567 |
avfilter_uninit(); |
568 |
#endif
|
569 |
|
570 |
if (received_sigterm) {
|
571 |
fprintf(stderr, |
572 |
"Received signal %d: terminating.\n",
|
573 |
(int) received_sigterm);
|
574 |
exit (255);
|
575 |
} |
576 |
|
577 |
exit(ret); /* not all OS-es handle main() return value */
|
578 |
return ret;
|
579 |
} |
580 |
|
581 |
/* similar to ff_dynarray_add() and av_fast_realloc() */
|
582 |
static void *grow_array(void *array, int elem_size, int *size, int new_size) |
583 |
{ |
584 |
if (new_size >= INT_MAX / elem_size) {
|
585 |
fprintf(stderr, "Array too big.\n");
|
586 |
ffmpeg_exit(1);
|
587 |
} |
588 |
if (*size < new_size) {
|
589 |
uint8_t *tmp = av_realloc(array, new_size*elem_size); |
590 |
if (!tmp) {
|
591 |
fprintf(stderr, "Could not alloc buffer.\n");
|
592 |
ffmpeg_exit(1);
|
593 |
} |
594 |
memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
|
595 |
*size = new_size; |
596 |
return tmp;
|
597 |
} |
598 |
return array;
|
599 |
} |
600 |
|
601 |
static void choose_sample_fmt(AVStream *st, AVCodec *codec) |
602 |
{ |
603 |
if(codec && codec->sample_fmts){
|
604 |
const enum AVSampleFormat *p= codec->sample_fmts; |
605 |
for(; *p!=-1; p++){ |
606 |
if(*p == st->codec->sample_fmt)
|
607 |
break;
|
608 |
} |
609 |
if (*p == -1) { |
610 |
av_log(NULL, AV_LOG_WARNING,
|
611 |
"Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
|
612 |
av_get_sample_fmt_name(st->codec->sample_fmt), |
613 |
codec->name, |
614 |
av_get_sample_fmt_name(codec->sample_fmts[0]));
|
615 |
st->codec->sample_fmt = codec->sample_fmts[0];
|
616 |
} |
617 |
} |
618 |
} |
619 |
|
620 |
static void choose_sample_rate(AVStream *st, AVCodec *codec) |
621 |
{ |
622 |
if(codec && codec->supported_samplerates){
|
623 |
const int *p= codec->supported_samplerates; |
624 |
int best=0; |
625 |
int best_dist=INT_MAX;
|
626 |
for(; *p; p++){
|
627 |
int dist= abs(st->codec->sample_rate - *p);
|
628 |
if(dist < best_dist){
|
629 |
best_dist= dist; |
630 |
best= *p; |
631 |
} |
632 |
} |
633 |
if(best_dist){
|
634 |
av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
|
635 |
} |
636 |
st->codec->sample_rate= best; |
637 |
} |
638 |
} |
639 |
|
640 |
static void choose_pixel_fmt(AVStream *st, AVCodec *codec) |
641 |
{ |
642 |
if(codec && codec->pix_fmts){
|
643 |
const enum PixelFormat *p= codec->pix_fmts; |
644 |
if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
|
645 |
if(st->codec->codec_id==CODEC_ID_MJPEG){
|
646 |
p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE}; |
647 |
}else if(st->codec->codec_id==CODEC_ID_LJPEG){ |
648 |
p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE}; |
649 |
} |
650 |
} |
651 |
for(; *p!=-1; p++){ |
652 |
if(*p == st->codec->pix_fmt)
|
653 |
break;
|
654 |
} |
655 |
if (*p == -1) { |
656 |
if(st->codec->pix_fmt != PIX_FMT_NONE)
|
657 |
av_log(NULL, AV_LOG_WARNING,
|
658 |
"Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
|
659 |
av_pix_fmt_descriptors[st->codec->pix_fmt].name, |
660 |
codec->name, |
661 |
av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
|
662 |
st->codec->pix_fmt = codec->pix_fmts[0];
|
663 |
} |
664 |
} |
665 |
} |
666 |
|
667 |
static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx) |
668 |
{ |
669 |
int idx = oc->nb_streams - 1; |
670 |
AVOutputStream *ost; |
671 |
|
672 |
output_streams_for_file[file_idx] = |
673 |
grow_array(output_streams_for_file[file_idx], |
674 |
sizeof(*output_streams_for_file[file_idx]),
|
675 |
&nb_output_streams_for_file[file_idx], |
676 |
oc->nb_streams); |
677 |
ost = output_streams_for_file[file_idx][idx] = |
678 |
av_mallocz(sizeof(AVOutputStream));
|
679 |
if (!ost) {
|
680 |
fprintf(stderr, "Could not alloc output stream\n");
|
681 |
ffmpeg_exit(1);
|
682 |
} |
683 |
ost->file_index = file_idx; |
684 |
ost->index = idx; |
685 |
return ost;
|
686 |
} |
687 |
|
688 |
static int read_ffserver_streams(AVFormatContext *s, const char *filename) |
689 |
{ |
690 |
int i, err;
|
691 |
AVFormatContext *ic; |
692 |
int nopts = 0; |
693 |
|
694 |
err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL); |
695 |
if (err < 0) |
696 |
return err;
|
697 |
/* copy stream format */
|
698 |
s->nb_streams = 0;
|
699 |
for(i=0;i<ic->nb_streams;i++) { |
700 |
AVStream *st; |
701 |
AVCodec *codec; |
702 |
|
703 |
s->nb_streams++; |
704 |
|
705 |
// FIXME: a more elegant solution is needed
|
706 |
st = av_mallocz(sizeof(AVStream));
|
707 |
memcpy(st, ic->streams[i], sizeof(AVStream));
|
708 |
st->codec = avcodec_alloc_context(); |
709 |
if (!st->codec) {
|
710 |
print_error(filename, AVERROR(ENOMEM)); |
711 |
ffmpeg_exit(1);
|
712 |
} |
713 |
avcodec_copy_context(st->codec, ic->streams[i]->codec); |
714 |
s->streams[i] = st; |
715 |
|
716 |
codec = avcodec_find_encoder(st->codec->codec_id); |
717 |
if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
|
718 |
if (audio_stream_copy) {
|
719 |
st->stream_copy = 1;
|
720 |
} else
|
721 |
choose_sample_fmt(st, codec); |
722 |
} else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { |
723 |
if (video_stream_copy) {
|
724 |
st->stream_copy = 1;
|
725 |
} else
|
726 |
choose_pixel_fmt(st, codec); |
727 |
} |
728 |
|
729 |
if(st->codec->flags & CODEC_FLAG_BITEXACT)
|
730 |
nopts = 1;
|
731 |
|
732 |
new_output_stream(s, nb_output_files); |
733 |
} |
734 |
|
735 |
if (!nopts)
|
736 |
s->timestamp = av_gettime(); |
737 |
|
738 |
av_close_input_file(ic); |
739 |
return 0; |
740 |
} |
741 |
|
742 |
static double |
743 |
get_sync_ipts(const AVOutputStream *ost)
|
744 |
{ |
745 |
const AVInputStream *ist = ost->sync_ist;
|
746 |
return (double)(ist->pts - start_time)/AV_TIME_BASE; |
747 |
} |
748 |
|
749 |
static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){ |
750 |
int ret;
|
751 |
|
752 |
while(bsfc){
|
753 |
AVPacket new_pkt= *pkt; |
754 |
int a= av_bitstream_filter_filter(bsfc, avctx, NULL, |
755 |
&new_pkt.data, &new_pkt.size, |
756 |
pkt->data, pkt->size, |
757 |
pkt->flags & AV_PKT_FLAG_KEY); |
758 |
if(a>0){ |
759 |
av_free_packet(pkt); |
760 |
new_pkt.destruct= av_destruct_packet; |
761 |
} else if(a<0){ |
762 |
fprintf(stderr, "%s failed for stream %d, codec %s",
|
763 |
bsfc->filter->name, pkt->stream_index, |
764 |
avctx->codec ? avctx->codec->name : "copy");
|
765 |
print_error("", a);
|
766 |
if (exit_on_error)
|
767 |
ffmpeg_exit(1);
|
768 |
} |
769 |
*pkt= new_pkt; |
770 |
|
771 |
bsfc= bsfc->next; |
772 |
} |
773 |
|
774 |
ret= av_interleaved_write_frame(s, pkt); |
775 |
if(ret < 0){ |
776 |
print_error("av_interleaved_write_frame()", ret);
|
777 |
ffmpeg_exit(1);
|
778 |
} |
779 |
} |
780 |
|
781 |
#define MAX_AUDIO_PACKET_SIZE (128 * 1024) |
782 |
|
783 |
static void do_audio_out(AVFormatContext *s, |
784 |
AVOutputStream *ost, |
785 |
AVInputStream *ist, |
786 |
unsigned char *buf, int size) |
787 |
{ |
788 |
uint8_t *buftmp; |
789 |
int64_t audio_out_size, audio_buf_size; |
790 |
int64_t allocated_for_size= size; |
791 |
|
792 |
int size_out, frame_bytes, ret, resample_changed;
|
793 |
AVCodecContext *enc= ost->st->codec; |
794 |
AVCodecContext *dec= ist->st->codec; |
795 |
int osize= av_get_bits_per_sample_fmt(enc->sample_fmt)/8; |
796 |
int isize= av_get_bits_per_sample_fmt(dec->sample_fmt)/8; |
797 |
const int coded_bps = av_get_bits_per_sample(enc->codec->id); |
798 |
|
799 |
need_realloc:
|
800 |
audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
|
801 |
audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate; |
802 |
audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API |
803 |
audio_buf_size= FFMAX(audio_buf_size, enc->frame_size); |
804 |
audio_buf_size*= osize*enc->channels; |
805 |
|
806 |
audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels); |
807 |
if(coded_bps > 8*osize) |
808 |
audio_out_size= audio_out_size * coded_bps / (8*osize);
|
809 |
audio_out_size += FF_MIN_BUFFER_SIZE; |
810 |
|
811 |
if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
|
812 |
fprintf(stderr, "Buffer sizes too large\n");
|
813 |
ffmpeg_exit(1);
|
814 |
} |
815 |
|
816 |
av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size); |
817 |
av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size); |
818 |
if (!audio_buf || !audio_out){
|
819 |
fprintf(stderr, "Out of memory in do_audio_out\n");
|
820 |
ffmpeg_exit(1);
|
821 |
} |
822 |
|
823 |
if (enc->channels != dec->channels)
|
824 |
ost->audio_resample = 1;
|
825 |
|
826 |
resample_changed = ost->resample_sample_fmt != dec->sample_fmt || |
827 |
ost->resample_channels != dec->channels || |
828 |
ost->resample_sample_rate != dec->sample_rate; |
829 |
|
830 |
if ((ost->audio_resample && !ost->resample) || resample_changed) {
|
831 |
if (resample_changed) {
|
832 |
av_log(NULL, AV_LOG_INFO, "Input stream #%d.%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n", |
833 |
ist->file_index, ist->index, |
834 |
ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels, |
835 |
dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels); |
836 |
ost->resample_sample_fmt = dec->sample_fmt; |
837 |
ost->resample_channels = dec->channels; |
838 |
ost->resample_sample_rate = dec->sample_rate; |
839 |
if (ost->resample)
|
840 |
audio_resample_close(ost->resample); |
841 |
} |
842 |
/* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
|
843 |
if (audio_sync_method <= 1 && |
844 |
ost->resample_sample_fmt == enc->sample_fmt && |
845 |
ost->resample_channels == enc->channels && |
846 |
ost->resample_sample_rate == enc->sample_rate) { |
847 |
ost->resample = NULL;
|
848 |
ost->audio_resample = 0;
|
849 |
} else {
|
850 |
if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
|
851 |
fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
|
852 |
ost->resample = av_audio_resample_init(enc->channels, dec->channels, |
853 |
enc->sample_rate, dec->sample_rate, |
854 |
enc->sample_fmt, dec->sample_fmt, |
855 |
16, 10, 0, 0.8); |
856 |
if (!ost->resample) {
|
857 |
fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
|
858 |
dec->channels, dec->sample_rate, |
859 |
enc->channels, enc->sample_rate); |
860 |
ffmpeg_exit(1);
|
861 |
} |
862 |
} |
863 |
} |
864 |
|
865 |
#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
|
866 |
if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
|
867 |
MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) { |
868 |
if (ost->reformat_ctx)
|
869 |
av_audio_convert_free(ost->reformat_ctx); |
870 |
ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
|
871 |
dec->sample_fmt, 1, NULL, 0); |
872 |
if (!ost->reformat_ctx) {
|
873 |
fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
|
874 |
av_get_sample_fmt_name(dec->sample_fmt), |
875 |
av_get_sample_fmt_name(enc->sample_fmt)); |
876 |
ffmpeg_exit(1);
|
877 |
} |
878 |
ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt); |
879 |
} |
880 |
|
881 |
if(audio_sync_method){
|
882 |
double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
|
883 |
- av_fifo_size(ost->fifo)/(enc->channels * 2);
|
884 |
double idelta= delta*dec->sample_rate / enc->sample_rate;
|
885 |
int byte_delta= ((int)idelta)*2*dec->channels; |
886 |
|
887 |
//FIXME resample delay
|
888 |
if(fabs(delta) > 50){ |
889 |
if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
|
890 |
if(byte_delta < 0){ |
891 |
byte_delta= FFMAX(byte_delta, -size); |
892 |
size += byte_delta; |
893 |
buf -= byte_delta; |
894 |
if(verbose > 2) |
895 |
fprintf(stderr, "discarding %d audio samples\n", (int)-delta); |
896 |
if(!size)
|
897 |
return;
|
898 |
ist->is_start=0;
|
899 |
}else{
|
900 |
static uint8_t *input_tmp= NULL; |
901 |
input_tmp= av_realloc(input_tmp, byte_delta + size); |
902 |
|
903 |
if(byte_delta > allocated_for_size - size){
|
904 |
allocated_for_size= byte_delta + (int64_t)size; |
905 |
goto need_realloc;
|
906 |
} |
907 |
ist->is_start=0;
|
908 |
|
909 |
memset(input_tmp, 0, byte_delta);
|
910 |
memcpy(input_tmp + byte_delta, buf, size); |
911 |
buf= input_tmp; |
912 |
size += byte_delta; |
913 |
if(verbose > 2) |
914 |
fprintf(stderr, "adding %d audio samples of silence\n", (int)delta); |
915 |
} |
916 |
}else if(audio_sync_method>1){ |
917 |
int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
|
918 |
av_assert0(ost->audio_resample); |
919 |
if(verbose > 2) |
920 |
fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
|
921 |
// fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2));
|
922 |
av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
|
923 |
} |
924 |
} |
925 |
}else
|
926 |
ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate) |
927 |
- av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong |
928 |
|
929 |
if (ost->audio_resample) {
|
930 |
buftmp = audio_buf; |
931 |
size_out = audio_resample(ost->resample, |
932 |
(short *)buftmp, (short *)buf, |
933 |
size / (dec->channels * isize)); |
934 |
size_out = size_out * enc->channels * osize; |
935 |
} else {
|
936 |
buftmp = buf; |
937 |
size_out = size; |
938 |
} |
939 |
|
940 |
if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
|
941 |
const void *ibuf[6]= {buftmp}; |
942 |
void *obuf[6]= {audio_buf}; |
943 |
int istride[6]= {isize}; |
944 |
int ostride[6]= {osize}; |
945 |
int len= size_out/istride[0]; |
946 |
if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) { |
947 |
printf("av_audio_convert() failed\n");
|
948 |
if (exit_on_error)
|
949 |
ffmpeg_exit(1);
|
950 |
return;
|
951 |
} |
952 |
buftmp = audio_buf; |
953 |
size_out = len*osize; |
954 |
} |
955 |
|
956 |
/* now encode as many frames as possible */
|
957 |
if (enc->frame_size > 1) { |
958 |
/* output resampled raw samples */
|
959 |
if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) { |
960 |
fprintf(stderr, "av_fifo_realloc2() failed\n");
|
961 |
ffmpeg_exit(1);
|
962 |
} |
963 |
av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
|
964 |
|
965 |
frame_bytes = enc->frame_size * osize * enc->channels; |
966 |
|
967 |
while (av_fifo_size(ost->fifo) >= frame_bytes) {
|
968 |
AVPacket pkt; |
969 |
av_init_packet(&pkt); |
970 |
|
971 |
av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
|
972 |
|
973 |
//FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
|
974 |
|
975 |
ret = avcodec_encode_audio(enc, audio_out, audio_out_size, |
976 |
(short *)audio_buf);
|
977 |
if (ret < 0) { |
978 |
fprintf(stderr, "Audio encoding failed\n");
|
979 |
ffmpeg_exit(1);
|
980 |
} |
981 |
audio_size += ret; |
982 |
pkt.stream_index= ost->index; |
983 |
pkt.data= audio_out; |
984 |
pkt.size= ret; |
985 |
if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
|
986 |
pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base); |
987 |
pkt.flags |= AV_PKT_FLAG_KEY; |
988 |
write_frame(s, &pkt, enc, ost->bitstream_filters); |
989 |
|
990 |
ost->sync_opts += enc->frame_size; |
991 |
} |
992 |
} else {
|
993 |
AVPacket pkt; |
994 |
av_init_packet(&pkt); |
995 |
|
996 |
ost->sync_opts += size_out / (osize * enc->channels); |
997 |
|
998 |
/* output a pcm frame */
|
999 |
/* determine the size of the coded buffer */
|
1000 |
size_out /= osize; |
1001 |
if (coded_bps)
|
1002 |
size_out = size_out*coded_bps/8;
|
1003 |
|
1004 |
if(size_out > audio_out_size){
|
1005 |
fprintf(stderr, "Internal error, buffer size too small\n");
|
1006 |
ffmpeg_exit(1);
|
1007 |
} |
1008 |
|
1009 |
//FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
|
1010 |
ret = avcodec_encode_audio(enc, audio_out, size_out, |
1011 |
(short *)buftmp);
|
1012 |
if (ret < 0) { |
1013 |
fprintf(stderr, "Audio encoding failed\n");
|
1014 |
ffmpeg_exit(1);
|
1015 |
} |
1016 |
audio_size += ret; |
1017 |
pkt.stream_index= ost->index; |
1018 |
pkt.data= audio_out; |
1019 |
pkt.size= ret; |
1020 |
if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
|
1021 |
pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base); |
1022 |
pkt.flags |= AV_PKT_FLAG_KEY; |
1023 |
write_frame(s, &pkt, enc, ost->bitstream_filters); |
1024 |
} |
1025 |
} |
1026 |
|
1027 |
static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp) |
1028 |
{ |
1029 |
AVCodecContext *dec; |
1030 |
AVPicture *picture2; |
1031 |
AVPicture picture_tmp; |
1032 |
uint8_t *buf = 0;
|
1033 |
|
1034 |
dec = ist->st->codec; |
1035 |
|
1036 |
/* deinterlace : must be done before any resize */
|
1037 |
if (do_deinterlace) {
|
1038 |
int size;
|
1039 |
|
1040 |
/* create temporary picture */
|
1041 |
size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height); |
1042 |
buf = av_malloc(size); |
1043 |
if (!buf)
|
1044 |
return;
|
1045 |
|
1046 |
picture2 = &picture_tmp; |
1047 |
avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height); |
1048 |
|
1049 |
if(avpicture_deinterlace(picture2, picture,
|
1050 |
dec->pix_fmt, dec->width, dec->height) < 0) {
|
1051 |
/* if error, do not deinterlace */
|
1052 |
fprintf(stderr, "Deinterlacing failed\n");
|
1053 |
av_free(buf); |
1054 |
buf = NULL;
|
1055 |
picture2 = picture; |
1056 |
} |
1057 |
} else {
|
1058 |
picture2 = picture; |
1059 |
} |
1060 |
|
1061 |
if (picture != picture2)
|
1062 |
*picture = *picture2; |
1063 |
*bufp = buf; |
1064 |
} |
1065 |
|
1066 |
/* we begin to correct av delay at this threshold */
|
1067 |
#define AV_DELAY_MAX 0.100 |
1068 |
|
1069 |
static void do_subtitle_out(AVFormatContext *s, |
1070 |
AVOutputStream *ost, |
1071 |
AVInputStream *ist, |
1072 |
AVSubtitle *sub, |
1073 |
int64_t pts) |
1074 |
{ |
1075 |
static uint8_t *subtitle_out = NULL; |
1076 |
int subtitle_out_max_size = 1024 * 1024; |
1077 |
int subtitle_out_size, nb, i;
|
1078 |
AVCodecContext *enc; |
1079 |
AVPacket pkt; |
1080 |
|
1081 |
if (pts == AV_NOPTS_VALUE) {
|
1082 |
fprintf(stderr, "Subtitle packets must have a pts\n");
|
1083 |
if (exit_on_error)
|
1084 |
ffmpeg_exit(1);
|
1085 |
return;
|
1086 |
} |
1087 |
|
1088 |
enc = ost->st->codec; |
1089 |
|
1090 |
if (!subtitle_out) {
|
1091 |
subtitle_out = av_malloc(subtitle_out_max_size); |
1092 |
} |
1093 |
|
1094 |
/* Note: DVB subtitle need one packet to draw them and one other
|
1095 |
packet to clear them */
|
1096 |
/* XXX: signal it in the codec context ? */
|
1097 |
if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
|
1098 |
nb = 2;
|
1099 |
else
|
1100 |
nb = 1;
|
1101 |
|
1102 |
for(i = 0; i < nb; i++) { |
1103 |
sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q); |
1104 |
// start_display_time is required to be 0
|
1105 |
sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q); |
1106 |
sub->end_display_time -= sub->start_display_time; |
1107 |
sub->start_display_time = 0;
|
1108 |
subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out, |
1109 |
subtitle_out_max_size, sub); |
1110 |
if (subtitle_out_size < 0) { |
1111 |
fprintf(stderr, "Subtitle encoding failed\n");
|
1112 |
ffmpeg_exit(1);
|
1113 |
} |
1114 |
|
1115 |
av_init_packet(&pkt); |
1116 |
pkt.stream_index = ost->index; |
1117 |
pkt.data = subtitle_out; |
1118 |
pkt.size = subtitle_out_size; |
1119 |
pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base); |
1120 |
if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
|
1121 |
/* XXX: the pts correction is handled here. Maybe handling
|
1122 |
it in the codec would be better */
|
1123 |
if (i == 0) |
1124 |
pkt.pts += 90 * sub->start_display_time;
|
1125 |
else
|
1126 |
pkt.pts += 90 * sub->end_display_time;
|
1127 |
} |
1128 |
write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters); |
1129 |
} |
1130 |
} |
1131 |
|
1132 |
static int bit_buffer_size= 1024*256; |
1133 |
static uint8_t *bit_buffer= NULL; |
1134 |
|
1135 |
static void do_video_out(AVFormatContext *s, |
1136 |
AVOutputStream *ost, |
1137 |
AVInputStream *ist, |
1138 |
AVFrame *in_picture, |
1139 |
int *frame_size)
|
1140 |
{ |
1141 |
int nb_frames, i, ret;
|
1142 |
AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src; |
1143 |
AVCodecContext *enc, *dec; |
1144 |
double sync_ipts;
|
1145 |
|
1146 |
enc = ost->st->codec; |
1147 |
dec = ist->st->codec; |
1148 |
|
1149 |
sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base); |
1150 |
|
1151 |
/* by default, we output a single frame */
|
1152 |
nb_frames = 1;
|
1153 |
|
1154 |
*frame_size = 0;
|
1155 |
|
1156 |
if(video_sync_method){
|
1157 |
double vdelta = sync_ipts - ost->sync_opts;
|
1158 |
//FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
|
1159 |
if (vdelta < -1.1) |
1160 |
nb_frames = 0;
|
1161 |
else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){ |
1162 |
if(vdelta<=-0.6){ |
1163 |
nb_frames=0;
|
1164 |
}else if(vdelta>0.6) |
1165 |
ost->sync_opts= lrintf(sync_ipts); |
1166 |
}else if (vdelta > 1.1) |
1167 |
nb_frames = lrintf(vdelta); |
1168 |
//fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
|
1169 |
if (nb_frames == 0){ |
1170 |
++nb_frames_drop; |
1171 |
if (verbose>2) |
1172 |
fprintf(stderr, "*** drop!\n");
|
1173 |
}else if (nb_frames > 1) { |
1174 |
nb_frames_dup += nb_frames - 1;
|
1175 |
if (verbose>2) |
1176 |
fprintf(stderr, "*** %d dup!\n", nb_frames-1); |
1177 |
} |
1178 |
}else
|
1179 |
ost->sync_opts= lrintf(sync_ipts); |
1180 |
|
1181 |
nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number); |
1182 |
if (nb_frames <= 0) |
1183 |
return;
|
1184 |
|
1185 |
formatted_picture = in_picture; |
1186 |
final_picture = formatted_picture; |
1187 |
padding_src = formatted_picture; |
1188 |
resampling_dst = &ost->pict_tmp; |
1189 |
|
1190 |
if ( ost->resample_height != ist->st->codec->height
|
1191 |
|| ost->resample_width != ist->st->codec->width |
1192 |
|| (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) { |
1193 |
|
1194 |
fprintf(stderr,"Input Stream #%d.%d frame size changed to %dx%d, %s\n", ist->file_index, ist->index, ist->st->codec->width, ist->st->codec->height,avcodec_get_pix_fmt_name(ist->st->codec->pix_fmt));
|
1195 |
if(!ost->video_resample)
|
1196 |
ffmpeg_exit(1);
|
1197 |
} |
1198 |
|
1199 |
#if !CONFIG_AVFILTER
|
1200 |
if (ost->video_resample) {
|
1201 |
padding_src = NULL;
|
1202 |
final_picture = &ost->pict_tmp; |
1203 |
if( ost->resample_height != ist->st->codec->height
|
1204 |
|| ost->resample_width != ist->st->codec->width |
1205 |
|| (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) { |
1206 |
|
1207 |
/* initialize a new scaler context */
|
1208 |
sws_freeContext(ost->img_resample_ctx); |
1209 |
sws_flags = av_get_int(sws_opts, "sws_flags", NULL); |
1210 |
ost->img_resample_ctx = sws_getContext( |
1211 |
ist->st->codec->width, |
1212 |
ist->st->codec->height, |
1213 |
ist->st->codec->pix_fmt, |
1214 |
ost->st->codec->width, |
1215 |
ost->st->codec->height, |
1216 |
ost->st->codec->pix_fmt, |
1217 |
sws_flags, NULL, NULL, NULL); |
1218 |
if (ost->img_resample_ctx == NULL) { |
1219 |
fprintf(stderr, "Cannot get resampling context\n");
|
1220 |
ffmpeg_exit(1);
|
1221 |
} |
1222 |
} |
1223 |
sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize, |
1224 |
0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
|
1225 |
} |
1226 |
#endif
|
1227 |
|
1228 |
/* duplicates frame if needed */
|
1229 |
for(i=0;i<nb_frames;i++) { |
1230 |
AVPacket pkt; |
1231 |
av_init_packet(&pkt); |
1232 |
pkt.stream_index= ost->index; |
1233 |
|
1234 |
if (s->oformat->flags & AVFMT_RAWPICTURE) {
|
1235 |
/* raw pictures are written as AVPicture structure to
|
1236 |
avoid any copies. We support temorarily the older
|
1237 |
method. */
|
1238 |
AVFrame* old_frame = enc->coded_frame; |
1239 |
enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
|
1240 |
pkt.data= (uint8_t *)final_picture; |
1241 |
pkt.size= sizeof(AVPicture);
|
1242 |
pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base); |
1243 |
pkt.flags |= AV_PKT_FLAG_KEY; |
1244 |
|
1245 |
write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters); |
1246 |
enc->coded_frame = old_frame; |
1247 |
} else {
|
1248 |
AVFrame big_picture; |
1249 |
|
1250 |
big_picture= *final_picture; |
1251 |
/* better than nothing: use input picture interlaced
|
1252 |
settings */
|
1253 |
big_picture.interlaced_frame = in_picture->interlaced_frame; |
1254 |
if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
|
1255 |
if(top_field_first == -1) |
1256 |
big_picture.top_field_first = in_picture->top_field_first; |
1257 |
else
|
1258 |
big_picture.top_field_first = top_field_first; |
1259 |
} |
1260 |
|
1261 |
/* handles sameq here. This is not correct because it may
|
1262 |
not be a global option */
|
1263 |
big_picture.quality = same_quality ? ist->st->quality : ost->st->quality; |
1264 |
if(!me_threshold)
|
1265 |
big_picture.pict_type = 0;
|
1266 |
// big_picture.pts = AV_NOPTS_VALUE;
|
1267 |
big_picture.pts= ost->sync_opts; |
1268 |
// big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
|
1269 |
//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
|
1270 |
if (ost->forced_kf_index < ost->forced_kf_count &&
|
1271 |
big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) { |
1272 |
big_picture.pict_type = FF_I_TYPE; |
1273 |
ost->forced_kf_index++; |
1274 |
} |
1275 |
ret = avcodec_encode_video(enc, |
1276 |
bit_buffer, bit_buffer_size, |
1277 |
&big_picture); |
1278 |
if (ret < 0) { |
1279 |
fprintf(stderr, "Video encoding failed\n");
|
1280 |
ffmpeg_exit(1);
|
1281 |
} |
1282 |
|
1283 |
if(ret>0){ |
1284 |
pkt.data= bit_buffer; |
1285 |
pkt.size= ret; |
1286 |
if(enc->coded_frame->pts != AV_NOPTS_VALUE)
|
1287 |
pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base); |
1288 |
/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
|
1289 |
pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
|
1290 |
pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
|
1291 |
|
1292 |
if(enc->coded_frame->key_frame)
|
1293 |
pkt.flags |= AV_PKT_FLAG_KEY; |
1294 |
write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters); |
1295 |
*frame_size = ret; |
1296 |
video_size += ret; |
1297 |
//fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
|
1298 |
// enc->frame_number-1, ret, enc->pict_type);
|
1299 |
/* if two pass, output log */
|
1300 |
if (ost->logfile && enc->stats_out) {
|
1301 |
fprintf(ost->logfile, "%s", enc->stats_out);
|
1302 |
} |
1303 |
} |
1304 |
} |
1305 |
ost->sync_opts++; |
1306 |
ost->frame_number++; |
1307 |
} |
1308 |
} |
1309 |
|
1310 |
static double psnr(double d){ |
1311 |
return -10.0*log(d)/log(10.0); |
1312 |
} |
1313 |
|
1314 |
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost, |
1315 |
int frame_size)
|
1316 |
{ |
1317 |
AVCodecContext *enc; |
1318 |
int frame_number;
|
1319 |
double ti1, bitrate, avg_bitrate;
|
1320 |
|
1321 |
/* this is executed just the first time do_video_stats is called */
|
1322 |
if (!vstats_file) {
|
1323 |
vstats_file = fopen(vstats_filename, "w");
|
1324 |
if (!vstats_file) {
|
1325 |
perror("fopen");
|
1326 |
ffmpeg_exit(1);
|
1327 |
} |
1328 |
} |
1329 |
|
1330 |
enc = ost->st->codec; |
1331 |
if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
|
1332 |
frame_number = ost->frame_number; |
1333 |
fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA); |
1334 |
if (enc->flags&CODEC_FLAG_PSNR)
|
1335 |
fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0))); |
1336 |
|
1337 |
fprintf(vstats_file,"f_size= %6d ", frame_size);
|
1338 |
/* compute pts value */
|
1339 |
ti1 = ost->sync_opts * av_q2d(enc->time_base); |
1340 |
if (ti1 < 0.01) |
1341 |
ti1 = 0.01; |
1342 |
|
1343 |
bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0; |
1344 |
avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0; |
1345 |
fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
|
1346 |
(double)video_size / 1024, ti1, bitrate, avg_bitrate); |
1347 |
fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
|
1348 |
} |
1349 |
} |
1350 |
|
1351 |
static void print_report(AVFormatContext **output_files, |
1352 |
AVOutputStream **ost_table, int nb_ostreams,
|
1353 |
int is_last_report)
|
1354 |
{ |
1355 |
char buf[1024]; |
1356 |
AVOutputStream *ost; |
1357 |
AVFormatContext *oc; |
1358 |
int64_t total_size; |
1359 |
AVCodecContext *enc; |
1360 |
int frame_number, vid, i;
|
1361 |
double bitrate, ti1, pts;
|
1362 |
static int64_t last_time = -1; |
1363 |
static int qp_histogram[52]; |
1364 |
|
1365 |
if (!is_last_report) {
|
1366 |
int64_t cur_time; |
1367 |
/* display the report every 0.5 seconds */
|
1368 |
cur_time = av_gettime(); |
1369 |
if (last_time == -1) { |
1370 |
last_time = cur_time; |
1371 |
return;
|
1372 |
} |
1373 |
if ((cur_time - last_time) < 500000) |
1374 |
return;
|
1375 |
last_time = cur_time; |
1376 |
} |
1377 |
|
1378 |
|
1379 |
oc = output_files[0];
|
1380 |
|
1381 |
total_size = avio_size(oc->pb); |
1382 |
if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too |
1383 |
total_size= avio_tell(oc->pb); |
1384 |
|
1385 |
buf[0] = '\0'; |
1386 |
ti1 = 1e10;
|
1387 |
vid = 0;
|
1388 |
for(i=0;i<nb_ostreams;i++) { |
1389 |
float q= -1; |
1390 |
ost = ost_table[i]; |
1391 |
enc = ost->st->codec; |
1392 |
if(!ost->st->stream_copy && enc->coded_frame)
|
1393 |
q= enc->coded_frame->quality/(float)FF_QP2LAMBDA;
|
1394 |
if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
|
1395 |
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q); |
1396 |
} |
1397 |
if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
|
1398 |
float t = (av_gettime()-timer_start) / 1000000.0; |
1399 |
|
1400 |
frame_number = ost->frame_number; |
1401 |
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ", |
1402 |
frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q); |
1403 |
if(is_last_report)
|
1404 |
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L"); |
1405 |
if(qp_hist){
|
1406 |
int j;
|
1407 |
int qp= lrintf(q);
|
1408 |
if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram)) |
1409 |
qp_histogram[qp]++; |
1410 |
for(j=0; j<32; j++) |
1411 |
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2))); |
1412 |
} |
1413 |
if (enc->flags&CODEC_FLAG_PSNR){
|
1414 |
int j;
|
1415 |
double error, error_sum=0; |
1416 |
double scale, scale_sum=0; |
1417 |
char type[3]= {'Y','U','V'}; |
1418 |
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR="); |
1419 |
for(j=0; j<3; j++){ |
1420 |
if(is_last_report){
|
1421 |
error= enc->error[j]; |
1422 |
scale= enc->width*enc->height*255.0*255.0*frame_number; |
1423 |
}else{
|
1424 |
error= enc->coded_frame->error[j]; |
1425 |
scale= enc->width*enc->height*255.0*255.0; |
1426 |
} |
1427 |
if(j) scale/=4; |
1428 |
error_sum += error; |
1429 |
scale_sum += scale; |
1430 |
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale)); |
1431 |
} |
1432 |
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum)); |
1433 |
} |
1434 |
vid = 1;
|
1435 |
} |
1436 |
/* compute min output value */
|
1437 |
pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
|
1438 |
if ((pts < ti1) && (pts > 0)) |
1439 |
ti1 = pts; |
1440 |
} |
1441 |
if (ti1 < 0.01) |
1442 |
ti1 = 0.01; |
1443 |
|
1444 |
if (verbose || is_last_report) {
|
1445 |
bitrate = (double)(total_size * 8) / ti1 / 1000.0; |
1446 |
|
1447 |
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
|
1448 |
"size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
|
1449 |
(double)total_size / 1024, ti1, bitrate); |
1450 |
|
1451 |
if (nb_frames_dup || nb_frames_drop)
|
1452 |
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d", |
1453 |
nb_frames_dup, nb_frames_drop); |
1454 |
|
1455 |
if (verbose >= 0) |
1456 |
fprintf(stderr, "%s \r", buf);
|
1457 |
|
1458 |
fflush(stderr); |
1459 |
} |
1460 |
|
1461 |
if (is_last_report && verbose >= 0){ |
1462 |
int64_t raw= audio_size + video_size + extra_size; |
1463 |
fprintf(stderr, "\n");
|
1464 |
fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
|
1465 |
video_size/1024.0, |
1466 |
audio_size/1024.0, |
1467 |
extra_size/1024.0, |
1468 |
100.0*(total_size - raw)/raw |
1469 |
); |
1470 |
} |
1471 |
} |
1472 |
|
1473 |
static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size) |
1474 |
{ |
1475 |
int fill_char = 0x00; |
1476 |
if (sample_fmt == AV_SAMPLE_FMT_U8)
|
1477 |
fill_char = 0x80;
|
1478 |
memset(buf, fill_char, size); |
1479 |
} |
1480 |
|
1481 |
/* pkt = NULL means EOF (needed to flush decoder buffers) */
|
1482 |
static int output_packet(AVInputStream *ist, int ist_index, |
1483 |
AVOutputStream **ost_table, int nb_ostreams,
|
1484 |
const AVPacket *pkt)
|
1485 |
{ |
1486 |
AVFormatContext *os; |
1487 |
AVOutputStream *ost; |
1488 |
int ret, i;
|
1489 |
int got_picture;
|
1490 |
AVFrame picture; |
1491 |
void *buffer_to_free;
|
1492 |
static unsigned int samples_size= 0; |
1493 |
AVSubtitle subtitle, *subtitle_to_free; |
1494 |
int64_t pkt_pts = AV_NOPTS_VALUE; |
1495 |
#if CONFIG_AVFILTER
|
1496 |
int frame_available;
|
1497 |
#endif
|
1498 |
|
1499 |
AVPacket avpkt; |
1500 |
int bps = av_get_bits_per_sample_fmt(ist->st->codec->sample_fmt)>>3; |
1501 |
|
1502 |
if(ist->next_pts == AV_NOPTS_VALUE)
|
1503 |
ist->next_pts= ist->pts; |
1504 |
|
1505 |
if (pkt == NULL) { |
1506 |
/* EOF handling */
|
1507 |
av_init_packet(&avpkt); |
1508 |
avpkt.data = NULL;
|
1509 |
avpkt.size = 0;
|
1510 |
goto handle_eof;
|
1511 |
} else {
|
1512 |
avpkt = *pkt; |
1513 |
} |
1514 |
|
1515 |
if(pkt->dts != AV_NOPTS_VALUE)
|
1516 |
ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q); |
1517 |
if(pkt->pts != AV_NOPTS_VALUE)
|
1518 |
pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q); |
1519 |
|
1520 |
//while we have more to decode or while the decoder did output something on EOF
|
1521 |
while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) { |
1522 |
uint8_t *data_buf, *decoded_data_buf; |
1523 |
int data_size, decoded_data_size;
|
1524 |
handle_eof:
|
1525 |
ist->pts= ist->next_pts; |
1526 |
|
1527 |
if(avpkt.size && avpkt.size != pkt->size &&
|
1528 |
((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){ |
1529 |
fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
|
1530 |
ist->showed_multi_packet_warning=1;
|
1531 |
} |
1532 |
|
1533 |
/* decode the packet if needed */
|
1534 |
decoded_data_buf = NULL; /* fail safe */ |
1535 |
decoded_data_size= 0;
|
1536 |
data_buf = avpkt.data; |
1537 |
data_size = avpkt.size; |
1538 |
subtitle_to_free = NULL;
|
1539 |
if (ist->decoding_needed) {
|
1540 |
switch(ist->st->codec->codec_type) {
|
1541 |
case AVMEDIA_TYPE_AUDIO:{
|
1542 |
if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) { |
1543 |
samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
|
1544 |
av_free(samples); |
1545 |
samples= av_malloc(samples_size); |
1546 |
} |
1547 |
decoded_data_size= samples_size; |
1548 |
/* XXX: could avoid copy if PCM 16 bits with same
|
1549 |
endianness as CPU */
|
1550 |
ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size, |
1551 |
&avpkt); |
1552 |
if (ret < 0) |
1553 |
goto fail_decode;
|
1554 |
avpkt.data += ret; |
1555 |
avpkt.size -= ret; |
1556 |
data_size = ret; |
1557 |
/* Some bug in mpeg audio decoder gives */
|
1558 |
/* decoded_data_size < 0, it seems they are overflows */
|
1559 |
if (decoded_data_size <= 0) { |
1560 |
/* no audio frame */
|
1561 |
continue;
|
1562 |
} |
1563 |
decoded_data_buf = (uint8_t *)samples; |
1564 |
ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) / |
1565 |
(ist->st->codec->sample_rate * ist->st->codec->channels); |
1566 |
break;}
|
1567 |
case AVMEDIA_TYPE_VIDEO:
|
1568 |
decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2; |
1569 |
/* XXX: allocate picture correctly */
|
1570 |
avcodec_get_frame_defaults(&picture); |
1571 |
avpkt.pts = pkt_pts; |
1572 |
avpkt.dts = ist->pts; |
1573 |
pkt_pts = AV_NOPTS_VALUE; |
1574 |
|
1575 |
ret = avcodec_decode_video2(ist->st->codec, |
1576 |
&picture, &got_picture, &avpkt); |
1577 |
ist->st->quality= picture.quality; |
1578 |
if (ret < 0) |
1579 |
goto fail_decode;
|
1580 |
if (!got_picture) {
|
1581 |
/* no picture yet */
|
1582 |
goto discard_packet;
|
1583 |
} |
1584 |
ist->next_pts = ist->pts = picture.best_effort_timestamp; |
1585 |
if (ist->st->codec->time_base.num != 0) { |
1586 |
int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame; |
1587 |
ist->next_pts += ((int64_t)AV_TIME_BASE * |
1588 |
ist->st->codec->time_base.num * ticks) / |
1589 |
ist->st->codec->time_base.den; |
1590 |
} |
1591 |
avpkt.size = 0;
|
1592 |
break;
|
1593 |
case AVMEDIA_TYPE_SUBTITLE:
|
1594 |
ret = avcodec_decode_subtitle2(ist->st->codec, |
1595 |
&subtitle, &got_picture, &avpkt); |
1596 |
if (ret < 0) |
1597 |
goto fail_decode;
|
1598 |
if (!got_picture) {
|
1599 |
goto discard_packet;
|
1600 |
} |
1601 |
subtitle_to_free = &subtitle; |
1602 |
avpkt.size = 0;
|
1603 |
break;
|
1604 |
default:
|
1605 |
goto fail_decode;
|
1606 |
} |
1607 |
} else {
|
1608 |
switch(ist->st->codec->codec_type) {
|
1609 |
case AVMEDIA_TYPE_AUDIO:
|
1610 |
ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) / |
1611 |
ist->st->codec->sample_rate; |
1612 |
break;
|
1613 |
case AVMEDIA_TYPE_VIDEO:
|
1614 |
if (ist->st->codec->time_base.num != 0) { |
1615 |
int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame; |
1616 |
ist->next_pts += ((int64_t)AV_TIME_BASE * |
1617 |
ist->st->codec->time_base.num * ticks) / |
1618 |
ist->st->codec->time_base.den; |
1619 |
} |
1620 |
break;
|
1621 |
} |
1622 |
ret = avpkt.size; |
1623 |
avpkt.size = 0;
|
1624 |
} |
1625 |
|
1626 |
buffer_to_free = NULL;
|
1627 |
if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
|
1628 |
pre_process_video_frame(ist, (AVPicture *)&picture, |
1629 |
&buffer_to_free); |
1630 |
} |
1631 |
|
1632 |
#if CONFIG_AVFILTER
|
1633 |
if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
|
1634 |
for(i=0;i<nb_ostreams;i++) { |
1635 |
ost = ost_table[i]; |
1636 |
if (ost->input_video_filter && ost->source_index == ist_index) {
|
1637 |
AVRational sar; |
1638 |
if (ist->st->sample_aspect_ratio.num) sar = ist->st->sample_aspect_ratio;
|
1639 |
else sar = ist->st->codec->sample_aspect_ratio;
|
1640 |
// add it to be filtered
|
1641 |
av_vsrc_buffer_add_frame2(ost->input_video_filter, &picture, |
1642 |
ist->pts, |
1643 |
sar, ist->st->codec->width, ist->st->codec->height, |
1644 |
ist->st->codec->pix_fmt, "0:0"); //TODO user setable params |
1645 |
} |
1646 |
} |
1647 |
} |
1648 |
#endif
|
1649 |
|
1650 |
// preprocess audio (volume)
|
1651 |
if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
|
1652 |
if (audio_volume != 256) { |
1653 |
short *volp;
|
1654 |
volp = samples; |
1655 |
for(i=0;i<(decoded_data_size / sizeof(short));i++) { |
1656 |
int v = ((*volp) * audio_volume + 128) >> 8; |
1657 |
if (v < -32768) v = -32768; |
1658 |
if (v > 32767) v = 32767; |
1659 |
*volp++ = v; |
1660 |
} |
1661 |
} |
1662 |
} |
1663 |
|
1664 |
/* frame rate emulation */
|
1665 |
if (rate_emu) {
|
1666 |
int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
|
1667 |
int64_t now = av_gettime() - ist->start; |
1668 |
if (pts > now)
|
1669 |
usleep(pts - now); |
1670 |
} |
1671 |
/* if output time reached then transcode raw format,
|
1672 |
encode packets and output them */
|
1673 |
if (start_time == 0 || ist->pts >= start_time) |
1674 |
for(i=0;i<nb_ostreams;i++) { |
1675 |
int frame_size;
|
1676 |
|
1677 |
ost = ost_table[i]; |
1678 |
if (ost->source_index == ist_index) {
|
1679 |
#if CONFIG_AVFILTER
|
1680 |
frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || |
1681 |
!ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
|
1682 |
while (frame_available) {
|
1683 |
AVRational ist_pts_tb; |
1684 |
if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
|
1685 |
get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb); |
1686 |
if (ost->picref)
|
1687 |
ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q); |
1688 |
#endif
|
1689 |
os = output_files[ost->file_index]; |
1690 |
|
1691 |
/* set the input output pts pairs */
|
1692 |
//ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
|
1693 |
|
1694 |
if (ost->encoding_needed) {
|
1695 |
av_assert0(ist->decoding_needed); |
1696 |
switch(ost->st->codec->codec_type) {
|
1697 |
case AVMEDIA_TYPE_AUDIO:
|
1698 |
do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size); |
1699 |
break;
|
1700 |
case AVMEDIA_TYPE_VIDEO:
|
1701 |
#if CONFIG_AVFILTER
|
1702 |
if (ost->picref->video && !ost->frame_aspect_ratio)
|
1703 |
ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect; |
1704 |
#endif
|
1705 |
do_video_out(os, ost, ist, &picture, &frame_size); |
1706 |
if (vstats_filename && frame_size)
|
1707 |
do_video_stats(os, ost, frame_size); |
1708 |
break;
|
1709 |
case AVMEDIA_TYPE_SUBTITLE:
|
1710 |
do_subtitle_out(os, ost, ist, &subtitle, |
1711 |
pkt->pts); |
1712 |
break;
|
1713 |
default:
|
1714 |
abort(); |
1715 |
} |
1716 |
} else {
|
1717 |
AVFrame avframe; //FIXME/XXX remove this
|
1718 |
AVPacket opkt; |
1719 |
int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base); |
1720 |
|
1721 |
av_init_packet(&opkt); |
1722 |
|
1723 |
if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
|
1724 |
#if !CONFIG_AVFILTER
|
1725 |
continue;
|
1726 |
#else
|
1727 |
goto cont;
|
1728 |
#endif
|
1729 |
|
1730 |
/* no reencoding needed : output the packet directly */
|
1731 |
/* force the input stream PTS */
|
1732 |
|
1733 |
avcodec_get_frame_defaults(&avframe); |
1734 |
ost->st->codec->coded_frame= &avframe; |
1735 |
avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY; |
1736 |
|
1737 |
if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
|
1738 |
audio_size += data_size; |
1739 |
else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { |
1740 |
video_size += data_size; |
1741 |
ost->sync_opts++; |
1742 |
} |
1743 |
|
1744 |
opkt.stream_index= ost->index; |
1745 |
if(pkt->pts != AV_NOPTS_VALUE)
|
1746 |
opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time; |
1747 |
else
|
1748 |
opkt.pts= AV_NOPTS_VALUE; |
1749 |
|
1750 |
if (pkt->dts == AV_NOPTS_VALUE)
|
1751 |
opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base); |
1752 |
else
|
1753 |
opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base); |
1754 |
opkt.dts -= ost_tb_start_time; |
1755 |
|
1756 |
opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base); |
1757 |
opkt.flags= pkt->flags; |
1758 |
|
1759 |
//FIXME remove the following 2 lines they shall be replaced by the bitstream filters
|
1760 |
if( ost->st->codec->codec_id != CODEC_ID_H264
|
1761 |
&& ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO |
1762 |
&& ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO |
1763 |
) { |
1764 |
if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
|
1765 |
opkt.destruct= av_destruct_packet; |
1766 |
} else {
|
1767 |
opkt.data = data_buf; |
1768 |
opkt.size = data_size; |
1769 |
} |
1770 |
|
1771 |
write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters); |
1772 |
ost->st->codec->frame_number++; |
1773 |
ost->frame_number++; |
1774 |
av_free_packet(&opkt); |
1775 |
} |
1776 |
#if CONFIG_AVFILTER
|
1777 |
cont:
|
1778 |
frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) && |
1779 |
ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
|
1780 |
if(ost->picref)
|
1781 |
avfilter_unref_buffer(ost->picref); |
1782 |
} |
1783 |
#endif
|
1784 |
} |
1785 |
} |
1786 |
|
1787 |
av_free(buffer_to_free); |
1788 |
/* XXX: allocate the subtitles in the codec ? */
|
1789 |
if (subtitle_to_free) {
|
1790 |
avsubtitle_free(subtitle_to_free); |
1791 |
subtitle_to_free = NULL;
|
1792 |
} |
1793 |
} |
1794 |
discard_packet:
|
1795 |
if (pkt == NULL) { |
1796 |
/* EOF handling */
|
1797 |
|
1798 |
for(i=0;i<nb_ostreams;i++) { |
1799 |
ost = ost_table[i]; |
1800 |
if (ost->source_index == ist_index) {
|
1801 |
AVCodecContext *enc= ost->st->codec; |
1802 |
os = output_files[ost->file_index]; |
1803 |
|
1804 |
if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1) |
1805 |
continue;
|
1806 |
if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
|
1807 |
continue;
|
1808 |
|
1809 |
if (ost->encoding_needed) {
|
1810 |
for(;;) {
|
1811 |
AVPacket pkt; |
1812 |
int fifo_bytes;
|
1813 |
av_init_packet(&pkt); |
1814 |
pkt.stream_index= ost->index; |
1815 |
|
1816 |
switch(ost->st->codec->codec_type) {
|
1817 |
case AVMEDIA_TYPE_AUDIO:
|
1818 |
fifo_bytes = av_fifo_size(ost->fifo); |
1819 |
ret = 0;
|
1820 |
/* encode any samples remaining in fifo */
|
1821 |
if (fifo_bytes > 0) { |
1822 |
int osize = av_get_bits_per_sample_fmt(enc->sample_fmt) >> 3; |
1823 |
int fs_tmp = enc->frame_size;
|
1824 |
|
1825 |
av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
|
1826 |
if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
|
1827 |
enc->frame_size = fifo_bytes / (osize * enc->channels); |
1828 |
} else { /* pad */ |
1829 |
int frame_bytes = enc->frame_size*osize*enc->channels;
|
1830 |
if (allocated_audio_buf_size < frame_bytes)
|
1831 |
ffmpeg_exit(1);
|
1832 |
generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes); |
1833 |
} |
1834 |
|
1835 |
ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
|
1836 |
pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den, |
1837 |
ost->st->time_base.num, enc->sample_rate); |
1838 |
enc->frame_size = fs_tmp; |
1839 |
} |
1840 |
if(ret <= 0) { |
1841 |
ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
|
1842 |
} |
1843 |
if (ret < 0) { |
1844 |
fprintf(stderr, "Audio encoding failed\n");
|
1845 |
ffmpeg_exit(1);
|
1846 |
} |
1847 |
audio_size += ret; |
1848 |
pkt.flags |= AV_PKT_FLAG_KEY; |
1849 |
break;
|
1850 |
case AVMEDIA_TYPE_VIDEO:
|
1851 |
ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
|
1852 |
if (ret < 0) { |
1853 |
fprintf(stderr, "Video encoding failed\n");
|
1854 |
ffmpeg_exit(1);
|
1855 |
} |
1856 |
video_size += ret; |
1857 |
if(enc->coded_frame && enc->coded_frame->key_frame)
|
1858 |
pkt.flags |= AV_PKT_FLAG_KEY; |
1859 |
if (ost->logfile && enc->stats_out) {
|
1860 |
fprintf(ost->logfile, "%s", enc->stats_out);
|
1861 |
} |
1862 |
break;
|
1863 |
default:
|
1864 |
ret=-1;
|
1865 |
} |
1866 |
|
1867 |
if(ret<=0) |
1868 |
break;
|
1869 |
pkt.data= bit_buffer; |
1870 |
pkt.size= ret; |
1871 |
if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
|
1872 |
pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base); |
1873 |
write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters); |
1874 |
} |
1875 |
} |
1876 |
} |
1877 |
} |
1878 |
} |
1879 |
|
1880 |
return 0; |
1881 |
fail_decode:
|
1882 |
return -1; |
1883 |
} |
1884 |
|
1885 |
static void print_sdp(AVFormatContext **avc, int n) |
1886 |
{ |
1887 |
char sdp[2048]; |
1888 |
|
1889 |
av_sdp_create(avc, n, sdp, sizeof(sdp));
|
1890 |
printf("SDP:\n%s\n", sdp);
|
1891 |
fflush(stdout); |
1892 |
} |
1893 |
|
1894 |
static int copy_chapters(int infile, int outfile) |
1895 |
{ |
1896 |
AVFormatContext *is = input_files[infile]; |
1897 |
AVFormatContext *os = output_files[outfile]; |
1898 |
int i;
|
1899 |
|
1900 |
for (i = 0; i < is->nb_chapters; i++) { |
1901 |
AVChapter *in_ch = is->chapters[i], *out_ch; |
1902 |
int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile], |
1903 |
AV_TIME_BASE_Q, in_ch->time_base); |
1904 |
int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX : |
1905 |
av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base); |
1906 |
|
1907 |
|
1908 |
if (in_ch->end < ts_off)
|
1909 |
continue;
|
1910 |
if (rt != INT64_MAX && in_ch->start > rt + ts_off)
|
1911 |
break;
|
1912 |
|
1913 |
out_ch = av_mallocz(sizeof(AVChapter));
|
1914 |
if (!out_ch)
|
1915 |
return AVERROR(ENOMEM);
|
1916 |
|
1917 |
out_ch->id = in_ch->id; |
1918 |
out_ch->time_base = in_ch->time_base; |
1919 |
out_ch->start = FFMAX(0, in_ch->start - ts_off);
|
1920 |
out_ch->end = FFMIN(rt, in_ch->end - ts_off); |
1921 |
|
1922 |
if (metadata_chapters_autocopy)
|
1923 |
av_metadata_copy(&out_ch->metadata, in_ch->metadata, 0);
|
1924 |
|
1925 |
os->nb_chapters++; |
1926 |
os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
|
1927 |
if (!os->chapters)
|
1928 |
return AVERROR(ENOMEM);
|
1929 |
os->chapters[os->nb_chapters - 1] = out_ch;
|
1930 |
} |
1931 |
return 0; |
1932 |
} |
1933 |
|
1934 |
static void parse_forced_key_frames(char *kf, AVOutputStream *ost, |
1935 |
AVCodecContext *avctx) |
1936 |
{ |
1937 |
char *p;
|
1938 |
int n = 1, i; |
1939 |
int64_t t; |
1940 |
|
1941 |
for (p = kf; *p; p++)
|
1942 |
if (*p == ',') |
1943 |
n++; |
1944 |
ost->forced_kf_count = n; |
1945 |
ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
|
1946 |
if (!ost->forced_kf_pts) {
|
1947 |
av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n"); |
1948 |
ffmpeg_exit(1);
|
1949 |
} |
1950 |
for (i = 0; i < n; i++) { |
1951 |
p = i ? strchr(p, ',') + 1 : kf; |
1952 |
t = parse_time_or_die("force_key_frames", p, 1); |
1953 |
ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base); |
1954 |
} |
1955 |
} |
1956 |
|
1957 |
/*
|
1958 |
* The following code is the main loop of the file converter
|
1959 |
*/
|
1960 |
static int transcode(AVFormatContext **output_files, |
1961 |
int nb_output_files,
|
1962 |
AVFormatContext **input_files, |
1963 |
int nb_input_files,
|
1964 |
AVStreamMap *stream_maps, int nb_stream_maps)
|
1965 |
{ |
1966 |
int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0, step; |
1967 |
AVFormatContext *is, *os; |
1968 |
AVCodecContext *codec, *icodec; |
1969 |
AVOutputStream *ost, **ost_table = NULL;
|
1970 |
AVInputStream *ist, **ist_table = NULL;
|
1971 |
AVInputFile *file_table; |
1972 |
char error[1024]; |
1973 |
int key;
|
1974 |
int want_sdp = 1; |
1975 |
uint8_t no_packet[MAX_FILES]={0};
|
1976 |
int no_packet_count=0; |
1977 |
int nb_frame_threshold[AVMEDIA_TYPE_NB]={0}; |
1978 |
int nb_streams[AVMEDIA_TYPE_NB]={0}; |
1979 |
|
1980 |
file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
|
1981 |
if (!file_table)
|
1982 |
goto fail;
|
1983 |
|
1984 |
/* input stream init */
|
1985 |
j = 0;
|
1986 |
for(i=0;i<nb_input_files;i++) { |
1987 |
is = input_files[i]; |
1988 |
file_table[i].ist_index = j; |
1989 |
file_table[i].nb_streams = is->nb_streams; |
1990 |
j += is->nb_streams; |
1991 |
} |
1992 |
nb_istreams = j; |
1993 |
|
1994 |
ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
|
1995 |
if (!ist_table)
|
1996 |
goto fail;
|
1997 |
|
1998 |
for(i=0;i<nb_istreams;i++) { |
1999 |
ist = av_mallocz(sizeof(AVInputStream));
|
2000 |
if (!ist)
|
2001 |
goto fail;
|
2002 |
ist_table[i] = ist; |
2003 |
} |
2004 |
j = 0;
|
2005 |
for(i=0;i<nb_input_files;i++) { |
2006 |
is = input_files[i]; |
2007 |
for(k=0;k<is->nb_streams;k++) { |
2008 |
ist = ist_table[j++]; |
2009 |
ist->st = is->streams[k]; |
2010 |
ist->file_index = i; |
2011 |
ist->index = k; |
2012 |
ist->discard = 1; /* the stream is discarded by default |
2013 |
(changed later) */
|
2014 |
|
2015 |
if (rate_emu) {
|
2016 |
ist->start = av_gettime(); |
2017 |
} |
2018 |
} |
2019 |
} |
2020 |
|
2021 |
/* output stream init */
|
2022 |
nb_ostreams = 0;
|
2023 |
for(i=0;i<nb_output_files;i++) { |
2024 |
os = output_files[i]; |
2025 |
if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
|
2026 |
av_dump_format(output_files[i], i, output_files[i]->filename, 1);
|
2027 |
fprintf(stderr, "Output file #%d does not contain any stream\n", i);
|
2028 |
ret = AVERROR(EINVAL); |
2029 |
goto fail;
|
2030 |
} |
2031 |
nb_ostreams += os->nb_streams; |
2032 |
} |
2033 |
if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) { |
2034 |
fprintf(stderr, "Number of stream maps must match number of output streams\n");
|
2035 |
ret = AVERROR(EINVAL); |
2036 |
goto fail;
|
2037 |
} |
2038 |
|
2039 |
/* Sanity check the mapping args -- do the input files & streams exist? */
|
2040 |
for(i=0;i<nb_stream_maps;i++) { |
2041 |
int fi = stream_maps[i].file_index;
|
2042 |
int si = stream_maps[i].stream_index;
|
2043 |
|
2044 |
if (fi < 0 || fi > nb_input_files - 1 || |
2045 |
si < 0 || si > file_table[fi].nb_streams - 1) { |
2046 |
fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
|
2047 |
ret = AVERROR(EINVAL); |
2048 |
goto fail;
|
2049 |
} |
2050 |
fi = stream_maps[i].sync_file_index; |
2051 |
si = stream_maps[i].sync_stream_index; |
2052 |
if (fi < 0 || fi > nb_input_files - 1 || |
2053 |
si < 0 || si > file_table[fi].nb_streams - 1) { |
2054 |
fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
|
2055 |
ret = AVERROR(EINVAL); |
2056 |
goto fail;
|
2057 |
} |
2058 |
} |
2059 |
|
2060 |
ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
|
2061 |
if (!ost_table)
|
2062 |
goto fail;
|
2063 |
|
2064 |
for(k=0;k<nb_output_files;k++) { |
2065 |
os = output_files[k]; |
2066 |
for(i=0;i<os->nb_streams;i++,n++) { |
2067 |
nb_streams[os->streams[i]->codec->codec_type]++; |
2068 |
} |
2069 |
} |
2070 |
for(step=1<<30; step; step>>=1){ |
2071 |
int found_streams[AVMEDIA_TYPE_NB]={0}; |
2072 |
for(j=0; j<AVMEDIA_TYPE_NB; j++) |
2073 |
nb_frame_threshold[j] += step; |
2074 |
|
2075 |
for(j=0; j<nb_istreams; j++) { |
2076 |
int skip=0; |
2077 |
ist = ist_table[j]; |
2078 |
if(opt_programid){
|
2079 |
int pi,si;
|
2080 |
AVFormatContext *f= input_files[ ist->file_index ]; |
2081 |
skip=1;
|
2082 |
for(pi=0; pi<f->nb_programs; pi++){ |
2083 |
AVProgram *p= f->programs[pi]; |
2084 |
if(p->id == opt_programid)
|
2085 |
for(si=0; si<p->nb_stream_indexes; si++){ |
2086 |
if(f->streams[ p->stream_index[si] ] == ist->st)
|
2087 |
skip=0;
|
2088 |
} |
2089 |
} |
2090 |
} |
2091 |
if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip
|
2092 |
&& nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames){ |
2093 |
found_streams[ist->st->codec->codec_type]++; |
2094 |
} |
2095 |
} |
2096 |
for(j=0; j<AVMEDIA_TYPE_NB; j++) |
2097 |
if(found_streams[j] < nb_streams[j])
|
2098 |
nb_frame_threshold[j] -= step; |
2099 |
} |
2100 |
n = 0;
|
2101 |
for(k=0;k<nb_output_files;k++) { |
2102 |
os = output_files[k]; |
2103 |
for(i=0;i<os->nb_streams;i++,n++) { |
2104 |
int found;
|
2105 |
ost = ost_table[n] = output_streams_for_file[k][i]; |
2106 |
ost->st = os->streams[i]; |
2107 |
if (nb_stream_maps > 0) { |
2108 |
ost->source_index = file_table[stream_maps[n].file_index].ist_index + |
2109 |
stream_maps[n].stream_index; |
2110 |
|
2111 |
/* Sanity check that the stream types match */
|
2112 |
if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
|
2113 |
int i= ost->file_index;
|
2114 |
av_dump_format(output_files[i], i, output_files[i]->filename, 1);
|
2115 |
fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
|
2116 |
stream_maps[n].file_index, stream_maps[n].stream_index, |
2117 |
ost->file_index, ost->index); |
2118 |
ffmpeg_exit(1);
|
2119 |
} |
2120 |
|
2121 |
} else {
|
2122 |
/* get corresponding input stream index : we select the first one with the right type */
|
2123 |
found = 0;
|
2124 |
for(j=0;j<nb_istreams;j++) { |
2125 |
int skip=0; |
2126 |
ist = ist_table[j]; |
2127 |
if(opt_programid){
|
2128 |
int pi,si;
|
2129 |
AVFormatContext *f= input_files[ ist->file_index ]; |
2130 |
skip=1;
|
2131 |
for(pi=0; pi<f->nb_programs; pi++){ |
2132 |
AVProgram *p= f->programs[pi]; |
2133 |
if(p->id == opt_programid)
|
2134 |
for(si=0; si<p->nb_stream_indexes; si++){ |
2135 |
if(f->streams[ p->stream_index[si] ] == ist->st)
|
2136 |
skip=0;
|
2137 |
} |
2138 |
} |
2139 |
} |
2140 |
if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
|
2141 |
ist->st->codec->codec_type == ost->st->codec->codec_type && |
2142 |
nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames) { |
2143 |
ost->source_index = j; |
2144 |
found = 1;
|
2145 |
break;
|
2146 |
} |
2147 |
} |
2148 |
|
2149 |
if (!found) {
|
2150 |
if(! opt_programid) {
|
2151 |
/* try again and reuse existing stream */
|
2152 |
for(j=0;j<nb_istreams;j++) { |
2153 |
ist = ist_table[j]; |
2154 |
if ( ist->st->codec->codec_type == ost->st->codec->codec_type
|
2155 |
&& ist->st->discard != AVDISCARD_ALL) { |
2156 |
ost->source_index = j; |
2157 |
found = 1;
|
2158 |
} |
2159 |
} |
2160 |
} |
2161 |
if (!found) {
|
2162 |
int i= ost->file_index;
|
2163 |
av_dump_format(output_files[i], i, output_files[i]->filename, 1);
|
2164 |
fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
|
2165 |
ost->file_index, ost->index); |
2166 |
ffmpeg_exit(1);
|
2167 |
} |
2168 |
} |
2169 |
} |
2170 |
ist = ist_table[ost->source_index]; |
2171 |
ist->discard = 0;
|
2172 |
ost->sync_ist = (nb_stream_maps > 0) ?
|
2173 |
ist_table[file_table[stream_maps[n].sync_file_index].ist_index + |
2174 |
stream_maps[n].sync_stream_index] : ist; |
2175 |
} |
2176 |
} |
2177 |
|
2178 |
/* for each output stream, we compute the right encoding parameters */
|
2179 |
for(i=0;i<nb_ostreams;i++) { |
2180 |
ost = ost_table[i]; |
2181 |
os = output_files[ost->file_index]; |
2182 |
ist = ist_table[ost->source_index]; |
2183 |
|
2184 |
codec = ost->st->codec; |
2185 |
icodec = ist->st->codec; |
2186 |
|
2187 |
if (metadata_streams_autocopy)
|
2188 |
av_metadata_copy(&ost->st->metadata, ist->st->metadata, |
2189 |
AV_METADATA_DONT_OVERWRITE); |
2190 |
|
2191 |
ost->st->disposition = ist->st->disposition; |
2192 |
codec->bits_per_raw_sample= icodec->bits_per_raw_sample; |
2193 |
codec->chroma_sample_location = icodec->chroma_sample_location; |
2194 |
|
2195 |
if (ost->st->stream_copy) {
|
2196 |
uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE; |
2197 |
|
2198 |
if (extra_size > INT_MAX)
|
2199 |
goto fail;
|
2200 |
|
2201 |
/* if stream_copy is selected, no need to decode or encode */
|
2202 |
codec->codec_id = icodec->codec_id; |
2203 |
codec->codec_type = icodec->codec_type; |
2204 |
|
2205 |
if(!codec->codec_tag){
|
2206 |
if( !os->oformat->codec_tag
|
2207 |
|| av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id |
2208 |
|| av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
|
2209 |
codec->codec_tag = icodec->codec_tag; |
2210 |
} |
2211 |
|
2212 |
codec->bit_rate = icodec->bit_rate; |
2213 |
codec->rc_max_rate = icodec->rc_max_rate; |
2214 |
codec->rc_buffer_size = icodec->rc_buffer_size; |
2215 |
codec->extradata= av_mallocz(extra_size); |
2216 |
if (!codec->extradata)
|
2217 |
goto fail;
|
2218 |
memcpy(codec->extradata, icodec->extradata, icodec->extradata_size); |
2219 |
codec->extradata_size= icodec->extradata_size; |
2220 |
if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){ |
2221 |
codec->time_base = icodec->time_base; |
2222 |
codec->time_base.num *= icodec->ticks_per_frame; |
2223 |
av_reduce(&codec->time_base.num, &codec->time_base.den, |
2224 |
codec->time_base.num, codec->time_base.den, INT_MAX); |
2225 |
}else
|
2226 |
codec->time_base = ist->st->time_base; |
2227 |
switch(codec->codec_type) {
|
2228 |
case AVMEDIA_TYPE_AUDIO:
|
2229 |
if(audio_volume != 256) { |
2230 |
fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
|
2231 |
ffmpeg_exit(1);
|
2232 |
} |
2233 |
codec->channel_layout = icodec->channel_layout; |
2234 |
codec->sample_rate = icodec->sample_rate; |
2235 |
codec->channels = icodec->channels; |
2236 |
codec->frame_size = icodec->frame_size; |
2237 |
codec->audio_service_type = icodec->audio_service_type; |
2238 |
codec->block_align= icodec->block_align; |
2239 |
if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3) |
2240 |
codec->block_align= 0;
|
2241 |
if(codec->codec_id == CODEC_ID_AC3)
|
2242 |
codec->block_align= 0;
|
2243 |
break;
|
2244 |
case AVMEDIA_TYPE_VIDEO:
|
2245 |
codec->pix_fmt = icodec->pix_fmt; |
2246 |
codec->width = icodec->width; |
2247 |
codec->height = icodec->height; |
2248 |
codec->has_b_frames = icodec->has_b_frames; |
2249 |
if (!codec->sample_aspect_ratio.num) {
|
2250 |
codec->sample_aspect_ratio = |
2251 |
ost->st->sample_aspect_ratio = |
2252 |
ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio : |
2253 |
ist->st->codec->sample_aspect_ratio.num ? |
2254 |
ist->st->codec->sample_aspect_ratio : (AVRational){0, 1}; |
2255 |
} |
2256 |
break;
|
2257 |
case AVMEDIA_TYPE_SUBTITLE:
|
2258 |
codec->width = icodec->width; |
2259 |
codec->height = icodec->height; |
2260 |
break;
|
2261 |
default:
|
2262 |
abort(); |
2263 |
} |
2264 |
} else {
|
2265 |
switch(codec->codec_type) {
|
2266 |
case AVMEDIA_TYPE_AUDIO:
|
2267 |
ost->fifo= av_fifo_alloc(1024);
|
2268 |
if(!ost->fifo)
|
2269 |
goto fail;
|
2270 |
ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE); |
2271 |
ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
|
2272 |
icodec->request_channels = codec->channels; |
2273 |
ist->decoding_needed = 1;
|
2274 |
ost->encoding_needed = 1;
|
2275 |
ost->resample_sample_fmt = icodec->sample_fmt; |
2276 |
ost->resample_sample_rate = icodec->sample_rate; |
2277 |
ost->resample_channels = icodec->channels; |
2278 |
break;
|
2279 |
case AVMEDIA_TYPE_VIDEO:
|
2280 |
if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
|
2281 |
fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
|
2282 |
ffmpeg_exit(1);
|
2283 |
} |
2284 |
ost->video_resample = (codec->width != icodec->width || |
2285 |
codec->height != icodec->height || |
2286 |
(codec->pix_fmt != icodec->pix_fmt)); |
2287 |
if (ost->video_resample) {
|
2288 |
#if !CONFIG_AVFILTER
|
2289 |
avcodec_get_frame_defaults(&ost->pict_tmp); |
2290 |
if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
|
2291 |
codec->width, codec->height)) { |
2292 |
fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
|
2293 |
ffmpeg_exit(1);
|
2294 |
} |
2295 |
sws_flags = av_get_int(sws_opts, "sws_flags", NULL); |
2296 |
ost->img_resample_ctx = sws_getContext( |
2297 |
icodec->width, |
2298 |
icodec->height, |
2299 |
icodec->pix_fmt, |
2300 |
codec->width, |
2301 |
codec->height, |
2302 |
codec->pix_fmt, |
2303 |
sws_flags, NULL, NULL, NULL); |
2304 |
if (ost->img_resample_ctx == NULL) { |
2305 |
fprintf(stderr, "Cannot get resampling context\n");
|
2306 |
ffmpeg_exit(1);
|
2307 |
} |
2308 |
|
2309 |
ost->original_height = icodec->height; |
2310 |
ost->original_width = icodec->width; |
2311 |
#endif
|
2312 |
codec->bits_per_raw_sample= frame_bits_per_raw_sample; |
2313 |
} |
2314 |
ost->resample_height = icodec->height; |
2315 |
ost->resample_width = icodec->width; |
2316 |
ost->resample_pix_fmt= icodec->pix_fmt; |
2317 |
ost->encoding_needed = 1;
|
2318 |
ist->decoding_needed = 1;
|
2319 |
|
2320 |
#if CONFIG_AVFILTER
|
2321 |
if (configure_video_filters(ist, ost)) {
|
2322 |
fprintf(stderr, "Error opening filters!\n");
|
2323 |
exit(1);
|
2324 |
} |
2325 |
#endif
|
2326 |
break;
|
2327 |
case AVMEDIA_TYPE_SUBTITLE:
|
2328 |
ost->encoding_needed = 1;
|
2329 |
ist->decoding_needed = 1;
|
2330 |
break;
|
2331 |
default:
|
2332 |
abort(); |
2333 |
break;
|
2334 |
} |
2335 |
/* two pass mode */
|
2336 |
if (ost->encoding_needed &&
|
2337 |
(codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) { |
2338 |
char logfilename[1024]; |
2339 |
FILE *f; |
2340 |
|
2341 |
snprintf(logfilename, sizeof(logfilename), "%s-%d.log", |
2342 |
pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX, |
2343 |
i); |
2344 |
if (codec->flags & CODEC_FLAG_PASS1) {
|
2345 |
f = fopen(logfilename, "wb");
|
2346 |
if (!f) {
|
2347 |
fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
|
2348 |
ffmpeg_exit(1);
|
2349 |
} |
2350 |
ost->logfile = f; |
2351 |
} else {
|
2352 |
char *logbuffer;
|
2353 |
size_t logbuffer_size; |
2354 |
if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) { |
2355 |
fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
|
2356 |
ffmpeg_exit(1);
|
2357 |
} |
2358 |
codec->stats_in = logbuffer; |
2359 |
} |
2360 |
} |
2361 |
} |
2362 |
if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
|
2363 |
/* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
|
2364 |
int size= codec->width * codec->height;
|
2365 |
bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664); |
2366 |
} |
2367 |
} |
2368 |
|
2369 |
if (!bit_buffer)
|
2370 |
bit_buffer = av_malloc(bit_buffer_size); |
2371 |
if (!bit_buffer) {
|
2372 |
fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
|
2373 |
bit_buffer_size); |
2374 |
ret = AVERROR(ENOMEM); |
2375 |
goto fail;
|
2376 |
} |
2377 |
|
2378 |
/* open each encoder */
|
2379 |
for(i=0;i<nb_ostreams;i++) { |
2380 |
ost = ost_table[i]; |
2381 |
if (ost->encoding_needed) {
|
2382 |
AVCodec *codec = i < nb_output_codecs ? output_codecs[i] : NULL;
|
2383 |
AVCodecContext *dec = ist_table[ost->source_index]->st->codec; |
2384 |
if (!codec)
|
2385 |
codec = avcodec_find_encoder(ost->st->codec->codec_id); |
2386 |
if (!codec) {
|
2387 |
snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d", |
2388 |
ost->st->codec->codec_id, ost->file_index, ost->index); |
2389 |
ret = AVERROR(EINVAL); |
2390 |
goto dump_format;
|
2391 |
} |
2392 |
if (dec->subtitle_header) {
|
2393 |
ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size); |
2394 |
if (!ost->st->codec->subtitle_header) {
|
2395 |
ret = AVERROR(ENOMEM); |
2396 |
goto dump_format;
|
2397 |
} |
2398 |
memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size); |
2399 |
ost->st->codec->subtitle_header_size = dec->subtitle_header_size; |
2400 |
} |
2401 |
if (avcodec_open(ost->st->codec, codec) < 0) { |
2402 |
snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height", |
2403 |
ost->file_index, ost->index); |
2404 |
ret = AVERROR(EINVAL); |
2405 |
goto dump_format;
|
2406 |
} |
2407 |
extra_size += ost->st->codec->extradata_size; |
2408 |
} |
2409 |
} |
2410 |
|
2411 |
/* open each decoder */
|
2412 |
for(i=0;i<nb_istreams;i++) { |
2413 |
ist = ist_table[i]; |
2414 |
if (ist->decoding_needed) {
|
2415 |
AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL;
|
2416 |
if (!codec)
|
2417 |
codec = avcodec_find_decoder(ist->st->codec->codec_id); |
2418 |
if (!codec) {
|
2419 |
snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d", |
2420 |
ist->st->codec->codec_id, ist->file_index, ist->index); |
2421 |
ret = AVERROR(EINVAL); |
2422 |
goto dump_format;
|
2423 |
} |
2424 |
if (avcodec_open(ist->st->codec, codec) < 0) { |
2425 |
snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d", |
2426 |
ist->file_index, ist->index); |
2427 |
ret = AVERROR(EINVAL); |
2428 |
goto dump_format;
|
2429 |
} |
2430 |
//if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
|
2431 |
// ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
|
2432 |
} |
2433 |
} |
2434 |
|
2435 |
/* init pts */
|
2436 |
for(i=0;i<nb_istreams;i++) { |
2437 |
AVStream *st; |
2438 |
ist = ist_table[i]; |
2439 |
st= ist->st; |
2440 |
ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
|
2441 |
ist->next_pts = AV_NOPTS_VALUE; |
2442 |
ist->is_start = 1;
|
2443 |
} |
2444 |
|
2445 |
/* set meta data information from input file if required */
|
2446 |
for (i=0;i<nb_meta_data_maps;i++) { |
2447 |
AVFormatContext *files[2];
|
2448 |
AVMetadata **meta[2];
|
2449 |
int j;
|
2450 |
|
2451 |
#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
|
2452 |
if ((index) < 0 || (index) >= (nb_elems)) {\ |
2453 |
snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\ |
2454 |
(desc), (index));\ |
2455 |
ret = AVERROR(EINVAL);\ |
2456 |
goto dump_format;\
|
2457 |
} |
2458 |
|
2459 |
int out_file_index = meta_data_maps[i][0].file; |
2460 |
int in_file_index = meta_data_maps[i][1].file; |
2461 |
if (in_file_index < 0 || out_file_index < 0) |
2462 |
continue;
|
2463 |
METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
|
2464 |
METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
|
2465 |
|
2466 |
files[0] = output_files[out_file_index];
|
2467 |
files[1] = input_files[in_file_index];
|
2468 |
|
2469 |
for (j = 0; j < 2; j++) { |
2470 |
AVMetaDataMap *map = &meta_data_maps[i][j]; |
2471 |
|
2472 |
switch (map->type) {
|
2473 |
case 'g': |
2474 |
meta[j] = &files[j]->metadata; |
2475 |
break;
|
2476 |
case 's': |
2477 |
METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
|
2478 |
meta[j] = &files[j]->streams[map->index]->metadata; |
2479 |
break;
|
2480 |
case 'c': |
2481 |
METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
|
2482 |
meta[j] = &files[j]->chapters[map->index]->metadata; |
2483 |
break;
|
2484 |
case 'p': |
2485 |
METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
|
2486 |
meta[j] = &files[j]->programs[map->index]->metadata; |
2487 |
break;
|
2488 |
} |
2489 |
} |
2490 |
|
2491 |
av_metadata_copy(meta[0], *meta[1], AV_METADATA_DONT_OVERWRITE); |
2492 |
} |
2493 |
|
2494 |
/* copy global metadata by default */
|
2495 |
if (metadata_global_autocopy) {
|
2496 |
|
2497 |
for (i = 0; i < nb_output_files; i++) |
2498 |
av_metadata_copy(&output_files[i]->metadata, input_files[0]->metadata,
|
2499 |
AV_METADATA_DONT_OVERWRITE); |
2500 |
} |
2501 |
|
2502 |
/* copy chapters according to chapter maps */
|
2503 |
for (i = 0; i < nb_chapter_maps; i++) { |
2504 |
int infile = chapter_maps[i].in_file;
|
2505 |
int outfile = chapter_maps[i].out_file;
|
2506 |
|
2507 |
if (infile < 0 || outfile < 0) |
2508 |
continue;
|
2509 |
if (infile >= nb_input_files) {
|
2510 |
snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile); |
2511 |
ret = AVERROR(EINVAL); |
2512 |
goto dump_format;
|
2513 |
} |
2514 |
if (outfile >= nb_output_files) {
|
2515 |
snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile); |
2516 |
ret = AVERROR(EINVAL); |
2517 |
goto dump_format;
|
2518 |
} |
2519 |
copy_chapters(infile, outfile); |
2520 |
} |
2521 |
|
2522 |
/* copy chapters from the first input file that has them*/
|
2523 |
if (!nb_chapter_maps)
|
2524 |
for (i = 0; i < nb_input_files; i++) { |
2525 |
if (!input_files[i]->nb_chapters)
|
2526 |
continue;
|
2527 |
|
2528 |
for (j = 0; j < nb_output_files; j++) |
2529 |
if ((ret = copy_chapters(i, j)) < 0) |
2530 |
goto dump_format;
|
2531 |
break;
|
2532 |
} |
2533 |
|
2534 |
/* open files and write file headers */
|
2535 |
for(i=0;i<nb_output_files;i++) { |
2536 |
os = output_files[i]; |
2537 |
if (av_write_header(os) < 0) { |
2538 |
snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i); |
2539 |
ret = AVERROR(EINVAL); |
2540 |
goto dump_format;
|
2541 |
} |
2542 |
if (strcmp(output_files[i]->oformat->name, "rtp")) { |
2543 |
want_sdp = 0;
|
2544 |
} |
2545 |
} |
2546 |
|
2547 |
dump_format:
|
2548 |
/* dump the file output parameters - cannot be done before in case
|
2549 |
of stream copy */
|
2550 |
for(i=0;i<nb_output_files;i++) { |
2551 |
av_dump_format(output_files[i], i, output_files[i]->filename, 1);
|
2552 |
} |
2553 |
|
2554 |
/* dump the stream mapping */
|
2555 |
if (verbose >= 0) { |
2556 |
fprintf(stderr, "Stream mapping:\n");
|
2557 |
for(i=0;i<nb_ostreams;i++) { |
2558 |
ost = ost_table[i]; |
2559 |
fprintf(stderr, " Stream #%d.%d -> #%d.%d",
|
2560 |
ist_table[ost->source_index]->file_index, |
2561 |
ist_table[ost->source_index]->index, |
2562 |
ost->file_index, |
2563 |
ost->index); |
2564 |
if (ost->sync_ist != ist_table[ost->source_index])
|
2565 |
fprintf(stderr, " [sync #%d.%d]",
|
2566 |
ost->sync_ist->file_index, |
2567 |
ost->sync_ist->index); |
2568 |
fprintf(stderr, "\n");
|
2569 |
} |
2570 |
} |
2571 |
|
2572 |
if (ret) {
|
2573 |
fprintf(stderr, "%s\n", error);
|
2574 |
goto fail;
|
2575 |
} |
2576 |
|
2577 |
if (want_sdp) {
|
2578 |
print_sdp(output_files, nb_output_files); |
2579 |
} |
2580 |
|
2581 |
if (!using_stdin) {
|
2582 |
if(verbose >= 0) |
2583 |
fprintf(stderr, "Press [q] to stop encoding\n");
|
2584 |
avio_set_interrupt_cb(decode_interrupt_cb); |
2585 |
} |
2586 |
term_init(); |
2587 |
|
2588 |
timer_start = av_gettime(); |
2589 |
|
2590 |
for(; received_sigterm == 0;) { |
2591 |
int file_index, ist_index;
|
2592 |
AVPacket pkt; |
2593 |
double ipts_min;
|
2594 |
double opts_min;
|
2595 |
|
2596 |
redo:
|
2597 |
ipts_min= 1e100;
|
2598 |
opts_min= 1e100;
|
2599 |
/* if 'q' pressed, exits */
|
2600 |
if (!using_stdin) {
|
2601 |
if (q_pressed)
|
2602 |
break;
|
2603 |
/* read_key() returns 0 on EOF */
|
2604 |
key = read_key(); |
2605 |
if (key == 'q') |
2606 |
break;
|
2607 |
} |
2608 |
|
2609 |
/* select the stream that we must read now by looking at the
|
2610 |
smallest output pts */
|
2611 |
file_index = -1;
|
2612 |
for(i=0;i<nb_ostreams;i++) { |
2613 |
double ipts, opts;
|
2614 |
ost = ost_table[i]; |
2615 |
os = output_files[ost->file_index]; |
2616 |
ist = ist_table[ost->source_index]; |
2617 |
if(ist->is_past_recording_time || no_packet[ist->file_index])
|
2618 |
continue;
|
2619 |
opts = ost->st->pts.val * av_q2d(ost->st->time_base); |
2620 |
ipts = (double)ist->pts;
|
2621 |
if (!file_table[ist->file_index].eof_reached){
|
2622 |
if(ipts < ipts_min) {
|
2623 |
ipts_min = ipts; |
2624 |
if(input_sync ) file_index = ist->file_index;
|
2625 |
} |
2626 |
if(opts < opts_min) {
|
2627 |
opts_min = opts; |
2628 |
if(!input_sync) file_index = ist->file_index;
|
2629 |
} |
2630 |
} |
2631 |
if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
|
2632 |
file_index= -1;
|
2633 |
break;
|
2634 |
} |
2635 |
} |
2636 |
/* if none, if is finished */
|
2637 |
if (file_index < 0) { |
2638 |
if(no_packet_count){
|
2639 |
no_packet_count=0;
|
2640 |
memset(no_packet, 0, sizeof(no_packet)); |
2641 |
usleep(10000);
|
2642 |
continue;
|
2643 |
} |
2644 |
break;
|
2645 |
} |
2646 |
|
2647 |
/* finish if limit size exhausted */
|
2648 |
if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb)) |
2649 |
break;
|
2650 |
|
2651 |
/* read a frame from it and output it in the fifo */
|
2652 |
is = input_files[file_index]; |
2653 |
ret= av_read_frame(is, &pkt); |
2654 |
if(ret == AVERROR(EAGAIN)){
|
2655 |
no_packet[file_index]=1;
|
2656 |
no_packet_count++; |
2657 |
continue;
|
2658 |
} |
2659 |
if (ret < 0) { |
2660 |
file_table[file_index].eof_reached = 1;
|
2661 |
if (opt_shortest)
|
2662 |
break;
|
2663 |
else
|
2664 |
continue;
|
2665 |
} |
2666 |
|
2667 |
no_packet_count=0;
|
2668 |
memset(no_packet, 0, sizeof(no_packet)); |
2669 |
|
2670 |
if (do_pkt_dump) {
|
2671 |
av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
|
2672 |
is->streams[pkt.stream_index]); |
2673 |
} |
2674 |
/* the following test is needed in case new streams appear
|
2675 |
dynamically in stream : we ignore them */
|
2676 |
if (pkt.stream_index >= file_table[file_index].nb_streams)
|
2677 |
goto discard_packet;
|
2678 |
ist_index = file_table[file_index].ist_index + pkt.stream_index; |
2679 |
ist = ist_table[ist_index]; |
2680 |
if (ist->discard)
|
2681 |
goto discard_packet;
|
2682 |
|
2683 |
if (pkt.dts != AV_NOPTS_VALUE)
|
2684 |
pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base); |
2685 |
if (pkt.pts != AV_NOPTS_VALUE)
|
2686 |
pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base); |
2687 |
|
2688 |
if (pkt.stream_index < nb_input_files_ts_scale[file_index]
|
2689 |
&& input_files_ts_scale[file_index][pkt.stream_index]){ |
2690 |
if(pkt.pts != AV_NOPTS_VALUE)
|
2691 |
pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index]; |
2692 |
if(pkt.dts != AV_NOPTS_VALUE)
|
2693 |
pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index]; |
2694 |
} |
2695 |
|
2696 |
// fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec->codec_type);
|
2697 |
if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
|
2698 |
&& (is->iformat->flags & AVFMT_TS_DISCONT)) { |
2699 |
int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q); |
2700 |
int64_t delta= pkt_dts - ist->next_pts; |
2701 |
if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){ |
2702 |
input_files_ts_offset[ist->file_index]-= delta; |
2703 |
if (verbose > 2) |
2704 |
fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]); |
2705 |
pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); |
2706 |
if(pkt.pts != AV_NOPTS_VALUE)
|
2707 |
pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); |
2708 |
} |
2709 |
} |
2710 |
|
2711 |
/* finish if recording time exhausted */
|
2712 |
if (recording_time != INT64_MAX &&
|
2713 |
av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) { |
2714 |
ist->is_past_recording_time = 1;
|
2715 |
goto discard_packet;
|
2716 |
} |
2717 |
|
2718 |
//fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
|
2719 |
if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) { |
2720 |
|
2721 |
if (verbose >= 0) |
2722 |
fprintf(stderr, "Error while decoding stream #%d.%d\n",
|
2723 |
ist->file_index, ist->index); |
2724 |
if (exit_on_error)
|
2725 |
ffmpeg_exit(1);
|
2726 |
av_free_packet(&pkt); |
2727 |
goto redo;
|
2728 |
} |
2729 |
|
2730 |
discard_packet:
|
2731 |
av_free_packet(&pkt); |
2732 |
|
2733 |
/* dump report by using the output first video and audio streams */
|
2734 |
print_report(output_files, ost_table, nb_ostreams, 0);
|
2735 |
} |
2736 |
|
2737 |
/* at the end of stream, we must flush the decoder buffers */
|
2738 |
for(i=0;i<nb_istreams;i++) { |
2739 |
ist = ist_table[i]; |
2740 |
if (ist->decoding_needed) {
|
2741 |
output_packet(ist, i, ost_table, nb_ostreams, NULL);
|
2742 |
} |
2743 |
} |
2744 |
|
2745 |
term_exit(); |
2746 |
|
2747 |
/* write the trailer if needed and close file */
|
2748 |
for(i=0;i<nb_output_files;i++) { |
2749 |
os = output_files[i]; |
2750 |
av_write_trailer(os); |
2751 |
} |
2752 |
|
2753 |
/* dump report by using the first video and audio streams */
|
2754 |
print_report(output_files, ost_table, nb_ostreams, 1);
|
2755 |
|
2756 |
/* close each encoder */
|
2757 |
for(i=0;i<nb_ostreams;i++) { |
2758 |
ost = ost_table[i]; |
2759 |
if (ost->encoding_needed) {
|
2760 |
av_freep(&ost->st->codec->stats_in); |
2761 |
avcodec_close(ost->st->codec); |
2762 |
} |
2763 |
#if CONFIG_AVFILTER
|
2764 |
avfilter_graph_free(&ost->graph); |
2765 |
#endif
|
2766 |
} |
2767 |
|
2768 |
/* close each decoder */
|
2769 |
for(i=0;i<nb_istreams;i++) { |
2770 |
ist = ist_table[i]; |
2771 |
if (ist->decoding_needed) {
|
2772 |
avcodec_close(ist->st->codec); |
2773 |
} |
2774 |
} |
2775 |
|
2776 |
/* finished ! */
|
2777 |
ret = 0;
|
2778 |
|
2779 |
fail:
|
2780 |
av_freep(&bit_buffer); |
2781 |
av_free(file_table); |
2782 |
|
2783 |
if (ist_table) {
|
2784 |
for(i=0;i<nb_istreams;i++) { |
2785 |
ist = ist_table[i]; |
2786 |
av_free(ist); |
2787 |
} |
2788 |
av_free(ist_table); |
2789 |
} |
2790 |
if (ost_table) {
|
2791 |
for(i=0;i<nb_ostreams;i++) { |
2792 |
ost = ost_table[i]; |
2793 |
if (ost) {
|
2794 |
if (ost->st->stream_copy)
|
2795 |
av_freep(&ost->st->codec->extradata); |
2796 |
if (ost->logfile) {
|
2797 |
fclose(ost->logfile); |
2798 |
ost->logfile = NULL;
|
2799 |
} |
2800 |
av_fifo_free(ost->fifo); /* works even if fifo is not
|
2801 |
initialized but set to zero */
|
2802 |
av_freep(&ost->st->codec->subtitle_header); |
2803 |
av_free(ost->pict_tmp.data[0]);
|
2804 |
av_free(ost->forced_kf_pts); |
2805 |
if (ost->video_resample)
|
2806 |
sws_freeContext(ost->img_resample_ctx); |
2807 |
if (ost->resample)
|
2808 |
audio_resample_close(ost->resample); |
2809 |
if (ost->reformat_ctx)
|
2810 |
av_audio_convert_free(ost->reformat_ctx); |
2811 |
av_free(ost); |
2812 |
} |
2813 |
} |
2814 |
av_free(ost_table); |
2815 |
} |
2816 |
return ret;
|
2817 |
} |
2818 |
|
2819 |
static void opt_format(const char *arg) |
2820 |
{ |
2821 |
last_asked_format = arg; |
2822 |
} |
2823 |
|
2824 |
static void opt_video_rc_override_string(const char *arg) |
2825 |
{ |
2826 |
video_rc_override_string = arg; |
2827 |
} |
2828 |
|
2829 |
static int opt_me_threshold(const char *opt, const char *arg) |
2830 |
{ |
2831 |
me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX); |
2832 |
return 0; |
2833 |
} |
2834 |
|
2835 |
static int opt_verbose(const char *opt, const char *arg) |
2836 |
{ |
2837 |
verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10); |
2838 |
return 0; |
2839 |
} |
2840 |
|
2841 |
static int opt_frame_rate(const char *opt, const char *arg) |
2842 |
{ |
2843 |
if (av_parse_video_rate(&frame_rate, arg) < 0) { |
2844 |
fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
|
2845 |
ffmpeg_exit(1);
|
2846 |
} |
2847 |
return 0; |
2848 |
} |
2849 |
|
2850 |
static int opt_bitrate(const char *opt, const char *arg) |
2851 |
{ |
2852 |
int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO; |
2853 |
|
2854 |
opt_default(opt, arg); |
2855 |
|
2856 |
if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000) |
2857 |
fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
|
2858 |
|
2859 |
return 0; |
2860 |
} |
2861 |
|
2862 |
static int opt_frame_crop(const char *opt, const char *arg) |
2863 |
{ |
2864 |
fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
|
2865 |
return AVERROR(EINVAL);
|
2866 |
} |
2867 |
|
2868 |
static void opt_frame_size(const char *arg) |
2869 |
{ |
2870 |
if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) { |
2871 |
fprintf(stderr, "Incorrect frame size\n");
|
2872 |
ffmpeg_exit(1);
|
2873 |
} |
2874 |
} |
2875 |
|
2876 |
static int opt_pad(const char *opt, const char *arg) { |
2877 |
fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
|
2878 |
return -1; |
2879 |
} |
2880 |
|
2881 |
static void opt_frame_pix_fmt(const char *arg) |
2882 |
{ |
2883 |
if (strcmp(arg, "list")) { |
2884 |
frame_pix_fmt = av_get_pix_fmt(arg); |
2885 |
if (frame_pix_fmt == PIX_FMT_NONE) {
|
2886 |
fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
|
2887 |
ffmpeg_exit(1);
|
2888 |
} |
2889 |
} else {
|
2890 |
show_pix_fmts(); |
2891 |
ffmpeg_exit(0);
|
2892 |
} |
2893 |
} |
2894 |
|
2895 |
static void opt_frame_aspect_ratio(const char *arg) |
2896 |
{ |
2897 |
int x = 0, y = 0; |
2898 |
double ar = 0; |
2899 |
const char *p; |
2900 |
char *end;
|
2901 |
|
2902 |
p = strchr(arg, ':');
|
2903 |
if (p) {
|
2904 |
x = strtol(arg, &end, 10);
|
2905 |
if (end == p)
|
2906 |
y = strtol(end+1, &end, 10); |
2907 |
if (x > 0 && y > 0) |
2908 |
ar = (double)x / (double)y; |
2909 |
} else
|
2910 |
ar = strtod(arg, NULL);
|
2911 |
|
2912 |
if (!ar) {
|
2913 |
fprintf(stderr, "Incorrect aspect ratio specification.\n");
|
2914 |
ffmpeg_exit(1);
|
2915 |
} |
2916 |
frame_aspect_ratio = ar; |
2917 |
} |
2918 |
|
2919 |
static int opt_metadata(const char *opt, const char *arg) |
2920 |
{ |
2921 |
char *mid= strchr(arg, '='); |
2922 |
|
2923 |
if(!mid){
|
2924 |
fprintf(stderr, "Missing =\n");
|
2925 |
ffmpeg_exit(1);
|
2926 |
} |
2927 |
*mid++= 0;
|
2928 |
|
2929 |
av_metadata_set2(&metadata, arg, mid, 0);
|
2930 |
|
2931 |
return 0; |
2932 |
} |
2933 |
|
2934 |
static int opt_qscale(const char *opt, const char *arg) |
2935 |
{ |
2936 |
video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255); |
2937 |
if (video_qscale <= 0 || video_qscale > 255) { |
2938 |
fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
|
2939 |
return AVERROR(EINVAL);
|
2940 |
} |
2941 |
return 0; |
2942 |
} |
2943 |
|
2944 |
static int opt_top_field_first(const char *opt, const char *arg) |
2945 |
{ |
2946 |
top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1); |
2947 |
return 0; |
2948 |
} |
2949 |
|
2950 |
static int opt_thread_count(const char *opt, const char *arg) |
2951 |
{ |
2952 |
thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
|
2953 |
#if !HAVE_THREADS
|
2954 |
if (verbose >= 0) |
2955 |
fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
|
2956 |
#endif
|
2957 |
return 0; |
2958 |
} |
2959 |
|
2960 |
static void opt_audio_sample_fmt(const char *arg) |
2961 |
{ |
2962 |
if (strcmp(arg, "list")) { |
2963 |
audio_sample_fmt = av_get_sample_fmt(arg); |
2964 |
if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
|
2965 |
av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg); |
2966 |
ffmpeg_exit(1);
|
2967 |
} |
2968 |
} else {
|
2969 |
int i;
|
2970 |
char fmt_str[128]; |
2971 |
for (i = -1; i < AV_SAMPLE_FMT_NB; i++) |
2972 |
printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i)); |
2973 |
ffmpeg_exit(0);
|
2974 |
} |
2975 |
} |
2976 |
|
2977 |
static int opt_audio_rate(const char *opt, const char *arg) |
2978 |
{ |
2979 |
audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
|
2980 |
return 0; |
2981 |
} |
2982 |
|
2983 |
static int opt_audio_channels(const char *opt, const char *arg) |
2984 |
{ |
2985 |
audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
|
2986 |
return 0; |
2987 |
} |
2988 |
|
2989 |
static int opt_video_channel(const char *opt, const char *arg) |
2990 |
{ |
2991 |
video_channel = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
|
2992 |
return 0; |
2993 |
} |
2994 |
|
2995 |
static void opt_video_standard(const char *arg) |
2996 |
{ |
2997 |
video_standard = av_strdup(arg); |
2998 |
} |
2999 |
|
3000 |
static void opt_codec(int *pstream_copy, char **pcodec_name, |
3001 |
int codec_type, const char *arg) |
3002 |
{ |
3003 |
av_freep(pcodec_name); |
3004 |
if (!strcmp(arg, "copy")) { |
3005 |
*pstream_copy = 1;
|
3006 |
} else {
|
3007 |
*pcodec_name = av_strdup(arg); |
3008 |
} |
3009 |
} |
3010 |
|
3011 |
static void opt_audio_codec(const char *arg) |
3012 |
{ |
3013 |
opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg); |
3014 |
} |
3015 |
|
3016 |
static void opt_video_codec(const char *arg) |
3017 |
{ |
3018 |
opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg); |
3019 |
} |
3020 |
|
3021 |
static void opt_subtitle_codec(const char *arg) |
3022 |
{ |
3023 |
opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg); |
3024 |
} |
3025 |
|
3026 |
static int opt_codec_tag(const char *opt, const char *arg) |
3027 |
{ |
3028 |
char *tail;
|
3029 |
uint32_t *codec_tag; |
3030 |
|
3031 |
codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
|
3032 |
!strcmp(opt, "vtag") ? &video_codec_tag :
|
3033 |
!strcmp(opt, "stag") ? &subtitle_codec_tag : NULL; |
3034 |
if (!codec_tag)
|
3035 |
return -1; |
3036 |
|
3037 |
*codec_tag = strtol(arg, &tail, 0);
|
3038 |
if (!tail || *tail)
|
3039 |
*codec_tag = AV_RL32(arg); |
3040 |
|
3041 |
return 0; |
3042 |
} |
3043 |
|
3044 |
static void opt_map(const char *arg) |
3045 |
{ |
3046 |
AVStreamMap *m; |
3047 |
char *p;
|
3048 |
|
3049 |
stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1); |
3050 |
m = &stream_maps[nb_stream_maps-1];
|
3051 |
|
3052 |
m->file_index = strtol(arg, &p, 0);
|
3053 |
if (*p)
|
3054 |
p++; |
3055 |
|
3056 |
m->stream_index = strtol(p, &p, 0);
|
3057 |
if (*p) {
|
3058 |
p++; |
3059 |
m->sync_file_index = strtol(p, &p, 0);
|
3060 |
if (*p)
|
3061 |
p++; |
3062 |
m->sync_stream_index = strtol(p, &p, 0);
|
3063 |
} else {
|
3064 |
m->sync_file_index = m->file_index; |
3065 |
m->sync_stream_index = m->stream_index; |
3066 |
} |
3067 |
} |
3068 |
|
3069 |
static void parse_meta_type(char *arg, char *type, int *index, char **endptr) |
3070 |
{ |
3071 |
*endptr = arg; |
3072 |
if (*arg == ',') { |
3073 |
*type = *(++arg); |
3074 |
switch (*arg) {
|
3075 |
case 'g': |
3076 |
break;
|
3077 |
case 's': |
3078 |
case 'c': |
3079 |
case 'p': |
3080 |
*index = strtol(++arg, endptr, 0);
|
3081 |
break;
|
3082 |
default:
|
3083 |
fprintf(stderr, "Invalid metadata type %c.\n", *arg);
|
3084 |
ffmpeg_exit(1);
|
3085 |
} |
3086 |
} else
|
3087 |
*type = 'g';
|
3088 |
} |
3089 |
|
3090 |
static void opt_map_metadata(const char *arg) |
3091 |
{ |
3092 |
AVMetaDataMap *m, *m1; |
3093 |
char *p;
|
3094 |
|
3095 |
meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
|
3096 |
&nb_meta_data_maps, nb_meta_data_maps + 1);
|
3097 |
|
3098 |
m = &meta_data_maps[nb_meta_data_maps - 1][0]; |
3099 |
m->file = strtol(arg, &p, 0);
|
3100 |
parse_meta_type(p, &m->type, &m->index, &p); |
3101 |
if (*p)
|
3102 |
p++; |
3103 |
|
3104 |
m1 = &meta_data_maps[nb_meta_data_maps - 1][1]; |
3105 |
m1->file = strtol(p, &p, 0);
|
3106 |
parse_meta_type(p, &m1->type, &m1->index, &p); |
3107 |
|
3108 |
if (m->type == 'g' || m1->type == 'g') |
3109 |
metadata_global_autocopy = 0;
|
3110 |
if (m->type == 's' || m1->type == 's') |
3111 |
metadata_streams_autocopy = 0;
|
3112 |
if (m->type == 'c' || m1->type == 'c') |
3113 |
metadata_chapters_autocopy = 0;
|
3114 |
} |
3115 |
|
3116 |
static void opt_map_meta_data(const char *arg) |
3117 |
{ |
3118 |
fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
|
3119 |
"Use -map_metadata instead.\n");
|
3120 |
opt_map_metadata(arg); |
3121 |
} |
3122 |
|
3123 |
static void opt_map_chapters(const char *arg) |
3124 |
{ |
3125 |
AVChapterMap *c; |
3126 |
char *p;
|
3127 |
|
3128 |
chapter_maps = grow_array(chapter_maps, sizeof(*chapter_maps), &nb_chapter_maps,
|
3129 |
nb_chapter_maps + 1);
|
3130 |
c = &chapter_maps[nb_chapter_maps - 1];
|
3131 |
c->out_file = strtol(arg, &p, 0);
|
3132 |
if (*p)
|
3133 |
p++; |
3134 |
|
3135 |
c->in_file = strtol(p, &p, 0);
|
3136 |
} |
3137 |
|
3138 |
static void opt_input_ts_scale(const char *arg) |
3139 |
{ |
3140 |
unsigned int stream; |
3141 |
double scale;
|
3142 |
char *p;
|
3143 |
|
3144 |
stream = strtol(arg, &p, 0);
|
3145 |
if (*p)
|
3146 |
p++; |
3147 |
scale= strtod(p, &p); |
3148 |
|
3149 |
if(stream >= MAX_STREAMS)
|
3150 |
ffmpeg_exit(1);
|
3151 |
|
3152 |
input_files_ts_scale[nb_input_files] = grow_array(input_files_ts_scale[nb_input_files], sizeof(*input_files_ts_scale[nb_input_files]), &nb_input_files_ts_scale[nb_input_files], stream + 1); |
3153 |
input_files_ts_scale[nb_input_files][stream]= scale; |
3154 |
} |
3155 |
|
3156 |
static int opt_recording_time(const char *opt, const char *arg) |
3157 |
{ |
3158 |
recording_time = parse_time_or_die(opt, arg, 1);
|
3159 |
return 0; |
3160 |
} |
3161 |
|
3162 |
static int opt_start_time(const char *opt, const char *arg) |
3163 |
{ |
3164 |
start_time = parse_time_or_die(opt, arg, 1);
|
3165 |
return 0; |
3166 |
} |
3167 |
|
3168 |
static int opt_recording_timestamp(const char *opt, const char *arg) |
3169 |
{ |
3170 |
recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000; |
3171 |
return 0; |
3172 |
} |
3173 |
|
3174 |
static int opt_input_ts_offset(const char *opt, const char *arg) |
3175 |
{ |
3176 |
input_ts_offset = parse_time_or_die(opt, arg, 1);
|
3177 |
return 0; |
3178 |
} |
3179 |
|
3180 |
static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict) |
3181 |
{ |
3182 |
const char *codec_string = encoder ? "encoder" : "decoder"; |
3183 |
AVCodec *codec; |
3184 |
|
3185 |
if(!name)
|
3186 |
return CODEC_ID_NONE;
|
3187 |
codec = encoder ? |
3188 |
avcodec_find_encoder_by_name(name) : |
3189 |
avcodec_find_decoder_by_name(name); |
3190 |
if(!codec) {
|
3191 |
fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
|
3192 |
ffmpeg_exit(1);
|
3193 |
} |
3194 |
if(codec->type != type) {
|
3195 |
fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
|
3196 |
ffmpeg_exit(1);
|
3197 |
} |
3198 |
if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
|
3199 |
strict > FF_COMPLIANCE_EXPERIMENTAL) { |
3200 |
fprintf(stderr, "%s '%s' is experimental and might produce bad "
|
3201 |
"results.\nAdd '-strict experimental' if you want to use it.\n",
|
3202 |
codec_string, codec->name); |
3203 |
codec = encoder ? |
3204 |
avcodec_find_encoder(codec->id) : |
3205 |
avcodec_find_decoder(codec->id); |
3206 |
if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
|
3207 |
fprintf(stderr, "Or use the non experimental %s '%s'.\n",
|
3208 |
codec_string, codec->name); |
3209 |
ffmpeg_exit(1);
|
3210 |
} |
3211 |
return codec->id;
|
3212 |
} |
3213 |
|
3214 |
static void opt_input_file(const char *filename) |
3215 |
{ |
3216 |
AVFormatContext *ic; |
3217 |
AVFormatParameters params, *ap = ¶ms; |
3218 |
AVInputFormat *file_iformat = NULL;
|
3219 |
int err, i, ret, rfps, rfps_base;
|
3220 |
int64_t timestamp; |
3221 |
|
3222 |
if (last_asked_format) {
|
3223 |
if (!(file_iformat = av_find_input_format(last_asked_format))) {
|
3224 |
fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
|
3225 |
ffmpeg_exit(1);
|
3226 |
} |
3227 |
last_asked_format = NULL;
|
3228 |
} |
3229 |
|
3230 |
if (!strcmp(filename, "-")) |
3231 |
filename = "pipe:";
|
3232 |
|
3233 |
using_stdin |= !strncmp(filename, "pipe:", 5) || |
3234 |
!strcmp(filename, "/dev/stdin");
|
3235 |
|
3236 |
/* get default parameters from command line */
|
3237 |
ic = avformat_alloc_context(); |
3238 |
if (!ic) {
|
3239 |
print_error(filename, AVERROR(ENOMEM)); |
3240 |
ffmpeg_exit(1);
|
3241 |
} |
3242 |
|
3243 |
memset(ap, 0, sizeof(*ap)); |
3244 |
ap->prealloced_context = 1;
|
3245 |
ap->sample_rate = audio_sample_rate; |
3246 |
ap->channels = audio_channels; |
3247 |
ap->time_base.den = frame_rate.num; |
3248 |
ap->time_base.num = frame_rate.den; |
3249 |
ap->width = frame_width; |
3250 |
ap->height = frame_height; |
3251 |
ap->pix_fmt = frame_pix_fmt; |
3252 |
// ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
|
3253 |
ap->channel = video_channel; |
3254 |
ap->standard = video_standard; |
3255 |
|
3256 |
set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
|
3257 |
|
3258 |
ic->video_codec_id = |
3259 |
find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
|
3260 |
avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance); |
3261 |
ic->audio_codec_id = |
3262 |
find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
|
3263 |
avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance); |
3264 |
ic->subtitle_codec_id= |
3265 |
find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
|
3266 |
avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance); |
3267 |
ic->flags |= AVFMT_FLAG_NONBLOCK; |
3268 |
|
3269 |
/* open the input file with generic libav function */
|
3270 |
err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
|
3271 |
if (err < 0) { |
3272 |
print_error(filename, err); |
3273 |
ffmpeg_exit(1);
|
3274 |
} |
3275 |
if(opt_programid) {
|
3276 |
int i, j;
|
3277 |
int found=0; |
3278 |
for(i=0; i<ic->nb_streams; i++){ |
3279 |
ic->streams[i]->discard= AVDISCARD_ALL; |
3280 |
} |
3281 |
for(i=0; i<ic->nb_programs; i++){ |
3282 |
AVProgram *p= ic->programs[i]; |
3283 |
if(p->id != opt_programid){
|
3284 |
p->discard = AVDISCARD_ALL; |
3285 |
}else{
|
3286 |
found=1;
|
3287 |
for(j=0; j<p->nb_stream_indexes; j++){ |
3288 |
ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT; |
3289 |
} |
3290 |
} |
3291 |
} |
3292 |
if(!found){
|
3293 |
fprintf(stderr, "Specified program id not found\n");
|
3294 |
ffmpeg_exit(1);
|
3295 |
} |
3296 |
opt_programid=0;
|
3297 |
} |
3298 |
|
3299 |
ic->loop_input = loop_input; |
3300 |
|
3301 |
/* If not enough info to get the stream parameters, we decode the
|
3302 |
first frames to get it. (used in mpeg case for example) */
|
3303 |
ret = av_find_stream_info(ic); |
3304 |
if (ret < 0 && verbose >= 0) { |
3305 |
fprintf(stderr, "%s: could not find codec parameters\n", filename);
|
3306 |
av_close_input_file(ic); |
3307 |
ffmpeg_exit(1);
|
3308 |
} |
3309 |
|
3310 |
timestamp = start_time; |
3311 |
/* add the stream start time */
|
3312 |
if (ic->start_time != AV_NOPTS_VALUE)
|
3313 |
timestamp += ic->start_time; |
3314 |
|
3315 |
/* if seeking requested, we execute it */
|
3316 |
if (start_time != 0) { |
3317 |
ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
|
3318 |
if (ret < 0) { |
3319 |
fprintf(stderr, "%s: could not seek to position %0.3f\n",
|
3320 |
filename, (double)timestamp / AV_TIME_BASE);
|
3321 |
} |
3322 |
/* reset seek info */
|
3323 |
start_time = 0;
|
3324 |
} |
3325 |
|
3326 |
/* update the current parameters so that they match the one of the input stream */
|
3327 |
for(i=0;i<ic->nb_streams;i++) { |
3328 |
AVStream *st = ic->streams[i]; |
3329 |
AVCodecContext *dec = st->codec; |
3330 |
dec->thread_count = thread_count; |
3331 |
input_codecs = grow_array(input_codecs, sizeof(*input_codecs), &nb_input_codecs, nb_input_codecs + 1); |
3332 |
switch (dec->codec_type) {
|
3333 |
case AVMEDIA_TYPE_AUDIO:
|
3334 |
input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(audio_codec_name);
|
3335 |
set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM, input_codecs[nb_input_codecs-1]);
|
3336 |
//fprintf(stderr, "\nInput Audio channels: %d", dec->channels);
|
3337 |
channel_layout = dec->channel_layout; |
3338 |
audio_channels = dec->channels; |
3339 |
audio_sample_rate = dec->sample_rate; |
3340 |
audio_sample_fmt = dec->sample_fmt; |
3341 |
if(audio_disable)
|
3342 |
st->discard= AVDISCARD_ALL; |
3343 |
/* Note that av_find_stream_info can add more streams, and we
|
3344 |
* currently have no chance of setting up lowres decoding
|
3345 |
* early enough for them. */
|
3346 |
if (dec->lowres)
|
3347 |
audio_sample_rate >>= dec->lowres; |
3348 |
break;
|
3349 |
case AVMEDIA_TYPE_VIDEO:
|
3350 |
input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(video_codec_name);
|
3351 |
set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM, input_codecs[nb_input_codecs-1]);
|
3352 |
frame_height = dec->height; |
3353 |
frame_width = dec->width; |
3354 |
frame_pix_fmt = dec->pix_fmt; |
3355 |
rfps = ic->streams[i]->r_frame_rate.num; |
3356 |
rfps_base = ic->streams[i]->r_frame_rate.den; |
3357 |
if (dec->lowres) {
|
3358 |
dec->flags |= CODEC_FLAG_EMU_EDGE; |
3359 |
frame_height >>= dec->lowres; |
3360 |
frame_width >>= dec->lowres; |
3361 |
dec->height = frame_height; |
3362 |
dec->width = frame_width; |
3363 |
} |
3364 |
if(me_threshold)
|
3365 |
dec->debug |= FF_DEBUG_MV; |
3366 |
|
3367 |
if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
|
3368 |
|
3369 |
if (verbose >= 0) |
3370 |
fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
|
3371 |
i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
|
3372 |
|
3373 |
(float)rfps / rfps_base, rfps, rfps_base);
|
3374 |
} |
3375 |
/* update the current frame rate to match the stream frame rate */
|
3376 |
frame_rate.num = rfps; |
3377 |
frame_rate.den = rfps_base; |
3378 |
|
3379 |
if(video_disable)
|
3380 |
st->discard= AVDISCARD_ALL; |
3381 |
else if(video_discard) |
3382 |
st->discard= video_discard; |
3383 |
break;
|
3384 |
case AVMEDIA_TYPE_DATA:
|
3385 |
break;
|
3386 |
case AVMEDIA_TYPE_SUBTITLE:
|
3387 |
input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(subtitle_codec_name);
|
3388 |
if(subtitle_disable)
|
3389 |
st->discard = AVDISCARD_ALL; |
3390 |
break;
|
3391 |
case AVMEDIA_TYPE_ATTACHMENT:
|
3392 |
case AVMEDIA_TYPE_UNKNOWN:
|
3393 |
break;
|
3394 |
default:
|
3395 |
abort(); |
3396 |
} |
3397 |
} |
3398 |
|
3399 |
input_files[nb_input_files] = ic; |
3400 |
input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
|
3401 |
/* dump the file content */
|
3402 |
if (verbose >= 0) |
3403 |
av_dump_format(ic, nb_input_files, filename, 0);
|
3404 |
|
3405 |
nb_input_files++; |
3406 |
|
3407 |
video_channel = 0;
|
3408 |
|
3409 |
av_freep(&video_codec_name); |
3410 |
av_freep(&audio_codec_name); |
3411 |
av_freep(&subtitle_codec_name); |
3412 |
} |
3413 |
|
3414 |
static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr, |
3415 |
int *has_subtitle_ptr)
|
3416 |
{ |
3417 |
int has_video, has_audio, has_subtitle, i, j;
|
3418 |
AVFormatContext *ic; |
3419 |
|
3420 |
has_video = 0;
|
3421 |
has_audio = 0;
|
3422 |
has_subtitle = 0;
|
3423 |
for(j=0;j<nb_input_files;j++) { |
3424 |
ic = input_files[j]; |
3425 |
for(i=0;i<ic->nb_streams;i++) { |
3426 |
AVCodecContext *enc = ic->streams[i]->codec; |
3427 |
switch(enc->codec_type) {
|
3428 |
case AVMEDIA_TYPE_AUDIO:
|
3429 |
has_audio = 1;
|
3430 |
break;
|
3431 |
case AVMEDIA_TYPE_VIDEO:
|
3432 |
has_video = 1;
|
3433 |
break;
|
3434 |
case AVMEDIA_TYPE_SUBTITLE:
|
3435 |
has_subtitle = 1;
|
3436 |
break;
|
3437 |
case AVMEDIA_TYPE_DATA:
|
3438 |
case AVMEDIA_TYPE_ATTACHMENT:
|
3439 |
case AVMEDIA_TYPE_UNKNOWN:
|
3440 |
break;
|
3441 |
default:
|
3442 |
abort(); |
3443 |
} |
3444 |
} |
3445 |
} |
3446 |
*has_video_ptr = has_video; |
3447 |
*has_audio_ptr = has_audio; |
3448 |
*has_subtitle_ptr = has_subtitle; |
3449 |
} |
3450 |
|
3451 |
static void new_video_stream(AVFormatContext *oc, int file_idx) |
3452 |
{ |
3453 |
AVStream *st; |
3454 |
AVOutputStream *ost; |
3455 |
AVCodecContext *video_enc; |
3456 |
enum CodecID codec_id = CODEC_ID_NONE;
|
3457 |
AVCodec *codec= NULL;
|
3458 |
|
3459 |
st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
|
3460 |
if (!st) {
|
3461 |
fprintf(stderr, "Could not alloc stream\n");
|
3462 |
ffmpeg_exit(1);
|
3463 |
} |
3464 |
ost = new_output_stream(oc, file_idx); |
3465 |
|
3466 |
output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1); |
3467 |
if(!video_stream_copy){
|
3468 |
if (video_codec_name) {
|
3469 |
codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
|
3470 |
avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance); |
3471 |
codec = avcodec_find_encoder_by_name(video_codec_name); |
3472 |
output_codecs[nb_output_codecs-1] = codec;
|
3473 |
} else {
|
3474 |
codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO); |
3475 |
codec = avcodec_find_encoder(codec_id); |
3476 |
} |
3477 |
ost->frame_aspect_ratio = frame_aspect_ratio; |
3478 |
frame_aspect_ratio = 0;
|
3479 |
#if CONFIG_AVFILTER
|
3480 |
ost->avfilter= vfilters; |
3481 |
vfilters= NULL;
|
3482 |
#endif
|
3483 |
} |
3484 |
|
3485 |
avcodec_get_context_defaults3(st->codec, codec); |
3486 |
ost->bitstream_filters = video_bitstream_filters; |
3487 |
video_bitstream_filters= NULL;
|
3488 |
|
3489 |
st->codec->thread_count= thread_count; |
3490 |
|
3491 |
video_enc = st->codec; |
3492 |
|
3493 |
if(video_codec_tag)
|
3494 |
video_enc->codec_tag= video_codec_tag; |
3495 |
|
3496 |
if( (video_global_header&1) |
3497 |
|| (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
|
3498 |
video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER; |
3499 |
avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER; |
3500 |
} |
3501 |
if(video_global_header&2){ |
3502 |
video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER; |
3503 |
avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER; |
3504 |
} |
3505 |
|
3506 |
if (video_stream_copy) {
|
3507 |
st->stream_copy = 1;
|
3508 |
video_enc->codec_type = AVMEDIA_TYPE_VIDEO; |
3509 |
video_enc->sample_aspect_ratio = |
3510 |
st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
|
3511 |
} else {
|
3512 |
const char *p; |
3513 |
int i;
|
3514 |
AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1}; |
3515 |
|
3516 |
video_enc->codec_id = codec_id; |
3517 |
set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec); |
3518 |
|
3519 |
if (codec && codec->supported_framerates && !force_fps)
|
3520 |
fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)]; |
3521 |
video_enc->time_base.den = fps.num; |
3522 |
video_enc->time_base.num = fps.den; |
3523 |
|
3524 |
video_enc->width = frame_width; |
3525 |
video_enc->height = frame_height; |
3526 |
video_enc->pix_fmt = frame_pix_fmt; |
3527 |
video_enc->bits_per_raw_sample = frame_bits_per_raw_sample; |
3528 |
st->sample_aspect_ratio = video_enc->sample_aspect_ratio; |
3529 |
|
3530 |
choose_pixel_fmt(st, codec); |
3531 |
|
3532 |
if (intra_only)
|
3533 |
video_enc->gop_size = 0;
|
3534 |
if (video_qscale || same_quality) {
|
3535 |
video_enc->flags |= CODEC_FLAG_QSCALE; |
3536 |
video_enc->global_quality= |
3537 |
st->quality = FF_QP2LAMBDA * video_qscale; |
3538 |
} |
3539 |
|
3540 |
if(intra_matrix)
|
3541 |
video_enc->intra_matrix = intra_matrix; |
3542 |
if(inter_matrix)
|
3543 |
video_enc->inter_matrix = inter_matrix; |
3544 |
|
3545 |
p= video_rc_override_string; |
3546 |
for(i=0; p; i++){ |
3547 |
int start, end, q;
|
3548 |
int e=sscanf(p, "%d,%d,%d", &start, &end, &q); |
3549 |
if(e!=3){ |
3550 |
fprintf(stderr, "error parsing rc_override\n");
|
3551 |
ffmpeg_exit(1);
|
3552 |
} |
3553 |
video_enc->rc_override= |
3554 |
av_realloc(video_enc->rc_override, |
3555 |
sizeof(RcOverride)*(i+1)); |
3556 |
video_enc->rc_override[i].start_frame= start; |
3557 |
video_enc->rc_override[i].end_frame = end; |
3558 |
if(q>0){ |
3559 |
video_enc->rc_override[i].qscale= q; |
3560 |
video_enc->rc_override[i].quality_factor= 1.0; |
3561 |
} |
3562 |
else{
|
3563 |
video_enc->rc_override[i].qscale= 0;
|
3564 |
video_enc->rc_override[i].quality_factor= -q/100.0; |
3565 |
} |
3566 |
p= strchr(p, '/');
|
3567 |
if(p) p++;
|
3568 |
} |
3569 |
video_enc->rc_override_count=i; |
3570 |
if (!video_enc->rc_initial_buffer_occupancy)
|
3571 |
video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4; |
3572 |
video_enc->me_threshold= me_threshold; |
3573 |
video_enc->intra_dc_precision= intra_dc_precision - 8;
|
3574 |
|
3575 |
if (do_psnr)
|
3576 |
video_enc->flags|= CODEC_FLAG_PSNR; |
3577 |
|
3578 |
/* two pass mode */
|
3579 |
if (do_pass) {
|
3580 |
if (do_pass == 1) { |
3581 |
video_enc->flags |= CODEC_FLAG_PASS1; |
3582 |
} else {
|
3583 |
video_enc->flags |= CODEC_FLAG_PASS2; |
3584 |
} |
3585 |
} |
3586 |
|
3587 |
if (forced_key_frames)
|
3588 |
parse_forced_key_frames(forced_key_frames, ost, video_enc); |
3589 |
} |
3590 |
if (video_language) {
|
3591 |
av_metadata_set2(&st->metadata, "language", video_language, 0); |
3592 |
av_freep(&video_language); |
3593 |
} |
3594 |
|
3595 |
/* reset some key parameters */
|
3596 |
video_disable = 0;
|
3597 |
av_freep(&video_codec_name); |
3598 |
av_freep(&forced_key_frames); |
3599 |
video_stream_copy = 0;
|
3600 |
frame_pix_fmt = PIX_FMT_NONE; |
3601 |
} |
3602 |
|
3603 |
static void new_audio_stream(AVFormatContext *oc, int file_idx) |
3604 |
{ |
3605 |
AVStream *st; |
3606 |
AVOutputStream *ost; |
3607 |
AVCodec *codec= NULL;
|
3608 |
AVCodecContext *audio_enc; |
3609 |
enum CodecID codec_id = CODEC_ID_NONE;
|
3610 |
|
3611 |
st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
|
3612 |
if (!st) {
|
3613 |
fprintf(stderr, "Could not alloc stream\n");
|
3614 |
ffmpeg_exit(1);
|
3615 |
} |
3616 |
ost = new_output_stream(oc, file_idx); |
3617 |
|
3618 |
output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1); |
3619 |
if(!audio_stream_copy){
|
3620 |
if (audio_codec_name) {
|
3621 |
codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
|
3622 |
avcodec_opts[AVMEDIA_TYPE_AUDIO]->strict_std_compliance); |
3623 |
codec = avcodec_find_encoder_by_name(audio_codec_name); |
3624 |
output_codecs[nb_output_codecs-1] = codec;
|
3625 |
} else {
|
3626 |
codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO); |
3627 |
codec = avcodec_find_encoder(codec_id); |
3628 |
} |
3629 |
} |
3630 |
|
3631 |
avcodec_get_context_defaults3(st->codec, codec); |
3632 |
|
3633 |
ost->bitstream_filters = audio_bitstream_filters; |
3634 |
audio_bitstream_filters= NULL;
|
3635 |
|
3636 |
st->codec->thread_count= thread_count; |
3637 |
|
3638 |
audio_enc = st->codec; |
3639 |
audio_enc->codec_type = AVMEDIA_TYPE_AUDIO; |
3640 |
|
3641 |
if(audio_codec_tag)
|
3642 |
audio_enc->codec_tag= audio_codec_tag; |
3643 |
|
3644 |
if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
|
3645 |
audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER; |
3646 |
avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER; |
3647 |
} |
3648 |
if (audio_stream_copy) {
|
3649 |
st->stream_copy = 1;
|
3650 |
audio_enc->channels = audio_channels; |
3651 |
audio_enc->sample_rate = audio_sample_rate; |
3652 |
} else {
|
3653 |
audio_enc->codec_id = codec_id; |
3654 |
set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec); |
3655 |
|
3656 |
if (audio_qscale > QSCALE_NONE) {
|
3657 |
audio_enc->flags |= CODEC_FLAG_QSCALE; |
3658 |
audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale; |
3659 |
} |
3660 |
audio_enc->channels = audio_channels; |
3661 |
audio_enc->sample_fmt = audio_sample_fmt; |
3662 |
audio_enc->sample_rate = audio_sample_rate; |
3663 |
audio_enc->channel_layout = channel_layout; |
3664 |
if (av_get_channel_layout_nb_channels(channel_layout) != audio_channels)
|
3665 |
audio_enc->channel_layout = 0;
|
3666 |
choose_sample_fmt(st, codec); |
3667 |
choose_sample_rate(st, codec); |
3668 |
} |
3669 |
audio_enc->time_base= (AVRational){1, audio_sample_rate};
|
3670 |
if (audio_language) {
|
3671 |
av_metadata_set2(&st->metadata, "language", audio_language, 0); |
3672 |
av_freep(&audio_language); |
3673 |
} |
3674 |
|
3675 |
/* reset some key parameters */
|
3676 |
audio_disable = 0;
|
3677 |
av_freep(&audio_codec_name); |
3678 |
audio_stream_copy = 0;
|
3679 |
} |
3680 |
|
3681 |
static void new_subtitle_stream(AVFormatContext *oc, int file_idx) |
3682 |
{ |
3683 |
AVStream *st; |
3684 |
AVOutputStream *ost; |
3685 |
AVCodec *codec=NULL;
|
3686 |
AVCodecContext *subtitle_enc; |
3687 |
enum CodecID codec_id = CODEC_ID_NONE;
|
3688 |
|
3689 |
st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
|
3690 |
if (!st) {
|
3691 |
fprintf(stderr, "Could not alloc stream\n");
|
3692 |
ffmpeg_exit(1);
|
3693 |
} |
3694 |
ost = new_output_stream(oc, file_idx); |
3695 |
subtitle_enc = st->codec; |
3696 |
output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1); |
3697 |
if(!subtitle_stream_copy){
|
3698 |
if (subtitle_codec_name) {
|
3699 |
codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
|
3700 |
avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance); |
3701 |
codec= output_codecs[nb_output_codecs-1] = avcodec_find_encoder_by_name(subtitle_codec_name);
|
3702 |
} else {
|
3703 |
codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE); |
3704 |
codec = avcodec_find_encoder(codec_id); |
3705 |
} |
3706 |
} |
3707 |
avcodec_get_context_defaults3(st->codec, codec); |
3708 |
|
3709 |
ost->bitstream_filters = subtitle_bitstream_filters; |
3710 |
subtitle_bitstream_filters= NULL;
|
3711 |
|
3712 |
subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE; |
3713 |
|
3714 |
if(subtitle_codec_tag)
|
3715 |
subtitle_enc->codec_tag= subtitle_codec_tag; |
3716 |
|
3717 |
if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
|
3718 |
subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER; |
3719 |
avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->flags |= CODEC_FLAG_GLOBAL_HEADER; |
3720 |
} |
3721 |
if (subtitle_stream_copy) {
|
3722 |
st->stream_copy = 1;
|
3723 |
} else {
|
3724 |
subtitle_enc->codec_id = codec_id; |
3725 |
set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec); |
3726 |
} |
3727 |
|
3728 |
if (subtitle_language) {
|
3729 |
av_metadata_set2(&st->metadata, "language", subtitle_language, 0); |
3730 |
av_freep(&subtitle_language); |
3731 |
} |
3732 |
|
3733 |
subtitle_disable = 0;
|
3734 |
av_freep(&subtitle_codec_name); |
3735 |
subtitle_stream_copy = 0;
|
3736 |
} |
3737 |
|
3738 |
static int opt_new_stream(const char *opt, const char *arg) |
3739 |
{ |
3740 |
AVFormatContext *oc; |
3741 |
int file_idx = nb_output_files - 1; |
3742 |
if (nb_output_files <= 0) { |
3743 |
fprintf(stderr, "At least one output file must be specified\n");
|
3744 |
ffmpeg_exit(1);
|
3745 |
} |
3746 |
oc = output_files[file_idx]; |
3747 |
|
3748 |
if (!strcmp(opt, "newvideo" )) new_video_stream (oc, file_idx); |
3749 |
else if (!strcmp(opt, "newaudio" )) new_audio_stream (oc, file_idx); |
3750 |
else if (!strcmp(opt, "newsubtitle")) new_subtitle_stream(oc, file_idx); |
3751 |
else av_assert0(0); |
3752 |
return 0; |
3753 |
} |
3754 |
|
3755 |
/* arg format is "output-stream-index:streamid-value". */
|
3756 |
static int opt_streamid(const char *opt, const char *arg) |
3757 |
{ |
3758 |
int idx;
|
3759 |
char *p;
|
3760 |
char idx_str[16]; |
3761 |
|
3762 |
strncpy(idx_str, arg, sizeof(idx_str));
|
3763 |
idx_str[sizeof(idx_str)-1] = '\0'; |
3764 |
p = strchr(idx_str, ':');
|
3765 |
if (!p) {
|
3766 |
fprintf(stderr, |
3767 |
"Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
|
3768 |
arg, opt); |
3769 |
ffmpeg_exit(1);
|
3770 |
} |
3771 |
*p++ = '\0';
|
3772 |
idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1); |
3773 |
streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1); |
3774 |
streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
|
3775 |
return 0; |
3776 |
} |
3777 |
|
3778 |
static void opt_output_file(const char *filename) |
3779 |
{ |
3780 |
AVFormatContext *oc; |
3781 |
int err, use_video, use_audio, use_subtitle;
|
3782 |
int input_has_video, input_has_audio, input_has_subtitle;
|
3783 |
AVFormatParameters params, *ap = ¶ms; |
3784 |
AVOutputFormat *file_oformat; |
3785 |
|
3786 |
if (!strcmp(filename, "-")) |
3787 |
filename = "pipe:";
|
3788 |
|
3789 |
oc = avformat_alloc_context(); |
3790 |
if (!oc) {
|
3791 |
print_error(filename, AVERROR(ENOMEM)); |
3792 |
ffmpeg_exit(1);
|
3793 |
} |
3794 |
|
3795 |
if (last_asked_format) {
|
3796 |
file_oformat = av_guess_format(last_asked_format, NULL, NULL); |
3797 |
if (!file_oformat) {
|
3798 |
fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
|
3799 |
ffmpeg_exit(1);
|
3800 |
} |
3801 |
last_asked_format = NULL;
|
3802 |
} else {
|
3803 |
file_oformat = av_guess_format(NULL, filename, NULL); |
3804 |
if (!file_oformat) {
|
3805 |
fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
|
3806 |
filename); |
3807 |
ffmpeg_exit(1);
|
3808 |
} |
3809 |
} |
3810 |
|
3811 |
oc->oformat = file_oformat; |
3812 |
av_strlcpy(oc->filename, filename, sizeof(oc->filename));
|
3813 |
|
3814 |
if (!strcmp(file_oformat->name, "ffm") && |
3815 |
av_strstart(filename, "http:", NULL)) { |
3816 |
/* special case for files sent to ffserver: we get the stream
|
3817 |
parameters from ffserver */
|
3818 |
int err = read_ffserver_streams(oc, filename);
|
3819 |
if (err < 0) { |
3820 |
print_error(filename, err); |
3821 |
ffmpeg_exit(1);
|
3822 |
} |
3823 |
} else {
|
3824 |
use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name; |
3825 |
use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name; |
3826 |
use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name; |
3827 |
|
3828 |
/* disable if no corresponding type found and at least one
|
3829 |
input file */
|
3830 |
if (nb_input_files > 0) { |
3831 |
check_audio_video_sub_inputs(&input_has_video, &input_has_audio, |
3832 |
&input_has_subtitle); |
3833 |
if (!input_has_video)
|
3834 |
use_video = 0;
|
3835 |
if (!input_has_audio)
|
3836 |
use_audio = 0;
|
3837 |
if (!input_has_subtitle)
|
3838 |
use_subtitle = 0;
|
3839 |
} |
3840 |
|
3841 |
/* manual disable */
|
3842 |
if (audio_disable) use_audio = 0; |
3843 |
if (video_disable) use_video = 0; |
3844 |
if (subtitle_disable) use_subtitle = 0; |
3845 |
|
3846 |
if (use_video) new_video_stream(oc, nb_output_files);
|
3847 |
if (use_audio) new_audio_stream(oc, nb_output_files);
|
3848 |
if (use_subtitle) new_subtitle_stream(oc, nb_output_files);
|
3849 |
|
3850 |
oc->timestamp = recording_timestamp; |
3851 |
|
3852 |
av_metadata_copy(&oc->metadata, metadata, 0);
|
3853 |
av_metadata_free(&metadata); |
3854 |
} |
3855 |
|
3856 |
output_files[nb_output_files++] = oc; |
3857 |
|
3858 |
/* check filename in case of an image number is expected */
|
3859 |
if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
|
3860 |
if (!av_filename_number_test(oc->filename)) {
|
3861 |
print_error(oc->filename, AVERROR_NUMEXPECTED); |
3862 |
ffmpeg_exit(1);
|
3863 |
} |
3864 |
} |
3865 |
|
3866 |
if (!(oc->oformat->flags & AVFMT_NOFILE)) {
|
3867 |
/* test if it already exists to avoid loosing precious files */
|
3868 |
if (!file_overwrite &&
|
3869 |
(strchr(filename, ':') == NULL || |
3870 |
filename[1] == ':' || |
3871 |
av_strstart(filename, "file:", NULL))) { |
3872 |
if (url_exist(filename)) {
|
3873 |
if (!using_stdin) {
|
3874 |
fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
|
3875 |
fflush(stderr); |
3876 |
if (!read_yesno()) {
|
3877 |
fprintf(stderr, "Not overwriting - exiting\n");
|
3878 |
ffmpeg_exit(1);
|
3879 |
} |
3880 |
} |
3881 |
else {
|
3882 |
fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
|
3883 |
ffmpeg_exit(1);
|
3884 |
} |
3885 |
} |
3886 |
} |
3887 |
|
3888 |
/* open the file */
|
3889 |
if ((err = avio_open(&oc->pb, filename, AVIO_WRONLY)) < 0) { |
3890 |
print_error(filename, err); |
3891 |
ffmpeg_exit(1);
|
3892 |
} |
3893 |
} |
3894 |
|
3895 |
memset(ap, 0, sizeof(*ap)); |
3896 |
if (av_set_parameters(oc, ap) < 0) { |
3897 |
fprintf(stderr, "%s: Invalid encoding parameters\n",
|
3898 |
oc->filename); |
3899 |
ffmpeg_exit(1);
|
3900 |
} |
3901 |
|
3902 |
oc->preload= (int)(mux_preload*AV_TIME_BASE);
|
3903 |
oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
|
3904 |
oc->loop_output = loop_output; |
3905 |
|
3906 |
set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM, NULL);
|
3907 |
|
3908 |
av_freep(&forced_key_frames); |
3909 |
} |
3910 |
|
3911 |
/* same option as mencoder */
|
3912 |
static int opt_pass(const char *opt, const char *arg) |
3913 |
{ |
3914 |
do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2); |
3915 |
return 0; |
3916 |
} |
3917 |
|
3918 |
static int64_t getutime(void) |
3919 |
{ |
3920 |
#if HAVE_GETRUSAGE
|
3921 |
struct rusage rusage;
|
3922 |
|
3923 |
getrusage(RUSAGE_SELF, &rusage); |
3924 |
return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec; |
3925 |
#elif HAVE_GETPROCESSTIMES
|
3926 |
HANDLE proc; |
3927 |
FILETIME c, e, k, u; |
3928 |
proc = GetCurrentProcess(); |
3929 |
GetProcessTimes(proc, &c, &e, &k, &u); |
3930 |
return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10; |
3931 |
#else
|
3932 |
return av_gettime();
|
3933 |
#endif
|
3934 |
} |
3935 |
|
3936 |
static int64_t getmaxrss(void) |
3937 |
{ |
3938 |
#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
|
3939 |
struct rusage rusage;
|
3940 |
getrusage(RUSAGE_SELF, &rusage); |
3941 |
return (int64_t)rusage.ru_maxrss * 1024; |
3942 |
#elif HAVE_GETPROCESSMEMORYINFO
|
3943 |
HANDLE proc; |
3944 |
PROCESS_MEMORY_COUNTERS memcounters; |
3945 |
proc = GetCurrentProcess(); |
3946 |
memcounters.cb = sizeof(memcounters);
|
3947 |
GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
|
3948 |
return memcounters.PeakPagefileUsage;
|
3949 |
#else
|
3950 |
return 0; |
3951 |
#endif
|
3952 |
} |
3953 |
|
3954 |
static void parse_matrix_coeffs(uint16_t *dest, const char *str) |
3955 |
{ |
3956 |
int i;
|
3957 |
const char *p = str; |
3958 |
for(i = 0;; i++) { |
3959 |
dest[i] = atoi(p); |
3960 |
if(i == 63) |
3961 |
break;
|
3962 |
p = strchr(p, ',');
|
3963 |
if(!p) {
|
3964 |
fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
|
3965 |
ffmpeg_exit(1);
|
3966 |
} |
3967 |
p++; |
3968 |
} |
3969 |
} |
3970 |
|
3971 |
static void opt_inter_matrix(const char *arg) |
3972 |
{ |
3973 |
inter_matrix = av_mallocz(sizeof(uint16_t) * 64); |
3974 |
parse_matrix_coeffs(inter_matrix, arg); |
3975 |
} |
3976 |
|
3977 |
static void opt_intra_matrix(const char *arg) |
3978 |
{ |
3979 |
intra_matrix = av_mallocz(sizeof(uint16_t) * 64); |
3980 |
parse_matrix_coeffs(intra_matrix, arg); |
3981 |
} |
3982 |
|
3983 |
static void show_usage(void) |
3984 |
{ |
3985 |
printf("Hyper fast Audio and Video encoder\n");
|
3986 |
printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
|
3987 |
printf("\n");
|
3988 |
} |
3989 |
|
3990 |
static void show_help(void) |
3991 |
{ |
3992 |
AVCodec *c; |
3993 |
AVOutputFormat *oformat = NULL;
|
3994 |
|
3995 |
av_log_set_callback(log_callback_help); |
3996 |
show_usage(); |
3997 |
show_help_options(options, "Main options:\n",
|
3998 |
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
|
3999 |
show_help_options(options, "\nAdvanced options:\n",
|
4000 |
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, |
4001 |
OPT_EXPERT); |
4002 |
show_help_options(options, "\nVideo options:\n",
|
4003 |
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, |
4004 |
OPT_VIDEO); |
4005 |
show_help_options(options, "\nAdvanced Video options:\n",
|
4006 |
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, |
4007 |
OPT_VIDEO | OPT_EXPERT); |
4008 |
show_help_options(options, "\nAudio options:\n",
|
4009 |
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, |
4010 |
OPT_AUDIO); |
4011 |
show_help_options(options, "\nAdvanced Audio options:\n",
|
4012 |
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, |
4013 |
OPT_AUDIO | OPT_EXPERT); |
4014 |
show_help_options(options, "\nSubtitle options:\n",
|
4015 |
OPT_SUBTITLE | OPT_GRAB, |
4016 |
OPT_SUBTITLE); |
4017 |
show_help_options(options, "\nAudio/Video grab options:\n",
|
4018 |
OPT_GRAB, |
4019 |
OPT_GRAB); |
4020 |
printf("\n");
|
4021 |
av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0); |
4022 |
printf("\n");
|
4023 |
|
4024 |
/* individual codec options */
|
4025 |
c = NULL;
|
4026 |
while ((c = av_codec_next(c))) {
|
4027 |
if (c->priv_class) {
|
4028 |
av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0); |
4029 |
printf("\n");
|
4030 |
} |
4031 |
} |
4032 |
|
4033 |
av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0); |
4034 |
printf("\n");
|
4035 |
|
4036 |
/* individual muxer options */
|
4037 |
while ((oformat = av_oformat_next(oformat))) {
|
4038 |
if (oformat->priv_class) {
|
4039 |
av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0); |
4040 |
printf("\n");
|
4041 |
} |
4042 |
} |
4043 |
|
4044 |
av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0); |
4045 |
} |
4046 |
|
4047 |
static void opt_target(const char *arg) |
4048 |
{ |
4049 |
enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
|
4050 |
static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"}; |
4051 |
|
4052 |
if(!strncmp(arg, "pal-", 4)) { |
4053 |
norm = PAL; |
4054 |
arg += 4;
|
4055 |
} else if(!strncmp(arg, "ntsc-", 5)) { |
4056 |
norm = NTSC; |
4057 |
arg += 5;
|
4058 |
} else if(!strncmp(arg, "film-", 5)) { |
4059 |
norm = FILM; |
4060 |
arg += 5;
|
4061 |
} else {
|
4062 |
int fr;
|
4063 |
/* Calculate FR via float to avoid int overflow */
|
4064 |
fr = (int)(frame_rate.num * 1000.0 / frame_rate.den); |
4065 |
if(fr == 25000) { |
4066 |
norm = PAL; |
4067 |
} else if((fr == 29970) || (fr == 23976)) { |
4068 |
norm = NTSC; |
4069 |
} else {
|
4070 |
/* Try to determine PAL/NTSC by peeking in the input files */
|
4071 |
if(nb_input_files) {
|
4072 |
int i, j;
|
4073 |
for(j = 0; j < nb_input_files; j++) { |
4074 |
for(i = 0; i < input_files[j]->nb_streams; i++) { |
4075 |
AVCodecContext *c = input_files[j]->streams[i]->codec; |
4076 |
if(c->codec_type != AVMEDIA_TYPE_VIDEO)
|
4077 |
continue;
|
4078 |
fr = c->time_base.den * 1000 / c->time_base.num;
|
4079 |
if(fr == 25000) { |
4080 |
norm = PAL; |
4081 |
break;
|
4082 |
} else if((fr == 29970) || (fr == 23976)) { |
4083 |
norm = NTSC; |
4084 |
break;
|
4085 |
} |
4086 |
} |
4087 |
if(norm != UNKNOWN)
|
4088 |
break;
|
4089 |
} |
4090 |
} |
4091 |
} |
4092 |
if(verbose && norm != UNKNOWN)
|
4093 |
fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC"); |
4094 |
} |
4095 |
|
4096 |
if(norm == UNKNOWN) {
|
4097 |
fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
|
4098 |
fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
|
4099 |
fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
|
4100 |
ffmpeg_exit(1);
|
4101 |
} |
4102 |
|
4103 |
if(!strcmp(arg, "vcd")) { |
4104 |
|
4105 |
opt_video_codec("mpeg1video");
|
4106 |
opt_audio_codec("mp2");
|
4107 |
opt_format("vcd");
|
4108 |
|
4109 |
opt_frame_size(norm == PAL ? "352x288" : "352x240"); |
4110 |
opt_frame_rate(NULL, frame_rates[norm]);
|
4111 |
opt_default("g", norm == PAL ? "15" : "18"); |
4112 |
|
4113 |
opt_default("b", "1150000"); |
4114 |
opt_default("maxrate", "1150000"); |
4115 |
opt_default("minrate", "1150000"); |
4116 |
opt_default("bufsize", "327680"); // 40*1024*8; |
4117 |
|
4118 |
opt_default("ab", "224000"); |
4119 |
audio_sample_rate = 44100;
|
4120 |
audio_channels = 2;
|
4121 |
|
4122 |
opt_default("packetsize", "2324"); |
4123 |
opt_default("muxrate", "1411200"); // 2352 * 75 * 8; |
4124 |
|
4125 |
/* We have to offset the PTS, so that it is consistent with the SCR.
|
4126 |
SCR starts at 36000, but the first two packs contain only padding
|
4127 |
and the first pack from the other stream, respectively, may also have
|
4128 |
been written before.
|
4129 |
So the real data starts at SCR 36000+3*1200. */
|
4130 |
mux_preload= (36000+3*1200) / 90000.0; //0.44 |
4131 |
} else if(!strcmp(arg, "svcd")) { |
4132 |
|
4133 |
opt_video_codec("mpeg2video");
|
4134 |
opt_audio_codec("mp2");
|
4135 |
opt_format("svcd");
|
4136 |
|
4137 |
opt_frame_size(norm == PAL ? "480x576" : "480x480"); |
4138 |
opt_frame_rate(NULL, frame_rates[norm]);
|
4139 |
opt_default("g", norm == PAL ? "15" : "18"); |
4140 |
|
4141 |
opt_default("b", "2040000"); |
4142 |
opt_default("maxrate", "2516000"); |
4143 |
opt_default("minrate", "0"); //1145000; |
4144 |
opt_default("bufsize", "1835008"); //224*1024*8; |
4145 |
opt_default("flags", "+scan_offset"); |
4146 |
|
4147 |
|
4148 |
opt_default("ab", "224000"); |
4149 |
audio_sample_rate = 44100;
|
4150 |
|
4151 |
opt_default("packetsize", "2324"); |
4152 |
|
4153 |
} else if(!strcmp(arg, "dvd")) { |
4154 |
|
4155 |
opt_video_codec("mpeg2video");
|
4156 |
opt_audio_codec("ac3");
|
4157 |
opt_format("dvd");
|
4158 |
|
4159 |
opt_frame_size(norm == PAL ? "720x576" : "720x480"); |
4160 |
opt_frame_rate(NULL, frame_rates[norm]);
|
4161 |
opt_default("g", norm == PAL ? "15" : "18"); |
4162 |
|
4163 |
opt_default("b", "6000000"); |
4164 |
opt_default("maxrate", "9000000"); |
4165 |
opt_default("minrate", "0"); //1500000; |
4166 |
opt_default("bufsize", "1835008"); //224*1024*8; |
4167 |
|
4168 |
opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack. |
4169 |
opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8 |
4170 |
|
4171 |
opt_default("ab", "448000"); |
4172 |
audio_sample_rate = 48000;
|
4173 |
|
4174 |
} else if(!strncmp(arg, "dv", 2)) { |
4175 |
|
4176 |
opt_format("dv");
|
4177 |
|
4178 |
opt_frame_size(norm == PAL ? "720x576" : "720x480"); |
4179 |
opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" : |
4180 |
(norm == PAL ? "yuv420p" : "yuv411p")); |
4181 |
opt_frame_rate(NULL, frame_rates[norm]);
|
4182 |
|
4183 |
audio_sample_rate = 48000;
|
4184 |
audio_channels = 2;
|
4185 |
|
4186 |
} else {
|
4187 |
fprintf(stderr, "Unknown target: %s\n", arg);
|
4188 |
ffmpeg_exit(1);
|
4189 |
} |
4190 |
} |
4191 |
|
4192 |
static void opt_vstats_file (const char *arg) |
4193 |
{ |
4194 |
av_free (vstats_filename); |
4195 |
vstats_filename=av_strdup (arg); |
4196 |
} |
4197 |
|
4198 |
static void opt_vstats (void) |
4199 |
{ |
4200 |
char filename[40]; |
4201 |
time_t today2 = time(NULL);
|
4202 |
struct tm *today = localtime(&today2);
|
4203 |
|
4204 |
snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min, |
4205 |
today->tm_sec); |
4206 |
opt_vstats_file(filename); |
4207 |
} |
4208 |
|
4209 |
static int opt_bsf(const char *opt, const char *arg) |
4210 |
{ |
4211 |
AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
|
4212 |
AVBitStreamFilterContext **bsfp; |
4213 |
|
4214 |
if(!bsfc){
|
4215 |
fprintf(stderr, "Unknown bitstream filter %s\n", arg);
|
4216 |
ffmpeg_exit(1);
|
4217 |
} |
4218 |
|
4219 |
bsfp= *opt == 'v' ? &video_bitstream_filters :
|
4220 |
*opt == 'a' ? &audio_bitstream_filters :
|
4221 |
&subtitle_bitstream_filters; |
4222 |
while(*bsfp)
|
4223 |
bsfp= &(*bsfp)->next; |
4224 |
|
4225 |
*bsfp= bsfc; |
4226 |
|
4227 |
return 0; |
4228 |
} |
4229 |
|
4230 |
static int opt_preset(const char *opt, const char *arg) |
4231 |
{ |
4232 |
FILE *f=NULL;
|
4233 |
char filename[1000], tmp[1000], tmp2[1000], line[1000]; |
4234 |
char *codec_name = *opt == 'v' ? video_codec_name : |
4235 |
*opt == 'a' ? audio_codec_name :
|
4236 |
subtitle_codec_name; |
4237 |
|
4238 |
if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) { |
4239 |
fprintf(stderr, "File for preset '%s' not found\n", arg);
|
4240 |
ffmpeg_exit(1);
|
4241 |
} |
4242 |
|
4243 |
while(!feof(f)){
|
4244 |
int e= fscanf(f, "%999[^\n]\n", line) - 1; |
4245 |
if(line[0] == '#' && !e) |
4246 |
continue;
|
4247 |
e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2; |
4248 |
if(e){
|
4249 |
fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
|
4250 |
ffmpeg_exit(1);
|
4251 |
} |
4252 |
if(!strcmp(tmp, "acodec")){ |
4253 |
opt_audio_codec(tmp2); |
4254 |
}else if(!strcmp(tmp, "vcodec")){ |
4255 |
opt_video_codec(tmp2); |
4256 |
}else if(!strcmp(tmp, "scodec")){ |
4257 |
opt_subtitle_codec(tmp2); |
4258 |
}else if(opt_default(tmp, tmp2) < 0){ |
4259 |
fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
|
4260 |
ffmpeg_exit(1);
|
4261 |
} |
4262 |
} |
4263 |
|
4264 |
fclose(f); |
4265 |
|
4266 |
return 0; |
4267 |
} |
4268 |
|
4269 |
static const OptionDef options[] = { |
4270 |
/* main options */
|
4271 |
#include "cmdutils_common_opts.h" |
4272 |
{ "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" }, |
4273 |
{ "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" }, |
4274 |
{ "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" }, |
4275 |
{ "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" }, |
4276 |
{ "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile", |
4277 |
"outfile[,metadata]:infile[,metadata]" },
|
4278 |
{ "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile", |
4279 |
"outfile[,metadata]:infile[,metadata]" },
|
4280 |
{ "map_chapters", HAS_ARG | OPT_EXPERT, {(void*)opt_map_chapters}, "set chapters mapping", "outfile:infile" }, |
4281 |
{ "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" }, |
4282 |
{ "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, // |
4283 |
{ "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" }, |
4284 |
{ "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" }, |
4285 |
{ "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" }, |
4286 |
{ "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" }, |
4287 |
{ "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" }, |
4288 |
{ "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" }, |
4289 |
{ "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark}, |
4290 |
"add timings for benchmarking" },
|
4291 |
{ "timelimit", OPT_FUNC2 | HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" }, |
4292 |
{ "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump}, |
4293 |
"dump each input packet" },
|
4294 |
{ "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump}, |
4295 |
"when dumping packets, also dump the payload" },
|
4296 |
{ "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" }, |
4297 |
{ "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" }, |
4298 |
{ "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "number of times to loop output in formats that support looping (0 loops forever)", "" }, |
4299 |
{ "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" }, |
4300 |
{ "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" }, |
4301 |
{ "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" }, |
4302 |
{ "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" }, |
4303 |
{ "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" }, |
4304 |
{ "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" }, |
4305 |
{ "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" }, |
4306 |
{ "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" }, |
4307 |
{ "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" }, |
4308 |
{ "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, // |
4309 |
{ "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" }, |
4310 |
{ "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" }, |
4311 |
{ "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" }, |
4312 |
{ "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" }, |
4313 |
|
4314 |
/* video options */
|
4315 |
{ "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" }, |
4316 |
{ "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" }, |
4317 |
{ "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" }, |
4318 |
{ "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" }, |
4319 |
{ "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" }, |
4320 |
{ "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" }, |
4321 |
{ "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format, 'list' as argument shows all the pixel formats supported", "format" }, |
4322 |
{ "bits_per_raw_sample", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&frame_bits_per_raw_sample}, "set the number of bits per raw sample", "number" }, |
4323 |
{ "croptop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" }, |
4324 |
{ "cropbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" }, |
4325 |
{ "cropleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" }, |
4326 |
{ "cropright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" }, |
4327 |
{ "padtop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" }, |
4328 |
{ "padbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" }, |
4329 |
{ "padleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" }, |
4330 |
{ "padright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" }, |
4331 |
{ "padcolor", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" }, |
4332 |
{ "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"}, |
4333 |
{ "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" }, |
4334 |
{ "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" }, |
4335 |
{ "qscale", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" }, |
4336 |
{ "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" }, |
4337 |
{ "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" }, |
4338 |
{ "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" }, |
4339 |
{ "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality}, |
4340 |
"use same quantizer as source (implies VBR)" },
|
4341 |
{ "pass", HAS_ARG | OPT_FUNC2 | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" }, |
4342 |
{ "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" }, |
4343 |
{ "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace}, |
4344 |
"deinterlace pictures" },
|
4345 |
{ "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" }, |
4346 |
{ "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" }, |
4347 |
{ "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" }, |
4348 |
#if CONFIG_AVFILTER
|
4349 |
{ "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" }, |
4350 |
#endif
|
4351 |
{ "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" }, |
4352 |
{ "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" }, |
4353 |
{ "top", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" }, |
4354 |
{ "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" }, |
4355 |
{ "vtag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" }, |
4356 |
{ "newvideo", OPT_VIDEO | OPT_FUNC2, {(void*)opt_new_stream}, "add a new video stream to the current output stream" }, |
4357 |
{ "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" }, |
4358 |
{ "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" }, |
4359 |
{ "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" }, |
4360 |
{ "streamid", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" }, |
4361 |
{ "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" }, |
4362 |
|
4363 |
/* audio options */
|
4364 |
{ "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" }, |
4365 |
{ "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" }, |
4366 |
{ "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", }, |
4367 |
{ "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" }, |
4368 |
{ "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" }, |
4369 |
{ "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" }, |
4370 |
{ "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" }, |
4371 |
{ "atag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" }, |
4372 |
{ "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, // |
4373 |
{ "newaudio", OPT_AUDIO | OPT_FUNC2, {(void*)opt_new_stream}, "add a new audio stream to the current output stream" }, |
4374 |
{ "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" }, |
4375 |
{ "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_sample_fmt}, "set sample format, 'list' as argument shows all the sample formats supported", "format" }, |
4376 |
|
4377 |
/* subtitle options */
|
4378 |
{ "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" }, |
4379 |
{ "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" }, |
4380 |
{ "newsubtitle", OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_new_stream}, "add a new subtitle stream to the current output stream" }, |
4381 |
{ "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" }, |
4382 |
{ "stag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" }, |
4383 |
|
4384 |
/* grab options */
|
4385 |
{ "vc", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" }, |
4386 |
{ "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" }, |
4387 |
{ "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" }, |
4388 |
|
4389 |
/* muxer options */
|
4390 |
{ "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" }, |
4391 |
{ "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" }, |
4392 |
|
4393 |
{ "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" }, |
4394 |
{ "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" }, |
4395 |
{ "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" }, |
4396 |
|
4397 |
{ "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" }, |
4398 |
{ "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" }, |
4399 |
{ "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" }, |
4400 |
{ "fpre", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" }, |
4401 |
|
4402 |
{ "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" }, |
4403 |
{ NULL, },
|
4404 |
}; |
4405 |
|
4406 |
int main(int argc, char **argv) |
4407 |
{ |
4408 |
int64_t ti; |
4409 |
|
4410 |
av_log_set_flags(AV_LOG_SKIP_REPEATED); |
4411 |
|
4412 |
avcodec_register_all(); |
4413 |
#if CONFIG_AVDEVICE
|
4414 |
avdevice_register_all(); |
4415 |
#endif
|
4416 |
#if CONFIG_AVFILTER
|
4417 |
avfilter_register_all(); |
4418 |
#endif
|
4419 |
av_register_all(); |
4420 |
|
4421 |
#if HAVE_ISATTY
|
4422 |
if(isatty(STDIN_FILENO))
|
4423 |
avio_set_interrupt_cb(decode_interrupt_cb); |
4424 |
#endif
|
4425 |
|
4426 |
init_opts(); |
4427 |
|
4428 |
show_banner(); |
4429 |
|
4430 |
/* parse options */
|
4431 |
parse_options(argc, argv, options, opt_output_file); |
4432 |
|
4433 |
if(nb_output_files <= 0 && nb_input_files == 0) { |
4434 |
show_usage(); |
4435 |
fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
|
4436 |
ffmpeg_exit(1);
|
4437 |
} |
4438 |
|
4439 |
/* file converter / grab */
|
4440 |
if (nb_output_files <= 0) { |
4441 |
fprintf(stderr, "At least one output file must be specified\n");
|
4442 |
ffmpeg_exit(1);
|
4443 |
} |
4444 |
|
4445 |
if (nb_input_files == 0) { |
4446 |
fprintf(stderr, "At least one input file must be specified\n");
|
4447 |
ffmpeg_exit(1);
|
4448 |
} |
4449 |
|
4450 |
ti = getutime(); |
4451 |
if (transcode(output_files, nb_output_files, input_files, nb_input_files,
|
4452 |
stream_maps, nb_stream_maps) < 0)
|
4453 |
ffmpeg_exit(1);
|
4454 |
ti = getutime() - ti; |
4455 |
if (do_benchmark) {
|
4456 |
int maxrss = getmaxrss() / 1024; |
4457 |
printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss); |
4458 |
} |
4459 |
|
4460 |
return ffmpeg_exit(0); |
4461 |
} |