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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 b78e7197 Diego Biurrun
 * This file is part of FFmpeg.
6
 *
7
 * FFmpeg 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 b78e7197 Diego Biurrun
 * FFmpeg 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 b78e7197 Diego Biurrun
 * License along with FFmpeg; 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 126b638e Stefano Sabatini
#include "libavcore/parseutils.h"
40 ba7d6e79 Stefano Sabatini
#include "libavcore/samplefmt.h"
41 2b4abbd6 Stefano Sabatini
#include "libavutil/colorspace.h"
42 245976da Diego Biurrun
#include "libavutil/fifo.h"
43 2839dc97 Stefano Sabatini
#include "libavutil/intreadwrite.h"
44 718c7b18 Stefano Sabatini
#include "libavutil/pixdesc.h"
45 245976da Diego Biurrun
#include "libavutil/avstring.h"
46 335ee1aa Måns Rullgård
#include "libavutil/libm.h"
47 245976da Diego Biurrun
#include "libavformat/os_support.h"
48 daf8e955 Fabrice Bellard
49 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
50
# include "libavfilter/avfilter.h"
51
# include "libavfilter/avfiltergraph.h"
52
# include "libavfilter/vsrc_buffer.h"
53
#endif
54
55 b250f9c6 Aurelien Jacobs
#if HAVE_SYS_RESOURCE_H
56 0a1b29de Dave Yeo
#include <sys/types.h>
57 fc5607f8 Reimar Döffinger
#include <sys/time.h>
58 b091aa44 Ramiro Polla
#include <sys/resource.h>
59 b250f9c6 Aurelien Jacobs
#elif HAVE_GETPROCESSTIMES
60 7495c306 Ramiro Polla
#include <windows.h>
61
#endif
62 fc5607f8 Reimar Döffinger
#if HAVE_GETPROCESSMEMORYINFO
63
#include <windows.h>
64
#include <psapi.h>
65
#endif
66 7495c306 Ramiro Polla
67 b250f9c6 Aurelien Jacobs
#if HAVE_SYS_SELECT_H
68 fb1d2d7b Baptiste Coudurier
#include <sys/select.h>
69
#endif
70
71 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
72 85f07f22 Fabrice Bellard
#include <fcntl.h>
73
#include <sys/ioctl.h>
74
#include <sys/time.h>
75
#include <termios.h>
76 b250f9c6 Aurelien Jacobs
#elif HAVE_CONIO_H
77 4b54c6d0 Ramiro Polla
#include <conio.h>
78 bdc4796f Fabrice Bellard
#endif
79 bf5af568 Fabrice Bellard
#include <time.h>
80 85f07f22 Fabrice Bellard
81 01310af2 Fabrice Bellard
#include "cmdutils.h"
82
83 b64b4134 Måns Rullgård
#include "libavutil/avassert.h"
84 2b18dcd0 Michael Niedermayer
85 64555bd9 Michael Niedermayer
const char program_name[] = "FFmpeg";
86 ea9c581f Stefano Sabatini
const int program_birth_year = 2000;
87 86074ed1 Stefano Sabatini
88 85f07f22 Fabrice Bellard
/* select an input stream for an output stream */
89
typedef struct AVStreamMap {
90
    int file_index;
91
    int stream_index;
92 b4a3389e Wolfram Gloger
    int sync_file_index;
93
    int sync_stream_index;
94 85f07f22 Fabrice Bellard
} AVStreamMap;
95
96 3f07e8db Michael Niedermayer
/**
97
 * select an input file for an output file
98
 */
99 0a38bafd Patrice Bensoussan
typedef struct AVMetaDataMap {
100 1829e195 Anton Khirnov
    int  file;      //< file index
101
    char type;      //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
102
    int  index;     //< stream/chapter/program number
103 0a38bafd Patrice Bensoussan
} AVMetaDataMap;
104
105 91e96eba Anton Khirnov
typedef struct AVChapterMap {
106
    int in_file;
107
    int out_file;
108
} AVChapterMap;
109
110 580a6c57 Diego Pettenò
static const OptionDef options[];
111 85f07f22 Fabrice Bellard
112 60402344 Jai Menon
#define MAX_FILES 100
113 84fd51e5 Aurelien Jacobs
#if !FF_API_MAX_STREAMS
114
#define MAX_STREAMS 1024    /* arbitrary sanity check value */
115
#endif
116 85f07f22 Fabrice Bellard
117 ef6fc647 Stefano Sabatini
static const char *last_asked_format = NULL;
118 85f07f22 Fabrice Bellard
static AVFormatContext *input_files[MAX_FILES];
119 a6a92a9a Wolfram Gloger
static int64_t input_files_ts_offset[MAX_FILES];
120 2c6958aa Aurelien Jacobs
static double *input_files_ts_scale[MAX_FILES] = {NULL};
121 311e223f Aurelien Jacobs
static AVCodec **input_codecs = NULL;
122 85f07f22 Fabrice Bellard
static int nb_input_files = 0;
123 311e223f Aurelien Jacobs
static int nb_input_codecs = 0;
124 2c6958aa Aurelien Jacobs
static int nb_input_files_ts_scale[MAX_FILES] = {0};
125 85f07f22 Fabrice Bellard
126
static AVFormatContext *output_files[MAX_FILES];
127 0a6d97b3 Aurelien Jacobs
static AVCodec **output_codecs = NULL;
128 85f07f22 Fabrice Bellard
static int nb_output_files = 0;
129 0a6d97b3 Aurelien Jacobs
static int nb_output_codecs = 0;
130 85f07f22 Fabrice Bellard
131 3a8e8824 Aurelien Jacobs
static AVStreamMap *stream_maps = NULL;
132 85f07f22 Fabrice Bellard
static int nb_stream_maps;
133
134 1829e195 Anton Khirnov
/* first item specifies output metadata, second is input */
135
static AVMetaDataMap (*meta_data_maps)[2] = NULL;
136 0a38bafd Patrice Bensoussan
static int nb_meta_data_maps;
137 d0abe80a Anton Khirnov
static int metadata_streams_autocopy  = 1;
138
static int metadata_chapters_autocopy = 1;
139 0a38bafd Patrice Bensoussan
140 91e96eba Anton Khirnov
static AVChapterMap *chapter_maps = NULL;
141
static int nb_chapter_maps;
142
143 006e8108 Mike Scheutzow
/* indexed by output file stream index */
144 e640f261 Aurelien Jacobs
static int *streamid_map = NULL;
145
static int nb_streamid_map = 0;
146 006e8108 Mike Scheutzow
147 55cf1959 Michael Niedermayer
static int frame_width  = 0;
148
static int frame_height = 0;
149 880e8ba7 Roman Shaposhnik
static float frame_aspect_ratio = 0;
150 644a9262 Michael Niedermayer
static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
151 5d6e4c16 Stefano Sabatini
static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
152 cf7fc795 Fabrice Bellard
static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
153 89129c6b Diego Biurrun
static AVRational frame_rate;
154 158c7f05 Michael Niedermayer
static float video_qscale = 0;
155 84f608f4 Vidar Madsen
static uint16_t *intra_matrix = NULL;
156
static uint16_t *inter_matrix = NULL;
157 464a631c Morten Hustveit
static const char *video_rc_override_string=NULL;
158 85f07f22 Fabrice Bellard
static int video_disable = 0;
159 f3356e9c Michael Niedermayer
static int video_discard = 0;
160 4a897224 Nicolas George
static char *video_codec_name = NULL;
161 83a36b2e Stefano Sabatini
static unsigned int video_codec_tag = 0;
162 0fc2c0f6 Matthieu Crapet
static char *video_language = NULL;
163 85f07f22 Fabrice Bellard
static int same_quality = 0;
164 cfcf0ffd Fabrice Bellard
static int do_deinterlace = 0;
165 bb198e19 Michael Niedermayer
static int top_field_first = -1;
166 f4f3223f Michael Niedermayer
static int me_threshold = 0;
167 1a11cbcc Michael Niedermayer
static int intra_dc_precision = 8;
168 5894e1bb Víctor Paesa
static int loop_input = 0;
169 8108551a Todd Kirby
static int loop_output = AVFMT_NOOUTPUTLOOP;
170 0888fd22 Michael Niedermayer
static int qp_hist = 0;
171 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
172
static char *vfilters = NULL;
173 aa1249b8 Baptiste Coudurier
AVFilterGraph *graph = NULL;
174 46847a33 Michael Niedermayer
#endif
175 85f07f22 Fabrice Bellard
176
static int intra_only = 0;
177
static int audio_sample_rate = 44100;
178 13367a46 Benjamin Larsson
static int64_t channel_layout = 0;
179 c57c770d Justin Ruggles
#define QSCALE_NONE -99999
180
static float audio_qscale = QSCALE_NONE;
181 85f07f22 Fabrice Bellard
static int audio_disable = 0;
182
static int audio_channels = 1;
183 4a897224 Nicolas George
static char  *audio_codec_name = NULL;
184 83a36b2e Stefano Sabatini
static unsigned int audio_codec_tag = 0;
185 cf7fc795 Fabrice Bellard
static char *audio_language = NULL;
186
187 11bf3847 Aurelien Jacobs
static int subtitle_disable = 0;
188 4a897224 Nicolas George
static char *subtitle_codec_name = NULL;
189 cf7fc795 Fabrice Bellard
static char *subtitle_language = NULL;
190 83a36b2e Stefano Sabatini
static unsigned int subtitle_codec_tag = 0;
191 85f07f22 Fabrice Bellard
192 17c88cb0 Michael Niedermayer
static float mux_preload= 0.5;
193
static float mux_max_delay= 0.7;
194 2db3c638 Michael Niedermayer
195 fc7ad2af Stefano Sabatini
static int64_t recording_time = INT64_MAX;
196 8831db5c Michael Niedermayer
static int64_t start_time = 0;
197 25d34458 Stefano Sabatini
static int64_t recording_timestamp = 0;
198 a6a92a9a Wolfram Gloger
static int64_t input_ts_offset = 0;
199 85f07f22 Fabrice Bellard
static int file_overwrite = 0;
200 4bf65e2a Stefano Sabatini
static AVMetadata *metadata;
201 5727b222 Fabrice Bellard
static int do_benchmark = 0;
202 a0663ba4 Fabrice Bellard
static int do_hex_dump = 0;
203 254abc2e Fabrice Bellard
static int do_pkt_dump = 0;
204 43f1708f Juanjo
static int do_psnr = 0;
205 5abdb4b1 Fabrice Bellard
static int do_pass = 0;
206 ad16627f Stefano Sabatini
static char *pass_logfilename_prefix = NULL;
207 1629626f Fabrice Bellard
static int audio_stream_copy = 0;
208
static int video_stream_copy = 0;
209 cf7fc795 Fabrice Bellard
static int subtitle_stream_copy = 0;
210 8858816d Michael Niedermayer
static int video_sync_method= -1;
211 986ebcdb Michael Niedermayer
static int audio_sync_method= 0;
212 d4d226a8 Michael Niedermayer
static float audio_drift_threshold= 0.1;
213 72bd8100 Michael Niedermayer
static int copy_ts= 0;
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 b8919a30 Michael Niedermayer
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 a79db0f7 Peter Ross
    int reformat_pair;
297
    AVAudioConvert *reformat_ctx;
298 41dd680d Michael Niedermayer
    AVFifoBuffer *fifo;     /* for compression: one audio fifo per codec */
299 5abdb4b1 Fabrice Bellard
    FILE *logfile;
300 85f07f22 Fabrice Bellard
} AVOutputStream;
301
302 9fdf4b58 Nicolas George
static AVOutputStream **output_streams_for_file[MAX_FILES] = { NULL };
303
static int nb_output_streams_for_file[MAX_FILES] = { 0 };
304
305 85f07f22 Fabrice Bellard
typedef struct AVInputStream {
306
    int file_index;
307
    int index;
308
    AVStream *st;
309
    int discard;             /* true if stream data should be discarded */
310
    int decoding_needed;     /* true if the packets must be decoded in 'raw_fifo' */
311 0c1a9eda Zdenek Kabelac
    int64_t sample_index;      /* current sample */
312 bdfcbbed Max Krasnyansky
313
    int64_t       start;     /* time when read started */
314 254abc2e Fabrice Bellard
    int64_t       next_pts;  /* synthetic pts for cases where pkt.pts
315
                                is not defined */
316 e7d0374f Roman Shaposhnik
    int64_t       pts;       /* current pts */
317 0ff4f0c0 Alexander Strange
    PtsCorrectionContext pts_ctx;
318 ff4905a5 Michael Niedermayer
    int is_start;            /* is 1 at the start and after a discontinuity */
319 3ff0daf0 Michael Niedermayer
    int showed_multi_packet_warning;
320 55a7e946 Wolfram Gloger
    int is_past_recording_time;
321 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
322 dfd57757 Stefano Sabatini
    AVFilterContext *output_video_filter;
323 46847a33 Michael Niedermayer
    AVFilterContext *input_video_filter;
324
    AVFrame *filter_frame;
325
    int has_filter_frame;
326 ecc8dada S.N. Hemanth Meenakshisundaram
    AVFilterBufferRef *picref;
327 46847a33 Michael Niedermayer
#endif
328 85f07f22 Fabrice Bellard
} AVInputStream;
329
330
typedef struct AVInputFile {
331
    int eof_reached;      /* true if eof reached */
332
    int ist_index;        /* index of first stream in ist_table */
333
    int buffer_size;      /* current total buffer size */
334 79fdaa4c Fabrice Bellard
    int nb_streams;       /* nb streams we are aware of */
335 85f07f22 Fabrice Bellard
} AVInputFile;
336
337 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
338 bdc4796f Fabrice Bellard
339 85f07f22 Fabrice Bellard
/* init terminal so that we can grab keys */
340
static struct termios oldtty;
341 64f6e357 Måns Rullgård
#endif
342 85f07f22 Fabrice Bellard
343 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
344
345
static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
346
{
347 a9f3cb93 Baptiste Coudurier
    AVFilterContext *last_filter, *filter;
348 46847a33 Michael Niedermayer
    /** filter graph containing all filters including input & output */
349
    AVCodecContext *codec = ost->st->codec;
350
    AVCodecContext *icodec = ist->st->codec;
351 f7ead94c Stefano Sabatini
    FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
352 46847a33 Michael Niedermayer
    char args[255];
353 4ddf0d29 Stefano Sabatini
    int ret;
354 46847a33 Michael Niedermayer
355 e15aeea6 Stefano Sabatini
    graph = avfilter_graph_alloc();
356 46847a33 Michael Niedermayer
357 4ddf0d29 Stefano Sabatini
    if ((ret = avfilter_open(&ist->input_video_filter, avfilter_get_by_name("buffer"), "src")) < 0)
358
        return ret;
359 f7ead94c Stefano Sabatini
    if ((ret = avfilter_open(&ist->output_video_filter, &ffsink, "out")) < 0)
360 4ddf0d29 Stefano Sabatini
        return ret;
361 46847a33 Michael Niedermayer
362 94498ec9 Stefano Sabatini
    snprintf(args, 255, "%d:%d:%d:%d:%d", ist->st->codec->width,
363 da1b9b88 Stefano Sabatini
             ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE);
364 4ddf0d29 Stefano Sabatini
    if ((ret = avfilter_init_filter(ist->input_video_filter, args, NULL)) < 0)
365
        return ret;
366 f7ead94c Stefano Sabatini
    if ((ret = avfilter_init_filter(ist->output_video_filter, NULL, &ffsink_ctx)) < 0)
367 4ddf0d29 Stefano Sabatini
        return ret;
368 46847a33 Michael Niedermayer
369
    /* add input and output filters to the overall graph */
370 aa1249b8 Baptiste Coudurier
    avfilter_graph_add_filter(graph, ist->input_video_filter);
371 dfd57757 Stefano Sabatini
    avfilter_graph_add_filter(graph, ist->output_video_filter);
372 46847a33 Michael Niedermayer
373 a9f3cb93 Baptiste Coudurier
    last_filter = ist->input_video_filter;
374 46847a33 Michael Niedermayer
375 5879ea6d Stefano Sabatini
    if (codec->width  != icodec->width || codec->height != icodec->height) {
376 6e82e7fa Baptiste Coudurier
        snprintf(args, 255, "%d:%d:flags=0x%X",
377 0c22311b Michael Niedermayer
                 codec->width,
378
                 codec->height,
379 46847a33 Michael Niedermayer
                 (int)av_get_int(sws_opts, "sws_flags", NULL));
380 4ddf0d29 Stefano Sabatini
        if ((ret = avfilter_open(&filter, avfilter_get_by_name("scale"), NULL)) < 0)
381
            return ret;
382
        if ((ret = avfilter_init_filter(filter, args, NULL)) < 0)
383
            return ret;
384
        if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
385
            return ret;
386 a9f3cb93 Baptiste Coudurier
        last_filter = filter;
387
        avfilter_graph_add_filter(graph, last_filter);
388 46847a33 Michael Niedermayer
    }
389
390 f96363df Baptiste Coudurier
    snprintf(args, sizeof(args), "flags=0x%X", (int)av_get_int(sws_opts, "sws_flags", NULL));
391
    graph->scale_sws_opts = av_strdup(args);
392
393 79b90b25 Baptiste Coudurier
    if (vfilters) {
394 46847a33 Michael Niedermayer
        AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
395
        AVFilterInOut *inputs  = av_malloc(sizeof(AVFilterInOut));
396
397
        outputs->name    = av_strdup("in");
398 7313132b Stefano Sabatini
        outputs->filter_ctx = last_filter;
399 46847a33 Michael Niedermayer
        outputs->pad_idx = 0;
400
        outputs->next    = NULL;
401
402
        inputs->name    = av_strdup("out");
403 7313132b Stefano Sabatini
        inputs->filter_ctx = ist->output_video_filter;
404 46847a33 Michael Niedermayer
        inputs->pad_idx = 0;
405
        inputs->next    = NULL;
406
407 4ddf0d29 Stefano Sabatini
        if ((ret = avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL)) < 0)
408
            return ret;
409 46847a33 Michael Niedermayer
        av_freep(&vfilters);
410
    } else {
411 dfd57757 Stefano Sabatini
        if ((ret = avfilter_link(last_filter, 0, ist->output_video_filter, 0)) < 0)
412 4ddf0d29 Stefano Sabatini
            return ret;
413 46847a33 Michael Niedermayer
    }
414
415 2a24df93 Stefano Sabatini
    if ((ret = avfilter_graph_config(graph, NULL)) < 0)
416 4ddf0d29 Stefano Sabatini
        return ret;
417 46847a33 Michael Niedermayer
418 dfd57757 Stefano Sabatini
    codec->width  = ist->output_video_filter->inputs[0]->w;
419
    codec->height = ist->output_video_filter->inputs[0]->h;
420 46847a33 Michael Niedermayer
421
    return 0;
422
}
423
#endif /* CONFIG_AVFILTER */
424
425 85f07f22 Fabrice Bellard
static void term_exit(void)
426
{
427 6b6bca64 Michael Niedermayer
    av_log(NULL, AV_LOG_QUIET, "");
428 64f6e357 Måns Rullgård
#if HAVE_TERMIOS_H
429 85f07f22 Fabrice Bellard
    tcsetattr (0, TCSANOW, &oldtty);
430 9a9509e6 Måns Rullgård
#endif
431 64f6e357 Måns Rullgård
}
432 85f07f22 Fabrice Bellard
433 e9a832e5 Martin Storsjö
static volatile int received_sigterm = 0;
434 9680a722 Roumen Petrov
435
static void
436
sigterm_handler(int sig)
437
{
438
    received_sigterm = sig;
439
    term_exit();
440
}
441
442 85f07f22 Fabrice Bellard
static void term_init(void)
443
{
444 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
445 85f07f22 Fabrice Bellard
    struct termios tty;
446
447
    tcgetattr (0, &tty);
448
    oldtty = tty;
449 9a9509e6 Måns Rullgård
    atexit(term_exit);
450 85f07f22 Fabrice Bellard
451
    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
452
                          |INLCR|IGNCR|ICRNL|IXON);
453
    tty.c_oflag |= OPOST;
454
    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
455
    tty.c_cflag &= ~(CSIZE|PARENB);
456
    tty.c_cflag |= CS8;
457
    tty.c_cc[VMIN] = 1;
458
    tty.c_cc[VTIME] = 0;
459 115329f1 Diego Biurrun
460 85f07f22 Fabrice Bellard
    tcsetattr (0, TCSANOW, &tty);
461 d86b83f8 Ramiro Polla
    signal(SIGQUIT, sigterm_handler); /* Quit (POSIX).  */
462
#endif
463 85f07f22 Fabrice Bellard
464 9680a722 Roumen Petrov
    signal(SIGINT , sigterm_handler); /* Interrupt (ANSI).  */
465
    signal(SIGTERM, sigterm_handler); /* Termination (ANSI).  */
466 ffcc6e24 Måns Rullgård
#ifdef SIGXCPU
467
    signal(SIGXCPU, sigterm_handler);
468
#endif
469 85f07f22 Fabrice Bellard
}
470
471
/* read a key without blocking */
472
static int read_key(void)
473
{
474 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
475 9ddd71fc François Revol
    int n = 1;
476 85f07f22 Fabrice Bellard
    unsigned char ch;
477 9ddd71fc François Revol
    struct timeval tv;
478 85f07f22 Fabrice Bellard
    fd_set rfds;
479
480
    FD_ZERO(&rfds);
481
    FD_SET(0, &rfds);
482
    tv.tv_sec = 0;
483
    tv.tv_usec = 0;
484
    n = select(1, &rfds, NULL, NULL, &tv);
485
    if (n > 0) {
486 cb09b2ed Philip Gladstone
        n = read(0, &ch, 1);
487
        if (n == 1)
488 85f07f22 Fabrice Bellard
            return ch;
489 cb09b2ed Philip Gladstone
490
        return n;
491 85f07f22 Fabrice Bellard
    }
492 b250f9c6 Aurelien Jacobs
#elif HAVE_CONIO_H
493 4b54c6d0 Ramiro Polla
    if(kbhit())
494
        return(getch());
495 d86b83f8 Ramiro Polla
#endif
496 85f07f22 Fabrice Bellard
    return -1;
497
}
498
499 b51469a0 Leon van Stuivenberg
static int decode_interrupt_cb(void)
500
{
501
    return q_pressed || (q_pressed = read_key() == 'q');
502
}
503
504 639e4ec8 Stefano Sabatini
static int ffmpeg_exit(int ret)
505 e5295c0d Ramiro Polla
{
506
    int i;
507
508
    /* close files */
509
    for(i=0;i<nb_output_files;i++) {
510
        /* maybe av_close_output_file ??? */
511
        AVFormatContext *s = output_files[i];
512
        int j;
513 8767060c Ramiro Polla
        if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
514 e5295c0d Ramiro Polla
            url_fclose(s->pb);
515
        for(j=0;j<s->nb_streams;j++) {
516 094d9df7 Aurelien Jacobs
            av_metadata_free(&s->streams[j]->metadata);
517 e5295c0d Ramiro Polla
            av_free(s->streams[j]->codec);
518 fd0368e7 Aurelien Jacobs
            av_free(s->streams[j]->info);
519 e5295c0d Ramiro Polla
            av_free(s->streams[j]);
520
        }
521 094d9df7 Aurelien Jacobs
        for(j=0;j<s->nb_programs;j++) {
522
            av_metadata_free(&s->programs[j]->metadata);
523
        }
524
        for(j=0;j<s->nb_chapters;j++) {
525
            av_metadata_free(&s->chapters[j]->metadata);
526
        }
527
        av_metadata_free(&s->metadata);
528 e5295c0d Ramiro Polla
        av_free(s);
529 9fdf4b58 Nicolas George
        av_free(output_streams_for_file[i]);
530 e5295c0d Ramiro Polla
    }
531 2c6958aa Aurelien Jacobs
    for(i=0;i<nb_input_files;i++) {
532 e5295c0d Ramiro Polla
        av_close_input_file(input_files[i]);
533 2c6958aa Aurelien Jacobs
        av_free(input_files_ts_scale[i]);
534
    }
535 e5295c0d Ramiro Polla
536
    av_free(intra_matrix);
537
    av_free(inter_matrix);
538
539
    if (vstats_file)
540
        fclose(vstats_file);
541
    av_free(vstats_filename);
542
543
    av_free(opt_names);
544 e640f261 Aurelien Jacobs
    av_free(streamid_map);
545 311e223f Aurelien Jacobs
    av_free(input_codecs);
546 0a6d97b3 Aurelien Jacobs
    av_free(output_codecs);
547 3a8e8824 Aurelien Jacobs
    av_free(stream_maps);
548 63e856df Anton Khirnov
    av_free(meta_data_maps);
549 e5295c0d Ramiro Polla
550
    av_free(video_codec_name);
551
    av_free(audio_codec_name);
552
    av_free(subtitle_codec_name);
553
554
    av_free(video_standard);
555
556 a5c33faa Reimar Döffinger
    uninit_opts();
557 3321cb3f Baptiste Coudurier
    av_free(audio_buf);
558
    av_free(audio_out);
559 b8919a30 Michael Niedermayer
    allocated_audio_buf_size= allocated_audio_out_size= 0;
560 3321cb3f Baptiste Coudurier
    av_free(samples);
561 5973490a Baptiste Coudurier
562 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
563
    avfilter_uninit();
564
#endif
565
566 e5295c0d Ramiro Polla
    if (received_sigterm) {
567
        fprintf(stderr,
568
            "Received signal %d: terminating.\n",
569
            (int) received_sigterm);
570
        exit (255);
571
    }
572
573 296df4e7 Ramiro Polla
    exit(ret); /* not all OS-es handle main() return value */
574
    return ret;
575 dba249ab Aurelien Jacobs
}
576
577
/* similar to ff_dynarray_add() and av_fast_realloc() */
578
static void *grow_array(void *array, int elem_size, int *size, int new_size)
579
{
580
    if (new_size >= INT_MAX / elem_size) {
581
        fprintf(stderr, "Array too big.\n");
582
        ffmpeg_exit(1);
583
    }
584
    if (*size < new_size) {
585
        uint8_t *tmp = av_realloc(array, new_size*elem_size);
586
        if (!tmp) {
587
            fprintf(stderr, "Could not alloc buffer.\n");
588
            ffmpeg_exit(1);
589
        }
590
        memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
591
        *size = new_size;
592
        return tmp;
593
    }
594
    return array;
595 e5295c0d Ramiro Polla
}
596
597 aa1de0d9 Ronald S. Bultje
static void choose_sample_fmt(AVStream *st, AVCodec *codec)
598
{
599
    if(codec && codec->sample_fmts){
600 5d6e4c16 Stefano Sabatini
        const enum AVSampleFormat *p= codec->sample_fmts;
601 aa1de0d9 Ronald S. Bultje
        for(; *p!=-1; p++){
602
            if(*p == st->codec->sample_fmt)
603
                break;
604
        }
605
        if(*p == -1)
606
            st->codec->sample_fmt = codec->sample_fmts[0];
607
    }
608
}
609
610 10d0f5e0 Michael Niedermayer
static void choose_sample_rate(AVStream *st, AVCodec *codec)
611
{
612
    if(codec && codec->supported_samplerates){
613
        const int *p= codec->supported_samplerates;
614 3c5e1b36 Baptiste Coudurier
        int best=0;
615 10d0f5e0 Michael Niedermayer
        int best_dist=INT_MAX;
616
        for(; *p; p++){
617
            int dist= abs(st->codec->sample_rate - *p);
618
            if(dist < best_dist){
619
                best_dist= dist;
620
                best= *p;
621
            }
622
        }
623 ff866063 Michael Niedermayer
        if(best_dist){
624
            av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
625
        }
626 10d0f5e0 Michael Niedermayer
        st->codec->sample_rate= best;
627
    }
628
}
629
630 aa1de0d9 Ronald S. Bultje
static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
631
{
632
    if(codec && codec->pix_fmts){
633
        const enum PixelFormat *p= codec->pix_fmts;
634
        for(; *p!=-1; p++){
635
            if(*p == st->codec->pix_fmt)
636
                break;
637
        }
638
        if(*p == -1
639
           && !(   st->codec->codec_id==CODEC_ID_MJPEG
640 2d525ef4 Rodney Baker
                && st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL
641 aa1de0d9 Ronald S. Bultje
                && (   st->codec->pix_fmt == PIX_FMT_YUV420P
642
                    || st->codec->pix_fmt == PIX_FMT_YUV422P)))
643
            st->codec->pix_fmt = codec->pix_fmts[0];
644
    }
645
}
646
647 ec1ca41c Carl Eugen Hoyos
static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
648
{
649
    int idx = oc->nb_streams - 1;
650
    AVOutputStream *ost;
651
652
    output_streams_for_file[file_idx] =
653
        grow_array(output_streams_for_file[file_idx],
654
                   sizeof(*output_streams_for_file[file_idx]),
655
                   &nb_output_streams_for_file[file_idx],
656
                   oc->nb_streams);
657
    ost = output_streams_for_file[file_idx][idx] =
658
        av_mallocz(sizeof(AVOutputStream));
659
    if (!ost) {
660
        fprintf(stderr, "Could not alloc output stream\n");
661
        ffmpeg_exit(1);
662
    }
663
    ost->file_index = file_idx;
664
    ost->index = idx;
665
    return ost;
666
}
667
668 b29f97d1 Zdenek Kabelac
static int read_ffserver_streams(AVFormatContext *s, const char *filename)
669 85f07f22 Fabrice Bellard
{
670 79fdaa4c Fabrice Bellard
    int i, err;
671 85f07f22 Fabrice Bellard
    AVFormatContext *ic;
672 3438d82d Baptiste Coudurier
    int nopts = 0;
673 85f07f22 Fabrice Bellard
674 79fdaa4c Fabrice Bellard
    err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
675
    if (err < 0)
676
        return err;
677 85f07f22 Fabrice Bellard
    /* copy stream format */
678 b67f3d65 Rocky Cardwell
    s->nb_streams = 0;
679 85f07f22 Fabrice Bellard
    for(i=0;i<ic->nb_streams;i++) {
680
        AVStream *st;
681 d9521cb1 Ronald S. Bultje
        AVCodec *codec;
682 1e491e29 Michael Niedermayer
683 b67f3d65 Rocky Cardwell
        s->nb_streams++;
684
685 f37f8d4c Alex Beregszaszi
        // FIXME: a more elegant solution is needed
686 e1031171 Alex Beregszaszi
        st = av_mallocz(sizeof(AVStream));
687 85f07f22 Fabrice Bellard
        memcpy(st, ic->streams[i], sizeof(AVStream));
688 f37f8d4c Alex Beregszaszi
        st->codec = avcodec_alloc_context();
689 7ef61879 Ramiro Polla
        if (!st->codec) {
690
            print_error(filename, AVERROR(ENOMEM));
691 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
692 7ef61879 Ramiro Polla
        }
693 d9521cb1 Ronald S. Bultje
        avcodec_copy_context(st->codec, ic->streams[i]->codec);
694 85f07f22 Fabrice Bellard
        s->streams[i] = st;
695 837d248d Baptiste Coudurier
696 d9521cb1 Ronald S. Bultje
        codec = avcodec_find_encoder(st->codec->codec_id);
697
        if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
698
            if (audio_stream_copy) {
699
                st->stream_copy = 1;
700
            } else
701
                choose_sample_fmt(st, codec);
702
        } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
703
            if (video_stream_copy) {
704
                st->stream_copy = 1;
705
            } else
706
                choose_pixel_fmt(st, codec);
707
        }
708 837d248d Baptiste Coudurier
709 dbedf2aa Baptiste Coudurier
        if(!st->codec->thread_count)
710
            st->codec->thread_count = 1;
711
        if(st->codec->thread_count>1)
712
            avcodec_thread_init(st->codec, st->codec->thread_count);
713
714 3438d82d Baptiste Coudurier
        if(st->codec->flags & CODEC_FLAG_BITEXACT)
715
            nopts = 1;
716 b67f3d65 Rocky Cardwell
717
        new_output_stream(s, nb_output_files);
718 85f07f22 Fabrice Bellard
    }
719
720 3438d82d Baptiste Coudurier
    if (!nopts)
721
        s->timestamp = av_gettime();
722
723 85f07f22 Fabrice Bellard
    av_close_input_file(ic);
724
    return 0;
725
}
726
727 b4a3389e Wolfram Gloger
static double
728
get_sync_ipts(const AVOutputStream *ost)
729
{
730
    const AVInputStream *ist = ost->sync_ist;
731 fec401f7 Michael Niedermayer
    return (double)(ist->pts - start_time)/AV_TIME_BASE;
732 b4a3389e Wolfram Gloger
}
733
734 748c2fca Michael Niedermayer
static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
735 0ac07031 Michael Niedermayer
    int ret;
736
737 748c2fca Michael Niedermayer
    while(bsfc){
738
        AVPacket new_pkt= *pkt;
739
        int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
740
                                          &new_pkt.data, &new_pkt.size,
741
                                          pkt->data, pkt->size,
742 cc947f04 Jean-Daniel Dupas
                                          pkt->flags & AV_PKT_FLAG_KEY);
743 7055cdac Benoit Fouet
        if(a>0){
744 748c2fca Michael Niedermayer
            av_free_packet(pkt);
745
            new_pkt.destruct= av_destruct_packet;
746 7055cdac Benoit Fouet
        } else if(a<0){
747 1f8e32cd Diego Biurrun
            fprintf(stderr, "%s failed for stream %d, codec %s",
748
                    bsfc->filter->name, pkt->stream_index,
749
                    avctx->codec ? avctx->codec->name : "copy");
750 7055cdac Benoit Fouet
            print_error("", a);
751 f2abc559 Baptiste Coudurier
            if (exit_on_error)
752 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
753 748c2fca Michael Niedermayer
        }
754
        *pkt= new_pkt;
755
756
        bsfc= bsfc->next;
757
    }
758
759 0ac07031 Michael Niedermayer
    ret= av_interleaved_write_frame(s, pkt);
760
    if(ret < 0){
761
        print_error("av_interleaved_write_frame()", ret);
762 639e4ec8 Stefano Sabatini
        ffmpeg_exit(1);
763 0ac07031 Michael Niedermayer
    }
764 748c2fca Michael Niedermayer
}
765
766 817b23ff Fabrice Bellard
#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
767 85f07f22 Fabrice Bellard
768 115329f1 Diego Biurrun
static void do_audio_out(AVFormatContext *s,
769
                         AVOutputStream *ost,
770 85f07f22 Fabrice Bellard
                         AVInputStream *ist,
771
                         unsigned char *buf, int size)
772
{
773 0c1a9eda Zdenek Kabelac
    uint8_t *buftmp;
774 15bfe412 Michael Niedermayer
    int64_t audio_out_size, audio_buf_size;
775 7a086a85 Michael Niedermayer
    int64_t allocated_for_size= size;
776 d66c7abc Sylvain Corré
777 85f07f22 Fabrice Bellard
    int size_out, frame_bytes, ret;
778 01f4895c Michael Niedermayer
    AVCodecContext *enc= ost->st->codec;
779 2886f311 Andreas Öman
    AVCodecContext *dec= ist->st->codec;
780 ba7d6e79 Stefano Sabatini
    int osize= av_get_bits_per_sample_fmt(enc->sample_fmt)/8;
781
    int isize= av_get_bits_per_sample_fmt(dec->sample_fmt)/8;
782 15bfe412 Michael Niedermayer
    const int coded_bps = av_get_bits_per_sample(enc->codec->id);
783
784 7a086a85 Michael Niedermayer
need_realloc:
785
    audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
786 15bfe412 Michael Niedermayer
    audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
787 8b484d0f Vitor Sessak
    audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
788 79c85beb Justin Ruggles
    audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
789 15bfe412 Michael Niedermayer
    audio_buf_size*= osize*enc->channels;
790
791
    audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
792
    if(coded_bps > 8*osize)
793
        audio_out_size= audio_out_size * coded_bps / (8*osize);
794
    audio_out_size += FF_MIN_BUFFER_SIZE;
795
796
    if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
797
        fprintf(stderr, "Buffer sizes too large\n");
798 639e4ec8 Stefano Sabatini
        ffmpeg_exit(1);
799 15bfe412 Michael Niedermayer
    }
800 85f07f22 Fabrice Bellard
801 b8919a30 Michael Niedermayer
    av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
802
    av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
803 e185a2f6 Michael Niedermayer
    if (!audio_buf || !audio_out){
804
        fprintf(stderr, "Out of memory in do_audio_out\n");
805 639e4ec8 Stefano Sabatini
        ffmpeg_exit(1);
806 e185a2f6 Michael Niedermayer
    }
807 d66c7abc Sylvain Corré
808 2886f311 Andreas Öman
    if (enc->channels != dec->channels)
809
        ost->audio_resample = 1;
810
811
    if (ost->audio_resample && !ost->resample) {
812 5d6e4c16 Stefano Sabatini
        if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
813 d1e3c6fd Baptiste Coudurier
            fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
814
        ost->resample = av_audio_resample_init(enc->channels,    dec->channels,
815
                                               enc->sample_rate, dec->sample_rate,
816
                                               enc->sample_fmt,  dec->sample_fmt,
817
                                               16, 10, 0, 0.8);
818 2886f311 Andreas Öman
        if (!ost->resample) {
819
            fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
820
                    dec->channels, dec->sample_rate,
821
                    enc->channels, enc->sample_rate);
822 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
823 2886f311 Andreas Öman
        }
824
    }
825
826 5d6e4c16 Stefano Sabatini
#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
827 d1e3c6fd Baptiste Coudurier
    if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
828 a79db0f7 Peter Ross
        MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
829
        if (ost->reformat_ctx)
830
            av_audio_convert_free(ost->reformat_ctx);
831
        ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
832
                                                   dec->sample_fmt, 1, NULL, 0);
833
        if (!ost->reformat_ctx) {
834
            fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
835 ba7d6e79 Stefano Sabatini
                av_get_sample_fmt_name(dec->sample_fmt),
836
                av_get_sample_fmt_name(enc->sample_fmt));
837 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
838 a79db0f7 Peter Ross
        }
839
        ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
840
    }
841
842 986ebcdb Michael Niedermayer
    if(audio_sync_method){
843 115329f1 Diego Biurrun
        double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
844 37f5a713 Justin Ruggles
                - av_fifo_size(ost->fifo)/(enc->channels * 2);
845
        double idelta= delta*dec->sample_rate / enc->sample_rate;
846 ff19d16b Justin Ruggles
        int byte_delta= ((int)idelta)*2*dec->channels;
847 ff4905a5 Michael Niedermayer
848 986ebcdb Michael Niedermayer
        //FIXME resample delay
849
        if(fabs(delta) > 50){
850 d4d226a8 Michael Niedermayer
            if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
851 ff4905a5 Michael Niedermayer
                if(byte_delta < 0){
852 f41dd5aa Michael Niedermayer
                    byte_delta= FFMAX(byte_delta, -size);
853 ff4905a5 Michael Niedermayer
                    size += byte_delta;
854
                    buf  -= byte_delta;
855
                    if(verbose > 2)
856
                        fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
857
                    if(!size)
858
                        return;
859
                    ist->is_start=0;
860
                }else{
861
                    static uint8_t *input_tmp= NULL;
862
                    input_tmp= av_realloc(input_tmp, byte_delta + size);
863
864 7a086a85 Michael Niedermayer
                    if(byte_delta > allocated_for_size - size){
865
                        allocated_for_size= byte_delta + (int64_t)size;
866
                        goto need_realloc;
867
                    }
868
                    ist->is_start=0;
869 ff4905a5 Michael Niedermayer
870
                    memset(input_tmp, 0, byte_delta);
871
                    memcpy(input_tmp + byte_delta, buf, size);
872
                    buf= input_tmp;
873
                    size += byte_delta;
874
                    if(verbose > 2)
875
                        fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
876
                }
877
            }else if(audio_sync_method>1){
878 f66e4f5f Reimar Döffinger
                int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
879 b926b628 Michael Niedermayer
                av_assert0(ost->audio_resample);
880 ff4905a5 Michael Niedermayer
                if(verbose > 2)
881
                    fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
882 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));
883 ff4905a5 Michael Niedermayer
                av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
884
            }
885 115329f1 Diego Biurrun
        }
886 986ebcdb Michael Niedermayer
    }else
887 b4a3389e Wolfram Gloger
        ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
888 37f5a713 Justin Ruggles
                        - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
889 85f07f22 Fabrice Bellard
890
    if (ost->audio_resample) {
891
        buftmp = audio_buf;
892 115329f1 Diego Biurrun
        size_out = audio_resample(ost->resample,
893 85f07f22 Fabrice Bellard
                                  (short *)buftmp, (short *)buf,
894 37f5a713 Justin Ruggles
                                  size / (dec->channels * isize));
895 287ba997 Peter Ross
        size_out = size_out * enc->channels * osize;
896 85f07f22 Fabrice Bellard
    } else {
897
        buftmp = buf;
898
        size_out = size;
899
    }
900
901 d1e3c6fd Baptiste Coudurier
    if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
902 a79db0f7 Peter Ross
        const void *ibuf[6]= {buftmp};
903 80f47250 Michael Niedermayer
        void *obuf[6]= {audio_buf};
904 287ba997 Peter Ross
        int istride[6]= {isize};
905
        int ostride[6]= {osize};
906 a79db0f7 Peter Ross
        int len= size_out/istride[0];
907
        if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
908
            printf("av_audio_convert() failed\n");
909 f2abc559 Baptiste Coudurier
            if (exit_on_error)
910 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
911 a79db0f7 Peter Ross
            return;
912
        }
913 80f47250 Michael Niedermayer
        buftmp = audio_buf;
914 287ba997 Peter Ross
        size_out = len*osize;
915 a79db0f7 Peter Ross
    }
916
917 85f07f22 Fabrice Bellard
    /* now encode as many frames as possible */
918 a0663ba4 Fabrice Bellard
    if (enc->frame_size > 1) {
919 85f07f22 Fabrice Bellard
        /* output resampled raw samples */
920 41dd680d Michael Niedermayer
        if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
921 745b39d5 Stefano Sabatini
            fprintf(stderr, "av_fifo_realloc2() failed\n");
922 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
923 745b39d5 Stefano Sabatini
        }
924 41dd680d Michael Niedermayer
        av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
925 85f07f22 Fabrice Bellard
926 287ba997 Peter Ross
        frame_bytes = enc->frame_size * osize * enc->channels;
927 115329f1 Diego Biurrun
928 41dd680d Michael Niedermayer
        while (av_fifo_size(ost->fifo) >= frame_bytes) {
929 e928649b Michael Niedermayer
            AVPacket pkt;
930
            av_init_packet(&pkt);
931
932 3898eed8 Reimar Döffinger
            av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
933 0871ae1a Michael Niedermayer
934 5bc440e7 Michael Niedermayer
            //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
935
936 115329f1 Diego Biurrun
            ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
937 a0663ba4 Fabrice Bellard
                                       (short *)audio_buf);
938 528271ff Michael Niedermayer
            if (ret < 0) {
939
                fprintf(stderr, "Audio encoding failed\n");
940 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
941 528271ff Michael Niedermayer
            }
942 1008ceb3 Michael Niedermayer
            audio_size += ret;
943 e928649b Michael Niedermayer
            pkt.stream_index= ost->index;
944
            pkt.data= audio_out;
945
            pkt.size= ret;
946 e7902f20 Michael Niedermayer
            if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
947 c0df9d75 Michael Niedermayer
                pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
948 cc947f04 Jean-Daniel Dupas
            pkt.flags |= AV_PKT_FLAG_KEY;
949 0b6d358a Nicolas George
            write_frame(s, &pkt, enc, ost->bitstream_filters);
950 115329f1 Diego Biurrun
951 986ebcdb Michael Niedermayer
            ost->sync_opts += enc->frame_size;
952 85f07f22 Fabrice Bellard
        }
953
    } else {
954 e928649b Michael Niedermayer
        AVPacket pkt;
955
        av_init_packet(&pkt);
956 986ebcdb Michael Niedermayer
957 287ba997 Peter Ross
        ost->sync_opts += size_out / (osize * enc->channels);
958 986ebcdb Michael Niedermayer
959 a0663ba4 Fabrice Bellard
        /* output a pcm frame */
960 287ba997 Peter Ross
        /* determine the size of the coded buffer */
961
        size_out /= osize;
962
        if (coded_bps)
963 060b8592 Michael Niedermayer
            size_out = size_out*coded_bps/8;
964 287ba997 Peter Ross
965 5ee05a62 Michael Niedermayer
        if(size_out > audio_out_size){
966
            fprintf(stderr, "Internal error, buffer size too small\n");
967 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
968 5ee05a62 Michael Niedermayer
        }
969
970 5bc440e7 Michael Niedermayer
        //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
971 115329f1 Diego Biurrun
        ret = avcodec_encode_audio(enc, audio_out, size_out,
972 bb270c08 Diego Biurrun
                                   (short *)buftmp);
973 528271ff Michael Niedermayer
        if (ret < 0) {
974
            fprintf(stderr, "Audio encoding failed\n");
975 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
976 528271ff Michael Niedermayer
        }
977 1008ceb3 Michael Niedermayer
        audio_size += ret;
978 e928649b Michael Niedermayer
        pkt.stream_index= ost->index;
979
        pkt.data= audio_out;
980
        pkt.size= ret;
981 e7902f20 Michael Niedermayer
        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
982 c0df9d75 Michael Niedermayer
            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
983 cc947f04 Jean-Daniel Dupas
        pkt.flags |= AV_PKT_FLAG_KEY;
984 0b6d358a Nicolas George
        write_frame(s, &pkt, enc, ost->bitstream_filters);
985 85f07f22 Fabrice Bellard
    }
986
}
987
988 10d104e4 Philip Gladstone
static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
989
{
990
    AVCodecContext *dec;
991
    AVPicture *picture2;
992
    AVPicture picture_tmp;
993 0c1a9eda Zdenek Kabelac
    uint8_t *buf = 0;
994 10d104e4 Philip Gladstone
995 01f4895c Michael Niedermayer
    dec = ist->st->codec;
996 10d104e4 Philip Gladstone
997
    /* deinterlace : must be done before any resize */
998 fdf11906 Diego Biurrun
    if (do_deinterlace) {
999 10d104e4 Philip Gladstone
        int size;
1000
1001
        /* create temporary picture */
1002
        size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1003
        buf = av_malloc(size);
1004
        if (!buf)
1005
            return;
1006 115329f1 Diego Biurrun
1007 10d104e4 Philip Gladstone
        picture2 = &picture_tmp;
1008
        avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1009
1010 9e1cc598 Ramiro Polla
        if(avpicture_deinterlace(picture2, picture,
1011
                                 dec->pix_fmt, dec->width, dec->height) < 0) {
1012
            /* if error, do not deinterlace */
1013
            fprintf(stderr, "Deinterlacing failed\n");
1014
            av_free(buf);
1015
            buf = NULL;
1016
            picture2 = picture;
1017
        }
1018 10d104e4 Philip Gladstone
    } else {
1019
        picture2 = picture;
1020
    }
1021
1022
    if (picture != picture2)
1023
        *picture = *picture2;
1024
    *bufp = buf;
1025
}
1026
1027 ec5517d5 Fabrice Bellard
/* we begin to correct av delay at this threshold */
1028
#define AV_DELAY_MAX 0.100
1029 85f07f22 Fabrice Bellard
1030 115329f1 Diego Biurrun
static void do_subtitle_out(AVFormatContext *s,
1031
                            AVOutputStream *ost,
1032 cf7fc795 Fabrice Bellard
                            AVInputStream *ist,
1033
                            AVSubtitle *sub,
1034
                            int64_t pts)
1035
{
1036
    static uint8_t *subtitle_out = NULL;
1037 7f4fca03 Reimar Döffinger
    int subtitle_out_max_size = 1024 * 1024;
1038 cf7fc795 Fabrice Bellard
    int subtitle_out_size, nb, i;
1039
    AVCodecContext *enc;
1040
    AVPacket pkt;
1041
1042
    if (pts == AV_NOPTS_VALUE) {
1043
        fprintf(stderr, "Subtitle packets must have a pts\n");
1044 f2abc559 Baptiste Coudurier
        if (exit_on_error)
1045 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
1046 cf7fc795 Fabrice Bellard
        return;
1047
    }
1048
1049 01f4895c Michael Niedermayer
    enc = ost->st->codec;
1050 cf7fc795 Fabrice Bellard
1051
    if (!subtitle_out) {
1052
        subtitle_out = av_malloc(subtitle_out_max_size);
1053
    }
1054
1055
    /* Note: DVB subtitle need one packet to draw them and one other
1056
       packet to clear them */
1057
    /* XXX: signal it in the codec context ? */
1058
    if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1059
        nb = 2;
1060
    else
1061
        nb = 1;
1062
1063
    for(i = 0; i < nb; i++) {
1064 4bbe788a Reimar Döffinger
        sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1065 8b03c014 Reimar Döffinger
        // start_display_time is required to be 0
1066
        sub->pts              += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1067
        sub->end_display_time -= sub->start_display_time;
1068
        sub->start_display_time = 0;
1069 115329f1 Diego Biurrun
        subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1070 cf7fc795 Fabrice Bellard
                                                    subtitle_out_max_size, sub);
1071 266649a5 Reimar Döffinger
        if (subtitle_out_size < 0) {
1072
            fprintf(stderr, "Subtitle encoding failed\n");
1073 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
1074 266649a5 Reimar Döffinger
        }
1075 115329f1 Diego Biurrun
1076 cf7fc795 Fabrice Bellard
        av_init_packet(&pkt);
1077
        pkt.stream_index = ost->index;
1078
        pkt.data = subtitle_out;
1079
        pkt.size = subtitle_out_size;
1080 8b03c014 Reimar Döffinger
        pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1081 cf7fc795 Fabrice Bellard
        if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1082
            /* XXX: the pts correction is handled here. Maybe handling
1083
               it in the codec would be better */
1084
            if (i == 0)
1085
                pkt.pts += 90 * sub->start_display_time;
1086
            else
1087
                pkt.pts += 90 * sub->end_display_time;
1088
        }
1089 0b6d358a Nicolas George
        write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1090 cf7fc795 Fabrice Bellard
    }
1091
}
1092
1093 8a6cb114 Michael Niedermayer
static int bit_buffer_size= 1024*256;
1094 27537106 Michael Niedermayer
static uint8_t *bit_buffer= NULL;
1095 1ff93ffc Todd Kirby
1096 115329f1 Diego Biurrun
static void do_video_out(AVFormatContext *s,
1097
                         AVOutputStream *ost,
1098 85f07f22 Fabrice Bellard
                         AVInputStream *ist,
1099 7a0f9d7e Fabrice Bellard
                         AVFrame *in_picture,
1100 986ebcdb Michael Niedermayer
                         int *frame_size)
1101 85f07f22 Fabrice Bellard
{
1102 ec5517d5 Fabrice Bellard
    int nb_frames, i, ret;
1103 07d0cdfc Luca Abeni
    AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
1104 cfcf0ffd Fabrice Bellard
    AVCodecContext *enc, *dec;
1105 47b229db Alexander Strange
    double sync_ipts;
1106 115329f1 Diego Biurrun
1107 01f4895c Michael Niedermayer
    enc = ost->st->codec;
1108
    dec = ist->st->codec;
1109 85f07f22 Fabrice Bellard
1110 47b229db Alexander Strange
    sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1111
1112 ec5517d5 Fabrice Bellard
    /* by default, we output a single frame */
1113
    nb_frames = 1;
1114
1115 204c0f48 Philip Gladstone
    *frame_size = 0;
1116
1117 9ff261a2 Michael Niedermayer
    if(video_sync_method){
1118 d55065a2 Alexander Strange
        double vdelta = sync_ipts - ost->sync_opts;
1119 e928649b Michael Niedermayer
        //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1120
        if (vdelta < -1.1)
1121
            nb_frames = 0;
1122 e6fdc2b1 Michael Niedermayer
        else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1123
            if(vdelta<=-0.6){
1124
                nb_frames=0;
1125
            }else if(vdelta>0.6)
1126 47b229db Alexander Strange
            ost->sync_opts= lrintf(sync_ipts);
1127 e6fdc2b1 Michael Niedermayer
        }else if (vdelta > 1.1)
1128 70122f29 Michael Niedermayer
            nb_frames = lrintf(vdelta);
1129 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);
1130 50c3dd32 Michael Niedermayer
        if (nb_frames == 0){
1131
            ++nb_frames_drop;
1132
            if (verbose>2)
1133
                fprintf(stderr, "*** drop!\n");
1134 8300609b Michael Niedermayer
        }else if (nb_frames > 1) {
1135 ed30e518 Michael Niedermayer
            nb_frames_dup += nb_frames - 1;
1136 50c3dd32 Michael Niedermayer
            if (verbose>2)
1137 8300609b Michael Niedermayer
                fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1138 50c3dd32 Michael Niedermayer
        }
1139
    }else
1140 47b229db Alexander Strange
        ost->sync_opts= lrintf(sync_ipts);
1141 445f1b83 Roman Shaposhnik
1142 72415b2a Stefano Sabatini
    nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1143 115329f1 Diego Biurrun
    if (nb_frames <= 0)
1144 85f07f22 Fabrice Bellard
        return;
1145 ce7c56c2 Juanjo
1146 46847a33 Michael Niedermayer
    formatted_picture = in_picture;
1147 07d0cdfc Luca Abeni
    final_picture = formatted_picture;
1148
    padding_src = formatted_picture;
1149
    resampling_dst = &ost->pict_tmp;
1150
1151 5879ea6d Stefano Sabatini
    if (   ost->resample_height != ist->st->codec->height
1152
        || ost->resample_width  != ist->st->codec->width
1153 b83ccbff Michael Niedermayer
        || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1154
1155
        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));
1156
        if(!ost->video_resample)
1157 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
1158 b83ccbff Michael Niedermayer
    }
1159
1160 46847a33 Michael Niedermayer
#if !CONFIG_AVFILTER
1161 85f07f22 Fabrice Bellard
    if (ost->video_resample) {
1162 07d0cdfc Luca Abeni
        padding_src = NULL;
1163 34b10a57 Dieter
        final_picture = &ost->pict_tmp;
1164 5879ea6d Stefano Sabatini
        if(  ost->resample_height != ist->st->codec->height
1165
          || ost->resample_width  != ist->st->codec->width
1166 01a3c821 Jason Garrett-Glaser
          || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1167 352666c1 Eric Buehl
1168
            /* initialize a new scaler context */
1169
            sws_freeContext(ost->img_resample_ctx);
1170
            sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1171
            ost->img_resample_ctx = sws_getContext(
1172 5879ea6d Stefano Sabatini
                ist->st->codec->width,
1173
                ist->st->codec->height,
1174 352666c1 Eric Buehl
                ist->st->codec->pix_fmt,
1175 0c22311b Michael Niedermayer
                ost->st->codec->width,
1176
                ost->st->codec->height,
1177 352666c1 Eric Buehl
                ost->st->codec->pix_fmt,
1178
                sws_flags, NULL, NULL, NULL);
1179
            if (ost->img_resample_ctx == NULL) {
1180
                fprintf(stderr, "Cannot get resampling context\n");
1181 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
1182 352666c1 Eric Buehl
            }
1183
        }
1184 18a54b04 Luca Abeni
        sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1185
              0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1186 f122deb4 Luca Abeni
    }
1187 46847a33 Michael Niedermayer
#endif
1188 07d0cdfc Luca Abeni
1189 85f07f22 Fabrice Bellard
    /* duplicates frame if needed */
1190 ec5517d5 Fabrice Bellard
    for(i=0;i<nb_frames;i++) {
1191 e928649b Michael Niedermayer
        AVPacket pkt;
1192
        av_init_packet(&pkt);
1193
        pkt.stream_index= ost->index;
1194
1195 e8750b00 Fred Rothganger
        if (s->oformat->flags & AVFMT_RAWPICTURE) {
1196
            /* raw pictures are written as AVPicture structure to
1197
               avoid any copies. We support temorarily the older
1198
               method. */
1199 2744ca9a Roman Shaposhnik
            AVFrame* old_frame = enc->coded_frame;
1200 bb270c08 Diego Biurrun
            enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1201 e928649b Michael Niedermayer
            pkt.data= (uint8_t *)final_picture;
1202
            pkt.size=  sizeof(AVPicture);
1203 b4dba580 Michael Niedermayer
            pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1204 cc947f04 Jean-Daniel Dupas
            pkt.flags |= AV_PKT_FLAG_KEY;
1205 e928649b Michael Niedermayer
1206 0b6d358a Nicolas George
            write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1207 bb270c08 Diego Biurrun
            enc->coded_frame = old_frame;
1208 e8750b00 Fred Rothganger
        } else {
1209 492cd3a9 Michael Niedermayer
            AVFrame big_picture;
1210 a4d36c11 Michael Niedermayer
1211
            big_picture= *final_picture;
1212 7a0f9d7e Fabrice Bellard
            /* better than nothing: use input picture interlaced
1213
               settings */
1214
            big_picture.interlaced_frame = in_picture->interlaced_frame;
1215 72415b2a Stefano Sabatini
            if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1216 bb198e19 Michael Niedermayer
                if(top_field_first == -1)
1217
                    big_picture.top_field_first = in_picture->top_field_first;
1218
                else
1219 2a8edc5d Michael Niedermayer
                    big_picture.top_field_first = top_field_first;
1220 bb198e19 Michael Niedermayer
            }
1221 7a0f9d7e Fabrice Bellard
1222 85f07f22 Fabrice Bellard
            /* handles sameq here. This is not correct because it may
1223
               not be a global option */
1224 f62c025a Stefano Sabatini
            big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
1225 f4f3223f Michael Niedermayer
            if(!me_threshold)
1226
                big_picture.pict_type = 0;
1227 50c3dd32 Michael Niedermayer
//            big_picture.pts = AV_NOPTS_VALUE;
1228 c0df9d75 Michael Niedermayer
            big_picture.pts= ost->sync_opts;
1229
//            big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1230 949b1a13 Steve L'Homme
//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1231 4ad08021 Nicolas George
            if (ost->forced_kf_index < ost->forced_kf_count &&
1232
                big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1233
                big_picture.pict_type = FF_I_TYPE;
1234
                ost->forced_kf_index++;
1235
            }
1236 115329f1 Diego Biurrun
            ret = avcodec_encode_video(enc,
1237 8a6cb114 Michael Niedermayer
                                       bit_buffer, bit_buffer_size,
1238 1e491e29 Michael Niedermayer
                                       &big_picture);
1239 95af5e1c Michael Niedermayer
            if (ret < 0) {
1240 4156a436 Panagiotis Issaris
                fprintf(stderr, "Video encoding failed\n");
1241 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
1242 4156a436 Panagiotis Issaris
            }
1243 54e28a85 Baptiste Coudurier
1244 4bbc6260 Michael Niedermayer
            if(ret>0){
1245 27537106 Michael Niedermayer
                pkt.data= bit_buffer;
1246 e928649b Michael Niedermayer
                pkt.size= ret;
1247 e6b4e4ff Michael Niedermayer
                if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1248 c0df9d75 Michael Niedermayer
                    pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1249 949b1a13 Steve L'Homme
/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1250 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,
1251
   pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1252 50c3dd32 Michael Niedermayer
1253 e6b4e4ff Michael Niedermayer
                if(enc->coded_frame->key_frame)
1254 cc947f04 Jean-Daniel Dupas
                    pkt.flags |= AV_PKT_FLAG_KEY;
1255 0b6d358a Nicolas George
                write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1256 e928649b Michael Niedermayer
                *frame_size = ret;
1257 44eb047a Michael Niedermayer
                video_size += ret;
1258 54e28a85 Baptiste Coudurier
                //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1259
                //        enc->frame_number-1, ret, enc->pict_type);
1260 e928649b Michael Niedermayer
                /* if two pass, output log */
1261
                if (ost->logfile && enc->stats_out) {
1262
                    fprintf(ost->logfile, "%s", enc->stats_out);
1263
                }
1264 5abdb4b1 Fabrice Bellard
            }
1265 85f07f22 Fabrice Bellard
        }
1266 50c3dd32 Michael Niedermayer
        ost->sync_opts++;
1267 ec5517d5 Fabrice Bellard
        ost->frame_number++;
1268 85f07f22 Fabrice Bellard
    }
1269
}
1270
1271 140cb663 Michael Niedermayer
static double psnr(double d){
1272 b29f97d1 Zdenek Kabelac
    return -10.0*log(d)/log(10.0);
1273 140cb663 Michael Niedermayer
}
1274
1275 115329f1 Diego Biurrun
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1276 ec5517d5 Fabrice Bellard
                           int frame_size)
1277 ce7c56c2 Juanjo
{
1278
    AVCodecContext *enc;
1279
    int frame_number;
1280
    double ti1, bitrate, avg_bitrate;
1281 115329f1 Diego Biurrun
1282 b60d1379 Stefano Sabatini
    /* this is executed just the first time do_video_stats is called */
1283 032aa7df Stefano Sabatini
    if (!vstats_file) {
1284
        vstats_file = fopen(vstats_filename, "w");
1285
        if (!vstats_file) {
1286 4bd0c2b1 Benoit Fouet
            perror("fopen");
1287 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
1288 4bd0c2b1 Benoit Fouet
        }
1289
    }
1290
1291 01f4895c Michael Niedermayer
    enc = ost->st->codec;
1292 72415b2a Stefano Sabatini
    if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1293 ec5517d5 Fabrice Bellard
        frame_number = ost->frame_number;
1294 032aa7df Stefano Sabatini
        fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1295 140cb663 Michael Niedermayer
        if (enc->flags&CODEC_FLAG_PSNR)
1296 032aa7df Stefano Sabatini
            fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1297 115329f1 Diego Biurrun
1298 032aa7df Stefano Sabatini
        fprintf(vstats_file,"f_size= %6d ", frame_size);
1299 ec5517d5 Fabrice Bellard
        /* compute pts value */
1300 c0df9d75 Michael Niedermayer
        ti1 = ost->sync_opts * av_q2d(enc->time_base);
1301 ce7c56c2 Juanjo
        if (ti1 < 0.01)
1302
            ti1 = 0.01;
1303 115329f1 Diego Biurrun
1304 c0df9d75 Michael Niedermayer
        bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1305 1008ceb3 Michael Niedermayer
        avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1306 032aa7df Stefano Sabatini
        fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1307 1008ceb3 Michael Niedermayer
            (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1308 032aa7df Stefano Sabatini
        fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1309 ce7c56c2 Juanjo
    }
1310 ec5517d5 Fabrice Bellard
}
1311
1312 b29f97d1 Zdenek Kabelac
static void print_report(AVFormatContext **output_files,
1313 bb270c08 Diego Biurrun
                         AVOutputStream **ost_table, int nb_ostreams,
1314
                         int is_last_report)
1315 ec5517d5 Fabrice Bellard
{
1316
    char buf[1024];
1317
    AVOutputStream *ost;
1318 b5ee9c23 Michael Niedermayer
    AVFormatContext *oc;
1319 0c1a9eda Zdenek Kabelac
    int64_t total_size;
1320 ec5517d5 Fabrice Bellard
    AVCodecContext *enc;
1321
    int frame_number, vid, i;
1322
    double bitrate, ti1, pts;
1323 0c1a9eda Zdenek Kabelac
    static int64_t last_time = -1;
1324 0888fd22 Michael Niedermayer
    static int qp_histogram[52];
1325 115329f1 Diego Biurrun
1326 ec5517d5 Fabrice Bellard
    if (!is_last_report) {
1327 0c1a9eda Zdenek Kabelac
        int64_t cur_time;
1328 ec5517d5 Fabrice Bellard
        /* display the report every 0.5 seconds */
1329
        cur_time = av_gettime();
1330
        if (last_time == -1) {
1331
            last_time = cur_time;
1332
            return;
1333 115329f1 Diego Biurrun
        }
1334 ec5517d5 Fabrice Bellard
        if ((cur_time - last_time) < 500000)
1335
            return;
1336
        last_time = cur_time;
1337
    }
1338
1339 ce7c56c2 Juanjo
1340 ec5517d5 Fabrice Bellard
    oc = output_files[0];
1341
1342 899681cd Björn Axelsson
    total_size = url_fsize(oc->pb);
1343 859d95ba Michael Niedermayer
    if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1344 899681cd Björn Axelsson
        total_size= url_ftell(oc->pb);
1345 115329f1 Diego Biurrun
1346 ec5517d5 Fabrice Bellard
    buf[0] = '\0';
1347
    ti1 = 1e10;
1348
    vid = 0;
1349
    for(i=0;i<nb_ostreams;i++) {
1350
        ost = ost_table[i];
1351 01f4895c Michael Niedermayer
        enc = ost->st->codec;
1352 72415b2a Stefano Sabatini
        if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1353 0ecca7a4 Michael Niedermayer
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1354 e6b4e4ff Michael Niedermayer
                     !ost->st->stream_copy ?
1355 99fb79b5 Baptiste Coudurier
                     enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1356 10d104e4 Philip Gladstone
        }
1357 72415b2a Stefano Sabatini
        if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1358 7fc98937 Limin Wang
            float t = (av_gettime()-timer_start) / 1000000.0;
1359
1360 ec5517d5 Fabrice Bellard
            frame_number = ost->frame_number;
1361 7fc98937 Limin Wang
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1362
                     frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1363 e6b4e4ff Michael Niedermayer
                     !ost->st->stream_copy ?
1364 99fb79b5 Baptiste Coudurier
                     enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1365 890972be Michael Niedermayer
            if(is_last_report)
1366 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1367 e6b4e4ff Michael Niedermayer
            if(qp_hist){
1368 0888fd22 Michael Niedermayer
                int j;
1369
                int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1370 37d3e066 Aurelien Jacobs
                if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1371 0888fd22 Michael Niedermayer
                    qp_histogram[qp]++;
1372
                for(j=0; j<32; j++)
1373
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1374
            }
1375 890972be Michael Niedermayer
            if (enc->flags&CODEC_FLAG_PSNR){
1376
                int j;
1377
                double error, error_sum=0;
1378
                double scale, scale_sum=0;
1379
                char type[3]= {'Y','U','V'};
1380 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1381 890972be Michael Niedermayer
                for(j=0; j<3; j++){
1382
                    if(is_last_report){
1383
                        error= enc->error[j];
1384
                        scale= enc->width*enc->height*255.0*255.0*frame_number;
1385
                    }else{
1386
                        error= enc->coded_frame->error[j];
1387
                        scale= enc->width*enc->height*255.0*255.0;
1388
                    }
1389
                    if(j) scale/=4;
1390
                    error_sum += error;
1391
                    scale_sum += scale;
1392 0ecca7a4 Michael Niedermayer
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1393 890972be Michael Niedermayer
                }
1394 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1395 890972be Michael Niedermayer
            }
1396 ec5517d5 Fabrice Bellard
            vid = 1;
1397
        }
1398
        /* compute min output value */
1399 43924f01 Alex Beregszaszi
        pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1400 5d9827bc Kareila
        if ((pts < ti1) && (pts > 0))
1401 ec5517d5 Fabrice Bellard
            ti1 = pts;
1402
    }
1403
    if (ti1 < 0.01)
1404
        ti1 = 0.01;
1405 115329f1 Diego Biurrun
1406 f068206e Bill Eldridge
    if (verbose || is_last_report) {
1407
        bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1408 115329f1 Diego Biurrun
1409
        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1410 475f4d8d David Bolt
            "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1411 ec5517d5 Fabrice Bellard
            (double)total_size / 1024, ti1, bitrate);
1412 a6a92a9a Wolfram Gloger
1413 0f649d66 Michael Niedermayer
        if (nb_frames_dup || nb_frames_drop)
1414 bb270c08 Diego Biurrun
          snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1415
                  nb_frames_dup, nb_frames_drop);
1416 115329f1 Diego Biurrun
1417 d8019eb5 Allen Day
        if (verbose >= 0)
1418
            fprintf(stderr, "%s    \r", buf);
1419
1420 ec5517d5 Fabrice Bellard
        fflush(stderr);
1421
    }
1422 115329f1 Diego Biurrun
1423 1008ceb3 Michael Niedermayer
    if (is_last_report && verbose >= 0){
1424
        int64_t raw= audio_size + video_size + extra_size;
1425 f068206e Bill Eldridge
        fprintf(stderr, "\n");
1426 1008ceb3 Michael Niedermayer
        fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1427
                video_size/1024.0,
1428
                audio_size/1024.0,
1429
                extra_size/1024.0,
1430
                100.0*(total_size - raw)/raw
1431
        );
1432
    }
1433 ce7c56c2 Juanjo
}
1434
1435 a700a6ae Fabrice Bellard
/* pkt = NULL means EOF (needed to flush decoder buffers) */
1436
static int output_packet(AVInputStream *ist, int ist_index,
1437
                         AVOutputStream **ost_table, int nb_ostreams,
1438 4b85a28f Wolfram Gloger
                         const AVPacket *pkt)
1439 a700a6ae Fabrice Bellard
{
1440
    AVFormatContext *os;
1441
    AVOutputStream *ost;
1442 ede0e475 Thilo Borgmann
    int ret, i;
1443 8157483d Michael Niedermayer
    int got_picture;
1444 a700a6ae Fabrice Bellard
    AVFrame picture;
1445
    void *buffer_to_free;
1446 f038fe8b Diego Biurrun
    static unsigned int samples_size= 0;
1447 cf7fc795 Fabrice Bellard
    AVSubtitle subtitle, *subtitle_to_free;
1448 0ff4f0c0 Alexander Strange
    int64_t pkt_pts = AV_NOPTS_VALUE;
1449 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1450 d21f58b5 Baptiste Coudurier
    int frame_available;
1451 46847a33 Michael Niedermayer
#endif
1452
1453 ede0e475 Thilo Borgmann
    AVPacket avpkt;
1454 ba7d6e79 Stefano Sabatini
    int bps = av_get_bits_per_sample_fmt(ist->st->codec->sample_fmt)>>3;
1455 ede0e475 Thilo Borgmann
1456 ed923859 Michael Niedermayer
    if(ist->next_pts == AV_NOPTS_VALUE)
1457
        ist->next_pts= ist->pts;
1458
1459 a700a6ae Fabrice Bellard
    if (pkt == NULL) {
1460
        /* EOF handling */
1461 031e14ea Thilo Borgmann
        av_init_packet(&avpkt);
1462 ede0e475 Thilo Borgmann
        avpkt.data = NULL;
1463
        avpkt.size = 0;
1464 a700a6ae Fabrice Bellard
        goto handle_eof;
1465 031e14ea Thilo Borgmann
    } else {
1466
        avpkt = *pkt;
1467 a700a6ae Fabrice Bellard
    }
1468
1469 b1b818fc Michael Niedermayer
    if(pkt->dts != AV_NOPTS_VALUE)
1470
        ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1471 0ff4f0c0 Alexander Strange
    if(pkt->pts != AV_NOPTS_VALUE)
1472
        pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1473 b1b818fc Michael Niedermayer
1474 bd6754aa Michael Niedermayer
    //while we have more to decode or while the decoder did output something on EOF
1475 ede0e475 Thilo Borgmann
    while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1476 036c1382 Michael Niedermayer
        uint8_t *data_buf, *decoded_data_buf;
1477
        int data_size, decoded_data_size;
1478 a700a6ae Fabrice Bellard
    handle_eof:
1479 b1b818fc Michael Niedermayer
        ist->pts= ist->next_pts;
1480 19d5da50 Michael Niedermayer
1481 d859bb1d Sascha Sommer
        if(avpkt.size && avpkt.size != pkt->size &&
1482 6e2fdc3e Stefano Sabatini
           ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1483 40cb57a2 Michael Niedermayer
            fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1484 3ff0daf0 Michael Niedermayer
            ist->showed_multi_packet_warning=1;
1485
        }
1486 40cb57a2 Michael Niedermayer
1487 a700a6ae Fabrice Bellard
        /* decode the packet if needed */
1488 036c1382 Michael Niedermayer
        decoded_data_buf = NULL; /* fail safe */
1489
        decoded_data_size= 0;
1490
        data_buf  = avpkt.data;
1491
        data_size = avpkt.size;
1492 cf7fc795 Fabrice Bellard
        subtitle_to_free = NULL;
1493 a700a6ae Fabrice Bellard
        if (ist->decoding_needed) {
1494 01f4895c Michael Niedermayer
            switch(ist->st->codec->codec_type) {
1495 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:{
1496 81b060fa Loren Merritt
                if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1497
                    samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1498
                    av_free(samples);
1499
                    samples= av_malloc(samples_size);
1500
                }
1501 036c1382 Michael Niedermayer
                decoded_data_size= samples_size;
1502 a700a6ae Fabrice Bellard
                    /* XXX: could avoid copy if PCM 16 bits with same
1503
                       endianness as CPU */
1504 036c1382 Michael Niedermayer
                ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1505 ede0e475 Thilo Borgmann
                                            &avpkt);
1506 a700a6ae Fabrice Bellard
                if (ret < 0)
1507
                    goto fail_decode;
1508 ede0e475 Thilo Borgmann
                avpkt.data += ret;
1509
                avpkt.size -= ret;
1510 036c1382 Michael Niedermayer
                data_size   = ret;
1511 a700a6ae Fabrice Bellard
                /* Some bug in mpeg audio decoder gives */
1512 036c1382 Michael Niedermayer
                /* decoded_data_size < 0, it seems they are overflows */
1513
                if (decoded_data_size <= 0) {
1514 a700a6ae Fabrice Bellard
                    /* no audio frame */
1515
                    continue;
1516
                }
1517 036c1382 Michael Niedermayer
                decoded_data_buf = (uint8_t *)samples;
1518
                ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1519 01f4895c Michael Niedermayer
                    (ist->st->codec->sample_rate * ist->st->codec->channels);
1520 df84ac2e Michael Niedermayer
                break;}
1521 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
1522 036c1382 Michael Niedermayer
                    decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1523 a700a6ae Fabrice Bellard
                    /* XXX: allocate picture correctly */
1524 9740beff Michael Niedermayer
                    avcodec_get_frame_defaults(&picture);
1525 0ff4f0c0 Alexander Strange
                    ist->st->codec->reordered_opaque = pkt_pts;
1526
                    pkt_pts = AV_NOPTS_VALUE;
1527 9740beff Michael Niedermayer
1528 ede0e475 Thilo Borgmann
                    ret = avcodec_decode_video2(ist->st->codec,
1529
                                                &picture, &got_picture, &avpkt);
1530 a700a6ae Fabrice Bellard
                    ist->st->quality= picture.quality;
1531 115329f1 Diego Biurrun
                    if (ret < 0)
1532 a700a6ae Fabrice Bellard
                        goto fail_decode;
1533
                    if (!got_picture) {
1534
                        /* no picture yet */
1535
                        goto discard_packet;
1536
                    }
1537 0ff4f0c0 Alexander Strange
                    ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.reordered_opaque, ist->pts);
1538 01f4895c Michael Niedermayer
                    if (ist->st->codec->time_base.num != 0) {
1539 3797c74b Michael Niedermayer
                        int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1540 115329f1 Diego Biurrun
                        ist->next_pts += ((int64_t)AV_TIME_BASE *
1541 34583e1b Michael Niedermayer
                                          ist->st->codec->time_base.num * ticks) /
1542 01f4895c Michael Niedermayer
                            ist->st->codec->time_base.den;
1543 a700a6ae Fabrice Bellard
                    }
1544 ede0e475 Thilo Borgmann
                    avpkt.size = 0;
1545 a700a6ae Fabrice Bellard
                    break;
1546 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_SUBTITLE:
1547 ede0e475 Thilo Borgmann
                ret = avcodec_decode_subtitle2(ist->st->codec,
1548 28db3215 Alexander Strange
                                               &subtitle, &got_picture, &avpkt);
1549 cf7fc795 Fabrice Bellard
                if (ret < 0)
1550 a700a6ae Fabrice Bellard
                    goto fail_decode;
1551 28db3215 Alexander Strange
                if (!got_picture) {
1552 cf7fc795 Fabrice Bellard
                    goto discard_packet;
1553 a700a6ae Fabrice Bellard
                }
1554 cf7fc795 Fabrice Bellard
                subtitle_to_free = &subtitle;
1555 ede0e475 Thilo Borgmann
                avpkt.size = 0;
1556 cf7fc795 Fabrice Bellard
                break;
1557
            default:
1558
                goto fail_decode;
1559
            }
1560
        } else {
1561 bde0705c Limin Wang
            switch(ist->st->codec->codec_type) {
1562 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:
1563 bde0705c Limin Wang
                ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1564 1c715415 Michael Niedermayer
                    ist->st->codec->sample_rate;
1565 bde0705c Limin Wang
                break;
1566 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
1567 bde0705c Limin Wang
                if (ist->st->codec->time_base.num != 0) {
1568 3797c74b Michael Niedermayer
                    int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1569 bde0705c Limin Wang
                    ist->next_pts += ((int64_t)AV_TIME_BASE *
1570 34583e1b Michael Niedermayer
                                      ist->st->codec->time_base.num * ticks) /
1571 bde0705c Limin Wang
                        ist->st->codec->time_base.den;
1572 2fef0bdf Michael Niedermayer
                }
1573 bde0705c Limin Wang
                break;
1574 a700a6ae Fabrice Bellard
            }
1575 ede0e475 Thilo Borgmann
            ret = avpkt.size;
1576
            avpkt.size = 0;
1577 bde0705c Limin Wang
        }
1578 a700a6ae Fabrice Bellard
1579 bde0705c Limin Wang
        buffer_to_free = NULL;
1580 72415b2a Stefano Sabatini
        if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1581 bde0705c Limin Wang
            pre_process_video_frame(ist, (AVPicture *)&picture,
1582
                                    &buffer_to_free);
1583
        }
1584 a700a6ae Fabrice Bellard
1585 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1586
        if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->input_video_filter) {
1587
            // add it to be filtered
1588
            av_vsrc_buffer_add_frame(ist->input_video_filter, &picture,
1589
                                     ist->pts,
1590
                                     ist->st->codec->sample_aspect_ratio);
1591
        }
1592
#endif
1593
1594 bde0705c Limin Wang
        // preprocess audio (volume)
1595 72415b2a Stefano Sabatini
        if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1596 bde0705c Limin Wang
            if (audio_volume != 256) {
1597
                short *volp;
1598
                volp = samples;
1599 036c1382 Michael Niedermayer
                for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1600 bde0705c Limin Wang
                    int v = ((*volp) * audio_volume + 128) >> 8;
1601
                    if (v < -32768) v = -32768;
1602
                    if (v >  32767) v = 32767;
1603
                    *volp++ = v;
1604 7e987c33 Calcium
                }
1605
            }
1606 bde0705c Limin Wang
        }
1607 7e987c33 Calcium
1608 bde0705c Limin Wang
        /* frame rate emulation */
1609 3a25ca18 Stefano Sabatini
        if (rate_emu) {
1610 cb103a19 Stefano Sabatini
            int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1611 bde0705c Limin Wang
            int64_t now = av_gettime() - ist->start;
1612
            if (pts > now)
1613
                usleep(pts - now);
1614
        }
1615 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1616 d21f58b5 Baptiste Coudurier
        frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1617 dfd57757 Stefano Sabatini
            !ist->output_video_filter || avfilter_poll_frame(ist->output_video_filter->inputs[0]);
1618 46847a33 Michael Niedermayer
#endif
1619 bde0705c Limin Wang
        /* if output time reached then transcode raw format,
1620
           encode packets and output them */
1621
        if (start_time == 0 || ist->pts >= start_time)
1622 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1623 d21f58b5 Baptiste Coudurier
        while (frame_available) {
1624 ff0652e5 Stefano Sabatini
            AVRational ist_pts_tb;
1625 dfd57757 Stefano Sabatini
            if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->output_video_filter)
1626 ff0652e5 Stefano Sabatini
                get_filtered_video_frame(ist->output_video_filter, &picture, &ist->picref, &ist_pts_tb);
1627
            if (ist->picref)
1628 da1b9b88 Stefano Sabatini
                ist->pts = av_rescale_q(ist->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1629 46847a33 Michael Niedermayer
#endif
1630 bde0705c Limin Wang
            for(i=0;i<nb_ostreams;i++) {
1631
                int frame_size;
1632 a700a6ae Fabrice Bellard
1633 bde0705c Limin Wang
                ost = ost_table[i];
1634
                if (ost->source_index == ist_index) {
1635
                    os = output_files[ost->file_index];
1636 a700a6ae Fabrice Bellard
1637 bde0705c Limin Wang
                    /* set the input output pts pairs */
1638
                    //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1639
1640
                    if (ost->encoding_needed) {
1641 b926b628 Michael Niedermayer
                        av_assert0(ist->decoding_needed);
1642 bde0705c Limin Wang
                        switch(ost->st->codec->codec_type) {
1643 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_AUDIO:
1644 036c1382 Michael Niedermayer
                            do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1645 bde0705c Limin Wang
                            break;
1646 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_VIDEO:
1647 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1648 cc80caff S.N. Hemanth Meenakshisundaram
                            if (ist->picref->video)
1649
                                ost->st->codec->sample_aspect_ratio = ist->picref->video->pixel_aspect;
1650 46847a33 Michael Niedermayer
#endif
1651 bde0705c Limin Wang
                            do_video_out(os, ost, ist, &picture, &frame_size);
1652 b60d1379 Stefano Sabatini
                            if (vstats_filename && frame_size)
1653 bde0705c Limin Wang
                                do_video_stats(os, ost, frame_size);
1654
                            break;
1655 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_SUBTITLE:
1656 bde0705c Limin Wang
                            do_subtitle_out(os, ost, ist, &subtitle,
1657
                                            pkt->pts);
1658
                            break;
1659
                        default:
1660 0f4e8165 Ronald S. Bultje
                            abort();
1661 bde0705c Limin Wang
                        }
1662
                    } else {
1663
                        AVFrame avframe; //FIXME/XXX remove this
1664
                        AVPacket opkt;
1665 cdf38a17 Michael Niedermayer
                        int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1666
1667 bde0705c Limin Wang
                        av_init_packet(&opkt);
1668
1669 cc947f04 Jean-Daniel Dupas
                        if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1670 7cacf1e8 Michael Niedermayer
                            continue;
1671
1672 bde0705c Limin Wang
                        /* no reencoding needed : output the packet directly */
1673
                        /* force the input stream PTS */
1674
1675
                        avcodec_get_frame_defaults(&avframe);
1676
                        ost->st->codec->coded_frame= &avframe;
1677 cc947f04 Jean-Daniel Dupas
                        avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1678 bde0705c Limin Wang
1679 72415b2a Stefano Sabatini
                        if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1680 bde0705c Limin Wang
                            audio_size += data_size;
1681 72415b2a Stefano Sabatini
                        else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1682 bde0705c Limin Wang
                            video_size += data_size;
1683
                            ost->sync_opts++;
1684
                        }
1685
1686
                        opkt.stream_index= ost->index;
1687
                        if(pkt->pts != AV_NOPTS_VALUE)
1688 cdf38a17 Michael Niedermayer
                            opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1689 bde0705c Limin Wang
                        else
1690
                            opkt.pts= AV_NOPTS_VALUE;
1691
1692 d2ce2f5e Baptiste Coudurier
                        if (pkt->dts == AV_NOPTS_VALUE)
1693 181782ae Michael Niedermayer
                            opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1694 d2ce2f5e Baptiste Coudurier
                        else
1695
                            opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1696 cdf38a17 Michael Niedermayer
                        opkt.dts -= ost_tb_start_time;
1697 c0dd7b7c Michael Niedermayer
1698 a03d59b7 Aurelien Jacobs
                        opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1699 bde0705c Limin Wang
                        opkt.flags= pkt->flags;
1700
1701
                        //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1702 5bfe91e6 Michael Niedermayer
                        if(   ost->st->codec->codec_id != CODEC_ID_H264
1703
                           && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1704
                           && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1705
                           ) {
1706 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))
1707 9f907d85 Michael Niedermayer
                                opkt.destruct= av_destruct_packet;
1708 d310d56a Baptiste Coudurier
                        } else {
1709
                            opkt.data = data_buf;
1710
                            opkt.size = data_size;
1711
                        }
1712 bde0705c Limin Wang
1713 0b6d358a Nicolas George
                        write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1714 bde0705c Limin Wang
                        ost->st->codec->frame_number++;
1715
                        ost->frame_number++;
1716
                        av_free_packet(&opkt);
1717 a700a6ae Fabrice Bellard
                    }
1718
                }
1719 bde0705c Limin Wang
            }
1720 46847a33 Michael Niedermayer
1721
#if CONFIG_AVFILTER
1722 748db0fc Michael Niedermayer
            frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1723 dfd57757 Stefano Sabatini
                              ist->output_video_filter && avfilter_poll_frame(ist->output_video_filter->inputs[0]);
1724 46847a33 Michael Niedermayer
            if(ist->picref)
1725 7fce481a S.N. Hemanth Meenakshisundaram
                avfilter_unref_buffer(ist->picref);
1726 46847a33 Michael Niedermayer
        }
1727
#endif
1728 bde0705c Limin Wang
        av_free(buffer_to_free);
1729
        /* XXX: allocate the subtitles in the codec ? */
1730
        if (subtitle_to_free) {
1731
            if (subtitle_to_free->rects != NULL) {
1732
                for (i = 0; i < subtitle_to_free->num_rects; i++) {
1733 25b4c651 Michael Niedermayer
                    av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1734
                    av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1735 db4fac64 Michael Niedermayer
                    av_freep(&subtitle_to_free->rects[i]);
1736 c6ec28b1 Michael Niedermayer
                }
1737 bde0705c Limin Wang
                av_freep(&subtitle_to_free->rects);
1738 cf7fc795 Fabrice Bellard
            }
1739 bde0705c Limin Wang
            subtitle_to_free->num_rects = 0;
1740
            subtitle_to_free = NULL;
1741 a700a6ae Fabrice Bellard
        }
1742 bde0705c Limin Wang
    }
1743 a700a6ae Fabrice Bellard
 discard_packet:
1744 6f824977 Michael Niedermayer
    if (pkt == NULL) {
1745
        /* EOF handling */
1746 115329f1 Diego Biurrun
1747 6f824977 Michael Niedermayer
        for(i=0;i<nb_ostreams;i++) {
1748
            ost = ost_table[i];
1749
            if (ost->source_index == ist_index) {
1750 01f4895c Michael Niedermayer
                AVCodecContext *enc= ost->st->codec;
1751 6f824977 Michael Niedermayer
                os = output_files[ost->file_index];
1752 115329f1 Diego Biurrun
1753 72415b2a Stefano Sabatini
                if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1754 6f824977 Michael Niedermayer
                    continue;
1755 72415b2a Stefano Sabatini
                if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1756 6f824977 Michael Niedermayer
                    continue;
1757
1758
                if (ost->encoding_needed) {
1759
                    for(;;) {
1760
                        AVPacket pkt;
1761 cef7cc72 Justin Ruggles
                        int fifo_bytes;
1762 6f824977 Michael Niedermayer
                        av_init_packet(&pkt);
1763
                        pkt.stream_index= ost->index;
1764 115329f1 Diego Biurrun
1765 01f4895c Michael Niedermayer
                        switch(ost->st->codec->codec_type) {
1766 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_AUDIO:
1767 41dd680d Michael Niedermayer
                            fifo_bytes = av_fifo_size(ost->fifo);
1768 cef7cc72 Justin Ruggles
                            ret = 0;
1769
                            /* encode any samples remaining in fifo */
1770 b10d7e4e Baptiste Coudurier
                            if (fifo_bytes > 0) {
1771 ba7d6e79 Stefano Sabatini
                                int osize = av_get_bits_per_sample_fmt(enc->sample_fmt) >> 3;
1772 cef7cc72 Justin Ruggles
                                int fs_tmp = enc->frame_size;
1773 b10d7e4e Baptiste Coudurier
1774 79c85beb Justin Ruggles
                                av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1775 b10d7e4e Baptiste Coudurier
                                if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1776
                                    enc->frame_size = fifo_bytes / (osize * enc->channels);
1777
                                } else { /* pad */
1778
                                    int frame_bytes = enc->frame_size*osize*enc->channels;
1779 79c85beb Justin Ruggles
                                    if (allocated_audio_buf_size < frame_bytes)
1780 639e4ec8 Stefano Sabatini
                                        ffmpeg_exit(1);
1781 e91376d1 Justin Ruggles
                                    memset(audio_buf+fifo_bytes, 0, frame_bytes - fifo_bytes);
1782 b10d7e4e Baptiste Coudurier
                                }
1783
1784 79c85beb Justin Ruggles
                                ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1785 7c8689ef Baptiste Coudurier
                                pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1786
                                                          ost->st->time_base.num, enc->sample_rate);
1787 cef7cc72 Justin Ruggles
                                enc->frame_size = fs_tmp;
1788 9e0db7d5 Michael Niedermayer
                            }
1789
                            if(ret <= 0) {
1790 cef7cc72 Justin Ruggles
                                ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1791
                            }
1792 528271ff Michael Niedermayer
                            if (ret < 0) {
1793
                                fprintf(stderr, "Audio encoding failed\n");
1794 639e4ec8 Stefano Sabatini
                                ffmpeg_exit(1);
1795 528271ff Michael Niedermayer
                            }
1796 6f824977 Michael Niedermayer
                            audio_size += ret;
1797 cc947f04 Jean-Daniel Dupas
                            pkt.flags |= AV_PKT_FLAG_KEY;
1798 6f824977 Michael Niedermayer
                            break;
1799 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_VIDEO:
1800 8a6cb114 Michael Niedermayer
                            ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1801 528271ff Michael Niedermayer
                            if (ret < 0) {
1802
                                fprintf(stderr, "Video encoding failed\n");
1803 639e4ec8 Stefano Sabatini
                                ffmpeg_exit(1);
1804 528271ff Michael Niedermayer
                            }
1805 6f824977 Michael Niedermayer
                            video_size += ret;
1806
                            if(enc->coded_frame && enc->coded_frame->key_frame)
1807 cc947f04 Jean-Daniel Dupas
                                pkt.flags |= AV_PKT_FLAG_KEY;
1808 6f824977 Michael Niedermayer
                            if (ost->logfile && enc->stats_out) {
1809
                                fprintf(ost->logfile, "%s", enc->stats_out);
1810
                            }
1811
                            break;
1812
                        default:
1813
                            ret=-1;
1814
                        }
1815 115329f1 Diego Biurrun
1816 6f824977 Michael Niedermayer
                        if(ret<=0)
1817
                            break;
1818 27537106 Michael Niedermayer
                        pkt.data= bit_buffer;
1819 6f824977 Michael Niedermayer
                        pkt.size= ret;
1820 e7902f20 Michael Niedermayer
                        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1821 c0df9d75 Michael Niedermayer
                            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1822 0b6d358a Nicolas George
                        write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1823 6f824977 Michael Niedermayer
                    }
1824
                }
1825
            }
1826
        }
1827
    }
1828 115329f1 Diego Biurrun
1829 a700a6ae Fabrice Bellard
    return 0;
1830
 fail_decode:
1831
    return -1;
1832
}
1833
1834 6d1ba1ac Luca Abeni
static void print_sdp(AVFormatContext **avc, int n)
1835
{
1836
    char sdp[2048];
1837
1838
    avf_sdp_create(avc, n, sdp, sizeof(sdp));
1839
    printf("SDP:\n%s\n", sdp);
1840 536cd1db Luca Barbato
    fflush(stdout);
1841 6d1ba1ac Luca Abeni
}
1842 a700a6ae Fabrice Bellard
1843 7a39f142 Anton Khirnov
static int copy_chapters(int infile, int outfile)
1844
{
1845
    AVFormatContext *is = input_files[infile];
1846
    AVFormatContext *os = output_files[outfile];
1847
    int i;
1848
1849
    for (i = 0; i < is->nb_chapters; i++) {
1850
        AVChapter *in_ch = is->chapters[i], *out_ch;
1851
        AVMetadataTag *t = NULL;
1852
        int64_t ts_off   = av_rescale_q(start_time - input_files_ts_offset[infile],
1853
                                      AV_TIME_BASE_Q, in_ch->time_base);
1854
        int64_t rt       = (recording_time == INT64_MAX) ? INT64_MAX :
1855
                           av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1856
1857
1858
        if (in_ch->end < ts_off)
1859
            continue;
1860
        if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1861
            break;
1862
1863
        out_ch = av_mallocz(sizeof(AVChapter));
1864
        if (!out_ch)
1865
            return AVERROR(ENOMEM);
1866
1867
        out_ch->id        = in_ch->id;
1868
        out_ch->time_base = in_ch->time_base;
1869
        out_ch->start     = FFMAX(0,  in_ch->start - ts_off);
1870
        out_ch->end       = FFMIN(rt, in_ch->end   - ts_off);
1871
1872 d0abe80a Anton Khirnov
        if (metadata_chapters_autocopy)
1873 45290fcd Anton Khirnov
            while ((t = av_metadata_get(in_ch->metadata, "", t, AV_METADATA_IGNORE_SUFFIX)))
1874
                av_metadata_set2(&out_ch->metadata, t->key, t->value, 0);
1875 7a39f142 Anton Khirnov
1876
        os->nb_chapters++;
1877
        os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1878
        if (!os->chapters)
1879
            return AVERROR(ENOMEM);
1880
        os->chapters[os->nb_chapters - 1] = out_ch;
1881
    }
1882
    return 0;
1883
}
1884
1885 4ad08021 Nicolas George
static void parse_forced_key_frames(char *kf, AVOutputStream *ost,
1886
                                    AVCodecContext *avctx)
1887
{
1888
    char *p;
1889
    int n = 1, i;
1890
    int64_t t;
1891
1892
    for (p = kf; *p; p++)
1893
        if (*p == ',')
1894
            n++;
1895
    ost->forced_kf_count = n;
1896
    ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1897
    if (!ost->forced_kf_pts) {
1898
        av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1899
        ffmpeg_exit(1);
1900
    }
1901
    for (i = 0; i < n; i++) {
1902
        p = i ? strchr(p, ',') + 1 : kf;
1903
        t = parse_time_or_die("force_key_frames", p, 1);
1904
        ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1905
    }
1906
}
1907
1908 85f07f22 Fabrice Bellard
/*
1909
 * The following code is the main loop of the file converter
1910
 */
1911 3aace1bc Stefano Sabatini
static int transcode(AVFormatContext **output_files,
1912 065a20cb Stefano Sabatini
                     int nb_output_files,
1913
                     AVFormatContext **input_files,
1914
                     int nb_input_files,
1915
                     AVStreamMap *stream_maps, int nb_stream_maps)
1916 85f07f22 Fabrice Bellard
{
1917 002c95d7 Baptiste Coudurier
    int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1918 85f07f22 Fabrice Bellard
    AVFormatContext *is, *os;
1919
    AVCodecContext *codec, *icodec;
1920
    AVOutputStream *ost, **ost_table = NULL;
1921
    AVInputStream *ist, **ist_table = NULL;
1922 bdc4796f Fabrice Bellard
    AVInputFile *file_table;
1923 002c95d7 Baptiste Coudurier
    char error[1024];
1924 cb09b2ed Philip Gladstone
    int key;
1925 6d1ba1ac Luca Abeni
    int want_sdp = 1;
1926 545465ec Michael Niedermayer
    uint8_t no_packet[MAX_FILES]={0};
1927
    int no_packet_count=0;
1928 bdc4796f Fabrice Bellard
1929 90901860 Michael Niedermayer
    file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1930 bdc4796f Fabrice Bellard
    if (!file_table)
1931
        goto fail;
1932 115329f1 Diego Biurrun
1933 85f07f22 Fabrice Bellard
    /* input stream init */
1934
    j = 0;
1935
    for(i=0;i<nb_input_files;i++) {
1936
        is = input_files[i];
1937
        file_table[i].ist_index = j;
1938 79fdaa4c Fabrice Bellard
        file_table[i].nb_streams = is->nb_streams;
1939 85f07f22 Fabrice Bellard
        j += is->nb_streams;
1940
    }
1941
    nb_istreams = j;
1942
1943
    ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1944
    if (!ist_table)
1945 bdc4796f Fabrice Bellard
        goto fail;
1946 115329f1 Diego Biurrun
1947 85f07f22 Fabrice Bellard
    for(i=0;i<nb_istreams;i++) {
1948
        ist = av_mallocz(sizeof(AVInputStream));
1949
        if (!ist)
1950
            goto fail;
1951
        ist_table[i] = ist;
1952
    }
1953
    j = 0;
1954
    for(i=0;i<nb_input_files;i++) {
1955
        is = input_files[i];
1956
        for(k=0;k<is->nb_streams;k++) {
1957
            ist = ist_table[j++];
1958
            ist->st = is->streams[k];
1959
            ist->file_index = i;
1960
            ist->index = k;
1961
            ist->discard = 1; /* the stream is discarded by default
1962
                                 (changed later) */
1963 bdfcbbed Max Krasnyansky
1964 3a25ca18 Stefano Sabatini
            if (rate_emu) {
1965 bdfcbbed Max Krasnyansky
                ist->start = av_gettime();
1966
            }
1967 85f07f22 Fabrice Bellard
        }
1968
    }
1969
1970
    /* output stream init */
1971
    nb_ostreams = 0;
1972
    for(i=0;i<nb_output_files;i++) {
1973
        os = output_files[i];
1974 8a7bde1c Baptiste Coudurier
        if (!os->nb_streams) {
1975 fc5d0db5 Stefano Sabatini
            dump_format(output_files[i], i, output_files[i]->filename, 1);
1976
            fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1977 d62ccec8 Jai Menon
            ret = AVERROR(EINVAL);
1978
            goto fail;
1979 8a7bde1c Baptiste Coudurier
        }
1980 85f07f22 Fabrice Bellard
        nb_ostreams += os->nb_streams;
1981
    }
1982
    if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1983
        fprintf(stderr, "Number of stream maps must match number of output streams\n");
1984 d62ccec8 Jai Menon
        ret = AVERROR(EINVAL);
1985
        goto fail;
1986 85f07f22 Fabrice Bellard
    }
1987
1988 bd073980 Brian Foley
    /* Sanity check the mapping args -- do the input files & streams exist? */
1989
    for(i=0;i<nb_stream_maps;i++) {
1990
        int fi = stream_maps[i].file_index;
1991
        int si = stream_maps[i].stream_index;
1992 115329f1 Diego Biurrun
1993 bd073980 Brian Foley
        if (fi < 0 || fi > nb_input_files - 1 ||
1994
            si < 0 || si > file_table[fi].nb_streams - 1) {
1995
            fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1996 d62ccec8 Jai Menon
            ret = AVERROR(EINVAL);
1997
            goto fail;
1998 bd073980 Brian Foley
        }
1999 b4a3389e Wolfram Gloger
        fi = stream_maps[i].sync_file_index;
2000
        si = stream_maps[i].sync_stream_index;
2001
        if (fi < 0 || fi > nb_input_files - 1 ||
2002
            si < 0 || si > file_table[fi].nb_streams - 1) {
2003
            fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2004 d62ccec8 Jai Menon
            ret = AVERROR(EINVAL);
2005
            goto fail;
2006 b4a3389e Wolfram Gloger
        }
2007 bd073980 Brian Foley
    }
2008 115329f1 Diego Biurrun
2009 85f07f22 Fabrice Bellard
    ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2010
    if (!ost_table)
2011
        goto fail;
2012
    n = 0;
2013
    for(k=0;k<nb_output_files;k++) {
2014
        os = output_files[k];
2015 de427ff4 Stefano Sabatini
        for(i=0;i<os->nb_streams;i++,n++) {
2016 85f07f22 Fabrice Bellard
            int found;
2017 9fdf4b58 Nicolas George
            ost = ost_table[n] = output_streams_for_file[k][i];
2018 85f07f22 Fabrice Bellard
            ost->st = os->streams[i];
2019
            if (nb_stream_maps > 0) {
2020 de427ff4 Stefano Sabatini
                ost->source_index = file_table[stream_maps[n].file_index].ist_index +
2021
                    stream_maps[n].stream_index;
2022 115329f1 Diego Biurrun
2023 bd073980 Brian Foley
                /* Sanity check that the stream types match */
2024 01f4895c Michael Niedermayer
                if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
2025 150d5a25 Stefano Sabatini
                    int i= ost->file_index;
2026
                    dump_format(output_files[i], i, output_files[i]->filename, 1);
2027 bd073980 Brian Foley
                    fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2028 de427ff4 Stefano Sabatini
                        stream_maps[n].file_index, stream_maps[n].stream_index,
2029 bd073980 Brian Foley
                        ost->file_index, ost->index);
2030 639e4ec8 Stefano Sabatini
                    ffmpeg_exit(1);
2031 bd073980 Brian Foley
                }
2032 115329f1 Diego Biurrun
2033 85f07f22 Fabrice Bellard
            } else {
2034 247e3954 Michael Niedermayer
                int best_nb_frames=-1;
2035 3f1710e7 Ramiro Polla
                /* get corresponding input stream index : we select the first one with the right type */
2036
                found = 0;
2037
                for(j=0;j<nb_istreams;j++) {
2038
                    int skip=0;
2039
                    ist = ist_table[j];
2040
                    if(opt_programid){
2041
                        int pi,si;
2042
                        AVFormatContext *f= input_files[ ist->file_index ];
2043
                        skip=1;
2044
                        for(pi=0; pi<f->nb_programs; pi++){
2045
                            AVProgram *p= f->programs[pi];
2046
                            if(p->id == opt_programid)
2047
                                for(si=0; si<p->nb_stream_indexes; si++){
2048
                                    if(f->streams[ p->stream_index[si] ] == ist->st)
2049
                                        skip=0;
2050
                                }
2051 6d3d3b83 Michael Niedermayer
                        }
2052 3f1710e7 Ramiro Polla
                    }
2053
                    if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2054
                        ist->st->codec->codec_type == ost->st->codec->codec_type) {
2055
                        if(best_nb_frames < ist->st->codec_info_nb_frames){
2056
                            best_nb_frames= ist->st->codec_info_nb_frames;
2057
                            ost->source_index = j;
2058
                            found = 1;
2059 85f07f22 Fabrice Bellard
                        }
2060
                    }
2061 3f1710e7 Ramiro Polla
                }
2062 a15bc651 Nico Sabbi
2063
                if (!found) {
2064
                    if(! opt_programid) {
2065
                        /* try again and reuse existing stream */
2066
                        for(j=0;j<nb_istreams;j++) {
2067
                            ist = ist_table[j];
2068 6d3d3b83 Michael Niedermayer
                            if (   ist->st->codec->codec_type == ost->st->codec->codec_type
2069
                                && ist->st->discard != AVDISCARD_ALL) {
2070 a15bc651 Nico Sabbi
                                ost->source_index = j;
2071
                                found = 1;
2072
                            }
2073
                        }
2074 50e143c4 Nico Sabbi
                    }
2075 85f07f22 Fabrice Bellard
                    if (!found) {
2076 462cca10 Stefano Sabatini
                        int i= ost->file_index;
2077
                        dump_format(output_files[i], i, output_files[i]->filename, 1);
2078 85f07f22 Fabrice Bellard
                        fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2079
                                ost->file_index, ost->index);
2080 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2081 85f07f22 Fabrice Bellard
                    }
2082
                }
2083
            }
2084
            ist = ist_table[ost->source_index];
2085
            ist->discard = 0;
2086 b4a3389e Wolfram Gloger
            ost->sync_ist = (nb_stream_maps > 0) ?
2087 de427ff4 Stefano Sabatini
                ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2088
                         stream_maps[n].sync_stream_index] : ist;
2089 85f07f22 Fabrice Bellard
        }
2090
    }
2091
2092
    /* for each output stream, we compute the right encoding parameters */
2093
    for(i=0;i<nb_ostreams;i++) {
2094 46e6fb4c Anton Khirnov
        AVMetadataTag *t = NULL;
2095 85f07f22 Fabrice Bellard
        ost = ost_table[i];
2096 365515ac Michael Niedermayer
        os = output_files[ost->file_index];
2097 85f07f22 Fabrice Bellard
        ist = ist_table[ost->source_index];
2098
2099 01f4895c Michael Niedermayer
        codec = ost->st->codec;
2100
        icodec = ist->st->codec;
2101 85f07f22 Fabrice Bellard
2102 d0abe80a Anton Khirnov
        if (metadata_streams_autocopy)
2103 45290fcd Anton Khirnov
            while ((t = av_metadata_get(ist->st->metadata, "", t, AV_METADATA_IGNORE_SUFFIX))) {
2104
                av_metadata_set2(&ost->st->metadata, t->key, t->value, AV_METADATA_DONT_OVERWRITE);
2105
            }
2106 8e0d882b Aurelien Jacobs
2107 90c2295b Evgeniy Stepanov
        ost->st->disposition = ist->st->disposition;
2108 a39b76ea Michael Niedermayer
        codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2109 de961801 David Conrad
        codec->chroma_sample_location = icodec->chroma_sample_location;
2110 90c2295b Evgeniy Stepanov
2111 1629626f Fabrice Bellard
        if (ost->st->stream_copy) {
2112 b659c8b4 Luca Abeni
            uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2113
2114
            if (extra_size > INT_MAX)
2115
                goto fail;
2116
2117 1629626f Fabrice Bellard
            /* if stream_copy is selected, no need to decode or encode */
2118
            codec->codec_id = icodec->codec_id;
2119
            codec->codec_type = icodec->codec_type;
2120 365515ac Michael Niedermayer
2121
            if(!codec->codec_tag){
2122
                if(   !os->oformat->codec_tag
2123 37ce3d6b Michael Niedermayer
                   || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2124 365515ac Michael Niedermayer
                   || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2125
                    codec->codec_tag = icodec->codec_tag;
2126
            }
2127
2128 1629626f Fabrice Bellard
            codec->bit_rate = icodec->bit_rate;
2129 2dec2bb8 Michael Niedermayer
            codec->rc_max_rate    = icodec->rc_max_rate;
2130
            codec->rc_buffer_size = icodec->rc_buffer_size;
2131 b659c8b4 Luca Abeni
            codec->extradata= av_mallocz(extra_size);
2132
            if (!codec->extradata)
2133
                goto fail;
2134
            memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2135 dffbfd06 Michael Niedermayer
            codec->extradata_size= icodec->extradata_size;
2136 3797c74b Michael Niedermayer
            if(av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000){
2137 d29de719 Michael Niedermayer
                codec->time_base = icodec->time_base;
2138 3797c74b Michael Niedermayer
                codec->time_base.num *= icodec->ticks_per_frame;
2139 8abcbf2d Baptiste Coudurier
                av_reduce(&codec->time_base.num, &codec->time_base.den,
2140
                          codec->time_base.num, codec->time_base.den, INT_MAX);
2141 3797c74b Michael Niedermayer
            }else
2142 d29de719 Michael Niedermayer
                codec->time_base = ist->st->time_base;
2143 1629626f Fabrice Bellard
            switch(codec->codec_type) {
2144 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:
2145 d08e3e91 Ramiro Polla
                if(audio_volume != 256) {
2146
                    fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2147 639e4ec8 Stefano Sabatini
                    ffmpeg_exit(1);
2148 d08e3e91 Ramiro Polla
                }
2149 13367a46 Benjamin Larsson
                codec->channel_layout = icodec->channel_layout;
2150 1629626f Fabrice Bellard
                codec->sample_rate = icodec->sample_rate;
2151
                codec->channels = icodec->channels;
2152 0a3b0447 Michael Niedermayer
                codec->frame_size = icodec->frame_size;
2153 c1344911 Michael Niedermayer
                codec->block_align= icodec->block_align;
2154 4efd6f58 Michael Niedermayer
                if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2155
                    codec->block_align= 0;
2156 bcbd328e Michael Niedermayer
                if(codec->codec_id == CODEC_ID_AC3)
2157
                    codec->block_align= 0;
2158 1629626f Fabrice Bellard
                break;
2159 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
2160 9df3437f Baptiste Coudurier
                codec->pix_fmt = icodec->pix_fmt;
2161 1629626f Fabrice Bellard
                codec->width = icodec->width;
2162
                codec->height = icodec->height;
2163 ff8cc24b Michael Niedermayer
                codec->has_b_frames = icodec->has_b_frames;
2164 1629626f Fabrice Bellard
                break;
2165 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_SUBTITLE:
2166 d43b26ea David Conrad
                codec->width = icodec->width;
2167
                codec->height = icodec->height;
2168 cf7fc795 Fabrice Bellard
                break;
2169 1629626f Fabrice Bellard
            default:
2170 0f4e8165 Ronald S. Bultje
                abort();
2171 1629626f Fabrice Bellard
            }
2172
        } else {
2173
            switch(codec->codec_type) {
2174 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:
2175 41dd680d Michael Niedermayer
                ost->fifo= av_fifo_alloc(1024);
2176
                if(!ost->fifo)
2177 85f07f22 Fabrice Bellard
                    goto fail;
2178 5d6e4c16 Stefano Sabatini
                ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2179 2886f311 Andreas Öman
                ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2180
                icodec->request_channels = codec->channels;
2181 85f07f22 Fabrice Bellard
                ist->decoding_needed = 1;
2182
                ost->encoding_needed = 1;
2183 1629626f Fabrice Bellard
                break;
2184 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
2185 761c8c92 Baptiste Coudurier
                if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2186 562f22a6 Ronald S. Bultje
                    fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2187 639e4ec8 Stefano Sabatini
                    ffmpeg_exit(1);
2188 761c8c92 Baptiste Coudurier
                }
2189 5879ea6d Stefano Sabatini
                ost->video_resample = (codec->width != icodec->width   ||
2190
                                       codec->height != icodec->height ||
2191 18a54b04 Luca Abeni
                        (codec->pix_fmt != icodec->pix_fmt));
2192 c3f11d19 Luca Abeni
                if (ost->video_resample) {
2193 2de28abb Michael Niedermayer
                    avcodec_get_frame_defaults(&ost->pict_tmp);
2194 9d58e0a9 Baptiste Coudurier
                    if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2195
                                         codec->width, codec->height)) {
2196 eddc482d Baptiste Coudurier
                        fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2197 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2198 eddc482d Baptiste Coudurier
                    }
2199 9de8e6ac Ronald S. Bultje
                    sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2200 18a54b04 Luca Abeni
                    ost->img_resample_ctx = sws_getContext(
2201 5879ea6d Stefano Sabatini
                        icodec->width,
2202
                        icodec->height,
2203 18a54b04 Luca Abeni
                            icodec->pix_fmt,
2204 0c22311b Michael Niedermayer
                            codec->width,
2205
                            codec->height,
2206 18a54b04 Luca Abeni
                            codec->pix_fmt,
2207
                            sws_flags, NULL, NULL, NULL);
2208 0b50ac8a Luca Abeni
                    if (ost->img_resample_ctx == NULL) {
2209
                        fprintf(stderr, "Cannot get resampling context\n");
2210 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2211 0b50ac8a Luca Abeni
                    }
2212 352666c1 Eric Buehl
2213 46847a33 Michael Niedermayer
#if !CONFIG_AVFILTER
2214 352666c1 Eric Buehl
                    ost->original_height = icodec->height;
2215
                    ost->original_width  = icodec->width;
2216 46847a33 Michael Niedermayer
#endif
2217 a39b76ea Michael Niedermayer
                    codec->bits_per_raw_sample= 0;
2218 85f07f22 Fabrice Bellard
                }
2219 5879ea6d Stefano Sabatini
                ost->resample_height = icodec->height;
2220
                ost->resample_width  = icodec->width;
2221 b83ccbff Michael Niedermayer
                ost->resample_pix_fmt= icodec->pix_fmt;
2222 85f07f22 Fabrice Bellard
                ost->encoding_needed = 1;
2223
                ist->decoding_needed = 1;
2224 46847a33 Michael Niedermayer
2225
#if CONFIG_AVFILTER
2226
                if (configure_filters(ist, ost)) {
2227
                    fprintf(stderr, "Error opening filters!\n");
2228
                    exit(1);
2229
                }
2230
#endif
2231 1629626f Fabrice Bellard
                break;
2232 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_SUBTITLE:
2233 cf7fc795 Fabrice Bellard
                ost->encoding_needed = 1;
2234
                ist->decoding_needed = 1;
2235
                break;
2236 1629626f Fabrice Bellard
            default:
2237 0f4e8165 Ronald S. Bultje
                abort();
2238 cf7fc795 Fabrice Bellard
                break;
2239 85f07f22 Fabrice Bellard
            }
2240 1629626f Fabrice Bellard
            /* two pass mode */
2241 115329f1 Diego Biurrun
            if (ost->encoding_needed &&
2242 1629626f Fabrice Bellard
                (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2243
                char logfilename[1024];
2244
                FILE *f;
2245 115329f1 Diego Biurrun
2246
                snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2247 22730e87 Stefano Sabatini
                         pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2248
                         i);
2249 1629626f Fabrice Bellard
                if (codec->flags & CODEC_FLAG_PASS1) {
2250 c56e9e05 Ramiro Polla
                    f = fopen(logfilename, "wb");
2251 1629626f Fabrice Bellard
                    if (!f) {
2252 42d1d06e Stefano Sabatini
                        fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2253 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2254 1629626f Fabrice Bellard
                    }
2255
                    ost->logfile = f;
2256
                } else {
2257 458b062d Stefano Sabatini
                    char  *logbuffer;
2258
                    size_t logbuffer_size;
2259
                    if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2260
                        fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2261 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2262 1629626f Fabrice Bellard
                    }
2263
                    codec->stats_in = logbuffer;
2264 5abdb4b1 Fabrice Bellard
                }
2265
            }
2266
        }
2267 72415b2a Stefano Sabatini
        if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2268 8a6cb114 Michael Niedermayer
            int size= codec->width * codec->height;
2269 c027e91a Peter Ross
            bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2270 8a6cb114 Michael Niedermayer
        }
2271 85f07f22 Fabrice Bellard
    }
2272
2273 8a6cb114 Michael Niedermayer
    if (!bit_buffer)
2274
        bit_buffer = av_malloc(bit_buffer_size);
2275 002c95d7 Baptiste Coudurier
    if (!bit_buffer) {
2276 50f3fabc Måns Rullgård
        fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2277
                bit_buffer_size);
2278 002c95d7 Baptiste Coudurier
        ret = AVERROR(ENOMEM);
2279 8a6cb114 Michael Niedermayer
        goto fail;
2280 1629626f Fabrice Bellard
    }
2281
2282 85f07f22 Fabrice Bellard
    /* open each encoder */
2283
    for(i=0;i<nb_ostreams;i++) {
2284
        ost = ost_table[i];
2285
        if (ost->encoding_needed) {
2286 0a6d97b3 Aurelien Jacobs
            AVCodec *codec = i < nb_output_codecs ? output_codecs[i] : NULL;
2287 6488cf9b Aurelien Jacobs
            if (!codec)
2288 fd2b356a Aurelien Jacobs
                codec = avcodec_find_encoder(ost->st->codec->codec_id);
2289 85f07f22 Fabrice Bellard
            if (!codec) {
2290 f356fc57 Baptiste Coudurier
                snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2291
                         ost->st->codec->codec_id, ost->file_index, ost->index);
2292 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2293
                goto dump_format;
2294 85f07f22 Fabrice Bellard
            }
2295 01f4895c Michael Niedermayer
            if (avcodec_open(ost->st->codec, codec) < 0) {
2296 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",
2297 85f07f22 Fabrice Bellard
                        ost->file_index, ost->index);
2298 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2299
                goto dump_format;
2300 85f07f22 Fabrice Bellard
            }
2301 01f4895c Michael Niedermayer
            extra_size += ost->st->codec->extradata_size;
2302 85f07f22 Fabrice Bellard
        }
2303
    }
2304
2305
    /* open each decoder */
2306
    for(i=0;i<nb_istreams;i++) {
2307
        ist = ist_table[i];
2308
        if (ist->decoding_needed) {
2309 311e223f Aurelien Jacobs
            AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL;
2310 6488cf9b Aurelien Jacobs
            if (!codec)
2311 fd2b356a Aurelien Jacobs
                codec = avcodec_find_decoder(ist->st->codec->codec_id);
2312 85f07f22 Fabrice Bellard
            if (!codec) {
2313 f356fc57 Baptiste Coudurier
                snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2314 01f4895c Michael Niedermayer
                        ist->st->codec->codec_id, ist->file_index, ist->index);
2315 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2316
                goto dump_format;
2317 85f07f22 Fabrice Bellard
            }
2318 01f4895c Michael Niedermayer
            if (avcodec_open(ist->st->codec, codec) < 0) {
2319 f356fc57 Baptiste Coudurier
                snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2320 85f07f22 Fabrice Bellard
                        ist->file_index, ist->index);
2321 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2322
                goto dump_format;
2323 85f07f22 Fabrice Bellard
            }
2324 72415b2a Stefano Sabatini
            //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2325 01f4895c Michael Niedermayer
            //    ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2326 85f07f22 Fabrice Bellard
        }
2327
    }
2328
2329
    /* init pts */
2330
    for(i=0;i<nb_istreams;i++) {
2331 b8c93c48 Michael Niedermayer
        AVStream *st;
2332 85f07f22 Fabrice Bellard
        ist = ist_table[i];
2333 b8c93c48 Michael Niedermayer
        st= ist->st;
2334
        ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2335 48291040 Michael Niedermayer
        ist->next_pts = AV_NOPTS_VALUE;
2336 0ff4f0c0 Alexander Strange
        init_pts_correction(&ist->pts_ctx);
2337 ff4905a5 Michael Niedermayer
        ist->is_start = 1;
2338 85f07f22 Fabrice Bellard
    }
2339 c5e1e982 Justin Johnson
2340 0a38bafd Patrice Bensoussan
    /* set meta data information from input file if required */
2341
    for (i=0;i<nb_meta_data_maps;i++) {
2342 1829e195 Anton Khirnov
        AVFormatContext *files[2];
2343
        AVMetadata      **meta[2];
2344 a5926d85 Aurelien Jacobs
        AVMetadataTag *mtag;
2345 1829e195 Anton Khirnov
        int j;
2346 0a38bafd Patrice Bensoussan
2347 1829e195 Anton Khirnov
#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2348
        if ((index) < 0 || (index) >= (nb_elems)) {\
2349
            snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\
2350
                     (desc), (index));\
2351
            ret = AVERROR(EINVAL);\
2352
            goto dump_format;\
2353 115329f1 Diego Biurrun
        }
2354
2355 1829e195 Anton Khirnov
        int out_file_index = meta_data_maps[i][0].file;
2356
        int in_file_index = meta_data_maps[i][1].file;
2357 7b393736 Anton Khirnov
        if (in_file_index < 0 || out_file_index < 0)
2358
            continue;
2359 1829e195 Anton Khirnov
        METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
2360
        METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
2361 0a38bafd Patrice Bensoussan
2362 1829e195 Anton Khirnov
        files[0] = output_files[out_file_index];
2363
        files[1] = input_files[in_file_index];
2364
2365
        for (j = 0; j < 2; j++) {
2366
            AVMetaDataMap *map = &meta_data_maps[i][j];
2367
2368
            switch (map->type) {
2369
            case 'g':
2370
                meta[j] = &files[j]->metadata;
2371
                break;
2372
            case 's':
2373
                METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
2374
                meta[j] = &files[j]->streams[map->index]->metadata;
2375
                break;
2376
            case 'c':
2377
                METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
2378
                meta[j] = &files[j]->chapters[map->index]->metadata;
2379
                break;
2380
            case 'p':
2381
                METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
2382
                meta[j] = &files[j]->programs[map->index]->metadata;
2383
                break;
2384
            }
2385
        }
2386 a5926d85 Aurelien Jacobs
2387
        mtag=NULL;
2388 1829e195 Anton Khirnov
        while((mtag=av_metadata_get(*meta[1], "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2389
            av_metadata_set2(meta[0], mtag->key, mtag->value, AV_METADATA_DONT_OVERWRITE);
2390 0a38bafd Patrice Bensoussan
    }
2391 115329f1 Diego Biurrun
2392 91e96eba Anton Khirnov
    /* copy chapters according to chapter maps */
2393
    for (i = 0; i < nb_chapter_maps; i++) {
2394
        int infile  = chapter_maps[i].in_file;
2395
        int outfile = chapter_maps[i].out_file;
2396
2397
        if (infile < 0 || outfile < 0)
2398
            continue;
2399
        if (infile >= nb_input_files) {
2400
            snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile);
2401
            ret = AVERROR(EINVAL);
2402
            goto dump_format;
2403
        }
2404
        if (outfile >= nb_output_files) {
2405
            snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile);
2406
            ret = AVERROR(EINVAL);
2407
            goto dump_format;
2408
        }
2409
        copy_chapters(infile, outfile);
2410
    }
2411
2412 7a39f142 Anton Khirnov
    /* copy chapters from the first input file that has them*/
2413 91e96eba Anton Khirnov
    if (!nb_chapter_maps)
2414 a9c2bf9d Anton Khirnov
        for (i = 0; i < nb_input_files; i++) {
2415
            if (!input_files[i]->nb_chapters)
2416
                continue;
2417 7a39f142 Anton Khirnov
2418 a9c2bf9d Anton Khirnov
            for (j = 0; j < nb_output_files; j++)
2419
                if ((ret = copy_chapters(i, j)) < 0)
2420
                    goto dump_format;
2421 09f47fa4 Anton Khirnov
            break;
2422 a9c2bf9d Anton Khirnov
        }
2423 7a39f142 Anton Khirnov
2424 85f07f22 Fabrice Bellard
    /* open files and write file headers */
2425
    for(i=0;i<nb_output_files;i++) {
2426
        os = output_files[i];
2427 79fdaa4c Fabrice Bellard
        if (av_write_header(os) < 0) {
2428 002c95d7 Baptiste Coudurier
            snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2429 8fa36ae0 François Revol
            ret = AVERROR(EINVAL);
2430 002c95d7 Baptiste Coudurier
            goto dump_format;
2431 a38469e1 Fabrice Bellard
        }
2432 6d1ba1ac Luca Abeni
        if (strcmp(output_files[i]->oformat->name, "rtp")) {
2433
            want_sdp = 0;
2434
        }
2435
    }
2436 002c95d7 Baptiste Coudurier
2437
 dump_format:
2438
    /* dump the file output parameters - cannot be done before in case
2439
       of stream copy */
2440
    for(i=0;i<nb_output_files;i++) {
2441
        dump_format(output_files[i], i, output_files[i]->filename, 1);
2442
    }
2443
2444
    /* dump the stream mapping */
2445
    if (verbose >= 0) {
2446
        fprintf(stderr, "Stream mapping:\n");
2447
        for(i=0;i<nb_ostreams;i++) {
2448
            ost = ost_table[i];
2449
            fprintf(stderr, "  Stream #%d.%d -> #%d.%d",
2450
                    ist_table[ost->source_index]->file_index,
2451
                    ist_table[ost->source_index]->index,
2452
                    ost->file_index,
2453
                    ost->index);
2454
            if (ost->sync_ist != ist_table[ost->source_index])
2455
                fprintf(stderr, " [sync #%d.%d]",
2456
                        ost->sync_ist->file_index,
2457
                        ost->sync_ist->index);
2458
            fprintf(stderr, "\n");
2459
        }
2460
    }
2461
2462
    if (ret) {
2463
        fprintf(stderr, "%s\n", error);
2464
        goto fail;
2465
    }
2466
2467 6d1ba1ac Luca Abeni
    if (want_sdp) {
2468
        print_sdp(output_files, nb_output_files);
2469 85f07f22 Fabrice Bellard
    }
2470
2471 9d58e0a9 Baptiste Coudurier
    if (!using_stdin && verbose >= 0) {
2472 d9a916e2 Charles Yates
        fprintf(stderr, "Press [q] to stop encoding\n");
2473 b51469a0 Leon van Stuivenberg
        url_set_interrupt_cb(decode_interrupt_cb);
2474
    }
2475 a38469e1 Fabrice Bellard
    term_init();
2476
2477 7fc98937 Limin Wang
    timer_start = av_gettime();
2478 51bd4565 Philip Gladstone
2479 d9a916e2 Charles Yates
    for(; received_sigterm == 0;) {
2480 85f07f22 Fabrice Bellard
        int file_index, ist_index;
2481
        AVPacket pkt;
2482 a9aeda81 Patrice Bensoussan
        double ipts_min;
2483
        double opts_min;
2484 23ffe323 Michael Niedermayer
2485 85f07f22 Fabrice Bellard
    redo:
2486 a9aeda81 Patrice Bensoussan
        ipts_min= 1e100;
2487
        opts_min= 1e100;
2488 a38469e1 Fabrice Bellard
        /* if 'q' pressed, exits */
2489 d9a916e2 Charles Yates
        if (!using_stdin) {
2490 b51469a0 Leon van Stuivenberg
            if (q_pressed)
2491
                break;
2492 cb09b2ed Philip Gladstone
            /* read_key() returns 0 on EOF */
2493
            key = read_key();
2494
            if (key == 'q')
2495
                break;
2496
        }
2497 a38469e1 Fabrice Bellard
2498 ec5517d5 Fabrice Bellard
        /* select the stream that we must read now by looking at the
2499
           smallest output pts */
2500 85f07f22 Fabrice Bellard
        file_index = -1;
2501 ec5517d5 Fabrice Bellard
        for(i=0;i<nb_ostreams;i++) {
2502 23ffe323 Michael Niedermayer
            double ipts, opts;
2503 ec5517d5 Fabrice Bellard
            ost = ost_table[i];
2504
            os = output_files[ost->file_index];
2505
            ist = ist_table[ost->source_index];
2506 55a7e946 Wolfram Gloger
            if(ist->is_past_recording_time || no_packet[ist->file_index])
2507 545465ec Michael Niedermayer
                continue;
2508 c0df9d75 Michael Niedermayer
                opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2509 23ffe323 Michael Niedermayer
            ipts = (double)ist->pts;
2510
            if (!file_table[ist->file_index].eof_reached){
2511
                if(ipts < ipts_min) {
2512
                    ipts_min = ipts;
2513
                    if(input_sync ) file_index = ist->file_index;
2514
                }
2515
                if(opts < opts_min) {
2516
                    opts_min = opts;
2517
                    if(!input_sync) file_index = ist->file_index;
2518
                }
2519 85f07f22 Fabrice Bellard
            }
2520 01f4895c Michael Niedermayer
            if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2521 7ca60994 Michael Niedermayer
                file_index= -1;
2522
                break;
2523
            }
2524 85f07f22 Fabrice Bellard
        }
2525
        /* if none, if is finished */
2526 51bd4565 Philip Gladstone
        if (file_index < 0) {
2527 545465ec Michael Niedermayer
            if(no_packet_count){
2528
                no_packet_count=0;
2529