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1 85f07f22 Fabrice Bellard
/*
2 115329f1 Diego Biurrun
 * FFmpeg main
3 01310af2 Fabrice Bellard
 * Copyright (c) 2000-2003 Fabrice Bellard
4 85f07f22 Fabrice Bellard
 *
5 2912e87a Mans Rullgard
 * This file is part of Libav.
6 b78e7197 Diego Biurrun
 *
7 2912e87a Mans Rullgard
 * Libav is free software; you can redistribute it and/or
8 bf5af568 Fabrice Bellard
 * modify it under the terms of the GNU Lesser General Public
9
 * License as published by the Free Software Foundation; either
10 b78e7197 Diego Biurrun
 * version 2.1 of the License, or (at your option) any later version.
11 85f07f22 Fabrice Bellard
 *
12 2912e87a Mans Rullgard
 * Libav is distributed in the hope that it will be useful,
13 85f07f22 Fabrice Bellard
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 bf5af568 Fabrice Bellard
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15
 * Lesser General Public License for more details.
16 85f07f22 Fabrice Bellard
 *
17 bf5af568 Fabrice Bellard
 * You should have received a copy of the GNU Lesser General Public
18 2912e87a Mans Rullgard
 * License along with Libav; if not, write to the Free Software
19 5509bffa Diego Biurrun
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 85f07f22 Fabrice Bellard
 */
21 364a9607 Diego Biurrun
22 7246177d Aurelien Jacobs
/* needed for usleep() */
23 d0feff2a Diego Biurrun
#define _XOPEN_SOURCE 600
24 7246177d Aurelien Jacobs
25 0f4e8165 Ronald S. Bultje
#include "config.h"
26
#include <ctype.h>
27
#include <string.h>
28
#include <math.h>
29
#include <stdlib.h>
30
#include <errno.h>
31 d86b83f8 Ramiro Polla
#include <signal.h>
32 22f7a060 Michael Niedermayer
#include <limits.h>
33 7246177d Aurelien Jacobs
#include <unistd.h>
34 245976da Diego Biurrun
#include "libavformat/avformat.h"
35
#include "libavdevice/avdevice.h"
36
#include "libswscale/swscale.h"
37
#include "libavcodec/opt.h"
38 ce1ee094 Peter Ross
#include "libavcodec/audioconvert.h"
39 737eb597 Reinhard Tartler
#include "libavutil/audioconvert.h"
40
#include "libavutil/parseutils.h"
41
#include "libavutil/samplefmt.h"
42 2b4abbd6 Stefano Sabatini
#include "libavutil/colorspace.h"
43 245976da Diego Biurrun
#include "libavutil/fifo.h"
44 2839dc97 Stefano Sabatini
#include "libavutil/intreadwrite.h"
45 718c7b18 Stefano Sabatini
#include "libavutil/pixdesc.h"
46 245976da Diego Biurrun
#include "libavutil/avstring.h"
47 335ee1aa Måns Rullgård
#include "libavutil/libm.h"
48 245976da Diego Biurrun
#include "libavformat/os_support.h"
49 daf8e955 Fabrice Bellard
50 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
51
# include "libavfilter/avfilter.h"
52
# include "libavfilter/avfiltergraph.h"
53
# include "libavfilter/vsrc_buffer.h"
54
#endif
55
56 b250f9c6 Aurelien Jacobs
#if HAVE_SYS_RESOURCE_H
57 0a1b29de Dave Yeo
#include <sys/types.h>
58 fc5607f8 Reimar Döffinger
#include <sys/time.h>
59 b091aa44 Ramiro Polla
#include <sys/resource.h>
60 b250f9c6 Aurelien Jacobs
#elif HAVE_GETPROCESSTIMES
61 7495c306 Ramiro Polla
#include <windows.h>
62
#endif
63 fc5607f8 Reimar Döffinger
#if HAVE_GETPROCESSMEMORYINFO
64
#include <windows.h>
65
#include <psapi.h>
66
#endif
67 7495c306 Ramiro Polla
68 b250f9c6 Aurelien Jacobs
#if HAVE_SYS_SELECT_H
69 fb1d2d7b Baptiste Coudurier
#include <sys/select.h>
70
#endif
71
72 b58b9fa3 Dave Yeo
#if HAVE_KBHIT
73 4b54c6d0 Ramiro Polla
#include <conio.h>
74 bdc4796f Fabrice Bellard
#endif
75 bf5af568 Fabrice Bellard
#include <time.h>
76 85f07f22 Fabrice Bellard
77 01310af2 Fabrice Bellard
#include "cmdutils.h"
78
79 b64b4134 Måns Rullgård
#include "libavutil/avassert.h"
80 2b18dcd0 Michael Niedermayer
81 64555bd9 Michael Niedermayer
const char program_name[] = "FFmpeg";
82 ea9c581f Stefano Sabatini
const int program_birth_year = 2000;
83 86074ed1 Stefano Sabatini
84 85f07f22 Fabrice Bellard
/* select an input stream for an output stream */
85
typedef struct AVStreamMap {
86
    int file_index;
87
    int stream_index;
88 b4a3389e Wolfram Gloger
    int sync_file_index;
89
    int sync_stream_index;
90 85f07f22 Fabrice Bellard
} AVStreamMap;
91
92 3f07e8db Michael Niedermayer
/**
93
 * select an input file for an output file
94
 */
95 0a38bafd Patrice Bensoussan
typedef struct AVMetaDataMap {
96 1829e195 Anton Khirnov
    int  file;      //< file index
97
    char type;      //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
98
    int  index;     //< stream/chapter/program number
99 0a38bafd Patrice Bensoussan
} AVMetaDataMap;
100
101 91e96eba Anton Khirnov
typedef struct AVChapterMap {
102
    int in_file;
103
    int out_file;
104
} AVChapterMap;
105
106 580a6c57 Diego Pettenò
static const OptionDef options[];
107 85f07f22 Fabrice Bellard
108 60402344 Jai Menon
#define MAX_FILES 100
109 84fd51e5 Aurelien Jacobs
#if !FF_API_MAX_STREAMS
110
#define MAX_STREAMS 1024    /* arbitrary sanity check value */
111
#endif
112 85f07f22 Fabrice Bellard
113 3ee53dab Anton Khirnov
#define FFM_PACKET_SIZE 4096 //XXX a duplicate of the line in ffm.h
114
115 ef6fc647 Stefano Sabatini
static const char *last_asked_format = NULL;
116 85f07f22 Fabrice Bellard
static AVFormatContext *input_files[MAX_FILES];
117 a6a92a9a Wolfram Gloger
static int64_t input_files_ts_offset[MAX_FILES];
118 2c6958aa Aurelien Jacobs
static double *input_files_ts_scale[MAX_FILES] = {NULL};
119 311e223f Aurelien Jacobs
static AVCodec **input_codecs = NULL;
120 85f07f22 Fabrice Bellard
static int nb_input_files = 0;
121 311e223f Aurelien Jacobs
static int nb_input_codecs = 0;
122 2c6958aa Aurelien Jacobs
static int nb_input_files_ts_scale[MAX_FILES] = {0};
123 85f07f22 Fabrice Bellard
124
static AVFormatContext *output_files[MAX_FILES];
125 0a6d97b3 Aurelien Jacobs
static AVCodec **output_codecs = NULL;
126 85f07f22 Fabrice Bellard
static int nb_output_files = 0;
127 0a6d97b3 Aurelien Jacobs
static int nb_output_codecs = 0;
128 85f07f22 Fabrice Bellard
129 3a8e8824 Aurelien Jacobs
static AVStreamMap *stream_maps = NULL;
130 85f07f22 Fabrice Bellard
static int nb_stream_maps;
131
132 1829e195 Anton Khirnov
/* first item specifies output metadata, second is input */
133
static AVMetaDataMap (*meta_data_maps)[2] = NULL;
134 0a38bafd Patrice Bensoussan
static int nb_meta_data_maps;
135 477b1aea Anton Khirnov
static int metadata_global_autocopy   = 1;
136 d0abe80a Anton Khirnov
static int metadata_streams_autocopy  = 1;
137
static int metadata_chapters_autocopy = 1;
138 0a38bafd Patrice Bensoussan
139 91e96eba Anton Khirnov
static AVChapterMap *chapter_maps = NULL;
140
static int nb_chapter_maps;
141
142 006e8108 Mike Scheutzow
/* indexed by output file stream index */
143 e640f261 Aurelien Jacobs
static int *streamid_map = NULL;
144
static int nb_streamid_map = 0;
145 006e8108 Mike Scheutzow
146 55cf1959 Michael Niedermayer
static int frame_width  = 0;
147
static int frame_height = 0;
148 880e8ba7 Roman Shaposhnik
static float frame_aspect_ratio = 0;
149 644a9262 Michael Niedermayer
static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
150 5d6e4c16 Stefano Sabatini
static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
151 cf7fc795 Fabrice Bellard
static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
152 89129c6b Diego Biurrun
static AVRational frame_rate;
153 158c7f05 Michael Niedermayer
static float video_qscale = 0;
154 84f608f4 Vidar Madsen
static uint16_t *intra_matrix = NULL;
155
static uint16_t *inter_matrix = NULL;
156 464a631c Morten Hustveit
static const char *video_rc_override_string=NULL;
157 85f07f22 Fabrice Bellard
static int video_disable = 0;
158 f3356e9c Michael Niedermayer
static int video_discard = 0;
159 4a897224 Nicolas George
static char *video_codec_name = NULL;
160 83a36b2e Stefano Sabatini
static unsigned int video_codec_tag = 0;
161 0fc2c0f6 Matthieu Crapet
static char *video_language = NULL;
162 85f07f22 Fabrice Bellard
static int same_quality = 0;
163 cfcf0ffd Fabrice Bellard
static int do_deinterlace = 0;
164 bb198e19 Michael Niedermayer
static int top_field_first = -1;
165 f4f3223f Michael Niedermayer
static int me_threshold = 0;
166 1a11cbcc Michael Niedermayer
static int intra_dc_precision = 8;
167 5894e1bb Víctor Paesa
static int loop_input = 0;
168 8108551a Todd Kirby
static int loop_output = AVFMT_NOOUTPUTLOOP;
169 0888fd22 Michael Niedermayer
static int qp_hist = 0;
170 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
171
static char *vfilters = NULL;
172 a6d1bd05 Diego Elio Pettenò
static AVFilterGraph *graph = NULL;
173 46847a33 Michael Niedermayer
#endif
174 85f07f22 Fabrice Bellard
175
static int intra_only = 0;
176
static int audio_sample_rate = 44100;
177 13367a46 Benjamin Larsson
static int64_t channel_layout = 0;
178 c57c770d Justin Ruggles
#define QSCALE_NONE -99999
179
static float audio_qscale = QSCALE_NONE;
180 85f07f22 Fabrice Bellard
static int audio_disable = 0;
181
static int audio_channels = 1;
182 4a897224 Nicolas George
static char  *audio_codec_name = NULL;
183 83a36b2e Stefano Sabatini
static unsigned int audio_codec_tag = 0;
184 cf7fc795 Fabrice Bellard
static char *audio_language = NULL;
185
186 11bf3847 Aurelien Jacobs
static int subtitle_disable = 0;
187 4a897224 Nicolas George
static char *subtitle_codec_name = NULL;
188 cf7fc795 Fabrice Bellard
static char *subtitle_language = NULL;
189 83a36b2e Stefano Sabatini
static unsigned int subtitle_codec_tag = 0;
190 85f07f22 Fabrice Bellard
191 17c88cb0 Michael Niedermayer
static float mux_preload= 0.5;
192
static float mux_max_delay= 0.7;
193 2db3c638 Michael Niedermayer
194 fc7ad2af Stefano Sabatini
static int64_t recording_time = INT64_MAX;
195 8831db5c Michael Niedermayer
static int64_t start_time = 0;
196 25d34458 Stefano Sabatini
static int64_t recording_timestamp = 0;
197 a6a92a9a Wolfram Gloger
static int64_t input_ts_offset = 0;
198 85f07f22 Fabrice Bellard
static int file_overwrite = 0;
199 4bf65e2a Stefano Sabatini
static AVMetadata *metadata;
200 5727b222 Fabrice Bellard
static int do_benchmark = 0;
201 a0663ba4 Fabrice Bellard
static int do_hex_dump = 0;
202 254abc2e Fabrice Bellard
static int do_pkt_dump = 0;
203 43f1708f Juanjo
static int do_psnr = 0;
204 5abdb4b1 Fabrice Bellard
static int do_pass = 0;
205 ad16627f Stefano Sabatini
static char *pass_logfilename_prefix = NULL;
206 1629626f Fabrice Bellard
static int audio_stream_copy = 0;
207
static int video_stream_copy = 0;
208 cf7fc795 Fabrice Bellard
static int subtitle_stream_copy = 0;
209 8858816d Michael Niedermayer
static int video_sync_method= -1;
210 986ebcdb Michael Niedermayer
static int audio_sync_method= 0;
211 d4d226a8 Michael Niedermayer
static float audio_drift_threshold= 0.1;
212 72bd8100 Michael Niedermayer
static int copy_ts= 0;
213 0f27e6b4 Baptiste Coudurier
static int copy_tb;
214 76bdac6d Stefano Sabatini
static int opt_shortest = 0;
215 90ad92b3 Michael Niedermayer
static int video_global_header = 0;
216 b60d1379 Stefano Sabatini
static char *vstats_filename;
217 032aa7df Stefano Sabatini
static FILE *vstats_file;
218 50e143c4 Nico Sabbi
static int opt_programid = 0;
219 50e3477f Wolfram Gloger
static int copy_initial_nonkeyframes = 0;
220 5abdb4b1 Fabrice Bellard
221 bdfcbbed Max Krasnyansky
static int rate_emu = 0;
222
223 a5df11ab Fabrice Bellard
static int  video_channel = 0;
224 df0cecdd Luca Abeni
static char *video_standard;
225 79a7c268 Fabrice Bellard
226 a9aa3467 Michael Niedermayer
static int audio_volume = 256;
227 8aa3ee32 Max Krasnyansky
228 f2abc559 Baptiste Coudurier
static int exit_on_error = 0;
229 d9a916e2 Charles Yates
static int using_stdin = 0;
230 f068206e Bill Eldridge
static int verbose = 1;
231 9c3d33d6 Michael Niedermayer
static int thread_count= 1;
232 b51469a0 Leon van Stuivenberg
static int q_pressed = 0;
233 1008ceb3 Michael Niedermayer
static int64_t video_size = 0;
234
static int64_t audio_size = 0;
235
static int64_t extra_size = 0;
236 a6a92a9a Wolfram Gloger
static int nb_frames_dup = 0;
237
static int nb_frames_drop = 0;
238 6e454c38 Luca Abeni
static int input_sync;
239 76bdac6d Stefano Sabatini
static uint64_t limit_filesize = 0;
240 d2845b75 Stefano Sabatini
static int force_fps = 0;
241 4ad08021 Nicolas George
static char *forced_key_frames = NULL;
242 d9a916e2 Charles Yates
243 a8482aab Michael Niedermayer
static float dts_delta_threshold = 10;
244 5b6d5596 Michael Niedermayer
245 e60da588 Michael Niedermayer
static unsigned int sws_flags = SWS_BICUBIC;
246 18a54b04 Luca Abeni
247 29cc1c23 Benoit Fouet
static int64_t timer_start;
248 8bbf6db9 Michael Niedermayer
249 3321cb3f Baptiste Coudurier
static uint8_t *audio_buf;
250
static uint8_t *audio_out;
251 a6d1bd05 Diego Elio Pettenò
static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
252 3321cb3f Baptiste Coudurier
253
static short *samples;
254
255 748c2fca Michael Niedermayer
static AVBitStreamFilterContext *video_bitstream_filters=NULL;
256
static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
257 e1cc8339 Reimar Döffinger
static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
258 5b6d5596 Michael Niedermayer
259 ad16627f Stefano Sabatini
#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
260 85f07f22 Fabrice Bellard
261 b4a3389e Wolfram Gloger
struct AVInputStream;
262
263 85f07f22 Fabrice Bellard
typedef struct AVOutputStream {
264
    int file_index;          /* file index */
265
    int index;               /* stream index in the output file */
266
    int source_index;        /* AVInputStream index */
267
    AVStream *st;            /* stream in the output file */
268 ec5517d5 Fabrice Bellard
    int encoding_needed;     /* true if encoding needed for this stream */
269
    int frame_number;
270
    /* input pts and corresponding output pts
271
       for A/V sync */
272 b4a3389e Wolfram Gloger
    //double sync_ipts;        /* dts from the AVPacket of the demuxer in second units */
273
    struct AVInputStream *sync_ist; /* input stream to sync against */
274 e928649b Michael Niedermayer
    int64_t sync_opts;       /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
275 0b6d358a Nicolas George
    AVBitStreamFilterContext *bitstream_filters;
276 85f07f22 Fabrice Bellard
    /* video only */
277 07d0cdfc Luca Abeni
    int video_resample;
278 a4d36c11 Michael Niedermayer
    AVFrame pict_tmp;      /* temporary image for resampling */
279 18a54b04 Luca Abeni
    struct SwsContext *img_resample_ctx; /* for image resampling */
280
    int resample_height;
281 352666c1 Eric Buehl
    int resample_width;
282 01a3c821 Jason Garrett-Glaser
    int resample_pix_fmt;
283 34b10a57 Dieter
284 352666c1 Eric Buehl
    /* full frame size of first frame */
285
    int original_height;
286
    int original_width;
287
288 4ad08021 Nicolas George
    /* forced key frames */
289
    int64_t *forced_kf_pts;
290
    int forced_kf_count;
291
    int forced_kf_index;
292
293 85f07f22 Fabrice Bellard
    /* audio only */
294
    int audio_resample;
295
    ReSampleContext *resample; /* for audio resampling */
296 8afab686 Stefano Sabatini
    int resample_sample_fmt;
297
    int resample_channels;
298
    int resample_sample_rate;
299 a79db0f7 Peter Ross
    int reformat_pair;
300
    AVAudioConvert *reformat_ctx;
301 41dd680d Michael Niedermayer
    AVFifoBuffer *fifo;     /* for compression: one audio fifo per codec */
302 5abdb4b1 Fabrice Bellard
    FILE *logfile;
303 85f07f22 Fabrice Bellard
} AVOutputStream;
304
305 9fdf4b58 Nicolas George
static AVOutputStream **output_streams_for_file[MAX_FILES] = { NULL };
306
static int nb_output_streams_for_file[MAX_FILES] = { 0 };
307
308 85f07f22 Fabrice Bellard
typedef struct AVInputStream {
309
    int file_index;
310
    int index;
311
    AVStream *st;
312
    int discard;             /* true if stream data should be discarded */
313
    int decoding_needed;     /* true if the packets must be decoded in 'raw_fifo' */
314 0c1a9eda Zdenek Kabelac
    int64_t sample_index;      /* current sample */
315 bdfcbbed Max Krasnyansky
316
    int64_t       start;     /* time when read started */
317 254abc2e Fabrice Bellard
    int64_t       next_pts;  /* synthetic pts for cases where pkt.pts
318
                                is not defined */
319 e7d0374f Roman Shaposhnik
    int64_t       pts;       /* current pts */
320 0ff4f0c0 Alexander Strange
    PtsCorrectionContext pts_ctx;
321 ff4905a5 Michael Niedermayer
    int is_start;            /* is 1 at the start and after a discontinuity */
322 3ff0daf0 Michael Niedermayer
    int showed_multi_packet_warning;
323 55a7e946 Wolfram Gloger
    int is_past_recording_time;
324 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
325 dfd57757 Stefano Sabatini
    AVFilterContext *output_video_filter;
326 46847a33 Michael Niedermayer
    AVFilterContext *input_video_filter;
327
    AVFrame *filter_frame;
328
    int has_filter_frame;
329 ecc8dada S.N. Hemanth Meenakshisundaram
    AVFilterBufferRef *picref;
330 46847a33 Michael Niedermayer
#endif
331 85f07f22 Fabrice Bellard
} AVInputStream;
332
333
typedef struct AVInputFile {
334
    int eof_reached;      /* true if eof reached */
335
    int ist_index;        /* index of first stream in ist_table */
336
    int buffer_size;      /* current total buffer size */
337 79fdaa4c Fabrice Bellard
    int nb_streams;       /* nb streams we are aware of */
338 85f07f22 Fabrice Bellard
} AVInputFile;
339
340 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
341
342
static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
343
{
344 a9f3cb93 Baptiste Coudurier
    AVFilterContext *last_filter, *filter;
345 46847a33 Michael Niedermayer
    /** filter graph containing all filters including input & output */
346
    AVCodecContext *codec = ost->st->codec;
347
    AVCodecContext *icodec = ist->st->codec;
348 f7ead94c Stefano Sabatini
    FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
349 46847a33 Michael Niedermayer
    char args[255];
350 4ddf0d29 Stefano Sabatini
    int ret;
351 46847a33 Michael Niedermayer
352 e15aeea6 Stefano Sabatini
    graph = avfilter_graph_alloc();
353 46847a33 Michael Niedermayer
354 94498ec9 Stefano Sabatini
    snprintf(args, 255, "%d:%d:%d:%d:%d", ist->st->codec->width,
355 da1b9b88 Stefano Sabatini
             ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE);
356 037be76e Stefano Sabatini
    ret = avfilter_graph_create_filter(&ist->input_video_filter, avfilter_get_by_name("buffer"),
357
                                       "src", args, NULL, graph);
358
    if (ret < 0)
359 4ddf0d29 Stefano Sabatini
        return ret;
360 037be76e Stefano Sabatini
    ret = avfilter_graph_create_filter(&ist->output_video_filter, &ffsink,
361
                                       "out", NULL, &ffsink_ctx, graph);
362
    if (ret < 0)
363 4ddf0d29 Stefano Sabatini
        return ret;
364 a9f3cb93 Baptiste Coudurier
    last_filter = ist->input_video_filter;
365 46847a33 Michael Niedermayer
366 5879ea6d Stefano Sabatini
    if (codec->width  != icodec->width || codec->height != icodec->height) {
367 6e82e7fa Baptiste Coudurier
        snprintf(args, 255, "%d:%d:flags=0x%X",
368 0c22311b Michael Niedermayer
                 codec->width,
369
                 codec->height,
370 46847a33 Michael Niedermayer
                 (int)av_get_int(sws_opts, "sws_flags", NULL));
371 037be76e Stefano Sabatini
        if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
372
                                                NULL, args, NULL, graph)) < 0)
373 4ddf0d29 Stefano Sabatini
            return ret;
374
        if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
375
            return ret;
376 a9f3cb93 Baptiste Coudurier
        last_filter = filter;
377 46847a33 Michael Niedermayer
    }
378
379 f96363df Baptiste Coudurier
    snprintf(args, sizeof(args), "flags=0x%X", (int)av_get_int(sws_opts, "sws_flags", NULL));
380
    graph->scale_sws_opts = av_strdup(args);
381
382 79b90b25 Baptiste Coudurier
    if (vfilters) {
383 46847a33 Michael Niedermayer
        AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
384
        AVFilterInOut *inputs  = av_malloc(sizeof(AVFilterInOut));
385
386
        outputs->name    = av_strdup("in");
387 7313132b Stefano Sabatini
        outputs->filter_ctx = last_filter;
388 46847a33 Michael Niedermayer
        outputs->pad_idx = 0;
389
        outputs->next    = NULL;
390
391
        inputs->name    = av_strdup("out");
392 7313132b Stefano Sabatini
        inputs->filter_ctx = ist->output_video_filter;
393 46847a33 Michael Niedermayer
        inputs->pad_idx = 0;
394
        inputs->next    = NULL;
395
396 4ddf0d29 Stefano Sabatini
        if ((ret = avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL)) < 0)
397
            return ret;
398 46847a33 Michael Niedermayer
        av_freep(&vfilters);
399
    } else {
400 dfd57757 Stefano Sabatini
        if ((ret = avfilter_link(last_filter, 0, ist->output_video_filter, 0)) < 0)
401 4ddf0d29 Stefano Sabatini
            return ret;
402 46847a33 Michael Niedermayer
    }
403
404 2a24df93 Stefano Sabatini
    if ((ret = avfilter_graph_config(graph, NULL)) < 0)
405 4ddf0d29 Stefano Sabatini
        return ret;
406 46847a33 Michael Niedermayer
407 dfd57757 Stefano Sabatini
    codec->width  = ist->output_video_filter->inputs[0]->w;
408
    codec->height = ist->output_video_filter->inputs[0]->h;
409 46847a33 Michael Niedermayer
410
    return 0;
411
}
412
#endif /* CONFIG_AVFILTER */
413
414 85f07f22 Fabrice Bellard
static void term_exit(void)
415
{
416 6b6bca64 Michael Niedermayer
    av_log(NULL, AV_LOG_QUIET, "");
417 64f6e357 Måns Rullgård
}
418 85f07f22 Fabrice Bellard
419 e9a832e5 Martin Storsjö
static volatile int received_sigterm = 0;
420 9680a722 Roumen Petrov
421
static void
422
sigterm_handler(int sig)
423
{
424
    received_sigterm = sig;
425
    term_exit();
426
}
427
428 85f07f22 Fabrice Bellard
static void term_init(void)
429
{
430 9680a722 Roumen Petrov
    signal(SIGINT , sigterm_handler); /* Interrupt (ANSI).  */
431
    signal(SIGTERM, sigterm_handler); /* Termination (ANSI).  */
432 ffcc6e24 Måns Rullgård
#ifdef SIGXCPU
433
    signal(SIGXCPU, sigterm_handler);
434
#endif
435 85f07f22 Fabrice Bellard
}
436
437
/* read a key without blocking */
438
static int read_key(void)
439
{
440 b58b9fa3 Dave Yeo
#if HAVE_KBHIT
441 4b54c6d0 Ramiro Polla
    if(kbhit())
442
        return(getch());
443 d86b83f8 Ramiro Polla
#endif
444 85f07f22 Fabrice Bellard
    return -1;
445
}
446
447 b51469a0 Leon van Stuivenberg
static int decode_interrupt_cb(void)
448
{
449
    return q_pressed || (q_pressed = read_key() == 'q');
450
}
451
452 639e4ec8 Stefano Sabatini
static int ffmpeg_exit(int ret)
453 e5295c0d Ramiro Polla
{
454
    int i;
455
456
    /* close files */
457
    for(i=0;i<nb_output_files;i++) {
458
        AVFormatContext *s = output_files[i];
459 8767060c Ramiro Polla
        if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
460 22a3212e Anton Khirnov
            avio_close(s->pb);
461 b22dbb29 Martin Storsjö
        avformat_free_context(s);
462 9fdf4b58 Nicolas George
        av_free(output_streams_for_file[i]);
463 e5295c0d Ramiro Polla
    }
464 2c6958aa Aurelien Jacobs
    for(i=0;i<nb_input_files;i++) {
465 e5295c0d Ramiro Polla
        av_close_input_file(input_files[i]);
466 2c6958aa Aurelien Jacobs
        av_free(input_files_ts_scale[i]);
467
    }
468 e5295c0d Ramiro Polla
469
    av_free(intra_matrix);
470
    av_free(inter_matrix);
471
472
    if (vstats_file)
473
        fclose(vstats_file);
474
    av_free(vstats_filename);
475
476 e640f261 Aurelien Jacobs
    av_free(streamid_map);
477 311e223f Aurelien Jacobs
    av_free(input_codecs);
478 0a6d97b3 Aurelien Jacobs
    av_free(output_codecs);
479 3a8e8824 Aurelien Jacobs
    av_free(stream_maps);
480 63e856df Anton Khirnov
    av_free(meta_data_maps);
481 e5295c0d Ramiro Polla
482
    av_free(video_codec_name);
483
    av_free(audio_codec_name);
484
    av_free(subtitle_codec_name);
485
486
    av_free(video_standard);
487
488 a5c33faa Reimar Döffinger
    uninit_opts();
489 3321cb3f Baptiste Coudurier
    av_free(audio_buf);
490
    av_free(audio_out);
491 b8919a30 Michael Niedermayer
    allocated_audio_buf_size= allocated_audio_out_size= 0;
492 3321cb3f Baptiste Coudurier
    av_free(samples);
493 5973490a Baptiste Coudurier
494 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
495
    avfilter_uninit();
496
#endif
497
498 e5295c0d Ramiro Polla
    if (received_sigterm) {
499
        fprintf(stderr,
500
            "Received signal %d: terminating.\n",
501
            (int) received_sigterm);
502
        exit (255);
503
    }
504
505 296df4e7 Ramiro Polla
    exit(ret); /* not all OS-es handle main() return value */
506
    return ret;
507 dba249ab Aurelien Jacobs
}
508
509
/* similar to ff_dynarray_add() and av_fast_realloc() */
510
static void *grow_array(void *array, int elem_size, int *size, int new_size)
511
{
512
    if (new_size >= INT_MAX / elem_size) {
513
        fprintf(stderr, "Array too big.\n");
514
        ffmpeg_exit(1);
515
    }
516
    if (*size < new_size) {
517
        uint8_t *tmp = av_realloc(array, new_size*elem_size);
518
        if (!tmp) {
519
            fprintf(stderr, "Could not alloc buffer.\n");
520
            ffmpeg_exit(1);
521
        }
522
        memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
523
        *size = new_size;
524
        return tmp;
525
    }
526
    return array;
527 e5295c0d Ramiro Polla
}
528
529 aa1de0d9 Ronald S. Bultje
static void choose_sample_fmt(AVStream *st, AVCodec *codec)
530
{
531
    if(codec && codec->sample_fmts){
532 5d6e4c16 Stefano Sabatini
        const enum AVSampleFormat *p= codec->sample_fmts;
533 aa1de0d9 Ronald S. Bultje
        for(; *p!=-1; p++){
534
            if(*p == st->codec->sample_fmt)
535
                break;
536
        }
537 fa34a362 Stefano Sabatini
        if (*p == -1) {
538
            av_log(NULL, AV_LOG_WARNING,
539
                   "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
540
                   av_get_sample_fmt_name(st->codec->sample_fmt),
541
                   codec->name,
542
                   av_get_sample_fmt_name(codec->sample_fmts[0]));
543 aa1de0d9 Ronald S. Bultje
            st->codec->sample_fmt = codec->sample_fmts[0];
544 fa34a362 Stefano Sabatini
        }
545 aa1de0d9 Ronald S. Bultje
    }
546
}
547
548 10d0f5e0 Michael Niedermayer
static void choose_sample_rate(AVStream *st, AVCodec *codec)
549
{
550
    if(codec && codec->supported_samplerates){
551
        const int *p= codec->supported_samplerates;
552 3c5e1b36 Baptiste Coudurier
        int best=0;
553 10d0f5e0 Michael Niedermayer
        int best_dist=INT_MAX;
554
        for(; *p; p++){
555
            int dist= abs(st->codec->sample_rate - *p);
556
            if(dist < best_dist){
557
                best_dist= dist;
558
                best= *p;
559
            }
560
        }
561 ff866063 Michael Niedermayer
        if(best_dist){
562
            av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
563
        }
564 10d0f5e0 Michael Niedermayer
        st->codec->sample_rate= best;
565
    }
566
}
567
568 aa1de0d9 Ronald S. Bultje
static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
569
{
570
    if(codec && codec->pix_fmts){
571
        const enum PixelFormat *p= codec->pix_fmts;
572 b26847b7 Michael Niedermayer
        if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
573
            if(st->codec->codec_id==CODEC_ID_MJPEG){
574
                p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
575
            }else if(st->codec->codec_id==CODEC_ID_LJPEG){
576
                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};
577
            }
578
        }
579 aa1de0d9 Ronald S. Bultje
        for(; *p!=-1; p++){
580
            if(*p == st->codec->pix_fmt)
581
                break;
582
        }
583 b26847b7 Michael Niedermayer
        if(*p == -1)
584 aa1de0d9 Ronald S. Bultje
            st->codec->pix_fmt = codec->pix_fmts[0];
585
    }
586
}
587
588 ec1ca41c Carl Eugen Hoyos
static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
589
{
590
    int idx = oc->nb_streams - 1;
591
    AVOutputStream *ost;
592
593
    output_streams_for_file[file_idx] =
594
        grow_array(output_streams_for_file[file_idx],
595
                   sizeof(*output_streams_for_file[file_idx]),
596
                   &nb_output_streams_for_file[file_idx],
597
                   oc->nb_streams);
598
    ost = output_streams_for_file[file_idx][idx] =
599
        av_mallocz(sizeof(AVOutputStream));
600
    if (!ost) {
601
        fprintf(stderr, "Could not alloc output stream\n");
602
        ffmpeg_exit(1);
603
    }
604
    ost->file_index = file_idx;
605
    ost->index = idx;
606
    return ost;
607
}
608
609 b29f97d1 Zdenek Kabelac
static int read_ffserver_streams(AVFormatContext *s, const char *filename)
610 85f07f22 Fabrice Bellard
{
611 79fdaa4c Fabrice Bellard
    int i, err;
612 85f07f22 Fabrice Bellard
    AVFormatContext *ic;
613 3438d82d Baptiste Coudurier
    int nopts = 0;
614 85f07f22 Fabrice Bellard
615 79fdaa4c Fabrice Bellard
    err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
616
    if (err < 0)
617
        return err;
618 85f07f22 Fabrice Bellard
    /* copy stream format */
619 b67f3d65 Rocky Cardwell
    s->nb_streams = 0;
620 85f07f22 Fabrice Bellard
    for(i=0;i<ic->nb_streams;i++) {
621
        AVStream *st;
622 d9521cb1 Ronald S. Bultje
        AVCodec *codec;
623 1e491e29 Michael Niedermayer
624 b67f3d65 Rocky Cardwell
        s->nb_streams++;
625
626 f37f8d4c Alex Beregszaszi
        // FIXME: a more elegant solution is needed
627 e1031171 Alex Beregszaszi
        st = av_mallocz(sizeof(AVStream));
628 85f07f22 Fabrice Bellard
        memcpy(st, ic->streams[i], sizeof(AVStream));
629 f37f8d4c Alex Beregszaszi
        st->codec = avcodec_alloc_context();
630 7ef61879 Ramiro Polla
        if (!st->codec) {
631
            print_error(filename, AVERROR(ENOMEM));
632 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
633 7ef61879 Ramiro Polla
        }
634 d9521cb1 Ronald S. Bultje
        avcodec_copy_context(st->codec, ic->streams[i]->codec);
635 85f07f22 Fabrice Bellard
        s->streams[i] = st;
636 837d248d Baptiste Coudurier
637 d9521cb1 Ronald S. Bultje
        codec = avcodec_find_encoder(st->codec->codec_id);
638
        if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
639
            if (audio_stream_copy) {
640
                st->stream_copy = 1;
641
            } else
642
                choose_sample_fmt(st, codec);
643
        } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
644
            if (video_stream_copy) {
645
                st->stream_copy = 1;
646
            } else
647
                choose_pixel_fmt(st, codec);
648
        }
649 837d248d Baptiste Coudurier
650 3438d82d Baptiste Coudurier
        if(st->codec->flags & CODEC_FLAG_BITEXACT)
651
            nopts = 1;
652 b67f3d65 Rocky Cardwell
653
        new_output_stream(s, nb_output_files);
654 85f07f22 Fabrice Bellard
    }
655
656 3438d82d Baptiste Coudurier
    if (!nopts)
657
        s->timestamp = av_gettime();
658
659 85f07f22 Fabrice Bellard
    av_close_input_file(ic);
660
    return 0;
661
}
662
663 b4a3389e Wolfram Gloger
static double
664
get_sync_ipts(const AVOutputStream *ost)
665
{
666
    const AVInputStream *ist = ost->sync_ist;
667 fec401f7 Michael Niedermayer
    return (double)(ist->pts - start_time)/AV_TIME_BASE;
668 b4a3389e Wolfram Gloger
}
669
670 748c2fca Michael Niedermayer
static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
671 0ac07031 Michael Niedermayer
    int ret;
672
673 748c2fca Michael Niedermayer
    while(bsfc){
674
        AVPacket new_pkt= *pkt;
675
        int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
676
                                          &new_pkt.data, &new_pkt.size,
677
                                          pkt->data, pkt->size,
678 cc947f04 Jean-Daniel Dupas
                                          pkt->flags & AV_PKT_FLAG_KEY);
679 7055cdac Benoit Fouet
        if(a>0){
680 748c2fca Michael Niedermayer
            av_free_packet(pkt);
681
            new_pkt.destruct= av_destruct_packet;
682 7055cdac Benoit Fouet
        } else if(a<0){
683 1f8e32cd Diego Biurrun
            fprintf(stderr, "%s failed for stream %d, codec %s",
684
                    bsfc->filter->name, pkt->stream_index,
685
                    avctx->codec ? avctx->codec->name : "copy");
686 7055cdac Benoit Fouet
            print_error("", a);
687 f2abc559 Baptiste Coudurier
            if (exit_on_error)
688 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
689 748c2fca Michael Niedermayer
        }
690
        *pkt= new_pkt;
691
692
        bsfc= bsfc->next;
693
    }
694
695 0ac07031 Michael Niedermayer
    ret= av_interleaved_write_frame(s, pkt);
696
    if(ret < 0){
697
        print_error("av_interleaved_write_frame()", ret);
698 639e4ec8 Stefano Sabatini
        ffmpeg_exit(1);
699 0ac07031 Michael Niedermayer
    }
700 748c2fca Michael Niedermayer
}
701
702 817b23ff Fabrice Bellard
#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
703 85f07f22 Fabrice Bellard
704 115329f1 Diego Biurrun
static void do_audio_out(AVFormatContext *s,
705
                         AVOutputStream *ost,
706 85f07f22 Fabrice Bellard
                         AVInputStream *ist,
707
                         unsigned char *buf, int size)
708
{
709 0c1a9eda Zdenek Kabelac
    uint8_t *buftmp;
710 15bfe412 Michael Niedermayer
    int64_t audio_out_size, audio_buf_size;
711 7a086a85 Michael Niedermayer
    int64_t allocated_for_size= size;
712 d66c7abc Sylvain Corré
713 8afab686 Stefano Sabatini
    int size_out, frame_bytes, ret, resample_changed;
714 01f4895c Michael Niedermayer
    AVCodecContext *enc= ost->st->codec;
715 2886f311 Andreas Öman
    AVCodecContext *dec= ist->st->codec;
716 ba7d6e79 Stefano Sabatini
    int osize= av_get_bits_per_sample_fmt(enc->sample_fmt)/8;
717
    int isize= av_get_bits_per_sample_fmt(dec->sample_fmt)/8;
718 15bfe412 Michael Niedermayer
    const int coded_bps = av_get_bits_per_sample(enc->codec->id);
719
720 7a086a85 Michael Niedermayer
need_realloc:
721
    audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
722 15bfe412 Michael Niedermayer
    audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
723 8b484d0f Vitor Sessak
    audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
724 79c85beb Justin Ruggles
    audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
725 15bfe412 Michael Niedermayer
    audio_buf_size*= osize*enc->channels;
726
727
    audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
728
    if(coded_bps > 8*osize)
729
        audio_out_size= audio_out_size * coded_bps / (8*osize);
730
    audio_out_size += FF_MIN_BUFFER_SIZE;
731
732
    if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
733
        fprintf(stderr, "Buffer sizes too large\n");
734 639e4ec8 Stefano Sabatini
        ffmpeg_exit(1);
735 15bfe412 Michael Niedermayer
    }
736 85f07f22 Fabrice Bellard
737 b8919a30 Michael Niedermayer
    av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
738
    av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
739 e185a2f6 Michael Niedermayer
    if (!audio_buf || !audio_out){
740
        fprintf(stderr, "Out of memory in do_audio_out\n");
741 639e4ec8 Stefano Sabatini
        ffmpeg_exit(1);
742 e185a2f6 Michael Niedermayer
    }
743 d66c7abc Sylvain Corré
744 2886f311 Andreas Öman
    if (enc->channels != dec->channels)
745
        ost->audio_resample = 1;
746
747 8afab686 Stefano Sabatini
    resample_changed = ost->resample_sample_fmt  != dec->sample_fmt ||
748
                       ost->resample_channels    != dec->channels   ||
749
                       ost->resample_sample_rate != dec->sample_rate;
750
751
    if ((ost->audio_resample && !ost->resample) || resample_changed) {
752
        if (resample_changed) {
753
            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",
754
                   ist->file_index, ist->index,
755
                   ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
756
                   dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
757
            ost->resample_sample_fmt  = dec->sample_fmt;
758
            ost->resample_channels    = dec->channels;
759
            ost->resample_sample_rate = dec->sample_rate;
760
            if (ost->resample)
761
                audio_resample_close(ost->resample);
762
        }
763 07b48f8c Stefano Sabatini
        /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
764
        if (audio_sync_method <= 1 &&
765
            ost->resample_sample_fmt  == enc->sample_fmt &&
766 8afab686 Stefano Sabatini
            ost->resample_channels    == enc->channels   &&
767
            ost->resample_sample_rate == enc->sample_rate) {
768
            ost->resample = NULL;
769
            ost->audio_resample = 0;
770
        } else {
771 f6715848 Stefano Sabatini
            if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
772
                fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
773
            ost->resample = av_audio_resample_init(enc->channels,    dec->channels,
774
                                                   enc->sample_rate, dec->sample_rate,
775
                                                   enc->sample_fmt,  dec->sample_fmt,
776
                                                   16, 10, 0, 0.8);
777
            if (!ost->resample) {
778
                fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
779
                        dec->channels, dec->sample_rate,
780
                        enc->channels, enc->sample_rate);
781
                ffmpeg_exit(1);
782
            }
783 8afab686 Stefano Sabatini
        }
784 2886f311 Andreas Öman
    }
785
786 5d6e4c16 Stefano Sabatini
#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
787 d1e3c6fd Baptiste Coudurier
    if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
788 a79db0f7 Peter Ross
        MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
789
        if (ost->reformat_ctx)
790
            av_audio_convert_free(ost->reformat_ctx);
791
        ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
792
                                                   dec->sample_fmt, 1, NULL, 0);
793
        if (!ost->reformat_ctx) {
794
            fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
795 ba7d6e79 Stefano Sabatini
                av_get_sample_fmt_name(dec->sample_fmt),
796
                av_get_sample_fmt_name(enc->sample_fmt));
797 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
798 a79db0f7 Peter Ross
        }
799
        ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
800
    }
801
802 986ebcdb Michael Niedermayer
    if(audio_sync_method){
803 115329f1 Diego Biurrun
        double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
804 37f5a713 Justin Ruggles
                - av_fifo_size(ost->fifo)/(enc->channels * 2);
805
        double idelta= delta*dec->sample_rate / enc->sample_rate;
806 ff19d16b Justin Ruggles
        int byte_delta= ((int)idelta)*2*dec->channels;
807 ff4905a5 Michael Niedermayer
808 986ebcdb Michael Niedermayer
        //FIXME resample delay
809
        if(fabs(delta) > 50){
810 d4d226a8 Michael Niedermayer
            if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
811 ff4905a5 Michael Niedermayer
                if(byte_delta < 0){
812 f41dd5aa Michael Niedermayer
                    byte_delta= FFMAX(byte_delta, -size);
813 ff4905a5 Michael Niedermayer
                    size += byte_delta;
814
                    buf  -= byte_delta;
815
                    if(verbose > 2)
816
                        fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
817
                    if(!size)
818
                        return;
819
                    ist->is_start=0;
820
                }else{
821
                    static uint8_t *input_tmp= NULL;
822
                    input_tmp= av_realloc(input_tmp, byte_delta + size);
823
824 7a086a85 Michael Niedermayer
                    if(byte_delta > allocated_for_size - size){
825
                        allocated_for_size= byte_delta + (int64_t)size;
826
                        goto need_realloc;
827
                    }
828
                    ist->is_start=0;
829 ff4905a5 Michael Niedermayer
830
                    memset(input_tmp, 0, byte_delta);
831
                    memcpy(input_tmp + byte_delta, buf, size);
832
                    buf= input_tmp;
833
                    size += byte_delta;
834
                    if(verbose > 2)
835
                        fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
836
                }
837
            }else if(audio_sync_method>1){
838 f66e4f5f Reimar Döffinger
                int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
839 b926b628 Michael Niedermayer
                av_assert0(ost->audio_resample);
840 ff4905a5 Michael Niedermayer
                if(verbose > 2)
841
                    fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
842 41dd680d Michael Niedermayer
//                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));
843 ff4905a5 Michael Niedermayer
                av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
844
            }
845 115329f1 Diego Biurrun
        }
846 986ebcdb Michael Niedermayer
    }else
847 b4a3389e Wolfram Gloger
        ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
848 37f5a713 Justin Ruggles
                        - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
849 85f07f22 Fabrice Bellard
850
    if (ost->audio_resample) {
851
        buftmp = audio_buf;
852 115329f1 Diego Biurrun
        size_out = audio_resample(ost->resample,
853 85f07f22 Fabrice Bellard
                                  (short *)buftmp, (short *)buf,
854 37f5a713 Justin Ruggles
                                  size / (dec->channels * isize));
855 287ba997 Peter Ross
        size_out = size_out * enc->channels * osize;
856 85f07f22 Fabrice Bellard
    } else {
857
        buftmp = buf;
858
        size_out = size;
859
    }
860
861 d1e3c6fd Baptiste Coudurier
    if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
862 a79db0f7 Peter Ross
        const void *ibuf[6]= {buftmp};
863 80f47250 Michael Niedermayer
        void *obuf[6]= {audio_buf};
864 287ba997 Peter Ross
        int istride[6]= {isize};
865
        int ostride[6]= {osize};
866 a79db0f7 Peter Ross
        int len= size_out/istride[0];
867
        if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
868
            printf("av_audio_convert() failed\n");
869 f2abc559 Baptiste Coudurier
            if (exit_on_error)
870 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
871 a79db0f7 Peter Ross
            return;
872
        }
873 80f47250 Michael Niedermayer
        buftmp = audio_buf;
874 287ba997 Peter Ross
        size_out = len*osize;
875 a79db0f7 Peter Ross
    }
876
877 85f07f22 Fabrice Bellard
    /* now encode as many frames as possible */
878 a0663ba4 Fabrice Bellard
    if (enc->frame_size > 1) {
879 85f07f22 Fabrice Bellard
        /* output resampled raw samples */
880 41dd680d Michael Niedermayer
        if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
881 745b39d5 Stefano Sabatini
            fprintf(stderr, "av_fifo_realloc2() failed\n");
882 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
883 745b39d5 Stefano Sabatini
        }
884 41dd680d Michael Niedermayer
        av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
885 85f07f22 Fabrice Bellard
886 287ba997 Peter Ross
        frame_bytes = enc->frame_size * osize * enc->channels;
887 115329f1 Diego Biurrun
888 41dd680d Michael Niedermayer
        while (av_fifo_size(ost->fifo) >= frame_bytes) {
889 e928649b Michael Niedermayer
            AVPacket pkt;
890
            av_init_packet(&pkt);
891
892 3898eed8 Reimar Döffinger
            av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
893 0871ae1a Michael Niedermayer
894 5bc440e7 Michael Niedermayer
            //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
895
896 115329f1 Diego Biurrun
            ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
897 a0663ba4 Fabrice Bellard
                                       (short *)audio_buf);
898 528271ff Michael Niedermayer
            if (ret < 0) {
899
                fprintf(stderr, "Audio encoding failed\n");
900 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
901 528271ff Michael Niedermayer
            }
902 1008ceb3 Michael Niedermayer
            audio_size += ret;
903 e928649b Michael Niedermayer
            pkt.stream_index= ost->index;
904
            pkt.data= audio_out;
905
            pkt.size= ret;
906 e7902f20 Michael Niedermayer
            if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
907 c0df9d75 Michael Niedermayer
                pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
908 cc947f04 Jean-Daniel Dupas
            pkt.flags |= AV_PKT_FLAG_KEY;
909 0b6d358a Nicolas George
            write_frame(s, &pkt, enc, ost->bitstream_filters);
910 115329f1 Diego Biurrun
911 986ebcdb Michael Niedermayer
            ost->sync_opts += enc->frame_size;
912 85f07f22 Fabrice Bellard
        }
913
    } else {
914 e928649b Michael Niedermayer
        AVPacket pkt;
915
        av_init_packet(&pkt);
916 986ebcdb Michael Niedermayer
917 287ba997 Peter Ross
        ost->sync_opts += size_out / (osize * enc->channels);
918 986ebcdb Michael Niedermayer
919 a0663ba4 Fabrice Bellard
        /* output a pcm frame */
920 287ba997 Peter Ross
        /* determine the size of the coded buffer */
921
        size_out /= osize;
922
        if (coded_bps)
923 060b8592 Michael Niedermayer
            size_out = size_out*coded_bps/8;
924 287ba997 Peter Ross
925 5ee05a62 Michael Niedermayer
        if(size_out > audio_out_size){
926
            fprintf(stderr, "Internal error, buffer size too small\n");
927 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
928 5ee05a62 Michael Niedermayer
        }
929
930 5bc440e7 Michael Niedermayer
        //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
931 115329f1 Diego Biurrun
        ret = avcodec_encode_audio(enc, audio_out, size_out,
932 bb270c08 Diego Biurrun
                                   (short *)buftmp);
933 528271ff Michael Niedermayer
        if (ret < 0) {
934
            fprintf(stderr, "Audio encoding failed\n");
935 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
936 528271ff Michael Niedermayer
        }
937 1008ceb3 Michael Niedermayer
        audio_size += ret;
938 e928649b Michael Niedermayer
        pkt.stream_index= ost->index;
939
        pkt.data= audio_out;
940
        pkt.size= ret;
941 e7902f20 Michael Niedermayer
        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
942 c0df9d75 Michael Niedermayer
            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
943 cc947f04 Jean-Daniel Dupas
        pkt.flags |= AV_PKT_FLAG_KEY;
944 0b6d358a Nicolas George
        write_frame(s, &pkt, enc, ost->bitstream_filters);
945 85f07f22 Fabrice Bellard
    }
946
}
947
948 10d104e4 Philip Gladstone
static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
949
{
950
    AVCodecContext *dec;
951
    AVPicture *picture2;
952
    AVPicture picture_tmp;
953 0c1a9eda Zdenek Kabelac
    uint8_t *buf = 0;
954 10d104e4 Philip Gladstone
955 01f4895c Michael Niedermayer
    dec = ist->st->codec;
956 10d104e4 Philip Gladstone
957
    /* deinterlace : must be done before any resize */
958 fdf11906 Diego Biurrun
    if (do_deinterlace) {
959 10d104e4 Philip Gladstone
        int size;
960
961
        /* create temporary picture */
962
        size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
963
        buf = av_malloc(size);
964
        if (!buf)
965
            return;
966 115329f1 Diego Biurrun
967 10d104e4 Philip Gladstone
        picture2 = &picture_tmp;
968
        avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
969
970 9e1cc598 Ramiro Polla
        if(avpicture_deinterlace(picture2, picture,
971
                                 dec->pix_fmt, dec->width, dec->height) < 0) {
972
            /* if error, do not deinterlace */
973
            fprintf(stderr, "Deinterlacing failed\n");
974
            av_free(buf);
975
            buf = NULL;
976
            picture2 = picture;
977
        }
978 10d104e4 Philip Gladstone
    } else {
979
        picture2 = picture;
980
    }
981
982
    if (picture != picture2)
983
        *picture = *picture2;
984
    *bufp = buf;
985
}
986
987 ec5517d5 Fabrice Bellard
/* we begin to correct av delay at this threshold */
988
#define AV_DELAY_MAX 0.100
989 85f07f22 Fabrice Bellard
990 115329f1 Diego Biurrun
static void do_subtitle_out(AVFormatContext *s,
991
                            AVOutputStream *ost,
992 cf7fc795 Fabrice Bellard
                            AVInputStream *ist,
993
                            AVSubtitle *sub,
994
                            int64_t pts)
995
{
996
    static uint8_t *subtitle_out = NULL;
997 7f4fca03 Reimar Döffinger
    int subtitle_out_max_size = 1024 * 1024;
998 cf7fc795 Fabrice Bellard
    int subtitle_out_size, nb, i;
999
    AVCodecContext *enc;
1000
    AVPacket pkt;
1001
1002
    if (pts == AV_NOPTS_VALUE) {
1003
        fprintf(stderr, "Subtitle packets must have a pts\n");
1004 f2abc559 Baptiste Coudurier
        if (exit_on_error)
1005 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
1006 cf7fc795 Fabrice Bellard
        return;
1007
    }
1008
1009 01f4895c Michael Niedermayer
    enc = ost->st->codec;
1010 cf7fc795 Fabrice Bellard
1011
    if (!subtitle_out) {
1012
        subtitle_out = av_malloc(subtitle_out_max_size);
1013
    }
1014
1015
    /* Note: DVB subtitle need one packet to draw them and one other
1016
       packet to clear them */
1017
    /* XXX: signal it in the codec context ? */
1018
    if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1019
        nb = 2;
1020
    else
1021
        nb = 1;
1022
1023
    for(i = 0; i < nb; i++) {
1024 4bbe788a Reimar Döffinger
        sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1025 8b03c014 Reimar Döffinger
        // start_display_time is required to be 0
1026
        sub->pts              += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1027
        sub->end_display_time -= sub->start_display_time;
1028
        sub->start_display_time = 0;
1029 115329f1 Diego Biurrun
        subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1030 cf7fc795 Fabrice Bellard
                                                    subtitle_out_max_size, sub);
1031 266649a5 Reimar Döffinger
        if (subtitle_out_size < 0) {
1032
            fprintf(stderr, "Subtitle encoding failed\n");
1033 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
1034 266649a5 Reimar Döffinger
        }
1035 115329f1 Diego Biurrun
1036 cf7fc795 Fabrice Bellard
        av_init_packet(&pkt);
1037
        pkt.stream_index = ost->index;
1038
        pkt.data = subtitle_out;
1039
        pkt.size = subtitle_out_size;
1040 8b03c014 Reimar Döffinger
        pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1041 cf7fc795 Fabrice Bellard
        if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1042
            /* XXX: the pts correction is handled here. Maybe handling
1043
               it in the codec would be better */
1044
            if (i == 0)
1045
                pkt.pts += 90 * sub->start_display_time;
1046
            else
1047
                pkt.pts += 90 * sub->end_display_time;
1048
        }
1049 0b6d358a Nicolas George
        write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1050 cf7fc795 Fabrice Bellard
    }
1051
}
1052
1053 8a6cb114 Michael Niedermayer
static int bit_buffer_size= 1024*256;
1054 27537106 Michael Niedermayer
static uint8_t *bit_buffer= NULL;
1055 1ff93ffc Todd Kirby
1056 115329f1 Diego Biurrun
static void do_video_out(AVFormatContext *s,
1057
                         AVOutputStream *ost,
1058 85f07f22 Fabrice Bellard
                         AVInputStream *ist,
1059 7a0f9d7e Fabrice Bellard
                         AVFrame *in_picture,
1060 986ebcdb Michael Niedermayer
                         int *frame_size)
1061 85f07f22 Fabrice Bellard
{
1062 ec5517d5 Fabrice Bellard
    int nb_frames, i, ret;
1063 07d0cdfc Luca Abeni
    AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
1064 cfcf0ffd Fabrice Bellard
    AVCodecContext *enc, *dec;
1065 47b229db Alexander Strange
    double sync_ipts;
1066 115329f1 Diego Biurrun
1067 01f4895c Michael Niedermayer
    enc = ost->st->codec;
1068
    dec = ist->st->codec;
1069 85f07f22 Fabrice Bellard
1070 47b229db Alexander Strange
    sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1071
1072 ec5517d5 Fabrice Bellard
    /* by default, we output a single frame */
1073
    nb_frames = 1;
1074
1075 204c0f48 Philip Gladstone
    *frame_size = 0;
1076
1077 9ff261a2 Michael Niedermayer
    if(video_sync_method){
1078 d55065a2 Alexander Strange
        double vdelta = sync_ipts - ost->sync_opts;
1079 e928649b Michael Niedermayer
        //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1080
        if (vdelta < -1.1)
1081
            nb_frames = 0;
1082 e6fdc2b1 Michael Niedermayer
        else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1083
            if(vdelta<=-0.6){
1084
                nb_frames=0;
1085
            }else if(vdelta>0.6)
1086 7f48bfa1 Baptiste Coudurier
                ost->sync_opts= lrintf(sync_ipts);
1087 e6fdc2b1 Michael Niedermayer
        }else if (vdelta > 1.1)
1088 70122f29 Michael Niedermayer
            nb_frames = lrintf(vdelta);
1089 fc6765d7 Michael Niedermayer
//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);
1090 50c3dd32 Michael Niedermayer
        if (nb_frames == 0){
1091
            ++nb_frames_drop;
1092
            if (verbose>2)
1093
                fprintf(stderr, "*** drop!\n");
1094 8300609b Michael Niedermayer
        }else if (nb_frames > 1) {
1095 ed30e518 Michael Niedermayer
            nb_frames_dup += nb_frames - 1;
1096 50c3dd32 Michael Niedermayer
            if (verbose>2)
1097 8300609b Michael Niedermayer
                fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1098 50c3dd32 Michael Niedermayer
        }
1099
    }else
1100 47b229db Alexander Strange
        ost->sync_opts= lrintf(sync_ipts);
1101 445f1b83 Roman Shaposhnik
1102 72415b2a Stefano Sabatini
    nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1103 115329f1 Diego Biurrun
    if (nb_frames <= 0)
1104 85f07f22 Fabrice Bellard
        return;
1105 ce7c56c2 Juanjo
1106 46847a33 Michael Niedermayer
    formatted_picture = in_picture;
1107 07d0cdfc Luca Abeni
    final_picture = formatted_picture;
1108
    padding_src = formatted_picture;
1109
    resampling_dst = &ost->pict_tmp;
1110
1111 5879ea6d Stefano Sabatini
    if (   ost->resample_height != ist->st->codec->height
1112
        || ost->resample_width  != ist->st->codec->width
1113 b83ccbff Michael Niedermayer
        || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1114
1115
        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));
1116
        if(!ost->video_resample)
1117 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
1118 b83ccbff Michael Niedermayer
    }
1119
1120 46847a33 Michael Niedermayer
#if !CONFIG_AVFILTER
1121 85f07f22 Fabrice Bellard
    if (ost->video_resample) {
1122 07d0cdfc Luca Abeni
        padding_src = NULL;
1123 34b10a57 Dieter
        final_picture = &ost->pict_tmp;
1124 5879ea6d Stefano Sabatini
        if(  ost->resample_height != ist->st->codec->height
1125
          || ost->resample_width  != ist->st->codec->width
1126 01a3c821 Jason Garrett-Glaser
          || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1127 352666c1 Eric Buehl
1128
            /* initialize a new scaler context */
1129
            sws_freeContext(ost->img_resample_ctx);
1130
            sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1131
            ost->img_resample_ctx = sws_getContext(
1132 5879ea6d Stefano Sabatini
                ist->st->codec->width,
1133
                ist->st->codec->height,
1134 352666c1 Eric Buehl
                ist->st->codec->pix_fmt,
1135 0c22311b Michael Niedermayer
                ost->st->codec->width,
1136
                ost->st->codec->height,
1137 352666c1 Eric Buehl
                ost->st->codec->pix_fmt,
1138
                sws_flags, NULL, NULL, NULL);
1139
            if (ost->img_resample_ctx == NULL) {
1140
                fprintf(stderr, "Cannot get resampling context\n");
1141 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
1142 352666c1 Eric Buehl
            }
1143
        }
1144 18a54b04 Luca Abeni
        sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1145
              0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1146 f122deb4 Luca Abeni
    }
1147 46847a33 Michael Niedermayer
#endif
1148 07d0cdfc Luca Abeni
1149 85f07f22 Fabrice Bellard
    /* duplicates frame if needed */
1150 ec5517d5 Fabrice Bellard
    for(i=0;i<nb_frames;i++) {
1151 e928649b Michael Niedermayer
        AVPacket pkt;
1152
        av_init_packet(&pkt);
1153
        pkt.stream_index= ost->index;
1154
1155 e8750b00 Fred Rothganger
        if (s->oformat->flags & AVFMT_RAWPICTURE) {
1156
            /* raw pictures are written as AVPicture structure to
1157
               avoid any copies. We support temorarily the older
1158
               method. */
1159 2744ca9a Roman Shaposhnik
            AVFrame* old_frame = enc->coded_frame;
1160 bb270c08 Diego Biurrun
            enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1161 e928649b Michael Niedermayer
            pkt.data= (uint8_t *)final_picture;
1162
            pkt.size=  sizeof(AVPicture);
1163 b4dba580 Michael Niedermayer
            pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1164 cc947f04 Jean-Daniel Dupas
            pkt.flags |= AV_PKT_FLAG_KEY;
1165 e928649b Michael Niedermayer
1166 0b6d358a Nicolas George
            write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1167 bb270c08 Diego Biurrun
            enc->coded_frame = old_frame;
1168 e8750b00 Fred Rothganger
        } else {
1169 492cd3a9 Michael Niedermayer
            AVFrame big_picture;
1170 a4d36c11 Michael Niedermayer
1171
            big_picture= *final_picture;
1172 7a0f9d7e Fabrice Bellard
            /* better than nothing: use input picture interlaced
1173
               settings */
1174
            big_picture.interlaced_frame = in_picture->interlaced_frame;
1175 72415b2a Stefano Sabatini
            if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1176 bb198e19 Michael Niedermayer
                if(top_field_first == -1)
1177
                    big_picture.top_field_first = in_picture->top_field_first;
1178
                else
1179 2a8edc5d Michael Niedermayer
                    big_picture.top_field_first = top_field_first;
1180 bb198e19 Michael Niedermayer
            }
1181 7a0f9d7e Fabrice Bellard
1182 85f07f22 Fabrice Bellard
            /* handles sameq here. This is not correct because it may
1183
               not be a global option */
1184 f62c025a Stefano Sabatini
            big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
1185 f4f3223f Michael Niedermayer
            if(!me_threshold)
1186
                big_picture.pict_type = 0;
1187 50c3dd32 Michael Niedermayer
//            big_picture.pts = AV_NOPTS_VALUE;
1188 c0df9d75 Michael Niedermayer
            big_picture.pts= ost->sync_opts;
1189
//            big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1190 949b1a13 Steve L'Homme
//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1191 4ad08021 Nicolas George
            if (ost->forced_kf_index < ost->forced_kf_count &&
1192
                big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1193
                big_picture.pict_type = FF_I_TYPE;
1194
                ost->forced_kf_index++;
1195
            }
1196 115329f1 Diego Biurrun
            ret = avcodec_encode_video(enc,
1197 8a6cb114 Michael Niedermayer
                                       bit_buffer, bit_buffer_size,
1198 1e491e29 Michael Niedermayer
                                       &big_picture);
1199 95af5e1c Michael Niedermayer
            if (ret < 0) {
1200 4156a436 Panagiotis Issaris
                fprintf(stderr, "Video encoding failed\n");
1201 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
1202 4156a436 Panagiotis Issaris
            }
1203 54e28a85 Baptiste Coudurier
1204 4bbc6260 Michael Niedermayer
            if(ret>0){
1205 27537106 Michael Niedermayer
                pkt.data= bit_buffer;
1206 e928649b Michael Niedermayer
                pkt.size= ret;
1207 e6b4e4ff Michael Niedermayer
                if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1208 c0df9d75 Michael Niedermayer
                    pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1209 949b1a13 Steve L'Homme
/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1210 c0df9d75 Michael Niedermayer
   pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1211
   pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1212 50c3dd32 Michael Niedermayer
1213 e6b4e4ff Michael Niedermayer
                if(enc->coded_frame->key_frame)
1214 cc947f04 Jean-Daniel Dupas
                    pkt.flags |= AV_PKT_FLAG_KEY;
1215 0b6d358a Nicolas George
                write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1216 e928649b Michael Niedermayer
                *frame_size = ret;
1217 44eb047a Michael Niedermayer
                video_size += ret;
1218 54e28a85 Baptiste Coudurier
                //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1219
                //        enc->frame_number-1, ret, enc->pict_type);
1220 e928649b Michael Niedermayer
                /* if two pass, output log */
1221
                if (ost->logfile && enc->stats_out) {
1222
                    fprintf(ost->logfile, "%s", enc->stats_out);
1223
                }
1224 5abdb4b1 Fabrice Bellard
            }
1225 85f07f22 Fabrice Bellard
        }
1226 50c3dd32 Michael Niedermayer
        ost->sync_opts++;
1227 ec5517d5 Fabrice Bellard
        ost->frame_number++;
1228 85f07f22 Fabrice Bellard
    }
1229
}
1230
1231 140cb663 Michael Niedermayer
static double psnr(double d){
1232 b29f97d1 Zdenek Kabelac
    return -10.0*log(d)/log(10.0);
1233 140cb663 Michael Niedermayer
}
1234
1235 115329f1 Diego Biurrun
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1236 ec5517d5 Fabrice Bellard
                           int frame_size)
1237 ce7c56c2 Juanjo
{
1238
    AVCodecContext *enc;
1239
    int frame_number;
1240
    double ti1, bitrate, avg_bitrate;
1241 115329f1 Diego Biurrun
1242 b60d1379 Stefano Sabatini
    /* this is executed just the first time do_video_stats is called */
1243 032aa7df Stefano Sabatini
    if (!vstats_file) {
1244
        vstats_file = fopen(vstats_filename, "w");
1245
        if (!vstats_file) {
1246 4bd0c2b1 Benoit Fouet
            perror("fopen");
1247 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
1248 4bd0c2b1 Benoit Fouet
        }
1249
    }
1250
1251 01f4895c Michael Niedermayer
    enc = ost->st->codec;
1252 72415b2a Stefano Sabatini
    if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1253 ec5517d5 Fabrice Bellard
        frame_number = ost->frame_number;
1254 032aa7df Stefano Sabatini
        fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1255 140cb663 Michael Niedermayer
        if (enc->flags&CODEC_FLAG_PSNR)
1256 032aa7df Stefano Sabatini
            fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1257 115329f1 Diego Biurrun
1258 032aa7df Stefano Sabatini
        fprintf(vstats_file,"f_size= %6d ", frame_size);
1259 ec5517d5 Fabrice Bellard
        /* compute pts value */
1260 c0df9d75 Michael Niedermayer
        ti1 = ost->sync_opts * av_q2d(enc->time_base);
1261 ce7c56c2 Juanjo
        if (ti1 < 0.01)
1262
            ti1 = 0.01;
1263 115329f1 Diego Biurrun
1264 c0df9d75 Michael Niedermayer
        bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1265 1008ceb3 Michael Niedermayer
        avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1266 032aa7df Stefano Sabatini
        fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1267 1008ceb3 Michael Niedermayer
            (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1268 032aa7df Stefano Sabatini
        fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1269 ce7c56c2 Juanjo
    }
1270 ec5517d5 Fabrice Bellard
}
1271
1272 b29f97d1 Zdenek Kabelac
static void print_report(AVFormatContext **output_files,
1273 bb270c08 Diego Biurrun
                         AVOutputStream **ost_table, int nb_ostreams,
1274
                         int is_last_report)
1275 ec5517d5 Fabrice Bellard
{
1276
    char buf[1024];
1277
    AVOutputStream *ost;
1278 b5ee9c23 Michael Niedermayer
    AVFormatContext *oc;
1279 0c1a9eda Zdenek Kabelac
    int64_t total_size;
1280 ec5517d5 Fabrice Bellard
    AVCodecContext *enc;
1281
    int frame_number, vid, i;
1282
    double bitrate, ti1, pts;
1283 0c1a9eda Zdenek Kabelac
    static int64_t last_time = -1;
1284 0888fd22 Michael Niedermayer
    static int qp_histogram[52];
1285 115329f1 Diego Biurrun
1286 ec5517d5 Fabrice Bellard
    if (!is_last_report) {
1287 0c1a9eda Zdenek Kabelac
        int64_t cur_time;
1288 ec5517d5 Fabrice Bellard
        /* display the report every 0.5 seconds */
1289
        cur_time = av_gettime();
1290
        if (last_time == -1) {
1291
            last_time = cur_time;
1292
            return;
1293 115329f1 Diego Biurrun
        }
1294 ec5517d5 Fabrice Bellard
        if ((cur_time - last_time) < 500000)
1295
            return;
1296
        last_time = cur_time;
1297
    }
1298
1299 ce7c56c2 Juanjo
1300 ec5517d5 Fabrice Bellard
    oc = output_files[0];
1301
1302 76aa876e Anton Khirnov
    total_size = avio_size(oc->pb);
1303
    if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1304 a2704c97 Anton Khirnov
        total_size= avio_tell(oc->pb);
1305 115329f1 Diego Biurrun
1306 ec5517d5 Fabrice Bellard
    buf[0] = '\0';
1307
    ti1 = 1e10;
1308
    vid = 0;
1309
    for(i=0;i<nb_ostreams;i++) {
1310
        ost = ost_table[i];
1311 01f4895c Michael Niedermayer
        enc = ost->st->codec;
1312 72415b2a Stefano Sabatini
        if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1313 0ecca7a4 Michael Niedermayer
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1314 e6b4e4ff Michael Niedermayer
                     !ost->st->stream_copy ?
1315 99fb79b5 Baptiste Coudurier
                     enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1316 10d104e4 Philip Gladstone
        }
1317 72415b2a Stefano Sabatini
        if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1318 7fc98937 Limin Wang
            float t = (av_gettime()-timer_start) / 1000000.0;
1319
1320 ec5517d5 Fabrice Bellard
            frame_number = ost->frame_number;
1321 7fc98937 Limin Wang
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1322
                     frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1323 e6b4e4ff Michael Niedermayer
                     !ost->st->stream_copy ?
1324 99fb79b5 Baptiste Coudurier
                     enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1325 890972be Michael Niedermayer
            if(is_last_report)
1326 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1327 e6b4e4ff Michael Niedermayer
            if(qp_hist){
1328 0888fd22 Michael Niedermayer
                int j;
1329
                int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1330 37d3e066 Aurelien Jacobs
                if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1331 0888fd22 Michael Niedermayer
                    qp_histogram[qp]++;
1332
                for(j=0; j<32; j++)
1333
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1334
            }
1335 890972be Michael Niedermayer
            if (enc->flags&CODEC_FLAG_PSNR){
1336
                int j;
1337
                double error, error_sum=0;
1338
                double scale, scale_sum=0;
1339
                char type[3]= {'Y','U','V'};
1340 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1341 890972be Michael Niedermayer
                for(j=0; j<3; j++){
1342
                    if(is_last_report){
1343
                        error= enc->error[j];
1344
                        scale= enc->width*enc->height*255.0*255.0*frame_number;
1345
                    }else{
1346
                        error= enc->coded_frame->error[j];
1347
                        scale= enc->width*enc->height*255.0*255.0;
1348
                    }
1349
                    if(j) scale/=4;
1350
                    error_sum += error;
1351
                    scale_sum += scale;
1352 0ecca7a4 Michael Niedermayer
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1353 890972be Michael Niedermayer
                }
1354 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1355 890972be Michael Niedermayer
            }
1356 ec5517d5 Fabrice Bellard
            vid = 1;
1357
        }
1358
        /* compute min output value */
1359 43924f01 Alex Beregszaszi
        pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1360 5d9827bc Kareila
        if ((pts < ti1) && (pts > 0))
1361 ec5517d5 Fabrice Bellard
            ti1 = pts;
1362
    }
1363
    if (ti1 < 0.01)
1364
        ti1 = 0.01;
1365 115329f1 Diego Biurrun
1366 f068206e Bill Eldridge
    if (verbose || is_last_report) {
1367
        bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1368 115329f1 Diego Biurrun
1369
        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1370 475f4d8d David Bolt
            "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1371 ec5517d5 Fabrice Bellard
            (double)total_size / 1024, ti1, bitrate);
1372 a6a92a9a Wolfram Gloger
1373 0f649d66 Michael Niedermayer
        if (nb_frames_dup || nb_frames_drop)
1374 bb270c08 Diego Biurrun
          snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1375
                  nb_frames_dup, nb_frames_drop);
1376 115329f1 Diego Biurrun
1377 d8019eb5 Allen Day
        if (verbose >= 0)
1378
            fprintf(stderr, "%s    \r", buf);
1379
1380 ec5517d5 Fabrice Bellard
        fflush(stderr);
1381
    }
1382 115329f1 Diego Biurrun
1383 1008ceb3 Michael Niedermayer
    if (is_last_report && verbose >= 0){
1384
        int64_t raw= audio_size + video_size + extra_size;
1385 f068206e Bill Eldridge
        fprintf(stderr, "\n");
1386 1008ceb3 Michael Niedermayer
        fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1387
                video_size/1024.0,
1388
                audio_size/1024.0,
1389
                extra_size/1024.0,
1390
                100.0*(total_size - raw)/raw
1391
        );
1392
    }
1393 ce7c56c2 Juanjo
}
1394
1395 14cf0fd2 Alex Converse
static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1396
{
1397
    int fill_char = 0x00;
1398
    if (sample_fmt == AV_SAMPLE_FMT_U8)
1399
        fill_char = 0x80;
1400
    memset(buf, fill_char, size);
1401
}
1402
1403 a700a6ae Fabrice Bellard
/* pkt = NULL means EOF (needed to flush decoder buffers) */
1404
static int output_packet(AVInputStream *ist, int ist_index,
1405
                         AVOutputStream **ost_table, int nb_ostreams,
1406 4b85a28f Wolfram Gloger
                         const AVPacket *pkt)
1407 a700a6ae Fabrice Bellard
{
1408
    AVFormatContext *os;
1409
    AVOutputStream *ost;
1410 ede0e475 Thilo Borgmann
    int ret, i;
1411 8157483d Michael Niedermayer
    int got_picture;
1412 a700a6ae Fabrice Bellard
    AVFrame picture;
1413
    void *buffer_to_free;
1414 f038fe8b Diego Biurrun
    static unsigned int samples_size= 0;
1415 cf7fc795 Fabrice Bellard
    AVSubtitle subtitle, *subtitle_to_free;
1416 0ff4f0c0 Alexander Strange
    int64_t pkt_pts = AV_NOPTS_VALUE;
1417 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1418 d21f58b5 Baptiste Coudurier
    int frame_available;
1419 46847a33 Michael Niedermayer
#endif
1420
1421 ede0e475 Thilo Borgmann
    AVPacket avpkt;
1422 ba7d6e79 Stefano Sabatini
    int bps = av_get_bits_per_sample_fmt(ist->st->codec->sample_fmt)>>3;
1423 ede0e475 Thilo Borgmann
1424 ed923859 Michael Niedermayer
    if(ist->next_pts == AV_NOPTS_VALUE)
1425
        ist->next_pts= ist->pts;
1426
1427 a700a6ae Fabrice Bellard
    if (pkt == NULL) {
1428
        /* EOF handling */
1429 031e14ea Thilo Borgmann
        av_init_packet(&avpkt);
1430 ede0e475 Thilo Borgmann
        avpkt.data = NULL;
1431
        avpkt.size = 0;
1432 a700a6ae Fabrice Bellard
        goto handle_eof;
1433 031e14ea Thilo Borgmann
    } else {
1434
        avpkt = *pkt;
1435 a700a6ae Fabrice Bellard
    }
1436
1437 b1b818fc Michael Niedermayer
    if(pkt->dts != AV_NOPTS_VALUE)
1438
        ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1439 0ff4f0c0 Alexander Strange
    if(pkt->pts != AV_NOPTS_VALUE)
1440
        pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1441 b1b818fc Michael Niedermayer
1442 bd6754aa Michael Niedermayer
    //while we have more to decode or while the decoder did output something on EOF
1443 ede0e475 Thilo Borgmann
    while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1444 036c1382 Michael Niedermayer
        uint8_t *data_buf, *decoded_data_buf;
1445
        int data_size, decoded_data_size;
1446 a700a6ae Fabrice Bellard
    handle_eof:
1447 b1b818fc Michael Niedermayer
        ist->pts= ist->next_pts;
1448 19d5da50 Michael Niedermayer
1449 d859bb1d Sascha Sommer
        if(avpkt.size && avpkt.size != pkt->size &&
1450 6e2fdc3e Stefano Sabatini
           ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1451 40cb57a2 Michael Niedermayer
            fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1452 3ff0daf0 Michael Niedermayer
            ist->showed_multi_packet_warning=1;
1453
        }
1454 40cb57a2 Michael Niedermayer
1455 a700a6ae Fabrice Bellard
        /* decode the packet if needed */
1456 036c1382 Michael Niedermayer
        decoded_data_buf = NULL; /* fail safe */
1457
        decoded_data_size= 0;
1458
        data_buf  = avpkt.data;
1459
        data_size = avpkt.size;
1460 cf7fc795 Fabrice Bellard
        subtitle_to_free = NULL;
1461 a700a6ae Fabrice Bellard
        if (ist->decoding_needed) {
1462 01f4895c Michael Niedermayer
            switch(ist->st->codec->codec_type) {
1463 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:{
1464 81b060fa Loren Merritt
                if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1465
                    samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1466
                    av_free(samples);
1467
                    samples= av_malloc(samples_size);
1468
                }
1469 036c1382 Michael Niedermayer
                decoded_data_size= samples_size;
1470 a700a6ae Fabrice Bellard
                    /* XXX: could avoid copy if PCM 16 bits with same
1471
                       endianness as CPU */
1472 036c1382 Michael Niedermayer
                ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1473 ede0e475 Thilo Borgmann
                                            &avpkt);
1474 a700a6ae Fabrice Bellard
                if (ret < 0)
1475
                    goto fail_decode;
1476 ede0e475 Thilo Borgmann
                avpkt.data += ret;
1477
                avpkt.size -= ret;
1478 036c1382 Michael Niedermayer
                data_size   = ret;
1479 a700a6ae Fabrice Bellard
                /* Some bug in mpeg audio decoder gives */
1480 036c1382 Michael Niedermayer
                /* decoded_data_size < 0, it seems they are overflows */
1481
                if (decoded_data_size <= 0) {
1482 a700a6ae Fabrice Bellard
                    /* no audio frame */
1483
                    continue;
1484
                }
1485 036c1382 Michael Niedermayer
                decoded_data_buf = (uint8_t *)samples;
1486
                ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1487 01f4895c Michael Niedermayer
                    (ist->st->codec->sample_rate * ist->st->codec->channels);
1488 df84ac2e Michael Niedermayer
                break;}
1489 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
1490 036c1382 Michael Niedermayer
                    decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1491 a700a6ae Fabrice Bellard
                    /* XXX: allocate picture correctly */
1492 9740beff Michael Niedermayer
                    avcodec_get_frame_defaults(&picture);
1493 6b474953 Alexander Strange
                    avpkt.pts = pkt_pts;
1494
                    avpkt.dts = ist->pts;
1495 0ff4f0c0 Alexander Strange
                    pkt_pts = AV_NOPTS_VALUE;
1496 9740beff Michael Niedermayer
1497 ede0e475 Thilo Borgmann
                    ret = avcodec_decode_video2(ist->st->codec,
1498
                                                &picture, &got_picture, &avpkt);
1499 a700a6ae Fabrice Bellard
                    ist->st->quality= picture.quality;
1500 115329f1 Diego Biurrun
                    if (ret < 0)
1501 a700a6ae Fabrice Bellard
                        goto fail_decode;
1502
                    if (!got_picture) {
1503
                        /* no picture yet */
1504
                        goto discard_packet;
1505
                    }
1506 6b474953 Alexander Strange
                    ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1507 01f4895c Michael Niedermayer
                    if (ist->st->codec->time_base.num != 0) {
1508 3797c74b Michael Niedermayer
                        int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1509 115329f1 Diego Biurrun
                        ist->next_pts += ((int64_t)AV_TIME_BASE *
1510 34583e1b Michael Niedermayer
                                          ist->st->codec->time_base.num * ticks) /
1511 01f4895c Michael Niedermayer
                            ist->st->codec->time_base.den;
1512 a700a6ae Fabrice Bellard
                    }
1513 ede0e475 Thilo Borgmann
                    avpkt.size = 0;
1514 a700a6ae Fabrice Bellard
                    break;
1515 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_SUBTITLE:
1516 ede0e475 Thilo Borgmann
                ret = avcodec_decode_subtitle2(ist->st->codec,
1517 28db3215 Alexander Strange
                                               &subtitle, &got_picture, &avpkt);
1518 cf7fc795 Fabrice Bellard
                if (ret < 0)
1519 a700a6ae Fabrice Bellard
                    goto fail_decode;
1520 28db3215 Alexander Strange
                if (!got_picture) {
1521 cf7fc795 Fabrice Bellard
                    goto discard_packet;
1522 a700a6ae Fabrice Bellard
                }
1523 cf7fc795 Fabrice Bellard
                subtitle_to_free = &subtitle;
1524 ede0e475 Thilo Borgmann
                avpkt.size = 0;
1525 cf7fc795 Fabrice Bellard
                break;
1526
            default:
1527
                goto fail_decode;
1528
            }
1529
        } else {
1530 bde0705c Limin Wang
            switch(ist->st->codec->codec_type) {
1531 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:
1532 bde0705c Limin Wang
                ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1533 1c715415 Michael Niedermayer
                    ist->st->codec->sample_rate;
1534 bde0705c Limin Wang
                break;
1535 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
1536 bde0705c Limin Wang
                if (ist->st->codec->time_base.num != 0) {
1537 3797c74b Michael Niedermayer
                    int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1538 bde0705c Limin Wang
                    ist->next_pts += ((int64_t)AV_TIME_BASE *
1539 34583e1b Michael Niedermayer
                                      ist->st->codec->time_base.num * ticks) /
1540 bde0705c Limin Wang
                        ist->st->codec->time_base.den;
1541 2fef0bdf Michael Niedermayer
                }
1542 bde0705c Limin Wang
                break;
1543 a700a6ae Fabrice Bellard
            }
1544 ede0e475 Thilo Borgmann
            ret = avpkt.size;
1545
            avpkt.size = 0;
1546 bde0705c Limin Wang
        }
1547 a700a6ae Fabrice Bellard
1548 bde0705c Limin Wang
        buffer_to_free = NULL;
1549 72415b2a Stefano Sabatini
        if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1550 bde0705c Limin Wang
            pre_process_video_frame(ist, (AVPicture *)&picture,
1551
                                    &buffer_to_free);
1552
        }
1553 a700a6ae Fabrice Bellard
1554 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1555
        if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->input_video_filter) {
1556 d9c3e5f6 Michael Niedermayer
            AVRational sar;
1557
            if (ist->st->sample_aspect_ratio.num) sar = ist->st->sample_aspect_ratio;
1558
            else                                  sar = ist->st->codec->sample_aspect_ratio;
1559 46847a33 Michael Niedermayer
            // add it to be filtered
1560
            av_vsrc_buffer_add_frame(ist->input_video_filter, &picture,
1561
                                     ist->pts,
1562 d9c3e5f6 Michael Niedermayer
                                     sar);
1563 46847a33 Michael Niedermayer
        }
1564
#endif
1565
1566 bde0705c Limin Wang
        // preprocess audio (volume)
1567 72415b2a Stefano Sabatini
        if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1568 bde0705c Limin Wang
            if (audio_volume != 256) {
1569
                short *volp;
1570
                volp = samples;
1571 036c1382 Michael Niedermayer
                for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1572 bde0705c Limin Wang
                    int v = ((*volp) * audio_volume + 128) >> 8;
1573
                    if (v < -32768) v = -32768;
1574
                    if (v >  32767) v = 32767;
1575
                    *volp++ = v;
1576 7e987c33 Calcium
                }
1577
            }
1578 bde0705c Limin Wang
        }
1579 7e987c33 Calcium
1580 bde0705c Limin Wang
        /* frame rate emulation */
1581 3a25ca18 Stefano Sabatini
        if (rate_emu) {
1582 cb103a19 Stefano Sabatini
            int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1583 bde0705c Limin Wang
            int64_t now = av_gettime() - ist->start;
1584
            if (pts > now)
1585
                usleep(pts - now);
1586
        }
1587 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1588 d21f58b5 Baptiste Coudurier
        frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1589 dfd57757 Stefano Sabatini
            !ist->output_video_filter || avfilter_poll_frame(ist->output_video_filter->inputs[0]);
1590 46847a33 Michael Niedermayer
#endif
1591 bde0705c Limin Wang
        /* if output time reached then transcode raw format,
1592
           encode packets and output them */
1593
        if (start_time == 0 || ist->pts >= start_time)
1594 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1595 d21f58b5 Baptiste Coudurier
        while (frame_available) {
1596 ff0652e5 Stefano Sabatini
            AVRational ist_pts_tb;
1597 dfd57757 Stefano Sabatini
            if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->output_video_filter)
1598 ff0652e5 Stefano Sabatini
                get_filtered_video_frame(ist->output_video_filter, &picture, &ist->picref, &ist_pts_tb);
1599
            if (ist->picref)
1600 da1b9b88 Stefano Sabatini
                ist->pts = av_rescale_q(ist->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1601 46847a33 Michael Niedermayer
#endif
1602 bde0705c Limin Wang
            for(i=0;i<nb_ostreams;i++) {
1603
                int frame_size;
1604 a700a6ae Fabrice Bellard
1605 bde0705c Limin Wang
                ost = ost_table[i];
1606
                if (ost->source_index == ist_index) {
1607
                    os = output_files[ost->file_index];
1608 a700a6ae Fabrice Bellard
1609 bde0705c Limin Wang
                    /* set the input output pts pairs */
1610
                    //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1611
1612
                    if (ost->encoding_needed) {
1613 b926b628 Michael Niedermayer
                        av_assert0(ist->decoding_needed);
1614 bde0705c Limin Wang
                        switch(ost->st->codec->codec_type) {
1615 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_AUDIO:
1616 036c1382 Michael Niedermayer
                            do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1617 bde0705c Limin Wang
                            break;
1618 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_VIDEO:
1619 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1620 cc80caff S.N. Hemanth Meenakshisundaram
                            if (ist->picref->video)
1621
                                ost->st->codec->sample_aspect_ratio = ist->picref->video->pixel_aspect;
1622 46847a33 Michael Niedermayer
#endif
1623 bde0705c Limin Wang
                            do_video_out(os, ost, ist, &picture, &frame_size);
1624 b60d1379 Stefano Sabatini
                            if (vstats_filename && frame_size)
1625 bde0705c Limin Wang
                                do_video_stats(os, ost, frame_size);
1626
                            break;
1627 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_SUBTITLE:
1628 bde0705c Limin Wang
                            do_subtitle_out(os, ost, ist, &subtitle,
1629
                                            pkt->pts);
1630
                            break;
1631
                        default:
1632 0f4e8165 Ronald S. Bultje
                            abort();
1633 bde0705c Limin Wang
                        }
1634
                    } else {
1635
                        AVFrame avframe; //FIXME/XXX remove this
1636
                        AVPacket opkt;
1637 cdf38a17 Michael Niedermayer
                        int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1638
1639 bde0705c Limin Wang
                        av_init_packet(&opkt);
1640
1641 cc947f04 Jean-Daniel Dupas
                        if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1642 7cacf1e8 Michael Niedermayer
                            continue;
1643
1644 bde0705c Limin Wang
                        /* no reencoding needed : output the packet directly */
1645
                        /* force the input stream PTS */
1646
1647
                        avcodec_get_frame_defaults(&avframe);
1648
                        ost->st->codec->coded_frame= &avframe;
1649 cc947f04 Jean-Daniel Dupas
                        avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1650 bde0705c Limin Wang
1651 72415b2a Stefano Sabatini
                        if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1652 bde0705c Limin Wang
                            audio_size += data_size;
1653 72415b2a Stefano Sabatini
                        else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1654 bde0705c Limin Wang
                            video_size += data_size;
1655
                            ost->sync_opts++;
1656
                        }
1657
1658
                        opkt.stream_index= ost->index;
1659
                        if(pkt->pts != AV_NOPTS_VALUE)
1660 cdf38a17 Michael Niedermayer
                            opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1661 bde0705c Limin Wang
                        else
1662
                            opkt.pts= AV_NOPTS_VALUE;
1663
1664 d2ce2f5e Baptiste Coudurier
                        if (pkt->dts == AV_NOPTS_VALUE)
1665 181782ae Michael Niedermayer
                            opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1666 d2ce2f5e Baptiste Coudurier
                        else
1667
                            opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1668 cdf38a17 Michael Niedermayer
                        opkt.dts -= ost_tb_start_time;
1669 c0dd7b7c Michael Niedermayer
1670 a03d59b7 Aurelien Jacobs
                        opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1671 bde0705c Limin Wang
                        opkt.flags= pkt->flags;
1672
1673
                        //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1674 5bfe91e6 Michael Niedermayer
                        if(   ost->st->codec->codec_id != CODEC_ID_H264
1675
                           && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1676
                           && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1677
                           ) {
1678 cc947f04 Jean-Daniel Dupas
                            if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1679 9f907d85 Michael Niedermayer
                                opkt.destruct= av_destruct_packet;
1680 d310d56a Baptiste Coudurier
                        } else {
1681
                            opkt.data = data_buf;
1682
                            opkt.size = data_size;
1683
                        }
1684 bde0705c Limin Wang
1685 0b6d358a Nicolas George
                        write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1686 bde0705c Limin Wang
                        ost->st->codec->frame_number++;
1687
                        ost->frame_number++;
1688
                        av_free_packet(&opkt);
1689 a700a6ae Fabrice Bellard
                    }
1690
                }
1691 bde0705c Limin Wang
            }
1692 46847a33 Michael Niedermayer
1693
#if CONFIG_AVFILTER
1694 748db0fc Michael Niedermayer
            frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1695 dfd57757 Stefano Sabatini
                              ist->output_video_filter && avfilter_poll_frame(ist->output_video_filter->inputs[0]);
1696 46847a33 Michael Niedermayer
            if(ist->picref)
1697 7fce481a S.N. Hemanth Meenakshisundaram
                avfilter_unref_buffer(ist->picref);
1698 46847a33 Michael Niedermayer
        }
1699
#endif
1700 bde0705c Limin Wang
        av_free(buffer_to_free);
1701
        /* XXX: allocate the subtitles in the codec ? */
1702
        if (subtitle_to_free) {
1703 1d6233d3 Aurelien Jacobs
            avsubtitle_free(subtitle_to_free);
1704 bde0705c Limin Wang
            subtitle_to_free = NULL;
1705 a700a6ae Fabrice Bellard
        }
1706 bde0705c Limin Wang
    }
1707 a700a6ae Fabrice Bellard
 discard_packet:
1708 6f824977 Michael Niedermayer
    if (pkt == NULL) {
1709
        /* EOF handling */
1710 115329f1 Diego Biurrun
1711 6f824977 Michael Niedermayer
        for(i=0;i<nb_ostreams;i++) {
1712
            ost = ost_table[i];
1713
            if (ost->source_index == ist_index) {
1714 01f4895c Michael Niedermayer
                AVCodecContext *enc= ost->st->codec;
1715 6f824977 Michael Niedermayer
                os = output_files[ost->file_index];
1716 115329f1 Diego Biurrun
1717 72415b2a Stefano Sabatini
                if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1718 6f824977 Michael Niedermayer
                    continue;
1719 72415b2a Stefano Sabatini
                if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1720 6f824977 Michael Niedermayer
                    continue;
1721
1722
                if (ost->encoding_needed) {
1723
                    for(;;) {
1724
                        AVPacket pkt;
1725 cef7cc72 Justin Ruggles
                        int fifo_bytes;
1726 6f824977 Michael Niedermayer
                        av_init_packet(&pkt);
1727
                        pkt.stream_index= ost->index;
1728 115329f1 Diego Biurrun
1729 01f4895c Michael Niedermayer
                        switch(ost->st->codec->codec_type) {
1730 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_AUDIO:
1731 41dd680d Michael Niedermayer
                            fifo_bytes = av_fifo_size(ost->fifo);
1732 cef7cc72 Justin Ruggles
                            ret = 0;
1733
                            /* encode any samples remaining in fifo */
1734 b10d7e4e Baptiste Coudurier
                            if (fifo_bytes > 0) {
1735 ba7d6e79 Stefano Sabatini
                                int osize = av_get_bits_per_sample_fmt(enc->sample_fmt) >> 3;
1736 cef7cc72 Justin Ruggles
                                int fs_tmp = enc->frame_size;
1737 b10d7e4e Baptiste Coudurier
1738 79c85beb Justin Ruggles
                                av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1739 b10d7e4e Baptiste Coudurier
                                if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1740
                                    enc->frame_size = fifo_bytes / (osize * enc->channels);
1741
                                } else { /* pad */
1742
                                    int frame_bytes = enc->frame_size*osize*enc->channels;
1743 79c85beb Justin Ruggles
                                    if (allocated_audio_buf_size < frame_bytes)
1744 639e4ec8 Stefano Sabatini
                                        ffmpeg_exit(1);
1745 14cf0fd2 Alex Converse
                                    generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1746 b10d7e4e Baptiste Coudurier
                                }
1747
1748 79c85beb Justin Ruggles
                                ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1749 7c8689ef Baptiste Coudurier
                                pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1750
                                                          ost->st->time_base.num, enc->sample_rate);
1751 cef7cc72 Justin Ruggles
                                enc->frame_size = fs_tmp;
1752 9e0db7d5 Michael Niedermayer
                            }
1753
                            if(ret <= 0) {
1754 cef7cc72 Justin Ruggles
                                ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1755
                            }
1756 528271ff Michael Niedermayer
                            if (ret < 0) {
1757
                                fprintf(stderr, "Audio encoding failed\n");
1758 639e4ec8 Stefano Sabatini
                                ffmpeg_exit(1);
1759 528271ff Michael Niedermayer
                            }
1760 6f824977 Michael Niedermayer
                            audio_size += ret;
1761 cc947f04 Jean-Daniel Dupas
                            pkt.flags |= AV_PKT_FLAG_KEY;
1762 6f824977 Michael Niedermayer
                            break;
1763 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_VIDEO:
1764 8a6cb114 Michael Niedermayer
                            ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1765 528271ff Michael Niedermayer
                            if (ret < 0) {
1766
                                fprintf(stderr, "Video encoding failed\n");
1767 639e4ec8 Stefano Sabatini
                                ffmpeg_exit(1);
1768 528271ff Michael Niedermayer
                            }
1769 6f824977 Michael Niedermayer
                            video_size += ret;
1770
                            if(enc->coded_frame && enc->coded_frame->key_frame)
1771 cc947f04 Jean-Daniel Dupas
                                pkt.flags |= AV_PKT_FLAG_KEY;
1772 6f824977 Michael Niedermayer
                            if (ost->logfile && enc->stats_out) {
1773
                                fprintf(ost->logfile, "%s", enc->stats_out);
1774
                            }
1775
                            break;
1776
                        default:
1777
                            ret=-1;
1778
                        }
1779 115329f1 Diego Biurrun
1780 6f824977 Michael Niedermayer
                        if(ret<=0)
1781
                            break;
1782 27537106 Michael Niedermayer
                        pkt.data= bit_buffer;
1783 6f824977 Michael Niedermayer
                        pkt.size= ret;
1784 e7902f20 Michael Niedermayer
                        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1785 c0df9d75 Michael Niedermayer
                            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1786 0b6d358a Nicolas George
                        write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1787 6f824977 Michael Niedermayer
                    }
1788
                }
1789
            }
1790
        }
1791
    }
1792 115329f1 Diego Biurrun
1793 a700a6ae Fabrice Bellard
    return 0;
1794
 fail_decode:
1795
    return -1;
1796
}
1797
1798 6d1ba1ac Luca Abeni
static void print_sdp(AVFormatContext **avc, int n)
1799
{
1800
    char sdp[2048];
1801
1802 c3675dfe Anton Khirnov
    av_sdp_create(avc, n, sdp, sizeof(sdp));
1803 6d1ba1ac Luca Abeni
    printf("SDP:\n%s\n", sdp);
1804 536cd1db Luca Barbato
    fflush(stdout);
1805 6d1ba1ac Luca Abeni
}
1806 a700a6ae Fabrice Bellard
1807 7a39f142 Anton Khirnov
static int copy_chapters(int infile, int outfile)
1808
{
1809
    AVFormatContext *is = input_files[infile];
1810
    AVFormatContext *os = output_files[outfile];
1811
    int i;
1812
1813
    for (i = 0; i < is->nb_chapters; i++) {
1814
        AVChapter *in_ch = is->chapters[i], *out_ch;
1815
        int64_t ts_off   = av_rescale_q(start_time - input_files_ts_offset[infile],
1816
                                      AV_TIME_BASE_Q, in_ch->time_base);
1817
        int64_t rt       = (recording_time == INT64_MAX) ? INT64_MAX :
1818
                           av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1819
1820
1821
        if (in_ch->end < ts_off)
1822
            continue;
1823
        if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1824
            break;
1825
1826
        out_ch = av_mallocz(sizeof(AVChapter));
1827
        if (!out_ch)
1828
            return AVERROR(ENOMEM);
1829
1830
        out_ch->id        = in_ch->id;
1831
        out_ch->time_base = in_ch->time_base;
1832
        out_ch->start     = FFMAX(0,  in_ch->start - ts_off);
1833
        out_ch->end       = FFMIN(rt, in_ch->end   - ts_off);
1834
1835 d0abe80a Anton Khirnov
        if (metadata_chapters_autocopy)
1836 7f88a5bf Ronald S. Bultje
            av_metadata_copy(&out_ch->metadata, in_ch->metadata, 0);
1837 7a39f142 Anton Khirnov
1838
        os->nb_chapters++;
1839
        os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1840
        if (!os->chapters)
1841
            return AVERROR(ENOMEM);
1842
        os->chapters[os->nb_chapters - 1] = out_ch;
1843
    }
1844
    return 0;
1845
}
1846
1847 4ad08021 Nicolas George
static void parse_forced_key_frames(char *kf, AVOutputStream *ost,
1848
                                    AVCodecContext *avctx)
1849
{
1850
    char *p;
1851
    int n = 1, i;
1852
    int64_t t;
1853
1854
    for (p = kf; *p; p++)
1855
        if (*p == ',')
1856
            n++;
1857
    ost->forced_kf_count = n;
1858
    ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1859
    if (!ost->forced_kf_pts) {
1860
        av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1861
        ffmpeg_exit(1);
1862
    }
1863
    for (i = 0; i < n; i++) {
1864
        p = i ? strchr(p, ',') + 1 : kf;
1865
        t = parse_time_or_die("force_key_frames", p, 1);
1866
        ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1867
    }
1868
}
1869
1870 85f07f22 Fabrice Bellard
/*
1871
 * The following code is the main loop of the file converter
1872
 */
1873 3aace1bc Stefano Sabatini
static int transcode(AVFormatContext **output_files,
1874 065a20cb Stefano Sabatini
                     int nb_output_files,
1875
                     AVFormatContext **input_files,
1876
                     int nb_input_files,
1877
                     AVStreamMap *stream_maps, int nb_stream_maps)
1878 85f07f22 Fabrice Bellard
{
1879 002c95d7 Baptiste Coudurier
    int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1880 85f07f22 Fabrice Bellard
    AVFormatContext *is, *os;
1881
    AVCodecContext *codec, *icodec;
1882
    AVOutputStream *ost, **ost_table = NULL;
1883
    AVInputStream *ist, **ist_table = NULL;
1884 bdc4796f Fabrice Bellard
    AVInputFile *file_table;
1885 002c95d7 Baptiste Coudurier
    char error[1024];
1886 cb09b2ed Philip Gladstone
    int key;
1887 6d1ba1ac Luca Abeni
    int want_sdp = 1;
1888 545465ec Michael Niedermayer
    uint8_t no_packet[MAX_FILES]={0};
1889
    int no_packet_count=0;
1890 bdc4796f Fabrice Bellard
1891 90901860 Michael Niedermayer
    file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1892 bdc4796f Fabrice Bellard
    if (!file_table)
1893
        goto fail;
1894 115329f1 Diego Biurrun
1895 85f07f22 Fabrice Bellard
    /* input stream init */
1896
    j = 0;
1897
    for(i=0;i<nb_input_files;i++) {
1898
        is = input_files[i];
1899
        file_table[i].ist_index = j;
1900 79fdaa4c Fabrice Bellard
        file_table[i].nb_streams = is->nb_streams;
1901 85f07f22 Fabrice Bellard
        j += is->nb_streams;
1902
    }
1903
    nb_istreams = j;
1904
1905
    ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1906
    if (!ist_table)
1907 bdc4796f Fabrice Bellard
        goto fail;
1908 115329f1 Diego Biurrun
1909 85f07f22 Fabrice Bellard
    for(i=0;i<nb_istreams;i++) {
1910
        ist = av_mallocz(sizeof(AVInputStream));
1911
        if (!ist)
1912
            goto fail;
1913
        ist_table[i] = ist;
1914
    }
1915
    j = 0;
1916
    for(i=0;i<nb_input_files;i++) {
1917
        is = input_files[i];
1918
        for(k=0;k<is->nb_streams;k++) {
1919
            ist = ist_table[j++];
1920
            ist->st = is->streams[k];
1921
            ist->file_index = i;
1922
            ist->index = k;
1923
            ist->discard = 1; /* the stream is discarded by default
1924
                                 (changed later) */
1925 bdfcbbed Max Krasnyansky
1926 3a25ca18 Stefano Sabatini
            if (rate_emu) {
1927 bdfcbbed Max Krasnyansky
                ist->start = av_gettime();
1928
            }
1929 85f07f22 Fabrice Bellard
        }
1930
    }
1931
1932
    /* output stream init */
1933
    nb_ostreams = 0;
1934
    for(i=0;i<nb_output_files;i++) {
1935
        os = output_files[i];
1936 bb62d5c1 Anton Khirnov
        if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1937 610219a5 Anton Khirnov
            av_dump_format(output_files[i], i, output_files[i]->filename, 1);
1938 fc5d0db5 Stefano Sabatini
            fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1939 d62ccec8 Jai Menon
            ret = AVERROR(EINVAL);
1940
            goto fail;
1941 8a7bde1c Baptiste Coudurier
        }
1942 85f07f22 Fabrice Bellard
        nb_ostreams += os->nb_streams;
1943
    }
1944
    if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1945
        fprintf(stderr, "Number of stream maps must match number of output streams\n");
1946 d62ccec8 Jai Menon
        ret = AVERROR(EINVAL);
1947
        goto fail;
1948 85f07f22 Fabrice Bellard
    }
1949
1950 bd073980 Brian Foley
    /* Sanity check the mapping args -- do the input files & streams exist? */
1951
    for(i=0;i<nb_stream_maps;i++) {
1952
        int fi = stream_maps[i].file_index;
1953
        int si = stream_maps[i].stream_index;
1954 115329f1 Diego Biurrun
1955 bd073980 Brian Foley
        if (fi < 0 || fi > nb_input_files - 1 ||
1956
            si < 0 || si > file_table[fi].nb_streams - 1) {
1957
            fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1958 d62ccec8 Jai Menon
            ret = AVERROR(EINVAL);
1959
            goto fail;
1960 bd073980 Brian Foley
        }
1961 b4a3389e Wolfram Gloger
        fi = stream_maps[i].sync_file_index;
1962
        si = stream_maps[i].sync_stream_index;
1963
        if (fi < 0 || fi > nb_input_files - 1 ||
1964
            si < 0 || si > file_table[fi].nb_streams - 1) {
1965
            fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1966 d62ccec8 Jai Menon
            ret = AVERROR(EINVAL);
1967
            goto fail;
1968 b4a3389e Wolfram Gloger
        }
1969 bd073980 Brian Foley
    }
1970 115329f1 Diego Biurrun
1971 85f07f22 Fabrice Bellard
    ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1972
    if (!ost_table)
1973
        goto fail;
1974
    n = 0;
1975
    for(k=0;k<nb_output_files;k++) {
1976
        os = output_files[k];
1977 de427ff4 Stefano Sabatini
        for(i=0;i<os->nb_streams;i++,n++) {
1978 85f07f22 Fabrice Bellard
            int found;
1979 9fdf4b58 Nicolas George
            ost = ost_table[n] = output_streams_for_file[k][i];
1980 85f07f22 Fabrice Bellard
            ost->st = os->streams[i];
1981
            if (nb_stream_maps > 0) {
1982 de427ff4 Stefano Sabatini
                ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1983
                    stream_maps[n].stream_index;
1984 115329f1 Diego Biurrun
1985 bd073980 Brian Foley
                /* Sanity check that the stream types match */
1986 01f4895c Michael Niedermayer
                if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1987 150d5a25 Stefano Sabatini
                    int i= ost->file_index;
1988 610219a5 Anton Khirnov
                    av_dump_format(output_files[i], i, output_files[i]->filename, 1);
1989 bd073980 Brian Foley
                    fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1990 de427ff4 Stefano Sabatini
                        stream_maps[n].file_index, stream_maps[n].stream_index,
1991 bd073980 Brian Foley
                        ost->file_index, ost->index);
1992 639e4ec8 Stefano Sabatini
                    ffmpeg_exit(1);
1993 bd073980 Brian Foley
                }
1994 115329f1 Diego Biurrun
1995 85f07f22 Fabrice Bellard
            } else {
1996 247e3954 Michael Niedermayer
                int best_nb_frames=-1;
1997 3f1710e7 Ramiro Polla
                /* get corresponding input stream index : we select the first one with the right type */
1998
                found = 0;
1999
                for(j=0;j<nb_istreams;j++) {
2000
                    int skip=0;
2001
                    ist = ist_table[j];
2002
                    if(opt_programid){
2003
                        int pi,si;
2004
                        AVFormatContext *f= input_files[ ist->file_index ];
2005
                        skip=1;
2006
                        for(pi=0; pi<f->nb_programs; pi++){
2007
                            AVProgram *p= f->programs[pi];
2008
                            if(p->id == opt_programid)
2009
                                for(si=0; si<p->nb_stream_indexes; si++){
2010
                                    if(f->streams[ p->stream_index[si] ] == ist->st)
2011
                                        skip=0;
2012
                                }
2013 6d3d3b83 Michael Niedermayer
                        }
2014 3f1710e7 Ramiro Polla
                    }
2015
                    if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2016
                        ist->st->codec->codec_type == ost->st->codec->codec_type) {
2017
                        if(best_nb_frames < ist->st->codec_info_nb_frames){
2018
                            best_nb_frames= ist->st->codec_info_nb_frames;
2019
                            ost->source_index = j;
2020
                            found = 1;
2021 85f07f22 Fabrice Bellard
                        }
2022
                    }
2023 3f1710e7 Ramiro Polla
                }
2024 a15bc651 Nico Sabbi
2025
                if (!found) {
2026
                    if(! opt_programid) {
2027
                        /* try again and reuse existing stream */
2028
                        for(j=0;j<nb_istreams;j++) {
2029
                            ist = ist_table[j];
2030 6d3d3b83 Michael Niedermayer
                            if (   ist->st->codec->codec_type == ost->st->codec->codec_type
2031
                                && ist->st->discard != AVDISCARD_ALL) {
2032 a15bc651 Nico Sabbi
                                ost->source_index = j;
2033
                                found = 1;
2034
                            }
2035
                        }
2036 50e143c4 Nico Sabbi
                    }
2037 85f07f22 Fabrice Bellard
                    if (!found) {
2038 462cca10 Stefano Sabatini
                        int i= ost->file_index;
2039 610219a5 Anton Khirnov
                        av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2040 85f07f22 Fabrice Bellard
                        fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2041
                                ost->file_index, ost->index);
2042 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2043 85f07f22 Fabrice Bellard
                    }
2044
                }
2045
            }
2046
            ist = ist_table[ost->source_index];
2047
            ist->discard = 0;
2048 b4a3389e Wolfram Gloger
            ost->sync_ist = (nb_stream_maps > 0) ?
2049 de427ff4 Stefano Sabatini
                ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2050
                         stream_maps[n].sync_stream_index] : ist;
2051 85f07f22 Fabrice Bellard
        }
2052
    }
2053
2054
    /* for each output stream, we compute the right encoding parameters */
2055
    for(i=0;i<nb_ostreams;i++) {
2056
        ost = ost_table[i];
2057 365515ac Michael Niedermayer
        os = output_files[ost->file_index];
2058 85f07f22 Fabrice Bellard
        ist = ist_table[ost->source_index];
2059
2060 01f4895c Michael Niedermayer
        codec = ost->st->codec;
2061
        icodec = ist->st->codec;
2062 85f07f22 Fabrice Bellard
2063 d0abe80a Anton Khirnov
        if (metadata_streams_autocopy)
2064 7f88a5bf Ronald S. Bultje
            av_metadata_copy(&ost->st->metadata, ist->st->metadata,
2065
                             AV_METADATA_DONT_OVERWRITE);
2066 8e0d882b Aurelien Jacobs
2067 90c2295b Evgeniy Stepanov
        ost->st->disposition = ist->st->disposition;
2068 a39b76ea Michael Niedermayer
        codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2069 de961801 David Conrad
        codec->chroma_sample_location = icodec->chroma_sample_location;
2070 90c2295b Evgeniy Stepanov
2071 1629626f Fabrice Bellard
        if (ost->st->stream_copy) {
2072 b659c8b4 Luca Abeni
            uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2073
2074
            if (extra_size > INT_MAX)
2075
                goto fail;
2076
2077 1629626f Fabrice Bellard
            /* if stream_copy is selected, no need to decode or encode */
2078
            codec->codec_id = icodec->codec_id;
2079
            codec->codec_type = icodec->codec_type;
2080 365515ac Michael Niedermayer
2081
            if(!codec->codec_tag){
2082
                if(   !os->oformat->codec_tag
2083 37ce3d6b Michael Niedermayer
                   || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2084 365515ac Michael Niedermayer
                   || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2085
                    codec->codec_tag = icodec->codec_tag;
2086
            }
2087
2088 1629626f Fabrice Bellard
            codec->bit_rate = icodec->bit_rate;
2089 2dec2bb8 Michael Niedermayer
            codec->rc_max_rate    = icodec->rc_max_rate;
2090
            codec->rc_buffer_size = icodec->rc_buffer_size;
2091 b659c8b4 Luca Abeni
            codec->extradata= av_mallocz(extra_size);
2092
            if (!codec->extradata)
2093
                goto fail;
2094
            memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2095 dffbfd06 Michael Niedermayer
            codec->extradata_size= icodec->extradata_size;
2096 59e2118e Michael Niedermayer
            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){
2097 d29de719 Michael Niedermayer
                codec->time_base = icodec->time_base;
2098 3797c74b Michael Niedermayer
                codec->time_base.num *= icodec->ticks_per_frame;
2099 8abcbf2d Baptiste Coudurier
                av_reduce(&codec->time_base.num, &codec->time_base.den,
2100
                          codec->time_base.num, codec->time_base.den, INT_MAX);
2101 3797c74b Michael Niedermayer
            }else
2102 d29de719 Michael Niedermayer
                codec->time_base = ist->st->time_base;
2103 1629626f Fabrice Bellard
            switch(codec->codec_type) {
2104 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:
2105 d08e3e91 Ramiro Polla
                if(audio_volume != 256) {
2106
                    fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2107 639e4ec8 Stefano Sabatini
                    ffmpeg_exit(1);
2108 d08e3e91 Ramiro Polla
                }
2109 13367a46 Benjamin Larsson
                codec->channel_layout = icodec->channel_layout;
2110 1629626f Fabrice Bellard
                codec->sample_rate = icodec->sample_rate;
2111
                codec->channels = icodec->channels;
2112 0a3b0447 Michael Niedermayer
                codec->frame_size = icodec->frame_size;
2113 34b47d7c Justin Ruggles
                codec->audio_service_type = icodec->audio_service_type;
2114 c1344911 Michael Niedermayer
                codec->block_align= icodec->block_align;
2115 4efd6f58 Michael Niedermayer
                if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2116
                    codec->block_align= 0;
2117 bcbd328e Michael Niedermayer
                if(codec->codec_id == CODEC_ID_AC3)
2118
                    codec->block_align= 0;
2119 1629626f Fabrice Bellard
                break;
2120 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
2121 9df3437f Baptiste Coudurier
                codec->pix_fmt = icodec->pix_fmt;
2122 1629626f Fabrice Bellard
                codec->width = icodec->width;
2123
                codec->height = icodec->height;
2124 ff8cc24b Michael Niedermayer
                codec->has_b_frames = icodec->has_b_frames;
2125 1629626f Fabrice Bellard
                break;
2126 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_SUBTITLE:
2127 d43b26ea David Conrad
                codec->width = icodec->width;
2128
                codec->height = icodec->height;
2129 cf7fc795 Fabrice Bellard
                break;
2130 1629626f Fabrice Bellard
            default:
2131 0f4e8165 Ronald S. Bultje
                abort();
2132 1629626f Fabrice Bellard
            }
2133
        } else {
2134
            switch(codec->codec_type) {
2135 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:
2136 41dd680d Michael Niedermayer
                ost->fifo= av_fifo_alloc(1024);
2137
                if(!ost->fifo)
2138 85f07f22 Fabrice Bellard
                    goto fail;
2139 5d6e4c16 Stefano Sabatini
                ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2140 2886f311 Andreas Öman
                ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2141
                icodec->request_channels = codec->channels;
2142 85f07f22 Fabrice Bellard
                ist->decoding_needed = 1;
2143
                ost->encoding_needed = 1;
2144 8afab686 Stefano Sabatini
                ost->resample_sample_fmt  = icodec->sample_fmt;
2145
                ost->resample_sample_rate = icodec->sample_rate;
2146
                ost->resample_channels    = icodec->channels;
2147 1629626f Fabrice Bellard
                break;
2148 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
2149 761c8c92 Baptiste Coudurier
                if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2150 562f22a6 Ronald S. Bultje
                    fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2151 639e4ec8 Stefano Sabatini
                    ffmpeg_exit(1);
2152 761c8c92 Baptiste Coudurier
                }
2153 5879ea6d Stefano Sabatini
                ost->video_resample = (codec->width != icodec->width   ||
2154
                                       codec->height != icodec->height ||
2155 18a54b04 Luca Abeni
                        (codec->pix_fmt != icodec->pix_fmt));
2156 c3f11d19 Luca Abeni
                if (ost->video_resample) {
2157 8a774d3d Baptiste Coudurier
#if !CONFIG_AVFILTER
2158 2de28abb Michael Niedermayer
                    avcodec_get_frame_defaults(&ost->pict_tmp);
2159 9d58e0a9 Baptiste Coudurier
                    if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2160
                                         codec->width, codec->height)) {
2161 eddc482d Baptiste Coudurier
                        fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2162 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2163 eddc482d Baptiste Coudurier
                    }
2164 9de8e6ac Ronald S. Bultje
                    sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2165 18a54b04 Luca Abeni
                    ost->img_resample_ctx = sws_getContext(
2166 5879ea6d Stefano Sabatini
                        icodec->width,
2167
                        icodec->height,
2168 18a54b04 Luca Abeni
                            icodec->pix_fmt,
2169 0c22311b Michael Niedermayer
                            codec->width,
2170
                            codec->height,
2171 18a54b04 Luca Abeni
                            codec->pix_fmt,
2172
                            sws_flags, NULL, NULL, NULL);
2173 0b50ac8a Luca Abeni
                    if (ost->img_resample_ctx == NULL) {
2174
                        fprintf(stderr, "Cannot get resampling context\n");
2175 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2176 0b50ac8a Luca Abeni
                    }
2177 352666c1 Eric Buehl
2178
                    ost->original_height = icodec->height;
2179
                    ost->original_width  = icodec->width;
2180 46847a33 Michael Niedermayer
#endif
2181 a39b76ea Michael Niedermayer
                    codec->bits_per_raw_sample= 0;
2182 85f07f22 Fabrice Bellard
                }
2183 5879ea6d Stefano Sabatini
                ost->resample_height = icodec->height;
2184
                ost->resample_width  = icodec->width;
2185 b83ccbff Michael Niedermayer
                ost->resample_pix_fmt= icodec->pix_fmt;
2186 85f07f22 Fabrice Bellard
                ost->encoding_needed = 1;
2187
                ist->decoding_needed = 1;
2188 46847a33 Michael Niedermayer
2189
#if CONFIG_AVFILTER
2190
                if (configure_filters(ist, ost)) {
2191
                    fprintf(stderr, "Error opening filters!\n");
2192
                    exit(1);
2193
                }
2194
#endif
2195 1629626f Fabrice Bellard
                break;
2196 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_SUBTITLE:
2197 cf7fc795 Fabrice Bellard
                ost->encoding_needed = 1;
2198
                ist->decoding_needed = 1;
2199
                break;
2200 1629626f Fabrice Bellard
            default:
2201 0f4e8165 Ronald S. Bultje
                abort();
2202 cf7fc795 Fabrice Bellard
                break;
2203 85f07f22 Fabrice Bellard
            }
2204 1629626f Fabrice Bellard
            /* two pass mode */
2205 115329f1 Diego Biurrun
            if (ost->encoding_needed &&
2206 1629626f Fabrice Bellard
                (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2207
                char logfilename[1024];
2208
                FILE *f;
2209 115329f1 Diego Biurrun
2210
                snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2211 22730e87 Stefano Sabatini
                         pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2212
                         i);
2213 1629626f Fabrice Bellard
                if (codec->flags & CODEC_FLAG_PASS1) {
2214 c56e9e05 Ramiro Polla
                    f = fopen(logfilename, "wb");
2215 1629626f Fabrice Bellard
                    if (!f) {
2216 42d1d06e Stefano Sabatini
                        fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2217 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2218 1629626f Fabrice Bellard
                    }
2219
                    ost->logfile = f;
2220
                } else {
2221 458b062d Stefano Sabatini
                    char  *logbuffer;
2222
                    size_t logbuffer_size;
2223
                    if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2224
                        fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2225 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2226 1629626f Fabrice Bellard
                    }
2227
                    codec->stats_in = logbuffer;
2228 5abdb4b1 Fabrice Bellard
                }
2229
            }
2230
        }
2231 72415b2a Stefano Sabatini
        if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2232 8a6cb114 Michael Niedermayer
            int size= codec->width * codec->height;
2233 c027e91a Peter Ross
            bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2234 8a6cb114 Michael Niedermayer
        }
2235 85f07f22 Fabrice Bellard
    }
2236
2237 8a6cb114 Michael Niedermayer
    if (!bit_buffer)
2238
        bit_buffer = av_malloc(bit_buffer_size);
2239 002c95d7 Baptiste Coudurier
    if (!bit_buffer) {
2240 50f3fabc Måns Rullgård
        fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2241
                bit_buffer_size);
2242 002c95d7 Baptiste Coudurier
        ret = AVERROR(ENOMEM);
2243 8a6cb114 Michael Niedermayer
        goto fail;
2244 1629626f Fabrice Bellard
    }
2245
2246 85f07f22 Fabrice Bellard
    /* open each encoder */
2247
    for(i=0;i<nb_ostreams;i++) {
2248
        ost = ost_table[i];
2249
        if (ost->encoding_needed) {
2250 0a6d97b3 Aurelien Jacobs
            AVCodec *codec = i < nb_output_codecs ? output_codecs[i] : NULL;
2251 cb2c971d Aurelien Jacobs
            AVCodecContext *dec = ist_table[ost->source_index]->st->codec;
2252 6488cf9b Aurelien Jacobs
            if (!codec)
2253 fd2b356a Aurelien Jacobs
                codec = avcodec_find_encoder(ost->st->codec->codec_id);
2254 85f07f22 Fabrice Bellard
            if (!codec) {
2255 f356fc57 Baptiste Coudurier
                snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2256
                         ost->st->codec->codec_id, ost->file_index, ost->index);
2257 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2258
                goto dump_format;
2259 85f07f22 Fabrice Bellard
            }
2260 cb2c971d Aurelien Jacobs
            if (dec->subtitle_header) {
2261
                ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2262
                if (!ost->st->codec->subtitle_header) {
2263
                    ret = AVERROR(ENOMEM);
2264
                    goto dump_format;
2265
                }
2266
                memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2267
                ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2268
            }
2269 01f4895c Michael Niedermayer
            if (avcodec_open(ost->st->codec, codec) < 0) {
2270 f356fc57 Baptiste Coudurier
                snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2271 85f07f22 Fabrice Bellard
                        ost->file_index, ost->index);
2272 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2273
                goto dump_format;
2274 85f07f22 Fabrice Bellard
            }
2275 01f4895c Michael Niedermayer
            extra_size += ost->st->codec->extradata_size;
2276 85f07f22 Fabrice Bellard
        }
2277
    }
2278
2279
    /* open each decoder */
2280
    for(i=0;i<nb_istreams;i++) {
2281
        ist = ist_table[i];
2282
        if (ist->decoding_needed) {
2283 311e223f Aurelien Jacobs
            AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL;
2284 6488cf9b Aurelien Jacobs
            if (!codec)
2285 fd2b356a Aurelien Jacobs
                codec = avcodec_find_decoder(ist->st->codec->codec_id);
2286 85f07f22 Fabrice Bellard
            if (!codec) {
2287 f356fc57 Baptiste Coudurier
                snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2288 01f4895c Michael Niedermayer
                        ist->st->codec->codec_id, ist->file_index, ist->index);
2289 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2290
                goto dump_format;
2291 85f07f22 Fabrice Bellard
            }
2292 01f4895c Michael Niedermayer
            if (avcodec_open(ist->st->codec, codec) < 0) {
2293 f356fc57 Baptiste Coudurier
                snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2294 85f07f22 Fabrice Bellard
                        ist->file_index, ist->index);
2295 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2296
                goto dump_format;
2297 85f07f22 Fabrice Bellard
            }
2298 72415b2a Stefano Sabatini
            //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2299 01f4895c Michael Niedermayer
            //    ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2300 85f07f22 Fabrice Bellard
        }
2301
    }
2302
2303
    /* init pts */
2304
    for(i=0;i<nb_istreams;i++) {
2305 b8c93c48 Michael Niedermayer
        AVStream *st;
2306 85f07f22 Fabrice Bellard
        ist = ist_table[i];
2307 b8c93c48 Michael Niedermayer
        st= ist->st;
2308
        ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2309 48291040 Michael Niedermayer
        ist->next_pts = AV_NOPTS_VALUE;
2310 0ff4f0c0 Alexander Strange
        init_pts_correction(&ist->pts_ctx);
2311 ff4905a5 Michael Niedermayer
        ist->is_start = 1;
2312 85f07f22 Fabrice Bellard
    }
2313 c5e1e982 Justin Johnson
2314 0a38bafd Patrice Bensoussan
    /* set meta data information from input file if required */
2315
    for (i=0;i<nb_meta_data_maps;i++) {
2316 1829e195 Anton Khirnov
        AVFormatContext *files[2];
2317
        AVMetadata      **meta[2];
2318
        int j;
2319 0a38bafd Patrice Bensoussan
2320 1829e195 Anton Khirnov
#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2321
        if ((index) < 0 || (index) >= (nb_elems)) {\
2322
            snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\
2323
                     (desc), (index));\
2324
            ret = AVERROR(EINVAL);\
2325
            goto dump_format;\
2326 115329f1 Diego Biurrun
        }
2327
2328 1829e195 Anton Khirnov
        int out_file_index = meta_data_maps[i][0].file;
2329
        int in_file_index = meta_data_maps[i][1].file;
2330 7b393736 Anton Khirnov
        if (in_file_index < 0 || out_file_index < 0)
2331
            continue;
2332 1829e195 Anton Khirnov
        METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
2333
        METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
2334 0a38bafd Patrice Bensoussan
2335 1829e195 Anton Khirnov
        files[0] = output_files[out_file_index];
2336
        files[1] = input_files[in_file_index];
2337
2338
        for (j = 0; j < 2; j++) {
2339
            AVMetaDataMap *map = &meta_data_maps[i][j];
2340
2341
            switch (map->type) {
2342
            case 'g':
2343
                meta[j] = &files[j]->metadata;
2344
                break;
2345
            case 's':
2346
                METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
2347
                meta[j] = &files[j]->streams[map->index]->metadata;
2348
                break;
2349
            case 'c':
2350
                METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
2351
                meta[j] = &files[j]->chapters[map->index]->metadata;
2352
                break;
2353
            case 'p':
2354
                METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
2355
                meta[j] = &files[j]->programs[map->index]->metadata;
2356
                break;
2357
            }
2358
        }
2359 a5926d85 Aurelien Jacobs
2360 7f88a5bf Ronald S. Bultje
        av_metadata_copy(meta[0], *meta[1], AV_METADATA_DONT_OVERWRITE);
2361 0a38bafd Patrice Bensoussan
    }
2362 115329f1 Diego Biurrun
2363 477b1aea Anton Khirnov
    /* copy global metadata by default */
2364
    if (metadata_global_autocopy) {
2365
2366 8e8a3cc2 Ronald S. Bultje
        for (i = 0; i < nb_output_files; i++)
2367 7f88a5bf Ronald S. Bultje
            av_metadata_copy(&output_files[i]->metadata, input_files[0]->metadata,
2368
                             AV_METADATA_DONT_OVERWRITE);
2369 477b1aea Anton Khirnov
    }
2370
2371 91e96eba Anton Khirnov
    /* copy chapters according to chapter maps */
2372
    for (i = 0; i < nb_chapter_maps; i++) {
2373
        int infile  = chapter_maps[i].in_file;
2374
        int outfile = chapter_maps[i].out_file;
2375
2376
        if (infile < 0 || outfile < 0)
2377
            continue;
2378
        if (infile >= nb_input_files) {
2379
            snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile);
2380
            ret = AVERROR(EINVAL);
2381
            goto dump_format;
2382
        }
2383
        if (outfile >= nb_output_files) {
2384
            snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile);
2385
            ret = AVERROR(EINVAL);
2386
            goto dump_format;
2387
        }
2388
        copy_chapters(infile, outfile);
2389
    }
2390
2391 7a39f142 Anton Khirnov
    /* copy chapters from the first input file that has them*/
2392 91e96eba Anton Khirnov
    if (!nb_chapter_maps)
2393 a9c2bf9d Anton Khirnov
        for (i = 0; i < nb_input_files; i++) {
2394
            if (!input_files[i]->nb_chapters)
2395
                continue;
2396 7a39f142 Anton Khirnov
2397 a9c2bf9d Anton Khirnov
            for (j = 0; j < nb_output_files; j++)
2398
                if ((ret = copy_chapters(i, j)) < 0)
2399
                    goto dump_format;
2400 09f47fa4 Anton Khirnov
            break;
2401 a9c2bf9d Anton Khirnov
        }
2402 7a39f142 Anton Khirnov
2403 85f07f22 Fabrice Bellard
    /* open files and write file headers */
2404
    for(i=0;i<nb_output_files;i++) {
2405
        os = output_files[i];
2406 79fdaa4c Fabrice Bellard
        if (av_write_header(os) < 0) {
2407 002c95d7 Baptiste Coudurier
            snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2408 8fa36ae0 François Revol
            ret = AVERROR(EINVAL);
2409 002c95d7 Baptiste Coudurier
            goto dump_format;
2410 a38469e1 Fabrice Bellard
        }
2411 6d1ba1ac Luca Abeni
        if (strcmp(output_files[i]->oformat->name, "rtp")) {
2412
            want_sdp = 0;
2413
        }
2414
    }
2415 002c95d7 Baptiste Coudurier
2416
 dump_format:
2417
    /* dump the file output parameters - cannot be done before in case
2418
       of stream copy */
2419
    for(i=0;i<nb_output_files;i++) {
2420 610219a5 Anton Khirnov
        av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2421 002c95d7 Baptiste Coudurier
    }
2422
2423
    /* dump the stream mapping */
2424
    if (verbose >= 0) {
2425
        fprintf(stderr, "Stream mapping:\n");
2426
        for(i=0;i<nb_ostreams;i++) {
2427
            ost = ost_table[i];
2428
            fprintf(stderr, "  Stream #%d.%d -> #%d.%d",
2429
                    ist_table[ost->source_index]->file_index,
2430
                    ist_table[ost->source_index]->index,
2431
                    ost->file_index,
2432
                    ost->index);
2433
            if (ost->sync_ist != ist_table[ost->source_index])
2434
                fprintf(stderr, " [sync #%d.%d]",
2435
                        ost->sync_ist->file_index,
2436
                        ost->sync_ist->index);
2437
            fprintf(stderr, "\n");
2438
        }
2439
    }
2440
2441
    if (ret) {
2442
        fprintf(stderr, "%s\n", error);
2443
        goto fail;
2444
    }
2445
2446 6d1ba1ac Luca Abeni
    if (want_sdp) {
2447
        print_sdp(output_files, nb_output_files);
2448 85f07f22 Fabrice Bellard
    }
2449
2450 9d58e0a9 Baptiste Coudurier
    if (!using_stdin && verbose >= 0) {
2451 b58b9fa3 Dave Yeo
#if HAVE_KBHIT
2452 d9a916e2 Charles Yates
        fprintf(stderr, "Press [q] to stop encoding\n");
2453 cb48e245 Panagiotis H.M. Issaris
#else
2454
        fprintf(stderr, "Press ctrl-c to stop encoding\n");
2455
#endif
2456 80c6e238 Anton Khirnov
        avio_set_interrupt_cb(decode_interrupt_cb);
2457 b51469a0 Leon van Stuivenberg
    }
2458 a38469e1 Fabrice Bellard
    term_init();
2459
2460 7fc98937 Limin Wang
    timer_start = av_gettime();
2461 51bd4565 Philip Gladstone
2462 d9a916e2 Charles Yates
    for(; received_sigterm == 0;) {
2463 85f07f22 Fabrice Bellard
        int file_index, ist_index;
2464
        AVPacket pkt;
2465 a9aeda81 Patrice Bensoussan
        double ipts_min;
2466
        double opts_min;
2467 23ffe323 Michael Niedermayer
2468 85f07f22 Fabrice Bellard
    redo:
2469 a9aeda81 Patrice Bensoussan
        ipts_min= 1e100;
2470
        opts_min= 1e100;
2471 a38469e1 Fabrice Bellard
        /* if 'q' pressed, exits */
2472 d9a916e2 Charles Yates
        if (!using_stdin) {
2473 b51469a0 Leon van Stuivenberg
            if (q_pressed)
2474
                break;
2475 cb09b2ed Philip Gladstone
            /* read_key() returns 0 on EOF */
2476
            key = read_key();
2477
            if (key == 'q')
2478
                break;
2479
        }
2480 a38469e1 Fabrice Bellard
2481 ec5517d5 Fabrice Bellard
        /* select the stream that we must read now by looking at the
2482
           smallest output pts */
2483 85f07f22 Fabrice Bellard
        file_index = -1;
2484 ec5517d5 Fabrice Bellard
        for(i=0;i<nb_ostreams;i++) {
2485 23ffe323 Michael Niedermayer
            double ipts, opts;
2486 ec5517d5 Fabrice Bellard
            ost = ost_table[i];
2487
            os = output_files[ost->file_index];
2488
            ist = ist_table[ost->source_index];
2489 55a7e946 Wolfram Gloger
            if(ist->is_past_recording_time || no_packet[ist->file_index])
2490 545465ec Michael Niedermayer
                continue;
2491 c0df9d75 Michael Niedermayer
                opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2492 23ffe323 Michael Niedermayer
            ipts = (double)ist->pts;
2493
            if (!file_table[ist->file_index].eof_reached){
2494
                if(ipts < ipts_min) {
2495
                    ipts_min = ipts;
2496
                    if(input_sync ) file_index = ist->file_index;
2497
                }
2498
                if(opts < opts_min) {
2499
                    opts_min = opts;
2500
                    if(!input_sync) file_index = ist->file_index;
2501
                }
2502 85f07f22 Fabrice Bellard
            }
2503 01f4895c Michael Niedermayer
            if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2504 7ca60994 Michael Niedermayer
                file_index= -1;
2505
                break;
2506
            }
2507 85f07f22 Fabrice Bellard
        }
2508
        /* if none, if is finished */
2509 51bd4565 Philip Gladstone
        if (file_index < 0) {
2510 545465ec Michael Niedermayer
            if(no_packet_count){
2511
                no_packet_count=0;
2512
                memset(no_packet, 0, sizeof(no_packet));
2513 d61f30a7 Michael Niedermayer
                usleep(10000);
2514 545465ec Michael Niedermayer
                continue;
2515
            }
2516 85f07f22 Fabrice Bellard
            break;
2517 ec5517d5 Fabrice Bellard
        }
2518
2519 b6e16b86 Calcium
        /* finish if limit size exhausted */
2520 a2704c97 Anton Khirnov
        if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2521 b6e16b86 Calcium
            break;
2522
2523 254abc2e Fabrice Bellard
        /* read a frame from it and output it in the fifo */
2524 85f07f22 Fabrice Bellard
        is = input_files[file_index];
2525 ad51c68c Michael Niedermayer
        ret= av_read_frame(is, &pkt);
2526 b9edbe99