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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 63e8d976 Stefano Sabatini
#include "libavcore/audioconvert.h"
40 126b638e Stefano Sabatini
#include "libavcore/parseutils.h"
41 ba7d6e79 Stefano Sabatini
#include "libavcore/samplefmt.h"
42 2b4abbd6 Stefano Sabatini
#include "libavutil/colorspace.h"
43 245976da Diego Biurrun
#include "libavutil/fifo.h"
44 2839dc97 Stefano Sabatini
#include "libavutil/intreadwrite.h"
45 718c7b18 Stefano Sabatini
#include "libavutil/pixdesc.h"
46 245976da Diego Biurrun
#include "libavutil/avstring.h"
47 335ee1aa Måns Rullgård
#include "libavutil/libm.h"
48 245976da Diego Biurrun
#include "libavformat/os_support.h"
49 daf8e955 Fabrice Bellard
50 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
51
# include "libavfilter/avfilter.h"
52
# include "libavfilter/avfiltergraph.h"
53
# include "libavfilter/vsrc_buffer.h"
54
#endif
55
56 b250f9c6 Aurelien Jacobs
#if HAVE_SYS_RESOURCE_H
57 0a1b29de Dave Yeo
#include <sys/types.h>
58 fc5607f8 Reimar Döffinger
#include <sys/time.h>
59 b091aa44 Ramiro Polla
#include <sys/resource.h>
60 b250f9c6 Aurelien Jacobs
#elif HAVE_GETPROCESSTIMES
61 7495c306 Ramiro Polla
#include <windows.h>
62
#endif
63 fc5607f8 Reimar Döffinger
#if HAVE_GETPROCESSMEMORYINFO
64
#include <windows.h>
65
#include <psapi.h>
66
#endif
67 7495c306 Ramiro Polla
68 b250f9c6 Aurelien Jacobs
#if HAVE_SYS_SELECT_H
69 fb1d2d7b Baptiste Coudurier
#include <sys/select.h>
70
#endif
71
72 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
73 85f07f22 Fabrice Bellard
#include <fcntl.h>
74
#include <sys/ioctl.h>
75
#include <sys/time.h>
76
#include <termios.h>
77 b250f9c6 Aurelien Jacobs
#elif HAVE_CONIO_H
78 4b54c6d0 Ramiro Polla
#include <conio.h>
79 bdc4796f Fabrice Bellard
#endif
80 bf5af568 Fabrice Bellard
#include <time.h>
81 85f07f22 Fabrice Bellard
82 01310af2 Fabrice Bellard
#include "cmdutils.h"
83
84 b64b4134 Måns Rullgård
#include "libavutil/avassert.h"
85 2b18dcd0 Michael Niedermayer
86 64555bd9 Michael Niedermayer
const char program_name[] = "FFmpeg";
87 ea9c581f Stefano Sabatini
const int program_birth_year = 2000;
88 86074ed1 Stefano Sabatini
89 85f07f22 Fabrice Bellard
/* select an input stream for an output stream */
90
typedef struct AVStreamMap {
91
    int file_index;
92
    int stream_index;
93 b4a3389e Wolfram Gloger
    int sync_file_index;
94
    int sync_stream_index;
95 85f07f22 Fabrice Bellard
} AVStreamMap;
96
97 3f07e8db Michael Niedermayer
/**
98
 * select an input file for an output file
99
 */
100 0a38bafd Patrice Bensoussan
typedef struct AVMetaDataMap {
101 1829e195 Anton Khirnov
    int  file;      //< file index
102
    char type;      //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
103
    int  index;     //< stream/chapter/program number
104 0a38bafd Patrice Bensoussan
} AVMetaDataMap;
105
106 91e96eba Anton Khirnov
typedef struct AVChapterMap {
107
    int in_file;
108
    int out_file;
109
} AVChapterMap;
110
111 580a6c57 Diego Pettenò
static const OptionDef options[];
112 85f07f22 Fabrice Bellard
113 60402344 Jai Menon
#define MAX_FILES 100
114 84fd51e5 Aurelien Jacobs
#if !FF_API_MAX_STREAMS
115
#define MAX_STREAMS 1024    /* arbitrary sanity check value */
116
#endif
117 85f07f22 Fabrice Bellard
118 ef6fc647 Stefano Sabatini
static const char *last_asked_format = NULL;
119 85f07f22 Fabrice Bellard
static AVFormatContext *input_files[MAX_FILES];
120 a6a92a9a Wolfram Gloger
static int64_t input_files_ts_offset[MAX_FILES];
121 2c6958aa Aurelien Jacobs
static double *input_files_ts_scale[MAX_FILES] = {NULL};
122 311e223f Aurelien Jacobs
static AVCodec **input_codecs = NULL;
123 85f07f22 Fabrice Bellard
static int nb_input_files = 0;
124 311e223f Aurelien Jacobs
static int nb_input_codecs = 0;
125 2c6958aa Aurelien Jacobs
static int nb_input_files_ts_scale[MAX_FILES] = {0};
126 85f07f22 Fabrice Bellard
127
static AVFormatContext *output_files[MAX_FILES];
128 0a6d97b3 Aurelien Jacobs
static AVCodec **output_codecs = NULL;
129 85f07f22 Fabrice Bellard
static int nb_output_files = 0;
130 0a6d97b3 Aurelien Jacobs
static int nb_output_codecs = 0;
131 85f07f22 Fabrice Bellard
132 3a8e8824 Aurelien Jacobs
static AVStreamMap *stream_maps = NULL;
133 85f07f22 Fabrice Bellard
static int nb_stream_maps;
134
135 1829e195 Anton Khirnov
/* first item specifies output metadata, second is input */
136
static AVMetaDataMap (*meta_data_maps)[2] = NULL;
137 0a38bafd Patrice Bensoussan
static int nb_meta_data_maps;
138 477b1aea Anton Khirnov
static int metadata_global_autocopy   = 1;
139 d0abe80a Anton Khirnov
static int metadata_streams_autocopy  = 1;
140
static int metadata_chapters_autocopy = 1;
141 0a38bafd Patrice Bensoussan
142 91e96eba Anton Khirnov
static AVChapterMap *chapter_maps = NULL;
143
static int nb_chapter_maps;
144
145 006e8108 Mike Scheutzow
/* indexed by output file stream index */
146 e640f261 Aurelien Jacobs
static int *streamid_map = NULL;
147
static int nb_streamid_map = 0;
148 006e8108 Mike Scheutzow
149 55cf1959 Michael Niedermayer
static int frame_width  = 0;
150
static int frame_height = 0;
151 880e8ba7 Roman Shaposhnik
static float frame_aspect_ratio = 0;
152 644a9262 Michael Niedermayer
static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
153 5d6e4c16 Stefano Sabatini
static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
154 cf7fc795 Fabrice Bellard
static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
155 89129c6b Diego Biurrun
static AVRational frame_rate;
156 158c7f05 Michael Niedermayer
static float video_qscale = 0;
157 84f608f4 Vidar Madsen
static uint16_t *intra_matrix = NULL;
158
static uint16_t *inter_matrix = NULL;
159 464a631c Morten Hustveit
static const char *video_rc_override_string=NULL;
160 85f07f22 Fabrice Bellard
static int video_disable = 0;
161 f3356e9c Michael Niedermayer
static int video_discard = 0;
162 4a897224 Nicolas George
static char *video_codec_name = NULL;
163 83a36b2e Stefano Sabatini
static unsigned int video_codec_tag = 0;
164 0fc2c0f6 Matthieu Crapet
static char *video_language = NULL;
165 85f07f22 Fabrice Bellard
static int same_quality = 0;
166 cfcf0ffd Fabrice Bellard
static int do_deinterlace = 0;
167 bb198e19 Michael Niedermayer
static int top_field_first = -1;
168 f4f3223f Michael Niedermayer
static int me_threshold = 0;
169 1a11cbcc Michael Niedermayer
static int intra_dc_precision = 8;
170 5894e1bb Víctor Paesa
static int loop_input = 0;
171 8108551a Todd Kirby
static int loop_output = AVFMT_NOOUTPUTLOOP;
172 0888fd22 Michael Niedermayer
static int qp_hist = 0;
173 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
174
static char *vfilters = NULL;
175 41727b85 Diego Elio Pettenò
static AVFilterGraph *graph = NULL;
176 46847a33 Michael Niedermayer
#endif
177 85f07f22 Fabrice Bellard
178
static int intra_only = 0;
179
static int audio_sample_rate = 44100;
180 13367a46 Benjamin Larsson
static int64_t channel_layout = 0;
181 c57c770d Justin Ruggles
#define QSCALE_NONE -99999
182
static float audio_qscale = QSCALE_NONE;
183 85f07f22 Fabrice Bellard
static int audio_disable = 0;
184
static int audio_channels = 1;
185 4a897224 Nicolas George
static char  *audio_codec_name = NULL;
186 83a36b2e Stefano Sabatini
static unsigned int audio_codec_tag = 0;
187 cf7fc795 Fabrice Bellard
static char *audio_language = NULL;
188
189 11bf3847 Aurelien Jacobs
static int subtitle_disable = 0;
190 4a897224 Nicolas George
static char *subtitle_codec_name = NULL;
191 cf7fc795 Fabrice Bellard
static char *subtitle_language = NULL;
192 83a36b2e Stefano Sabatini
static unsigned int subtitle_codec_tag = 0;
193 85f07f22 Fabrice Bellard
194 17c88cb0 Michael Niedermayer
static float mux_preload= 0.5;
195
static float mux_max_delay= 0.7;
196 2db3c638 Michael Niedermayer
197 fc7ad2af Stefano Sabatini
static int64_t recording_time = INT64_MAX;
198 8831db5c Michael Niedermayer
static int64_t start_time = 0;
199 25d34458 Stefano Sabatini
static int64_t recording_timestamp = 0;
200 a6a92a9a Wolfram Gloger
static int64_t input_ts_offset = 0;
201 85f07f22 Fabrice Bellard
static int file_overwrite = 0;
202 4bf65e2a Stefano Sabatini
static AVMetadata *metadata;
203 5727b222 Fabrice Bellard
static int do_benchmark = 0;
204 a0663ba4 Fabrice Bellard
static int do_hex_dump = 0;
205 254abc2e Fabrice Bellard
static int do_pkt_dump = 0;
206 43f1708f Juanjo
static int do_psnr = 0;
207 5abdb4b1 Fabrice Bellard
static int do_pass = 0;
208 ad16627f Stefano Sabatini
static char *pass_logfilename_prefix = NULL;
209 1629626f Fabrice Bellard
static int audio_stream_copy = 0;
210
static int video_stream_copy = 0;
211 cf7fc795 Fabrice Bellard
static int subtitle_stream_copy = 0;
212 8858816d Michael Niedermayer
static int video_sync_method= -1;
213 986ebcdb Michael Niedermayer
static int audio_sync_method= 0;
214 d4d226a8 Michael Niedermayer
static float audio_drift_threshold= 0.1;
215 72bd8100 Michael Niedermayer
static int copy_ts= 0;
216 0f27e6b4 Baptiste Coudurier
static int copy_tb;
217 76bdac6d Stefano Sabatini
static int opt_shortest = 0;
218 90ad92b3 Michael Niedermayer
static int video_global_header = 0;
219 b60d1379 Stefano Sabatini
static char *vstats_filename;
220 032aa7df Stefano Sabatini
static FILE *vstats_file;
221 50e143c4 Nico Sabbi
static int opt_programid = 0;
222 50e3477f Wolfram Gloger
static int copy_initial_nonkeyframes = 0;
223 5abdb4b1 Fabrice Bellard
224 bdfcbbed Max Krasnyansky
static int rate_emu = 0;
225
226 a5df11ab Fabrice Bellard
static int  video_channel = 0;
227 df0cecdd Luca Abeni
static char *video_standard;
228 79a7c268 Fabrice Bellard
229 a9aa3467 Michael Niedermayer
static int audio_volume = 256;
230 8aa3ee32 Max Krasnyansky
231 f2abc559 Baptiste Coudurier
static int exit_on_error = 0;
232 d9a916e2 Charles Yates
static int using_stdin = 0;
233 f068206e Bill Eldridge
static int verbose = 1;
234 9c3d33d6 Michael Niedermayer
static int thread_count= 1;
235 b51469a0 Leon van Stuivenberg
static int q_pressed = 0;
236 1008ceb3 Michael Niedermayer
static int64_t video_size = 0;
237
static int64_t audio_size = 0;
238
static int64_t extra_size = 0;
239 a6a92a9a Wolfram Gloger
static int nb_frames_dup = 0;
240
static int nb_frames_drop = 0;
241 6e454c38 Luca Abeni
static int input_sync;
242 76bdac6d Stefano Sabatini
static uint64_t limit_filesize = 0;
243 d2845b75 Stefano Sabatini
static int force_fps = 0;
244 4ad08021 Nicolas George
static char *forced_key_frames = NULL;
245 d9a916e2 Charles Yates
246 a8482aab Michael Niedermayer
static float dts_delta_threshold = 10;
247 5b6d5596 Michael Niedermayer
248 e60da588 Michael Niedermayer
static unsigned int sws_flags = SWS_BICUBIC;
249 18a54b04 Luca Abeni
250 29cc1c23 Benoit Fouet
static int64_t timer_start;
251 8bbf6db9 Michael Niedermayer
252 3321cb3f Baptiste Coudurier
static uint8_t *audio_buf;
253
static uint8_t *audio_out;
254 41727b85 Diego Elio Pettenò
static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
255 3321cb3f Baptiste Coudurier
256
static short *samples;
257
258 748c2fca Michael Niedermayer
static AVBitStreamFilterContext *video_bitstream_filters=NULL;
259
static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
260 e1cc8339 Reimar Döffinger
static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
261 5b6d5596 Michael Niedermayer
262 ad16627f Stefano Sabatini
#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
263 85f07f22 Fabrice Bellard
264 b4a3389e Wolfram Gloger
struct AVInputStream;
265
266 85f07f22 Fabrice Bellard
typedef struct AVOutputStream {
267
    int file_index;          /* file index */
268
    int index;               /* stream index in the output file */
269
    int source_index;        /* AVInputStream index */
270
    AVStream *st;            /* stream in the output file */
271 ec5517d5 Fabrice Bellard
    int encoding_needed;     /* true if encoding needed for this stream */
272
    int frame_number;
273
    /* input pts and corresponding output pts
274
       for A/V sync */
275 b4a3389e Wolfram Gloger
    //double sync_ipts;        /* dts from the AVPacket of the demuxer in second units */
276
    struct AVInputStream *sync_ist; /* input stream to sync against */
277 e928649b Michael Niedermayer
    int64_t sync_opts;       /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
278 0b6d358a Nicolas George
    AVBitStreamFilterContext *bitstream_filters;
279 85f07f22 Fabrice Bellard
    /* video only */
280 07d0cdfc Luca Abeni
    int video_resample;
281 a4d36c11 Michael Niedermayer
    AVFrame pict_tmp;      /* temporary image for resampling */
282 18a54b04 Luca Abeni
    struct SwsContext *img_resample_ctx; /* for image resampling */
283
    int resample_height;
284 352666c1 Eric Buehl
    int resample_width;
285 01a3c821 Jason Garrett-Glaser
    int resample_pix_fmt;
286 34b10a57 Dieter
287 352666c1 Eric Buehl
    /* full frame size of first frame */
288
    int original_height;
289
    int original_width;
290
291 4ad08021 Nicolas George
    /* forced key frames */
292
    int64_t *forced_kf_pts;
293
    int forced_kf_count;
294
    int forced_kf_index;
295
296 85f07f22 Fabrice Bellard
    /* audio only */
297
    int audio_resample;
298
    ReSampleContext *resample; /* for audio resampling */
299 8afab686 Stefano Sabatini
    int resample_sample_fmt;
300
    int resample_channels;
301
    int resample_sample_rate;
302 a79db0f7 Peter Ross
    int reformat_pair;
303
    AVAudioConvert *reformat_ctx;
304 41dd680d Michael Niedermayer
    AVFifoBuffer *fifo;     /* for compression: one audio fifo per codec */
305 5abdb4b1 Fabrice Bellard
    FILE *logfile;
306 85f07f22 Fabrice Bellard
} AVOutputStream;
307
308 9fdf4b58 Nicolas George
static AVOutputStream **output_streams_for_file[MAX_FILES] = { NULL };
309
static int nb_output_streams_for_file[MAX_FILES] = { 0 };
310
311 85f07f22 Fabrice Bellard
typedef struct AVInputStream {
312
    int file_index;
313
    int index;
314
    AVStream *st;
315
    int discard;             /* true if stream data should be discarded */
316
    int decoding_needed;     /* true if the packets must be decoded in 'raw_fifo' */
317 0c1a9eda Zdenek Kabelac
    int64_t sample_index;      /* current sample */
318 bdfcbbed Max Krasnyansky
319
    int64_t       start;     /* time when read started */
320 254abc2e Fabrice Bellard
    int64_t       next_pts;  /* synthetic pts for cases where pkt.pts
321
                                is not defined */
322 e7d0374f Roman Shaposhnik
    int64_t       pts;       /* current pts */
323 0ff4f0c0 Alexander Strange
    PtsCorrectionContext pts_ctx;
324 ff4905a5 Michael Niedermayer
    int is_start;            /* is 1 at the start and after a discontinuity */
325 3ff0daf0 Michael Niedermayer
    int showed_multi_packet_warning;
326 55a7e946 Wolfram Gloger
    int is_past_recording_time;
327 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
328 dfd57757 Stefano Sabatini
    AVFilterContext *output_video_filter;
329 46847a33 Michael Niedermayer
    AVFilterContext *input_video_filter;
330
    AVFrame *filter_frame;
331
    int has_filter_frame;
332 ecc8dada S.N. Hemanth Meenakshisundaram
    AVFilterBufferRef *picref;
333 46847a33 Michael Niedermayer
#endif
334 85f07f22 Fabrice Bellard
} AVInputStream;
335
336
typedef struct AVInputFile {
337
    int eof_reached;      /* true if eof reached */
338
    int ist_index;        /* index of first stream in ist_table */
339
    int buffer_size;      /* current total buffer size */
340 79fdaa4c Fabrice Bellard
    int nb_streams;       /* nb streams we are aware of */
341 85f07f22 Fabrice Bellard
} AVInputFile;
342
343 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
344 bdc4796f Fabrice Bellard
345 85f07f22 Fabrice Bellard
/* init terminal so that we can grab keys */
346
static struct termios oldtty;
347 64f6e357 Måns Rullgård
#endif
348 85f07f22 Fabrice Bellard
349 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
350
351
static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
352
{
353 a9f3cb93 Baptiste Coudurier
    AVFilterContext *last_filter, *filter;
354 46847a33 Michael Niedermayer
    /** filter graph containing all filters including input & output */
355
    AVCodecContext *codec = ost->st->codec;
356
    AVCodecContext *icodec = ist->st->codec;
357 f7ead94c Stefano Sabatini
    FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
358 7b3ea550 Michael Niedermayer
    AVRational sample_aspect_ratio;
359 46847a33 Michael Niedermayer
    char args[255];
360 4ddf0d29 Stefano Sabatini
    int ret;
361 46847a33 Michael Niedermayer
362 e15aeea6 Stefano Sabatini
    graph = avfilter_graph_alloc();
363 46847a33 Michael Niedermayer
364 7b3ea550 Michael Niedermayer
    if (ist->st->sample_aspect_ratio.num){
365
        sample_aspect_ratio = ist->st->sample_aspect_ratio;
366
    }else
367
        sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
368
369
    snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
370
             ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
371
             sample_aspect_ratio.num, sample_aspect_ratio.den);
372
373 037be76e Stefano Sabatini
    ret = avfilter_graph_create_filter(&ist->input_video_filter, avfilter_get_by_name("buffer"),
374
                                       "src", args, NULL, graph);
375
    if (ret < 0)
376 4ddf0d29 Stefano Sabatini
        return ret;
377 037be76e Stefano Sabatini
    ret = avfilter_graph_create_filter(&ist->output_video_filter, &ffsink,
378
                                       "out", NULL, &ffsink_ctx, graph);
379
    if (ret < 0)
380 4ddf0d29 Stefano Sabatini
        return ret;
381 a9f3cb93 Baptiste Coudurier
    last_filter = ist->input_video_filter;
382 46847a33 Michael Niedermayer
383 5879ea6d Stefano Sabatini
    if (codec->width  != icodec->width || codec->height != icodec->height) {
384 6e82e7fa Baptiste Coudurier
        snprintf(args, 255, "%d:%d:flags=0x%X",
385 0c22311b Michael Niedermayer
                 codec->width,
386
                 codec->height,
387 46847a33 Michael Niedermayer
                 (int)av_get_int(sws_opts, "sws_flags", NULL));
388 037be76e Stefano Sabatini
        if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
389
                                                NULL, args, NULL, graph)) < 0)
390 4ddf0d29 Stefano Sabatini
            return ret;
391
        if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
392
            return ret;
393 a9f3cb93 Baptiste Coudurier
        last_filter = filter;
394 46847a33 Michael Niedermayer
    }
395
396 f96363df Baptiste Coudurier
    snprintf(args, sizeof(args), "flags=0x%X", (int)av_get_int(sws_opts, "sws_flags", NULL));
397
    graph->scale_sws_opts = av_strdup(args);
398
399 79b90b25 Baptiste Coudurier
    if (vfilters) {
400 46847a33 Michael Niedermayer
        AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
401
        AVFilterInOut *inputs  = av_malloc(sizeof(AVFilterInOut));
402
403
        outputs->name    = av_strdup("in");
404 7313132b Stefano Sabatini
        outputs->filter_ctx = last_filter;
405 46847a33 Michael Niedermayer
        outputs->pad_idx = 0;
406
        outputs->next    = NULL;
407
408
        inputs->name    = av_strdup("out");
409 7313132b Stefano Sabatini
        inputs->filter_ctx = ist->output_video_filter;
410 46847a33 Michael Niedermayer
        inputs->pad_idx = 0;
411
        inputs->next    = NULL;
412
413 4ddf0d29 Stefano Sabatini
        if ((ret = avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL)) < 0)
414
            return ret;
415 46847a33 Michael Niedermayer
        av_freep(&vfilters);
416
    } else {
417 dfd57757 Stefano Sabatini
        if ((ret = avfilter_link(last_filter, 0, ist->output_video_filter, 0)) < 0)
418 4ddf0d29 Stefano Sabatini
            return ret;
419 46847a33 Michael Niedermayer
    }
420
421 2a24df93 Stefano Sabatini
    if ((ret = avfilter_graph_config(graph, NULL)) < 0)
422 4ddf0d29 Stefano Sabatini
        return ret;
423 46847a33 Michael Niedermayer
424 dfd57757 Stefano Sabatini
    codec->width  = ist->output_video_filter->inputs[0]->w;
425
    codec->height = ist->output_video_filter->inputs[0]->h;
426 7b3ea550 Michael Niedermayer
    codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
427
        ist->output_video_filter->inputs[0]->sample_aspect_ratio;
428 46847a33 Michael Niedermayer
429
    return 0;
430
}
431
#endif /* CONFIG_AVFILTER */
432
433 85f07f22 Fabrice Bellard
static void term_exit(void)
434
{
435 6b6bca64 Michael Niedermayer
    av_log(NULL, AV_LOG_QUIET, "");
436 64f6e357 Måns Rullgård
#if HAVE_TERMIOS_H
437 85f07f22 Fabrice Bellard
    tcsetattr (0, TCSANOW, &oldtty);
438 9a9509e6 Måns Rullgård
#endif
439 64f6e357 Måns Rullgård
}
440 85f07f22 Fabrice Bellard
441 e9a832e5 Martin Storsjö
static volatile int received_sigterm = 0;
442 9680a722 Roumen Petrov
443
static void
444
sigterm_handler(int sig)
445
{
446
    received_sigterm = sig;
447
    term_exit();
448
}
449
450 85f07f22 Fabrice Bellard
static void term_init(void)
451
{
452 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
453 85f07f22 Fabrice Bellard
    struct termios tty;
454
455
    tcgetattr (0, &tty);
456
    oldtty = tty;
457 9a9509e6 Måns Rullgård
    atexit(term_exit);
458 85f07f22 Fabrice Bellard
459
    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
460
                          |INLCR|IGNCR|ICRNL|IXON);
461
    tty.c_oflag |= OPOST;
462
    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
463
    tty.c_cflag &= ~(CSIZE|PARENB);
464
    tty.c_cflag |= CS8;
465
    tty.c_cc[VMIN] = 1;
466
    tty.c_cc[VTIME] = 0;
467 115329f1 Diego Biurrun
468 85f07f22 Fabrice Bellard
    tcsetattr (0, TCSANOW, &tty);
469 d86b83f8 Ramiro Polla
    signal(SIGQUIT, sigterm_handler); /* Quit (POSIX).  */
470
#endif
471 85f07f22 Fabrice Bellard
472 9680a722 Roumen Petrov
    signal(SIGINT , sigterm_handler); /* Interrupt (ANSI).  */
473
    signal(SIGTERM, sigterm_handler); /* Termination (ANSI).  */
474 ffcc6e24 Måns Rullgård
#ifdef SIGXCPU
475
    signal(SIGXCPU, sigterm_handler);
476
#endif
477 85f07f22 Fabrice Bellard
}
478
479
/* read a key without blocking */
480
static int read_key(void)
481
{
482 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
483 9ddd71fc François Revol
    int n = 1;
484 85f07f22 Fabrice Bellard
    unsigned char ch;
485 9ddd71fc François Revol
    struct timeval tv;
486 85f07f22 Fabrice Bellard
    fd_set rfds;
487
488
    FD_ZERO(&rfds);
489
    FD_SET(0, &rfds);
490
    tv.tv_sec = 0;
491
    tv.tv_usec = 0;
492
    n = select(1, &rfds, NULL, NULL, &tv);
493
    if (n > 0) {
494 cb09b2ed Philip Gladstone
        n = read(0, &ch, 1);
495
        if (n == 1)
496 85f07f22 Fabrice Bellard
            return ch;
497 cb09b2ed Philip Gladstone
498
        return n;
499 85f07f22 Fabrice Bellard
    }
500 b250f9c6 Aurelien Jacobs
#elif HAVE_CONIO_H
501 4b54c6d0 Ramiro Polla
    if(kbhit())
502
        return(getch());
503 d86b83f8 Ramiro Polla
#endif
504 85f07f22 Fabrice Bellard
    return -1;
505
}
506
507 b51469a0 Leon van Stuivenberg
static int decode_interrupt_cb(void)
508
{
509
    return q_pressed || (q_pressed = read_key() == 'q');
510
}
511
512 639e4ec8 Stefano Sabatini
static int ffmpeg_exit(int ret)
513 e5295c0d Ramiro Polla
{
514
    int i;
515
516
    /* close files */
517
    for(i=0;i<nb_output_files;i++) {
518
        AVFormatContext *s = output_files[i];
519
        int j;
520 8767060c Ramiro Polla
        if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
521 e5295c0d Ramiro Polla
            url_fclose(s->pb);
522 42f97696 Martin Storsjö
        avformat_free_context(s);
523 9fdf4b58 Nicolas George
        av_free(output_streams_for_file[i]);
524 e5295c0d Ramiro Polla
    }
525 2c6958aa Aurelien Jacobs
    for(i=0;i<nb_input_files;i++) {
526 e5295c0d Ramiro Polla
        av_close_input_file(input_files[i]);
527 2c6958aa Aurelien Jacobs
        av_free(input_files_ts_scale[i]);
528
    }
529 e5295c0d Ramiro Polla
530
    av_free(intra_matrix);
531
    av_free(inter_matrix);
532
533
    if (vstats_file)
534
        fclose(vstats_file);
535
    av_free(vstats_filename);
536
537
    av_free(opt_names);
538 e640f261 Aurelien Jacobs
    av_free(streamid_map);
539 311e223f Aurelien Jacobs
    av_free(input_codecs);
540 0a6d97b3 Aurelien Jacobs
    av_free(output_codecs);
541 3a8e8824 Aurelien Jacobs
    av_free(stream_maps);
542 63e856df Anton Khirnov
    av_free(meta_data_maps);
543 e5295c0d Ramiro Polla
544
    av_free(video_codec_name);
545
    av_free(audio_codec_name);
546
    av_free(subtitle_codec_name);
547
548
    av_free(video_standard);
549
550 a5c33faa Reimar Döffinger
    uninit_opts();
551 3321cb3f Baptiste Coudurier
    av_free(audio_buf);
552
    av_free(audio_out);
553 b8919a30 Michael Niedermayer
    allocated_audio_buf_size= allocated_audio_out_size= 0;
554 3321cb3f Baptiste Coudurier
    av_free(samples);
555 5973490a Baptiste Coudurier
556 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
557
    avfilter_uninit();
558
#endif
559
560 e5295c0d Ramiro Polla
    if (received_sigterm) {
561
        fprintf(stderr,
562
            "Received signal %d: terminating.\n",
563
            (int) received_sigterm);
564
        exit (255);
565
    }
566
567 296df4e7 Ramiro Polla
    exit(ret); /* not all OS-es handle main() return value */
568
    return ret;
569 dba249ab Aurelien Jacobs
}
570
571
/* similar to ff_dynarray_add() and av_fast_realloc() */
572
static void *grow_array(void *array, int elem_size, int *size, int new_size)
573
{
574
    if (new_size >= INT_MAX / elem_size) {
575
        fprintf(stderr, "Array too big.\n");
576
        ffmpeg_exit(1);
577
    }
578
    if (*size < new_size) {
579
        uint8_t *tmp = av_realloc(array, new_size*elem_size);
580
        if (!tmp) {
581
            fprintf(stderr, "Could not alloc buffer.\n");
582
            ffmpeg_exit(1);
583
        }
584
        memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
585
        *size = new_size;
586
        return tmp;
587
    }
588
    return array;
589 e5295c0d Ramiro Polla
}
590
591 aa1de0d9 Ronald S. Bultje
static void choose_sample_fmt(AVStream *st, AVCodec *codec)
592
{
593
    if(codec && codec->sample_fmts){
594 5d6e4c16 Stefano Sabatini
        const enum AVSampleFormat *p= codec->sample_fmts;
595 aa1de0d9 Ronald S. Bultje
        for(; *p!=-1; p++){
596
            if(*p == st->codec->sample_fmt)
597
                break;
598
        }
599 5a8d1075 Stefano Sabatini
        if (*p == -1) {
600
            av_log(NULL, AV_LOG_WARNING,
601
                   "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
602
                   av_get_sample_fmt_name(st->codec->sample_fmt),
603
                   codec->name,
604
                   av_get_sample_fmt_name(codec->sample_fmts[0]));
605 aa1de0d9 Ronald S. Bultje
            st->codec->sample_fmt = codec->sample_fmts[0];
606 5a8d1075 Stefano Sabatini
        }
607 aa1de0d9 Ronald S. Bultje
    }
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 b26847b7 Michael Niedermayer
        if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
635
            if(st->codec->codec_id==CODEC_ID_MJPEG){
636
                p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
637
            }else if(st->codec->codec_id==CODEC_ID_LJPEG){
638
                p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE};
639
            }
640
        }
641 aa1de0d9 Ronald S. Bultje
        for(; *p!=-1; p++){
642
            if(*p == st->codec->pix_fmt)
643
                break;
644
        }
645 b26847b7 Michael Niedermayer
        if(*p == -1)
646 aa1de0d9 Ronald S. Bultje
            st->codec->pix_fmt = codec->pix_fmts[0];
647
    }
648
}
649
650 ec1ca41c Carl Eugen Hoyos
static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
651
{
652
    int idx = oc->nb_streams - 1;
653
    AVOutputStream *ost;
654
655
    output_streams_for_file[file_idx] =
656
        grow_array(output_streams_for_file[file_idx],
657
                   sizeof(*output_streams_for_file[file_idx]),
658
                   &nb_output_streams_for_file[file_idx],
659
                   oc->nb_streams);
660
    ost = output_streams_for_file[file_idx][idx] =
661
        av_mallocz(sizeof(AVOutputStream));
662
    if (!ost) {
663
        fprintf(stderr, "Could not alloc output stream\n");
664
        ffmpeg_exit(1);
665
    }
666
    ost->file_index = file_idx;
667
    ost->index = idx;
668
    return ost;
669
}
670
671 b29f97d1 Zdenek Kabelac
static int read_ffserver_streams(AVFormatContext *s, const char *filename)
672 85f07f22 Fabrice Bellard
{
673 79fdaa4c Fabrice Bellard
    int i, err;
674 85f07f22 Fabrice Bellard
    AVFormatContext *ic;
675 3438d82d Baptiste Coudurier
    int nopts = 0;
676 85f07f22 Fabrice Bellard
677 79fdaa4c Fabrice Bellard
    err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
678
    if (err < 0)
679
        return err;
680 85f07f22 Fabrice Bellard
    /* copy stream format */
681 b67f3d65 Rocky Cardwell
    s->nb_streams = 0;
682 85f07f22 Fabrice Bellard
    for(i=0;i<ic->nb_streams;i++) {
683
        AVStream *st;
684 d9521cb1 Ronald S. Bultje
        AVCodec *codec;
685 1e491e29 Michael Niedermayer
686 b67f3d65 Rocky Cardwell
        s->nb_streams++;
687
688 f37f8d4c Alex Beregszaszi
        // FIXME: a more elegant solution is needed
689 e1031171 Alex Beregszaszi
        st = av_mallocz(sizeof(AVStream));
690 85f07f22 Fabrice Bellard
        memcpy(st, ic->streams[i], sizeof(AVStream));
691 f37f8d4c Alex Beregszaszi
        st->codec = avcodec_alloc_context();
692 7ef61879 Ramiro Polla
        if (!st->codec) {
693
            print_error(filename, AVERROR(ENOMEM));
694 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
695 7ef61879 Ramiro Polla
        }
696 d9521cb1 Ronald S. Bultje
        avcodec_copy_context(st->codec, ic->streams[i]->codec);
697 85f07f22 Fabrice Bellard
        s->streams[i] = st;
698 837d248d Baptiste Coudurier
699 d9521cb1 Ronald S. Bultje
        codec = avcodec_find_encoder(st->codec->codec_id);
700
        if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
701
            if (audio_stream_copy) {
702
                st->stream_copy = 1;
703
            } else
704
                choose_sample_fmt(st, codec);
705
        } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
706
            if (video_stream_copy) {
707
                st->stream_copy = 1;
708
            } else
709
                choose_pixel_fmt(st, codec);
710
        }
711 837d248d Baptiste Coudurier
712 dbedf2aa Baptiste Coudurier
        if(!st->codec->thread_count)
713
            st->codec->thread_count = 1;
714
        if(st->codec->thread_count>1)
715
            avcodec_thread_init(st->codec, st->codec->thread_count);
716
717 3438d82d Baptiste Coudurier
        if(st->codec->flags & CODEC_FLAG_BITEXACT)
718
            nopts = 1;
719 b67f3d65 Rocky Cardwell
720
        new_output_stream(s, nb_output_files);
721 85f07f22 Fabrice Bellard
    }
722
723 3438d82d Baptiste Coudurier
    if (!nopts)
724
        s->timestamp = av_gettime();
725
726 85f07f22 Fabrice Bellard
    av_close_input_file(ic);
727
    return 0;
728
}
729
730 b4a3389e Wolfram Gloger
static double
731
get_sync_ipts(const AVOutputStream *ost)
732
{
733
    const AVInputStream *ist = ost->sync_ist;
734 fec401f7 Michael Niedermayer
    return (double)(ist->pts - start_time)/AV_TIME_BASE;
735 b4a3389e Wolfram Gloger
}
736
737 748c2fca Michael Niedermayer
static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
738 0ac07031 Michael Niedermayer
    int ret;
739
740 748c2fca Michael Niedermayer
    while(bsfc){
741
        AVPacket new_pkt= *pkt;
742
        int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
743
                                          &new_pkt.data, &new_pkt.size,
744
                                          pkt->data, pkt->size,
745 cc947f04 Jean-Daniel Dupas
                                          pkt->flags & AV_PKT_FLAG_KEY);
746 7055cdac Benoit Fouet
        if(a>0){
747 748c2fca Michael Niedermayer
            av_free_packet(pkt);
748
            new_pkt.destruct= av_destruct_packet;
749 7055cdac Benoit Fouet
        } else if(a<0){
750 1f8e32cd Diego Biurrun
            fprintf(stderr, "%s failed for stream %d, codec %s",
751
                    bsfc->filter->name, pkt->stream_index,
752
                    avctx->codec ? avctx->codec->name : "copy");
753 7055cdac Benoit Fouet
            print_error("", a);
754 f2abc559 Baptiste Coudurier
            if (exit_on_error)
755 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
756 748c2fca Michael Niedermayer
        }
757
        *pkt= new_pkt;
758
759
        bsfc= bsfc->next;
760
    }
761
762 0ac07031 Michael Niedermayer
    ret= av_interleaved_write_frame(s, pkt);
763
    if(ret < 0){
764
        print_error("av_interleaved_write_frame()", ret);
765 639e4ec8 Stefano Sabatini
        ffmpeg_exit(1);
766 0ac07031 Michael Niedermayer
    }
767 748c2fca Michael Niedermayer
}
768
769 817b23ff Fabrice Bellard
#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
770 85f07f22 Fabrice Bellard
771 115329f1 Diego Biurrun
static void do_audio_out(AVFormatContext *s,
772
                         AVOutputStream *ost,
773 85f07f22 Fabrice Bellard
                         AVInputStream *ist,
774
                         unsigned char *buf, int size)
775
{
776 0c1a9eda Zdenek Kabelac
    uint8_t *buftmp;
777 15bfe412 Michael Niedermayer
    int64_t audio_out_size, audio_buf_size;
778 7a086a85 Michael Niedermayer
    int64_t allocated_for_size= size;
779 d66c7abc Sylvain Corré
780 8afab686 Stefano Sabatini
    int size_out, frame_bytes, ret, resample_changed;
781 01f4895c Michael Niedermayer
    AVCodecContext *enc= ost->st->codec;
782 2886f311 Andreas Öman
    AVCodecContext *dec= ist->st->codec;
783 ba7d6e79 Stefano Sabatini
    int osize= av_get_bits_per_sample_fmt(enc->sample_fmt)/8;
784
    int isize= av_get_bits_per_sample_fmt(dec->sample_fmt)/8;
785 15bfe412 Michael Niedermayer
    const int coded_bps = av_get_bits_per_sample(enc->codec->id);
786
787 7a086a85 Michael Niedermayer
need_realloc:
788
    audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
789 15bfe412 Michael Niedermayer
    audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
790 8b484d0f Vitor Sessak
    audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
791 79c85beb Justin Ruggles
    audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
792 15bfe412 Michael Niedermayer
    audio_buf_size*= osize*enc->channels;
793
794
    audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
795
    if(coded_bps > 8*osize)
796
        audio_out_size= audio_out_size * coded_bps / (8*osize);
797
    audio_out_size += FF_MIN_BUFFER_SIZE;
798
799
    if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
800
        fprintf(stderr, "Buffer sizes too large\n");
801 639e4ec8 Stefano Sabatini
        ffmpeg_exit(1);
802 15bfe412 Michael Niedermayer
    }
803 85f07f22 Fabrice Bellard
804 b8919a30 Michael Niedermayer
    av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
805
    av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
806 e185a2f6 Michael Niedermayer
    if (!audio_buf || !audio_out){
807
        fprintf(stderr, "Out of memory in do_audio_out\n");
808 639e4ec8 Stefano Sabatini
        ffmpeg_exit(1);
809 e185a2f6 Michael Niedermayer
    }
810 d66c7abc Sylvain Corré
811 2886f311 Andreas Öman
    if (enc->channels != dec->channels)
812
        ost->audio_resample = 1;
813
814 8afab686 Stefano Sabatini
    resample_changed = ost->resample_sample_fmt  != dec->sample_fmt ||
815
                       ost->resample_channels    != dec->channels   ||
816
                       ost->resample_sample_rate != dec->sample_rate;
817
818
    if ((ost->audio_resample && !ost->resample) || resample_changed) {
819
        if (resample_changed) {
820
            av_log(NULL, AV_LOG_INFO, "Input stream #%d.%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
821
                   ist->file_index, ist->index,
822
                   ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
823
                   dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
824
            ost->resample_sample_fmt  = dec->sample_fmt;
825
            ost->resample_channels    = dec->channels;
826
            ost->resample_sample_rate = dec->sample_rate;
827
            if (ost->resample)
828
                audio_resample_close(ost->resample);
829
        }
830 0f16f725 Stefano Sabatini
        /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
831
        if (audio_sync_method <= 1 &&
832
            ost->resample_sample_fmt  == enc->sample_fmt &&
833 8afab686 Stefano Sabatini
            ost->resample_channels    == enc->channels   &&
834
            ost->resample_sample_rate == enc->sample_rate) {
835
            ost->resample = NULL;
836
            ost->audio_resample = 0;
837
        } else {
838 f6715848 Stefano Sabatini
            if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
839
                fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
840
            ost->resample = av_audio_resample_init(enc->channels,    dec->channels,
841
                                                   enc->sample_rate, dec->sample_rate,
842
                                                   enc->sample_fmt,  dec->sample_fmt,
843
                                                   16, 10, 0, 0.8);
844
            if (!ost->resample) {
845
                fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
846
                        dec->channels, dec->sample_rate,
847
                        enc->channels, enc->sample_rate);
848
                ffmpeg_exit(1);
849
            }
850 8afab686 Stefano Sabatini
        }
851 2886f311 Andreas Öman
    }
852
853 5d6e4c16 Stefano Sabatini
#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
854 d1e3c6fd Baptiste Coudurier
    if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
855 a79db0f7 Peter Ross
        MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
856
        if (ost->reformat_ctx)
857
            av_audio_convert_free(ost->reformat_ctx);
858
        ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
859
                                                   dec->sample_fmt, 1, NULL, 0);
860
        if (!ost->reformat_ctx) {
861
            fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
862 ba7d6e79 Stefano Sabatini
                av_get_sample_fmt_name(dec->sample_fmt),
863
                av_get_sample_fmt_name(enc->sample_fmt));
864 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
865 a79db0f7 Peter Ross
        }
866
        ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
867
    }
868
869 986ebcdb Michael Niedermayer
    if(audio_sync_method){
870 115329f1 Diego Biurrun
        double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
871 37f5a713 Justin Ruggles
                - av_fifo_size(ost->fifo)/(enc->channels * 2);
872
        double idelta= delta*dec->sample_rate / enc->sample_rate;
873 ff19d16b Justin Ruggles
        int byte_delta= ((int)idelta)*2*dec->channels;
874 ff4905a5 Michael Niedermayer
875 986ebcdb Michael Niedermayer
        //FIXME resample delay
876
        if(fabs(delta) > 50){
877 d4d226a8 Michael Niedermayer
            if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
878 ff4905a5 Michael Niedermayer
                if(byte_delta < 0){
879 f41dd5aa Michael Niedermayer
                    byte_delta= FFMAX(byte_delta, -size);
880 ff4905a5 Michael Niedermayer
                    size += byte_delta;
881
                    buf  -= byte_delta;
882
                    if(verbose > 2)
883
                        fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
884
                    if(!size)
885
                        return;
886
                    ist->is_start=0;
887
                }else{
888
                    static uint8_t *input_tmp= NULL;
889
                    input_tmp= av_realloc(input_tmp, byte_delta + size);
890
891 7a086a85 Michael Niedermayer
                    if(byte_delta > allocated_for_size - size){
892
                        allocated_for_size= byte_delta + (int64_t)size;
893
                        goto need_realloc;
894
                    }
895
                    ist->is_start=0;
896 ff4905a5 Michael Niedermayer
897
                    memset(input_tmp, 0, byte_delta);
898
                    memcpy(input_tmp + byte_delta, buf, size);
899
                    buf= input_tmp;
900
                    size += byte_delta;
901
                    if(verbose > 2)
902
                        fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
903
                }
904
            }else if(audio_sync_method>1){
905 f66e4f5f Reimar Döffinger
                int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
906 b926b628 Michael Niedermayer
                av_assert0(ost->audio_resample);
907 ff4905a5 Michael Niedermayer
                if(verbose > 2)
908
                    fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
909 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));
910 ff4905a5 Michael Niedermayer
                av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
911
            }
912 115329f1 Diego Biurrun
        }
913 986ebcdb Michael Niedermayer
    }else
914 b4a3389e Wolfram Gloger
        ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
915 37f5a713 Justin Ruggles
                        - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
916 85f07f22 Fabrice Bellard
917
    if (ost->audio_resample) {
918
        buftmp = audio_buf;
919 115329f1 Diego Biurrun
        size_out = audio_resample(ost->resample,
920 85f07f22 Fabrice Bellard
                                  (short *)buftmp, (short *)buf,
921 37f5a713 Justin Ruggles
                                  size / (dec->channels * isize));
922 287ba997 Peter Ross
        size_out = size_out * enc->channels * osize;
923 85f07f22 Fabrice Bellard
    } else {
924
        buftmp = buf;
925
        size_out = size;
926
    }
927
928 d1e3c6fd Baptiste Coudurier
    if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
929 a79db0f7 Peter Ross
        const void *ibuf[6]= {buftmp};
930 80f47250 Michael Niedermayer
        void *obuf[6]= {audio_buf};
931 287ba997 Peter Ross
        int istride[6]= {isize};
932
        int ostride[6]= {osize};
933 a79db0f7 Peter Ross
        int len= size_out/istride[0];
934
        if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
935
            printf("av_audio_convert() failed\n");
936 f2abc559 Baptiste Coudurier
            if (exit_on_error)
937 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
938 a79db0f7 Peter Ross
            return;
939
        }
940 80f47250 Michael Niedermayer
        buftmp = audio_buf;
941 287ba997 Peter Ross
        size_out = len*osize;
942 a79db0f7 Peter Ross
    }
943
944 85f07f22 Fabrice Bellard
    /* now encode as many frames as possible */
945 a0663ba4 Fabrice Bellard
    if (enc->frame_size > 1) {
946 85f07f22 Fabrice Bellard
        /* output resampled raw samples */
947 41dd680d Michael Niedermayer
        if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
948 745b39d5 Stefano Sabatini
            fprintf(stderr, "av_fifo_realloc2() failed\n");
949 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
950 745b39d5 Stefano Sabatini
        }
951 41dd680d Michael Niedermayer
        av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
952 85f07f22 Fabrice Bellard
953 287ba997 Peter Ross
        frame_bytes = enc->frame_size * osize * enc->channels;
954 115329f1 Diego Biurrun
955 41dd680d Michael Niedermayer
        while (av_fifo_size(ost->fifo) >= frame_bytes) {
956 e928649b Michael Niedermayer
            AVPacket pkt;
957
            av_init_packet(&pkt);
958
959 3898eed8 Reimar Döffinger
            av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
960 0871ae1a Michael Niedermayer
961 5bc440e7 Michael Niedermayer
            //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
962
963 115329f1 Diego Biurrun
            ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
964 a0663ba4 Fabrice Bellard
                                       (short *)audio_buf);
965 528271ff Michael Niedermayer
            if (ret < 0) {
966
                fprintf(stderr, "Audio encoding failed\n");
967 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
968 528271ff Michael Niedermayer
            }
969 1008ceb3 Michael Niedermayer
            audio_size += ret;
970 e928649b Michael Niedermayer
            pkt.stream_index= ost->index;
971
            pkt.data= audio_out;
972
            pkt.size= ret;
973 e7902f20 Michael Niedermayer
            if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
974 c0df9d75 Michael Niedermayer
                pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
975 cc947f04 Jean-Daniel Dupas
            pkt.flags |= AV_PKT_FLAG_KEY;
976 0b6d358a Nicolas George
            write_frame(s, &pkt, enc, ost->bitstream_filters);
977 115329f1 Diego Biurrun
978 986ebcdb Michael Niedermayer
            ost->sync_opts += enc->frame_size;
979 85f07f22 Fabrice Bellard
        }
980
    } else {
981 e928649b Michael Niedermayer
        AVPacket pkt;
982
        av_init_packet(&pkt);
983 986ebcdb Michael Niedermayer
984 287ba997 Peter Ross
        ost->sync_opts += size_out / (osize * enc->channels);
985 986ebcdb Michael Niedermayer
986 a0663ba4 Fabrice Bellard
        /* output a pcm frame */
987 287ba997 Peter Ross
        /* determine the size of the coded buffer */
988
        size_out /= osize;
989
        if (coded_bps)
990 060b8592 Michael Niedermayer
            size_out = size_out*coded_bps/8;
991 287ba997 Peter Ross
992 5ee05a62 Michael Niedermayer
        if(size_out > audio_out_size){
993
            fprintf(stderr, "Internal error, buffer size too small\n");
994 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
995 5ee05a62 Michael Niedermayer
        }
996
997 5bc440e7 Michael Niedermayer
        //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
998 115329f1 Diego Biurrun
        ret = avcodec_encode_audio(enc, audio_out, size_out,
999 bb270c08 Diego Biurrun
                                   (short *)buftmp);
1000 528271ff Michael Niedermayer
        if (ret < 0) {
1001
            fprintf(stderr, "Audio encoding failed\n");
1002 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
1003 528271ff Michael Niedermayer
        }
1004 1008ceb3 Michael Niedermayer
        audio_size += ret;
1005 e928649b Michael Niedermayer
        pkt.stream_index= ost->index;
1006
        pkt.data= audio_out;
1007
        pkt.size= ret;
1008 e7902f20 Michael Niedermayer
        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1009 c0df9d75 Michael Niedermayer
            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1010 cc947f04 Jean-Daniel Dupas
        pkt.flags |= AV_PKT_FLAG_KEY;
1011 0b6d358a Nicolas George
        write_frame(s, &pkt, enc, ost->bitstream_filters);
1012 85f07f22 Fabrice Bellard
    }
1013
}
1014
1015 10d104e4 Philip Gladstone
static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
1016
{
1017
    AVCodecContext *dec;
1018
    AVPicture *picture2;
1019
    AVPicture picture_tmp;
1020 0c1a9eda Zdenek Kabelac
    uint8_t *buf = 0;
1021 10d104e4 Philip Gladstone
1022 01f4895c Michael Niedermayer
    dec = ist->st->codec;
1023 10d104e4 Philip Gladstone
1024
    /* deinterlace : must be done before any resize */
1025 fdf11906 Diego Biurrun
    if (do_deinterlace) {
1026 10d104e4 Philip Gladstone
        int size;
1027
1028
        /* create temporary picture */
1029
        size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1030
        buf = av_malloc(size);
1031
        if (!buf)
1032
            return;
1033 115329f1 Diego Biurrun
1034 10d104e4 Philip Gladstone
        picture2 = &picture_tmp;
1035
        avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1036
1037 9e1cc598 Ramiro Polla
        if(avpicture_deinterlace(picture2, picture,
1038
                                 dec->pix_fmt, dec->width, dec->height) < 0) {
1039
            /* if error, do not deinterlace */
1040
            fprintf(stderr, "Deinterlacing failed\n");
1041
            av_free(buf);
1042
            buf = NULL;
1043
            picture2 = picture;
1044
        }
1045 10d104e4 Philip Gladstone
    } else {
1046
        picture2 = picture;
1047
    }
1048
1049
    if (picture != picture2)
1050
        *picture = *picture2;
1051
    *bufp = buf;
1052
}
1053
1054 ec5517d5 Fabrice Bellard
/* we begin to correct av delay at this threshold */
1055
#define AV_DELAY_MAX 0.100
1056 85f07f22 Fabrice Bellard
1057 115329f1 Diego Biurrun
static void do_subtitle_out(AVFormatContext *s,
1058
                            AVOutputStream *ost,
1059 cf7fc795 Fabrice Bellard
                            AVInputStream *ist,
1060
                            AVSubtitle *sub,
1061
                            int64_t pts)
1062
{
1063
    static uint8_t *subtitle_out = NULL;
1064 7f4fca03 Reimar Döffinger
    int subtitle_out_max_size = 1024 * 1024;
1065 cf7fc795 Fabrice Bellard
    int subtitle_out_size, nb, i;
1066
    AVCodecContext *enc;
1067
    AVPacket pkt;
1068
1069
    if (pts == AV_NOPTS_VALUE) {
1070
        fprintf(stderr, "Subtitle packets must have a pts\n");
1071 f2abc559 Baptiste Coudurier
        if (exit_on_error)
1072 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
1073 cf7fc795 Fabrice Bellard
        return;
1074
    }
1075
1076 01f4895c Michael Niedermayer
    enc = ost->st->codec;
1077 cf7fc795 Fabrice Bellard
1078
    if (!subtitle_out) {
1079
        subtitle_out = av_malloc(subtitle_out_max_size);
1080
    }
1081
1082
    /* Note: DVB subtitle need one packet to draw them and one other
1083
       packet to clear them */
1084
    /* XXX: signal it in the codec context ? */
1085
    if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1086
        nb = 2;
1087
    else
1088
        nb = 1;
1089
1090
    for(i = 0; i < nb; i++) {
1091 4bbe788a Reimar Döffinger
        sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1092 8b03c014 Reimar Döffinger
        // start_display_time is required to be 0
1093
        sub->pts              += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1094
        sub->end_display_time -= sub->start_display_time;
1095
        sub->start_display_time = 0;
1096 115329f1 Diego Biurrun
        subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1097 cf7fc795 Fabrice Bellard
                                                    subtitle_out_max_size, sub);
1098 266649a5 Reimar Döffinger
        if (subtitle_out_size < 0) {
1099
            fprintf(stderr, "Subtitle encoding failed\n");
1100 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
1101 266649a5 Reimar Döffinger
        }
1102 115329f1 Diego Biurrun
1103 cf7fc795 Fabrice Bellard
        av_init_packet(&pkt);
1104
        pkt.stream_index = ost->index;
1105
        pkt.data = subtitle_out;
1106
        pkt.size = subtitle_out_size;
1107 8b03c014 Reimar Döffinger
        pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1108 cf7fc795 Fabrice Bellard
        if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1109
            /* XXX: the pts correction is handled here. Maybe handling
1110
               it in the codec would be better */
1111
            if (i == 0)
1112
                pkt.pts += 90 * sub->start_display_time;
1113
            else
1114
                pkt.pts += 90 * sub->end_display_time;
1115
        }
1116 0b6d358a Nicolas George
        write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1117 cf7fc795 Fabrice Bellard
    }
1118
}
1119
1120 8a6cb114 Michael Niedermayer
static int bit_buffer_size= 1024*256;
1121 27537106 Michael Niedermayer
static uint8_t *bit_buffer= NULL;
1122 1ff93ffc Todd Kirby
1123 115329f1 Diego Biurrun
static void do_video_out(AVFormatContext *s,
1124
                         AVOutputStream *ost,
1125 85f07f22 Fabrice Bellard
                         AVInputStream *ist,
1126 7a0f9d7e Fabrice Bellard
                         AVFrame *in_picture,
1127 986ebcdb Michael Niedermayer
                         int *frame_size)
1128 85f07f22 Fabrice Bellard
{
1129 ec5517d5 Fabrice Bellard
    int nb_frames, i, ret;
1130 07d0cdfc Luca Abeni
    AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
1131 cfcf0ffd Fabrice Bellard
    AVCodecContext *enc, *dec;
1132 47b229db Alexander Strange
    double sync_ipts;
1133 115329f1 Diego Biurrun
1134 01f4895c Michael Niedermayer
    enc = ost->st->codec;
1135
    dec = ist->st->codec;
1136 85f07f22 Fabrice Bellard
1137 47b229db Alexander Strange
    sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1138
1139 ec5517d5 Fabrice Bellard
    /* by default, we output a single frame */
1140
    nb_frames = 1;
1141
1142 204c0f48 Philip Gladstone
    *frame_size = 0;
1143
1144 9ff261a2 Michael Niedermayer
    if(video_sync_method){
1145 d55065a2 Alexander Strange
        double vdelta = sync_ipts - ost->sync_opts;
1146 e928649b Michael Niedermayer
        //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1147
        if (vdelta < -1.1)
1148
            nb_frames = 0;
1149 e6fdc2b1 Michael Niedermayer
        else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1150
            if(vdelta<=-0.6){
1151
                nb_frames=0;
1152
            }else if(vdelta>0.6)
1153 7f48bfa1 Baptiste Coudurier
                ost->sync_opts= lrintf(sync_ipts);
1154 e6fdc2b1 Michael Niedermayer
        }else if (vdelta > 1.1)
1155 70122f29 Michael Niedermayer
            nb_frames = lrintf(vdelta);
1156 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);
1157 50c3dd32 Michael Niedermayer
        if (nb_frames == 0){
1158
            ++nb_frames_drop;
1159
            if (verbose>2)
1160
                fprintf(stderr, "*** drop!\n");
1161 8300609b Michael Niedermayer
        }else if (nb_frames > 1) {
1162 ed30e518 Michael Niedermayer
            nb_frames_dup += nb_frames - 1;
1163 50c3dd32 Michael Niedermayer
            if (verbose>2)
1164 8300609b Michael Niedermayer
                fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1165 50c3dd32 Michael Niedermayer
        }
1166
    }else
1167 47b229db Alexander Strange
        ost->sync_opts= lrintf(sync_ipts);
1168 445f1b83 Roman Shaposhnik
1169 72415b2a Stefano Sabatini
    nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1170 115329f1 Diego Biurrun
    if (nb_frames <= 0)
1171 85f07f22 Fabrice Bellard
        return;
1172 ce7c56c2 Juanjo
1173 46847a33 Michael Niedermayer
    formatted_picture = in_picture;
1174 07d0cdfc Luca Abeni
    final_picture = formatted_picture;
1175
    padding_src = formatted_picture;
1176
    resampling_dst = &ost->pict_tmp;
1177
1178 5879ea6d Stefano Sabatini
    if (   ost->resample_height != ist->st->codec->height
1179
        || ost->resample_width  != ist->st->codec->width
1180 b83ccbff Michael Niedermayer
        || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1181
1182
        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));
1183
        if(!ost->video_resample)
1184 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
1185 b83ccbff Michael Niedermayer
    }
1186
1187 46847a33 Michael Niedermayer
#if !CONFIG_AVFILTER
1188 85f07f22 Fabrice Bellard
    if (ost->video_resample) {
1189 07d0cdfc Luca Abeni
        padding_src = NULL;
1190 34b10a57 Dieter
        final_picture = &ost->pict_tmp;
1191 5879ea6d Stefano Sabatini
        if(  ost->resample_height != ist->st->codec->height
1192
          || ost->resample_width  != ist->st->codec->width
1193 01a3c821 Jason Garrett-Glaser
          || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1194 352666c1 Eric Buehl
1195
            /* initialize a new scaler context */
1196
            sws_freeContext(ost->img_resample_ctx);
1197
            sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1198
            ost->img_resample_ctx = sws_getContext(
1199 5879ea6d Stefano Sabatini
                ist->st->codec->width,
1200
                ist->st->codec->height,
1201 352666c1 Eric Buehl
                ist->st->codec->pix_fmt,
1202 0c22311b Michael Niedermayer
                ost->st->codec->width,
1203
                ost->st->codec->height,
1204 352666c1 Eric Buehl
                ost->st->codec->pix_fmt,
1205
                sws_flags, NULL, NULL, NULL);
1206
            if (ost->img_resample_ctx == NULL) {
1207
                fprintf(stderr, "Cannot get resampling context\n");
1208 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
1209 352666c1 Eric Buehl
            }
1210
        }
1211 18a54b04 Luca Abeni
        sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1212
              0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1213 f122deb4 Luca Abeni
    }
1214 46847a33 Michael Niedermayer
#endif
1215 07d0cdfc Luca Abeni
1216 85f07f22 Fabrice Bellard
    /* duplicates frame if needed */
1217 ec5517d5 Fabrice Bellard
    for(i=0;i<nb_frames;i++) {
1218 e928649b Michael Niedermayer
        AVPacket pkt;
1219
        av_init_packet(&pkt);
1220
        pkt.stream_index= ost->index;
1221
1222 e8750b00 Fred Rothganger
        if (s->oformat->flags & AVFMT_RAWPICTURE) {
1223
            /* raw pictures are written as AVPicture structure to
1224
               avoid any copies. We support temorarily the older
1225
               method. */
1226 2744ca9a Roman Shaposhnik
            AVFrame* old_frame = enc->coded_frame;
1227 bb270c08 Diego Biurrun
            enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1228 e928649b Michael Niedermayer
            pkt.data= (uint8_t *)final_picture;
1229
            pkt.size=  sizeof(AVPicture);
1230 b4dba580 Michael Niedermayer
            pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1231 cc947f04 Jean-Daniel Dupas
            pkt.flags |= AV_PKT_FLAG_KEY;
1232 e928649b Michael Niedermayer
1233 0b6d358a Nicolas George
            write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1234 bb270c08 Diego Biurrun
            enc->coded_frame = old_frame;
1235 e8750b00 Fred Rothganger
        } else {
1236 492cd3a9 Michael Niedermayer
            AVFrame big_picture;
1237 a4d36c11 Michael Niedermayer
1238
            big_picture= *final_picture;
1239 7a0f9d7e Fabrice Bellard
            /* better than nothing: use input picture interlaced
1240
               settings */
1241
            big_picture.interlaced_frame = in_picture->interlaced_frame;
1242 72415b2a Stefano Sabatini
            if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1243 bb198e19 Michael Niedermayer
                if(top_field_first == -1)
1244
                    big_picture.top_field_first = in_picture->top_field_first;
1245
                else
1246 2a8edc5d Michael Niedermayer
                    big_picture.top_field_first = top_field_first;
1247 bb198e19 Michael Niedermayer
            }
1248 7a0f9d7e Fabrice Bellard
1249 85f07f22 Fabrice Bellard
            /* handles sameq here. This is not correct because it may
1250
               not be a global option */
1251 f62c025a Stefano Sabatini
            big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
1252 f4f3223f Michael Niedermayer
            if(!me_threshold)
1253
                big_picture.pict_type = 0;
1254 50c3dd32 Michael Niedermayer
//            big_picture.pts = AV_NOPTS_VALUE;
1255 c0df9d75 Michael Niedermayer
            big_picture.pts= ost->sync_opts;
1256
//            big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1257 949b1a13 Steve L'Homme
//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1258 4ad08021 Nicolas George
            if (ost->forced_kf_index < ost->forced_kf_count &&
1259
                big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1260
                big_picture.pict_type = FF_I_TYPE;
1261
                ost->forced_kf_index++;
1262
            }
1263 115329f1 Diego Biurrun
            ret = avcodec_encode_video(enc,
1264 8a6cb114 Michael Niedermayer
                                       bit_buffer, bit_buffer_size,
1265 1e491e29 Michael Niedermayer
                                       &big_picture);
1266 95af5e1c Michael Niedermayer
            if (ret < 0) {
1267 4156a436 Panagiotis Issaris
                fprintf(stderr, "Video encoding failed\n");
1268 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
1269 4156a436 Panagiotis Issaris
            }
1270 54e28a85 Baptiste Coudurier
1271 4bbc6260 Michael Niedermayer
            if(ret>0){
1272 27537106 Michael Niedermayer
                pkt.data= bit_buffer;
1273 e928649b Michael Niedermayer
                pkt.size= ret;
1274 e6b4e4ff Michael Niedermayer
                if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1275 c0df9d75 Michael Niedermayer
                    pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1276 949b1a13 Steve L'Homme
/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1277 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,
1278
   pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1279 50c3dd32 Michael Niedermayer
1280 e6b4e4ff Michael Niedermayer
                if(enc->coded_frame->key_frame)
1281 cc947f04 Jean-Daniel Dupas
                    pkt.flags |= AV_PKT_FLAG_KEY;
1282 0b6d358a Nicolas George
                write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1283 e928649b Michael Niedermayer
                *frame_size = ret;
1284 44eb047a Michael Niedermayer
                video_size += ret;
1285 54e28a85 Baptiste Coudurier
                //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1286
                //        enc->frame_number-1, ret, enc->pict_type);
1287 e928649b Michael Niedermayer
                /* if two pass, output log */
1288
                if (ost->logfile && enc->stats_out) {
1289
                    fprintf(ost->logfile, "%s", enc->stats_out);
1290
                }
1291 5abdb4b1 Fabrice Bellard
            }
1292 85f07f22 Fabrice Bellard
        }
1293 50c3dd32 Michael Niedermayer
        ost->sync_opts++;
1294 ec5517d5 Fabrice Bellard
        ost->frame_number++;
1295 85f07f22 Fabrice Bellard
    }
1296
}
1297
1298 140cb663 Michael Niedermayer
static double psnr(double d){
1299 b29f97d1 Zdenek Kabelac
    return -10.0*log(d)/log(10.0);
1300 140cb663 Michael Niedermayer
}
1301
1302 115329f1 Diego Biurrun
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1303 ec5517d5 Fabrice Bellard
                           int frame_size)
1304 ce7c56c2 Juanjo
{
1305
    AVCodecContext *enc;
1306
    int frame_number;
1307
    double ti1, bitrate, avg_bitrate;
1308 115329f1 Diego Biurrun
1309 b60d1379 Stefano Sabatini
    /* this is executed just the first time do_video_stats is called */
1310 032aa7df Stefano Sabatini
    if (!vstats_file) {
1311
        vstats_file = fopen(vstats_filename, "w");
1312
        if (!vstats_file) {
1313 4bd0c2b1 Benoit Fouet
            perror("fopen");
1314 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
1315 4bd0c2b1 Benoit Fouet
        }
1316
    }
1317
1318 01f4895c Michael Niedermayer
    enc = ost->st->codec;
1319 72415b2a Stefano Sabatini
    if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1320 ec5517d5 Fabrice Bellard
        frame_number = ost->frame_number;
1321 032aa7df Stefano Sabatini
        fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1322 140cb663 Michael Niedermayer
        if (enc->flags&CODEC_FLAG_PSNR)
1323 032aa7df Stefano Sabatini
            fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1324 115329f1 Diego Biurrun
1325 032aa7df Stefano Sabatini
        fprintf(vstats_file,"f_size= %6d ", frame_size);
1326 ec5517d5 Fabrice Bellard
        /* compute pts value */
1327 c0df9d75 Michael Niedermayer
        ti1 = ost->sync_opts * av_q2d(enc->time_base);
1328 ce7c56c2 Juanjo
        if (ti1 < 0.01)
1329
            ti1 = 0.01;
1330 115329f1 Diego Biurrun
1331 c0df9d75 Michael Niedermayer
        bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1332 1008ceb3 Michael Niedermayer
        avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1333 032aa7df Stefano Sabatini
        fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1334 1008ceb3 Michael Niedermayer
            (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1335 032aa7df Stefano Sabatini
        fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1336 ce7c56c2 Juanjo
    }
1337 ec5517d5 Fabrice Bellard
}
1338
1339 b29f97d1 Zdenek Kabelac
static void print_report(AVFormatContext **output_files,
1340 bb270c08 Diego Biurrun
                         AVOutputStream **ost_table, int nb_ostreams,
1341
                         int is_last_report)
1342 ec5517d5 Fabrice Bellard
{
1343
    char buf[1024];
1344
    AVOutputStream *ost;
1345 b5ee9c23 Michael Niedermayer
    AVFormatContext *oc;
1346 0c1a9eda Zdenek Kabelac
    int64_t total_size;
1347 ec5517d5 Fabrice Bellard
    AVCodecContext *enc;
1348
    int frame_number, vid, i;
1349
    double bitrate, ti1, pts;
1350 0c1a9eda Zdenek Kabelac
    static int64_t last_time = -1;
1351 0888fd22 Michael Niedermayer
    static int qp_histogram[52];
1352 115329f1 Diego Biurrun
1353 ec5517d5 Fabrice Bellard
    if (!is_last_report) {
1354 0c1a9eda Zdenek Kabelac
        int64_t cur_time;
1355 ec5517d5 Fabrice Bellard
        /* display the report every 0.5 seconds */
1356
        cur_time = av_gettime();
1357
        if (last_time == -1) {
1358
            last_time = cur_time;
1359
            return;
1360 115329f1 Diego Biurrun
        }
1361 ec5517d5 Fabrice Bellard
        if ((cur_time - last_time) < 500000)
1362
            return;
1363
        last_time = cur_time;
1364
    }
1365
1366 ce7c56c2 Juanjo
1367 ec5517d5 Fabrice Bellard
    oc = output_files[0];
1368
1369 899681cd Björn Axelsson
    total_size = url_fsize(oc->pb);
1370 859d95ba Michael Niedermayer
    if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1371 899681cd Björn Axelsson
        total_size= url_ftell(oc->pb);
1372 115329f1 Diego Biurrun
1373 ec5517d5 Fabrice Bellard
    buf[0] = '\0';
1374
    ti1 = 1e10;
1375
    vid = 0;
1376
    for(i=0;i<nb_ostreams;i++) {
1377
        ost = ost_table[i];
1378 01f4895c Michael Niedermayer
        enc = ost->st->codec;
1379 72415b2a Stefano Sabatini
        if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1380 0ecca7a4 Michael Niedermayer
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1381 e6b4e4ff Michael Niedermayer
                     !ost->st->stream_copy ?
1382 99fb79b5 Baptiste Coudurier
                     enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1383 10d104e4 Philip Gladstone
        }
1384 72415b2a Stefano Sabatini
        if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1385 7fc98937 Limin Wang
            float t = (av_gettime()-timer_start) / 1000000.0;
1386
1387 ec5517d5 Fabrice Bellard
            frame_number = ost->frame_number;
1388 7fc98937 Limin Wang
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1389
                     frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1390 e6b4e4ff Michael Niedermayer
                     !ost->st->stream_copy ?
1391 99fb79b5 Baptiste Coudurier
                     enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1392 890972be Michael Niedermayer
            if(is_last_report)
1393 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1394 e6b4e4ff Michael Niedermayer
            if(qp_hist){
1395 0888fd22 Michael Niedermayer
                int j;
1396
                int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1397 37d3e066 Aurelien Jacobs
                if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1398 0888fd22 Michael Niedermayer
                    qp_histogram[qp]++;
1399
                for(j=0; j<32; j++)
1400
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1401
            }
1402 890972be Michael Niedermayer
            if (enc->flags&CODEC_FLAG_PSNR){
1403
                int j;
1404
                double error, error_sum=0;
1405
                double scale, scale_sum=0;
1406
                char type[3]= {'Y','U','V'};
1407 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1408 890972be Michael Niedermayer
                for(j=0; j<3; j++){
1409
                    if(is_last_report){
1410
                        error= enc->error[j];
1411
                        scale= enc->width*enc->height*255.0*255.0*frame_number;
1412
                    }else{
1413
                        error= enc->coded_frame->error[j];
1414
                        scale= enc->width*enc->height*255.0*255.0;
1415
                    }
1416
                    if(j) scale/=4;
1417
                    error_sum += error;
1418
                    scale_sum += scale;
1419 0ecca7a4 Michael Niedermayer
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1420 890972be Michael Niedermayer
                }
1421 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1422 890972be Michael Niedermayer
            }
1423 ec5517d5 Fabrice Bellard
            vid = 1;
1424
        }
1425
        /* compute min output value */
1426 43924f01 Alex Beregszaszi
        pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1427 5d9827bc Kareila
        if ((pts < ti1) && (pts > 0))
1428 ec5517d5 Fabrice Bellard
            ti1 = pts;
1429
    }
1430
    if (ti1 < 0.01)
1431
        ti1 = 0.01;
1432 115329f1 Diego Biurrun
1433 f068206e Bill Eldridge
    if (verbose || is_last_report) {
1434
        bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1435 115329f1 Diego Biurrun
1436
        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1437 475f4d8d David Bolt
            "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1438 ec5517d5 Fabrice Bellard
            (double)total_size / 1024, ti1, bitrate);
1439 a6a92a9a Wolfram Gloger
1440 0f649d66 Michael Niedermayer
        if (nb_frames_dup || nb_frames_drop)
1441 bb270c08 Diego Biurrun
          snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1442
                  nb_frames_dup, nb_frames_drop);
1443 115329f1 Diego Biurrun
1444 d8019eb5 Allen Day
        if (verbose >= 0)
1445
            fprintf(stderr, "%s    \r", buf);
1446
1447 ec5517d5 Fabrice Bellard
        fflush(stderr);
1448
    }
1449 115329f1 Diego Biurrun
1450 1008ceb3 Michael Niedermayer
    if (is_last_report && verbose >= 0){
1451
        int64_t raw= audio_size + video_size + extra_size;
1452 f068206e Bill Eldridge
        fprintf(stderr, "\n");
1453 1008ceb3 Michael Niedermayer
        fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1454
                video_size/1024.0,
1455
                audio_size/1024.0,
1456
                extra_size/1024.0,
1457
                100.0*(total_size - raw)/raw
1458
        );
1459
    }
1460 ce7c56c2 Juanjo
}
1461
1462 a700a6ae Fabrice Bellard
/* pkt = NULL means EOF (needed to flush decoder buffers) */
1463
static int output_packet(AVInputStream *ist, int ist_index,
1464
                         AVOutputStream **ost_table, int nb_ostreams,
1465 4b85a28f Wolfram Gloger
                         const AVPacket *pkt)
1466 a700a6ae Fabrice Bellard
{
1467
    AVFormatContext *os;
1468
    AVOutputStream *ost;
1469 ede0e475 Thilo Borgmann
    int ret, i;
1470 8157483d Michael Niedermayer
    int got_picture;
1471 a700a6ae Fabrice Bellard
    AVFrame picture;
1472
    void *buffer_to_free;
1473 f038fe8b Diego Biurrun
    static unsigned int samples_size= 0;
1474 cf7fc795 Fabrice Bellard
    AVSubtitle subtitle, *subtitle_to_free;
1475 0ff4f0c0 Alexander Strange
    int64_t pkt_pts = AV_NOPTS_VALUE;
1476 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1477 d21f58b5 Baptiste Coudurier
    int frame_available;
1478 46847a33 Michael Niedermayer
#endif
1479
1480 ede0e475 Thilo Borgmann
    AVPacket avpkt;
1481 ba7d6e79 Stefano Sabatini
    int bps = av_get_bits_per_sample_fmt(ist->st->codec->sample_fmt)>>3;
1482 ede0e475 Thilo Borgmann
1483 ed923859 Michael Niedermayer
    if(ist->next_pts == AV_NOPTS_VALUE)
1484
        ist->next_pts= ist->pts;
1485
1486 a700a6ae Fabrice Bellard
    if (pkt == NULL) {
1487
        /* EOF handling */
1488 031e14ea Thilo Borgmann
        av_init_packet(&avpkt);
1489 ede0e475 Thilo Borgmann
        avpkt.data = NULL;
1490
        avpkt.size = 0;
1491 a700a6ae Fabrice Bellard
        goto handle_eof;
1492 031e14ea Thilo Borgmann
    } else {
1493
        avpkt = *pkt;
1494 a700a6ae Fabrice Bellard
    }
1495
1496 b1b818fc Michael Niedermayer
    if(pkt->dts != AV_NOPTS_VALUE)
1497
        ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1498 0ff4f0c0 Alexander Strange
    if(pkt->pts != AV_NOPTS_VALUE)
1499
        pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1500 b1b818fc Michael Niedermayer
1501 bd6754aa Michael Niedermayer
    //while we have more to decode or while the decoder did output something on EOF
1502 ede0e475 Thilo Borgmann
    while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1503 036c1382 Michael Niedermayer
        uint8_t *data_buf, *decoded_data_buf;
1504
        int data_size, decoded_data_size;
1505 a700a6ae Fabrice Bellard
    handle_eof:
1506 b1b818fc Michael Niedermayer
        ist->pts= ist->next_pts;
1507 19d5da50 Michael Niedermayer
1508 d859bb1d Sascha Sommer
        if(avpkt.size && avpkt.size != pkt->size &&
1509 6e2fdc3e Stefano Sabatini
           ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1510 40cb57a2 Michael Niedermayer
            fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1511 3ff0daf0 Michael Niedermayer
            ist->showed_multi_packet_warning=1;
1512
        }
1513 40cb57a2 Michael Niedermayer
1514 a700a6ae Fabrice Bellard
        /* decode the packet if needed */
1515 036c1382 Michael Niedermayer
        decoded_data_buf = NULL; /* fail safe */
1516
        decoded_data_size= 0;
1517
        data_buf  = avpkt.data;
1518
        data_size = avpkt.size;
1519 cf7fc795 Fabrice Bellard
        subtitle_to_free = NULL;
1520 a700a6ae Fabrice Bellard
        if (ist->decoding_needed) {
1521 01f4895c Michael Niedermayer
            switch(ist->st->codec->codec_type) {
1522 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:{
1523 81b060fa Loren Merritt
                if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1524
                    samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1525
                    av_free(samples);
1526
                    samples= av_malloc(samples_size);
1527
                }
1528 036c1382 Michael Niedermayer
                decoded_data_size= samples_size;
1529 a700a6ae Fabrice Bellard
                    /* XXX: could avoid copy if PCM 16 bits with same
1530
                       endianness as CPU */
1531 036c1382 Michael Niedermayer
                ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1532 ede0e475 Thilo Borgmann
                                            &avpkt);
1533 a700a6ae Fabrice Bellard
                if (ret < 0)
1534
                    goto fail_decode;
1535 ede0e475 Thilo Borgmann
                avpkt.data += ret;
1536
                avpkt.size -= ret;
1537 036c1382 Michael Niedermayer
                data_size   = ret;
1538 a700a6ae Fabrice Bellard
                /* Some bug in mpeg audio decoder gives */
1539 036c1382 Michael Niedermayer
                /* decoded_data_size < 0, it seems they are overflows */
1540
                if (decoded_data_size <= 0) {
1541 a700a6ae Fabrice Bellard
                    /* no audio frame */
1542
                    continue;
1543
                }
1544 036c1382 Michael Niedermayer
                decoded_data_buf = (uint8_t *)samples;
1545
                ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1546 01f4895c Michael Niedermayer
                    (ist->st->codec->sample_rate * ist->st->codec->channels);
1547 df84ac2e Michael Niedermayer
                break;}
1548 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
1549 036c1382 Michael Niedermayer
                    decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1550 a700a6ae Fabrice Bellard
                    /* XXX: allocate picture correctly */
1551 9740beff Michael Niedermayer
                    avcodec_get_frame_defaults(&picture);
1552 0ff4f0c0 Alexander Strange
                    ist->st->codec->reordered_opaque = pkt_pts;
1553
                    pkt_pts = AV_NOPTS_VALUE;
1554 9740beff Michael Niedermayer
1555 ede0e475 Thilo Borgmann
                    ret = avcodec_decode_video2(ist->st->codec,
1556
                                                &picture, &got_picture, &avpkt);
1557 a700a6ae Fabrice Bellard
                    ist->st->quality= picture.quality;
1558 115329f1 Diego Biurrun
                    if (ret < 0)
1559 a700a6ae Fabrice Bellard
                        goto fail_decode;
1560
                    if (!got_picture) {
1561
                        /* no picture yet */
1562
                        goto discard_packet;
1563
                    }
1564 0ff4f0c0 Alexander Strange
                    ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.reordered_opaque, ist->pts);
1565 01f4895c Michael Niedermayer
                    if (ist->st->codec->time_base.num != 0) {
1566 3797c74b Michael Niedermayer
                        int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1567 115329f1 Diego Biurrun
                        ist->next_pts += ((int64_t)AV_TIME_BASE *
1568 34583e1b Michael Niedermayer
                                          ist->st->codec->time_base.num * ticks) /
1569 01f4895c Michael Niedermayer
                            ist->st->codec->time_base.den;
1570 a700a6ae Fabrice Bellard
                    }
1571 ede0e475 Thilo Borgmann
                    avpkt.size = 0;
1572 a700a6ae Fabrice Bellard
                    break;
1573 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_SUBTITLE:
1574 ede0e475 Thilo Borgmann
                ret = avcodec_decode_subtitle2(ist->st->codec,
1575 28db3215 Alexander Strange
                                               &subtitle, &got_picture, &avpkt);
1576 cf7fc795 Fabrice Bellard
                if (ret < 0)
1577 a700a6ae Fabrice Bellard
                    goto fail_decode;
1578 28db3215 Alexander Strange
                if (!got_picture) {
1579 cf7fc795 Fabrice Bellard
                    goto discard_packet;
1580 a700a6ae Fabrice Bellard
                }
1581 cf7fc795 Fabrice Bellard
                subtitle_to_free = &subtitle;
1582 ede0e475 Thilo Borgmann
                avpkt.size = 0;
1583 cf7fc795 Fabrice Bellard
                break;
1584
            default:
1585
                goto fail_decode;
1586
            }
1587
        } else {
1588 bde0705c Limin Wang
            switch(ist->st->codec->codec_type) {
1589 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:
1590 bde0705c Limin Wang
                ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1591 1c715415 Michael Niedermayer
                    ist->st->codec->sample_rate;
1592 bde0705c Limin Wang
                break;
1593 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
1594 bde0705c Limin Wang
                if (ist->st->codec->time_base.num != 0) {
1595 3797c74b Michael Niedermayer
                    int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1596 bde0705c Limin Wang
                    ist->next_pts += ((int64_t)AV_TIME_BASE *
1597 34583e1b Michael Niedermayer
                                      ist->st->codec->time_base.num * ticks) /
1598 bde0705c Limin Wang
                        ist->st->codec->time_base.den;
1599 2fef0bdf Michael Niedermayer
                }
1600 bde0705c Limin Wang
                break;
1601 a700a6ae Fabrice Bellard
            }
1602 ede0e475 Thilo Borgmann
            ret = avpkt.size;
1603
            avpkt.size = 0;
1604 bde0705c Limin Wang
        }
1605 a700a6ae Fabrice Bellard
1606 bde0705c Limin Wang
        buffer_to_free = NULL;
1607 72415b2a Stefano Sabatini
        if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1608 bde0705c Limin Wang
            pre_process_video_frame(ist, (AVPicture *)&picture,
1609
                                    &buffer_to_free);
1610
        }
1611 a700a6ae Fabrice Bellard
1612 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1613
        if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->input_video_filter) {
1614 d9c3e5f6 Michael Niedermayer
            AVRational sar;
1615
            if (ist->st->sample_aspect_ratio.num) sar = ist->st->sample_aspect_ratio;
1616
            else                                  sar = ist->st->codec->sample_aspect_ratio;
1617 46847a33 Michael Niedermayer
            // add it to be filtered
1618
            av_vsrc_buffer_add_frame(ist->input_video_filter, &picture,
1619
                                     ist->pts,
1620 d9c3e5f6 Michael Niedermayer
                                     sar);
1621 46847a33 Michael Niedermayer
        }
1622
#endif
1623
1624 bde0705c Limin Wang
        // preprocess audio (volume)
1625 72415b2a Stefano Sabatini
        if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1626 bde0705c Limin Wang
            if (audio_volume != 256) {
1627
                short *volp;
1628
                volp = samples;
1629 036c1382 Michael Niedermayer
                for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1630 bde0705c Limin Wang
                    int v = ((*volp) * audio_volume + 128) >> 8;
1631
                    if (v < -32768) v = -32768;
1632
                    if (v >  32767) v = 32767;
1633
                    *volp++ = v;
1634 7e987c33 Calcium
                }
1635
            }
1636 bde0705c Limin Wang
        }
1637 7e987c33 Calcium
1638 bde0705c Limin Wang
        /* frame rate emulation */
1639 3a25ca18 Stefano Sabatini
        if (rate_emu) {
1640 cb103a19 Stefano Sabatini
            int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1641 bde0705c Limin Wang
            int64_t now = av_gettime() - ist->start;
1642
            if (pts > now)
1643
                usleep(pts - now);
1644
        }
1645 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1646 d21f58b5 Baptiste Coudurier
        frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1647 dfd57757 Stefano Sabatini
            !ist->output_video_filter || avfilter_poll_frame(ist->output_video_filter->inputs[0]);
1648 46847a33 Michael Niedermayer
#endif
1649 bde0705c Limin Wang
        /* if output time reached then transcode raw format,
1650
           encode packets and output them */
1651
        if (start_time == 0 || ist->pts >= start_time)
1652 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1653 d21f58b5 Baptiste Coudurier
        while (frame_available) {
1654 ff0652e5 Stefano Sabatini
            AVRational ist_pts_tb;
1655 dfd57757 Stefano Sabatini
            if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->output_video_filter)
1656 ff0652e5 Stefano Sabatini
                get_filtered_video_frame(ist->output_video_filter, &picture, &ist->picref, &ist_pts_tb);
1657
            if (ist->picref)
1658 da1b9b88 Stefano Sabatini
                ist->pts = av_rescale_q(ist->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1659 46847a33 Michael Niedermayer
#endif
1660 bde0705c Limin Wang
            for(i=0;i<nb_ostreams;i++) {
1661
                int frame_size;
1662 a700a6ae Fabrice Bellard
1663 bde0705c Limin Wang
                ost = ost_table[i];
1664
                if (ost->source_index == ist_index) {
1665
                    os = output_files[ost->file_index];
1666 a700a6ae Fabrice Bellard
1667 bde0705c Limin Wang
                    /* set the input output pts pairs */
1668
                    //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1669
1670
                    if (ost->encoding_needed) {
1671 b926b628 Michael Niedermayer
                        av_assert0(ist->decoding_needed);
1672 bde0705c Limin Wang
                        switch(ost->st->codec->codec_type) {
1673 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_AUDIO:
1674 036c1382 Michael Niedermayer
                            do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1675 bde0705c Limin Wang
                            break;
1676 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_VIDEO:
1677 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1678 cc80caff S.N. Hemanth Meenakshisundaram
                            if (ist->picref->video)
1679
                                ost->st->codec->sample_aspect_ratio = ist->picref->video->pixel_aspect;
1680 46847a33 Michael Niedermayer
#endif
1681 bde0705c Limin Wang
                            do_video_out(os, ost, ist, &picture, &frame_size);
1682 b60d1379 Stefano Sabatini
                            if (vstats_filename && frame_size)
1683 bde0705c Limin Wang
                                do_video_stats(os, ost, frame_size);
1684
                            break;
1685 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_SUBTITLE:
1686 bde0705c Limin Wang
                            do_subtitle_out(os, ost, ist, &subtitle,
1687
                                            pkt->pts);
1688
                            break;
1689
                        default:
1690 0f4e8165 Ronald S. Bultje
                            abort();
1691 bde0705c Limin Wang
                        }
1692
                    } else {
1693
                        AVFrame avframe; //FIXME/XXX remove this
1694
                        AVPacket opkt;
1695 cdf38a17 Michael Niedermayer
                        int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1696
1697 bde0705c Limin Wang
                        av_init_packet(&opkt);
1698
1699 cc947f04 Jean-Daniel Dupas
                        if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1700 7cacf1e8 Michael Niedermayer
                            continue;
1701
1702 bde0705c Limin Wang
                        /* no reencoding needed : output the packet directly */
1703
                        /* force the input stream PTS */
1704
1705
                        avcodec_get_frame_defaults(&avframe);
1706
                        ost->st->codec->coded_frame= &avframe;
1707 cc947f04 Jean-Daniel Dupas
                        avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1708 bde0705c Limin Wang
1709 72415b2a Stefano Sabatini
                        if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1710 bde0705c Limin Wang
                            audio_size += data_size;
1711 72415b2a Stefano Sabatini
                        else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1712 bde0705c Limin Wang
                            video_size += data_size;
1713
                            ost->sync_opts++;
1714
                        }
1715
1716
                        opkt.stream_index= ost->index;
1717
                        if(pkt->pts != AV_NOPTS_VALUE)
1718 cdf38a17 Michael Niedermayer
                            opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1719 bde0705c Limin Wang
                        else
1720
                            opkt.pts= AV_NOPTS_VALUE;
1721
1722 d2ce2f5e Baptiste Coudurier
                        if (pkt->dts == AV_NOPTS_VALUE)
1723 181782ae Michael Niedermayer
                            opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1724 d2ce2f5e Baptiste Coudurier
                        else
1725
                            opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1726 cdf38a17 Michael Niedermayer
                        opkt.dts -= ost_tb_start_time;
1727 c0dd7b7c Michael Niedermayer
1728 a03d59b7 Aurelien Jacobs
                        opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1729 bde0705c Limin Wang
                        opkt.flags= pkt->flags;
1730
1731
                        //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1732 5bfe91e6 Michael Niedermayer
                        if(   ost->st->codec->codec_id != CODEC_ID_H264
1733
                           && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1734
                           && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1735
                           ) {
1736 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))
1737 9f907d85 Michael Niedermayer
                                opkt.destruct= av_destruct_packet;
1738 d310d56a Baptiste Coudurier
                        } else {
1739
                            opkt.data = data_buf;
1740
                            opkt.size = data_size;
1741
                        }
1742 bde0705c Limin Wang
1743 0b6d358a Nicolas George
                        write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1744 bde0705c Limin Wang
                        ost->st->codec->frame_number++;
1745
                        ost->frame_number++;
1746
                        av_free_packet(&opkt);
1747 a700a6ae Fabrice Bellard
                    }
1748
                }
1749 bde0705c Limin Wang
            }
1750 46847a33 Michael Niedermayer
1751
#if CONFIG_AVFILTER
1752 748db0fc Michael Niedermayer
            frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1753 dfd57757 Stefano Sabatini
                              ist->output_video_filter && avfilter_poll_frame(ist->output_video_filter->inputs[0]);
1754 46847a33 Michael Niedermayer
            if(ist->picref)
1755 7fce481a S.N. Hemanth Meenakshisundaram
                avfilter_unref_buffer(ist->picref);
1756 46847a33 Michael Niedermayer
        }
1757
#endif
1758 bde0705c Limin Wang
        av_free(buffer_to_free);
1759
        /* XXX: allocate the subtitles in the codec ? */
1760
        if (subtitle_to_free) {
1761 1d6233d3 Aurelien Jacobs
            avsubtitle_free(subtitle_to_free);
1762 bde0705c Limin Wang
            subtitle_to_free = NULL;
1763 a700a6ae Fabrice Bellard
        }
1764 bde0705c Limin Wang
    }
1765 a700a6ae Fabrice Bellard
 discard_packet:
1766 6f824977 Michael Niedermayer
    if (pkt == NULL) {
1767
        /* EOF handling */
1768 115329f1 Diego Biurrun
1769 6f824977 Michael Niedermayer
        for(i=0;i<nb_ostreams;i++) {
1770
            ost = ost_table[i];
1771
            if (ost->source_index == ist_index) {
1772 01f4895c Michael Niedermayer
                AVCodecContext *enc= ost->st->codec;
1773 6f824977 Michael Niedermayer
                os = output_files[ost->file_index];
1774 115329f1 Diego Biurrun
1775 72415b2a Stefano Sabatini
                if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1776 6f824977 Michael Niedermayer
                    continue;
1777 72415b2a Stefano Sabatini
                if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1778 6f824977 Michael Niedermayer
                    continue;
1779
1780
                if (ost->encoding_needed) {
1781
                    for(;;) {
1782
                        AVPacket pkt;
1783 cef7cc72 Justin Ruggles
                        int fifo_bytes;
1784 6f824977 Michael Niedermayer
                        av_init_packet(&pkt);
1785
                        pkt.stream_index= ost->index;
1786 115329f1 Diego Biurrun
1787 01f4895c Michael Niedermayer
                        switch(ost->st->codec->codec_type) {
1788 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_AUDIO:
1789 41dd680d Michael Niedermayer
                            fifo_bytes = av_fifo_size(ost->fifo);
1790 cef7cc72 Justin Ruggles
                            ret = 0;
1791
                            /* encode any samples remaining in fifo */
1792 b10d7e4e Baptiste Coudurier
                            if (fifo_bytes > 0) {
1793 ba7d6e79 Stefano Sabatini
                                int osize = av_get_bits_per_sample_fmt(enc->sample_fmt) >> 3;
1794 cef7cc72 Justin Ruggles
                                int fs_tmp = enc->frame_size;
1795 b10d7e4e Baptiste Coudurier
1796 79c85beb Justin Ruggles
                                av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1797 b10d7e4e Baptiste Coudurier
                                if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1798
                                    enc->frame_size = fifo_bytes / (osize * enc->channels);
1799
                                } else { /* pad */
1800
                                    int frame_bytes = enc->frame_size*osize*enc->channels;
1801 79c85beb Justin Ruggles
                                    if (allocated_audio_buf_size < frame_bytes)
1802 639e4ec8 Stefano Sabatini
                                        ffmpeg_exit(1);
1803 e91376d1 Justin Ruggles
                                    memset(audio_buf+fifo_bytes, 0, frame_bytes - fifo_bytes);
1804 b10d7e4e Baptiste Coudurier
                                }
1805
1806 79c85beb Justin Ruggles
                                ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1807 7c8689ef Baptiste Coudurier
                                pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1808
                                                          ost->st->time_base.num, enc->sample_rate);
1809 cef7cc72 Justin Ruggles
                                enc->frame_size = fs_tmp;
1810 9e0db7d5 Michael Niedermayer
                            }
1811
                            if(ret <= 0) {
1812 cef7cc72 Justin Ruggles
                                ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1813
                            }
1814 528271ff Michael Niedermayer
                            if (ret < 0) {
1815
                                fprintf(stderr, "Audio encoding failed\n");
1816 639e4ec8 Stefano Sabatini
                                ffmpeg_exit(1);
1817 528271ff Michael Niedermayer
                            }
1818 6f824977 Michael Niedermayer
                            audio_size += ret;
1819 cc947f04 Jean-Daniel Dupas
                            pkt.flags |= AV_PKT_FLAG_KEY;
1820 6f824977 Michael Niedermayer
                            break;
1821 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_VIDEO:
1822 8a6cb114 Michael Niedermayer
                            ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1823 528271ff Michael Niedermayer
                            if (ret < 0) {
1824
                                fprintf(stderr, "Video encoding failed\n");
1825 639e4ec8 Stefano Sabatini
                                ffmpeg_exit(1);
1826 528271ff Michael Niedermayer
                            }
1827 6f824977 Michael Niedermayer
                            video_size += ret;
1828
                            if(enc->coded_frame && enc->coded_frame->key_frame)
1829 cc947f04 Jean-Daniel Dupas
                                pkt.flags |= AV_PKT_FLAG_KEY;
1830 6f824977 Michael Niedermayer
                            if (ost->logfile && enc->stats_out) {
1831
                                fprintf(ost->logfile, "%s", enc->stats_out);
1832
                            }
1833
                            break;
1834
                        default:
1835
                            ret=-1;
1836
                        }
1837 115329f1 Diego Biurrun
1838 6f824977 Michael Niedermayer
                        if(ret<=0)
1839
                            break;
1840 27537106 Michael Niedermayer
                        pkt.data= bit_buffer;
1841 6f824977 Michael Niedermayer
                        pkt.size= ret;
1842 e7902f20 Michael Niedermayer
                        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1843 c0df9d75 Michael Niedermayer
                            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1844 0b6d358a Nicolas George
                        write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1845 6f824977 Michael Niedermayer
                    }
1846
                }
1847
            }
1848
        }
1849
    }
1850 115329f1 Diego Biurrun
1851 a700a6ae Fabrice Bellard
    return 0;
1852
 fail_decode:
1853
    return -1;
1854
}
1855
1856 6d1ba1ac Luca Abeni
static void print_sdp(AVFormatContext **avc, int n)
1857
{
1858
    char sdp[2048];
1859
1860
    avf_sdp_create(avc, n, sdp, sizeof(sdp));
1861
    printf("SDP:\n%s\n", sdp);
1862 536cd1db Luca Barbato
    fflush(stdout);
1863 6d1ba1ac Luca Abeni
}
1864 a700a6ae Fabrice Bellard
1865 7a39f142 Anton Khirnov
static int copy_chapters(int infile, int outfile)
1866
{
1867
    AVFormatContext *is = input_files[infile];
1868
    AVFormatContext *os = output_files[outfile];
1869
    int i;
1870
1871
    for (i = 0; i < is->nb_chapters; i++) {
1872
        AVChapter *in_ch = is->chapters[i], *out_ch;
1873
        int64_t ts_off   = av_rescale_q(start_time - input_files_ts_offset[infile],
1874
                                      AV_TIME_BASE_Q, in_ch->time_base);
1875
        int64_t rt       = (recording_time == INT64_MAX) ? INT64_MAX :
1876
                           av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1877
1878
1879
        if (in_ch->end < ts_off)
1880
            continue;
1881
        if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1882
            break;
1883
1884
        out_ch = av_mallocz(sizeof(AVChapter));
1885
        if (!out_ch)
1886
            return AVERROR(ENOMEM);
1887
1888
        out_ch->id        = in_ch->id;
1889
        out_ch->time_base = in_ch->time_base;
1890
        out_ch->start     = FFMAX(0,  in_ch->start - ts_off);
1891
        out_ch->end       = FFMIN(rt, in_ch->end   - ts_off);
1892
1893 d0abe80a Anton Khirnov
        if (metadata_chapters_autocopy)
1894 7f88a5bf Ronald S. Bultje
            av_metadata_copy(&out_ch->metadata, in_ch->metadata, 0);
1895 7a39f142 Anton Khirnov
1896
        os->nb_chapters++;
1897
        os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1898
        if (!os->chapters)
1899
            return AVERROR(ENOMEM);
1900
        os->chapters[os->nb_chapters - 1] = out_ch;
1901
    }
1902
    return 0;
1903
}
1904
1905 4ad08021 Nicolas George
static void parse_forced_key_frames(char *kf, AVOutputStream *ost,
1906
                                    AVCodecContext *avctx)
1907
{
1908
    char *p;
1909
    int n = 1, i;
1910
    int64_t t;
1911
1912
    for (p = kf; *p; p++)
1913
        if (*p == ',')
1914
            n++;
1915
    ost->forced_kf_count = n;
1916
    ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1917
    if (!ost->forced_kf_pts) {
1918
        av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1919
        ffmpeg_exit(1);
1920
    }
1921
    for (i = 0; i < n; i++) {
1922
        p = i ? strchr(p, ',') + 1 : kf;
1923
        t = parse_time_or_die("force_key_frames", p, 1);
1924
        ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1925
    }
1926
}
1927
1928 85f07f22 Fabrice Bellard
/*
1929
 * The following code is the main loop of the file converter
1930
 */
1931 3aace1bc Stefano Sabatini
static int transcode(AVFormatContext **output_files,
1932 065a20cb Stefano Sabatini
                     int nb_output_files,
1933
                     AVFormatContext **input_files,
1934
                     int nb_input_files,
1935
                     AVStreamMap *stream_maps, int nb_stream_maps)
1936 85f07f22 Fabrice Bellard
{
1937 002c95d7 Baptiste Coudurier
    int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1938 85f07f22 Fabrice Bellard
    AVFormatContext *is, *os;
1939
    AVCodecContext *codec, *icodec;
1940
    AVOutputStream *ost, **ost_table = NULL;
1941
    AVInputStream *ist, **ist_table = NULL;
1942 bdc4796f Fabrice Bellard
    AVInputFile *file_table;
1943 002c95d7 Baptiste Coudurier
    char error[1024];
1944 cb09b2ed Philip Gladstone
    int key;
1945 6d1ba1ac Luca Abeni
    int want_sdp = 1;
1946 545465ec Michael Niedermayer
    uint8_t no_packet[MAX_FILES]={0};
1947
    int no_packet_count=0;
1948 bdc4796f Fabrice Bellard
1949 90901860 Michael Niedermayer
    file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1950 bdc4796f Fabrice Bellard
    if (!file_table)
1951
        goto fail;
1952 115329f1 Diego Biurrun
1953 85f07f22 Fabrice Bellard
    /* input stream init */
1954
    j = 0;
1955
    for(i=0;i<nb_input_files;i++) {
1956
        is = input_files[i];
1957
        file_table[i].ist_index = j;
1958 79fdaa4c Fabrice Bellard
        file_table[i].nb_streams = is->nb_streams;
1959 85f07f22 Fabrice Bellard
        j += is->nb_streams;
1960
    }
1961
    nb_istreams = j;
1962
1963
    ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1964
    if (!ist_table)
1965 bdc4796f Fabrice Bellard
        goto fail;
1966 115329f1 Diego Biurrun
1967 85f07f22 Fabrice Bellard
    for(i=0;i<nb_istreams;i++) {
1968
        ist = av_mallocz(sizeof(AVInputStream));
1969
        if (!ist)
1970
            goto fail;
1971
        ist_table[i] = ist;
1972
    }
1973
    j = 0;
1974
    for(i=0;i<nb_input_files;i++) {
1975
        is = input_files[i];
1976
        for(k=0;k<is->nb_streams;k++) {
1977
            ist = ist_table[j++];
1978
            ist->st = is->streams[k];
1979
            ist->file_index = i;
1980
            ist->index = k;
1981
            ist->discard = 1; /* the stream is discarded by default
1982
                                 (changed later) */
1983 bdfcbbed Max Krasnyansky
1984 3a25ca18 Stefano Sabatini
            if (rate_emu) {
1985 bdfcbbed Max Krasnyansky
                ist->start = av_gettime();
1986
            }
1987 85f07f22 Fabrice Bellard
        }
1988
    }
1989
1990
    /* output stream init */
1991
    nb_ostreams = 0;
1992
    for(i=0;i<nb_output_files;i++) {
1993
        os = output_files[i];
1994 bb62d5c1 Anton Khirnov
        if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1995 fc5d0db5 Stefano Sabatini
            dump_format(output_files[i], i, output_files[i]->filename, 1);
1996
            fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1997 d62ccec8 Jai Menon
            ret = AVERROR(EINVAL);
1998
            goto fail;
1999 8a7bde1c Baptiste Coudurier
        }
2000 85f07f22 Fabrice Bellard
        nb_ostreams += os->nb_streams;
2001
    }
2002
    if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
2003
        fprintf(stderr, "Number of stream maps must match number of output streams\n");
2004 d62ccec8 Jai Menon
        ret = AVERROR(EINVAL);
2005
        goto fail;
2006 85f07f22 Fabrice Bellard
    }
2007
2008 bd073980 Brian Foley
    /* Sanity check the mapping args -- do the input files & streams exist? */
2009
    for(i=0;i<nb_stream_maps;i++) {
2010
        int fi = stream_maps[i].file_index;
2011
        int si = stream_maps[i].stream_index;
2012 115329f1 Diego Biurrun
2013 bd073980 Brian Foley
        if (fi < 0 || fi > nb_input_files - 1 ||
2014
            si < 0 || si > file_table[fi].nb_streams - 1) {
2015
            fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
2016 d62ccec8 Jai Menon
            ret = AVERROR(EINVAL);
2017
            goto fail;
2018 bd073980 Brian Foley
        }
2019 b4a3389e Wolfram Gloger
        fi = stream_maps[i].sync_file_index;
2020
        si = stream_maps[i].sync_stream_index;
2021
        if (fi < 0 || fi > nb_input_files - 1 ||
2022
            si < 0 || si > file_table[fi].nb_streams - 1) {
2023
            fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2024 d62ccec8 Jai Menon
            ret = AVERROR(EINVAL);
2025
            goto fail;
2026 b4a3389e Wolfram Gloger
        }
2027 bd073980 Brian Foley
    }
2028 115329f1 Diego Biurrun
2029 85f07f22 Fabrice Bellard
    ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2030
    if (!ost_table)
2031
        goto fail;
2032
    n = 0;
2033
    for(k=0;k<nb_output_files;k++) {
2034
        os = output_files[k];
2035 de427ff4 Stefano Sabatini
        for(i=0;i<os->nb_streams;i++,n++) {
2036 85f07f22 Fabrice Bellard
            int found;
2037 9fdf4b58 Nicolas George
            ost = ost_table[n] = output_streams_for_file[k][i];
2038 85f07f22 Fabrice Bellard
            ost->st = os->streams[i];
2039
            if (nb_stream_maps > 0) {
2040 de427ff4 Stefano Sabatini
                ost->source_index = file_table[stream_maps[n].file_index].ist_index +
2041
                    stream_maps[n].stream_index;
2042 115329f1 Diego Biurrun
2043 bd073980 Brian Foley
                /* Sanity check that the stream types match */
2044 01f4895c Michael Niedermayer
                if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
2045 150d5a25 Stefano Sabatini
                    int i= ost->file_index;
2046
                    dump_format(output_files[i], i, output_files[i]->filename, 1);
2047 bd073980 Brian Foley
                    fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2048 de427ff4 Stefano Sabatini
                        stream_maps[n].file_index, stream_maps[n].stream_index,
2049 bd073980 Brian Foley
                        ost->file_index, ost->index);
2050 639e4ec8 Stefano Sabatini
                    ffmpeg_exit(1);
2051 bd073980 Brian Foley
                }
2052 115329f1 Diego Biurrun
2053 85f07f22 Fabrice Bellard
            } else {
2054 247e3954 Michael Niedermayer
                int best_nb_frames=-1;
2055 3f1710e7 Ramiro Polla
                /* get corresponding input stream index : we select the first one with the right type */
2056
                found = 0;
2057
                for(j=0;j<nb_istreams;j++) {
2058
                    int skip=0;
2059
                    ist = ist_table[j];
2060
                    if(opt_programid){
2061
                        int pi,si;
2062
                        AVFormatContext *f= input_files[ ist->file_index ];
2063
                        skip=1;
2064
                        for(pi=0; pi<f->nb_programs; pi++){
2065
                            AVProgram *p= f->programs[pi];
2066
                            if(p->id == opt_programid)
2067
                                for(si=0; si<p->nb_stream_indexes; si++){
2068
                                    if(f->streams[ p->stream_index[si] ] == ist->st)
2069
                                        skip=0;
2070
                                }
2071 6d3d3b83 Michael Niedermayer
                        }
2072 3f1710e7 Ramiro Polla
                    }
2073
                    if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2074
                        ist->st->codec->codec_type == ost->st->codec->codec_type) {
2075
                        if(best_nb_frames < ist->st->codec_info_nb_frames){
2076
                            best_nb_frames= ist->st->codec_info_nb_frames;
2077
                            ost->source_index = j;
2078
                            found = 1;
2079 85f07f22 Fabrice Bellard
                        }
2080
                    }
2081 3f1710e7 Ramiro Polla
                }
2082 a15bc651 Nico Sabbi
2083
                if (!found) {
2084
                    if(! opt_programid) {
2085
                        /* try again and reuse existing stream */
2086
                        for(j=0;j<nb_istreams;j++) {
2087
                            ist = ist_table[j];
2088 6d3d3b83 Michael Niedermayer
                            if (   ist->st->codec->codec_type == ost->st->codec->codec_type
2089
                                && ist->st->discard != AVDISCARD_ALL) {
2090 a15bc651 Nico Sabbi
                                ost->source_index = j;
2091
                                found = 1;
2092
                            }
2093
                        }
2094 50e143c4 Nico Sabbi
                    }
2095 85f07f22 Fabrice Bellard
                    if (!found) {
2096 462cca10 Stefano Sabatini
                        int i= ost->file_index;
2097
                        dump_format(output_files[i], i, output_files[i]->filename, 1);
2098 85f07f22 Fabrice Bellard
                        fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2099
                                ost->file_index, ost->index);
2100 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2101 85f07f22 Fabrice Bellard
                    }
2102
                }
2103
            }
2104
            ist = ist_table[ost->source_index];
2105
            ist->discard = 0;
2106 b4a3389e Wolfram Gloger
            ost->sync_ist = (nb_stream_maps > 0) ?
2107 de427ff4 Stefano Sabatini
                ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2108
                         stream_maps[n].sync_stream_index] : ist;
2109 85f07f22 Fabrice Bellard
        }
2110
    }
2111
2112
    /* for each output stream, we compute the right encoding parameters */
2113
    for(i=0;i<nb_ostreams;i++) {
2114
        ost = ost_table[i];
2115 365515ac Michael Niedermayer
        os = output_files[ost->file_index];
2116 85f07f22 Fabrice Bellard
        ist = ist_table[ost->source_index];
2117
2118 01f4895c Michael Niedermayer
        codec = ost->st->codec;
2119
        icodec = ist->st->codec;
2120 85f07f22 Fabrice Bellard
2121 d0abe80a Anton Khirnov
        if (metadata_streams_autocopy)
2122 7f88a5bf Ronald S. Bultje
            av_metadata_copy(&ost->st->metadata, ist->st->metadata,
2123
                             AV_METADATA_DONT_OVERWRITE);
2124 8e0d882b Aurelien Jacobs
2125 90c2295b Evgeniy Stepanov
        ost->st->disposition = ist->st->disposition;
2126 a39b76ea Michael Niedermayer
        codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2127 de961801 David Conrad
        codec->chroma_sample_location = icodec->chroma_sample_location;
2128 90c2295b Evgeniy Stepanov
2129 1629626f Fabrice Bellard
        if (ost->st->stream_copy) {
2130 b659c8b4 Luca Abeni
            uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2131
2132
            if (extra_size > INT_MAX)
2133
                goto fail;
2134
2135 1629626f Fabrice Bellard
            /* if stream_copy is selected, no need to decode or encode */
2136
            codec->codec_id = icodec->codec_id;
2137
            codec->codec_type = icodec->codec_type;
2138 365515ac Michael Niedermayer
2139
            if(!codec->codec_tag){
2140
                if(   !os->oformat->codec_tag
2141 37ce3d6b Michael Niedermayer
                   || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2142 365515ac Michael Niedermayer
                   || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2143
                    codec->codec_tag = icodec->codec_tag;
2144
            }
2145
2146 1629626f Fabrice Bellard
            codec->bit_rate = icodec->bit_rate;
2147 2dec2bb8 Michael Niedermayer
            codec->rc_max_rate    = icodec->rc_max_rate;
2148
            codec->rc_buffer_size = icodec->rc_buffer_size;
2149 b659c8b4 Luca Abeni
            codec->extradata= av_mallocz(extra_size);
2150
            if (!codec->extradata)
2151
                goto fail;
2152
            memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2153 dffbfd06 Michael Niedermayer
            codec->extradata_size= icodec->extradata_size;
2154 59e2118e Michael Niedermayer
            if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
2155 d29de719 Michael Niedermayer
                codec->time_base = icodec->time_base;
2156 3797c74b Michael Niedermayer
                codec->time_base.num *= icodec->ticks_per_frame;
2157 8abcbf2d Baptiste Coudurier
                av_reduce(&codec->time_base.num, &codec->time_base.den,
2158
                          codec->time_base.num, codec->time_base.den, INT_MAX);
2159 3797c74b Michael Niedermayer
            }else
2160 d29de719 Michael Niedermayer
                codec->time_base = ist->st->time_base;
2161 1629626f Fabrice Bellard
            switch(codec->codec_type) {
2162 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:
2163 d08e3e91 Ramiro Polla
                if(audio_volume != 256) {
2164
                    fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2165 639e4ec8 Stefano Sabatini
                    ffmpeg_exit(1);
2166 d08e3e91 Ramiro Polla
                }
2167 13367a46 Benjamin Larsson
                codec->channel_layout = icodec->channel_layout;
2168 1629626f Fabrice Bellard
                codec->sample_rate = icodec->sample_rate;
2169
                codec->channels = icodec->channels;
2170 0a3b0447 Michael Niedermayer
                codec->frame_size = icodec->frame_size;
2171 c1344911 Michael Niedermayer
                codec->block_align= icodec->block_align;
2172 4efd6f58 Michael Niedermayer
                if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2173
                    codec->block_align= 0;
2174 bcbd328e Michael Niedermayer
                if(codec->codec_id == CODEC_ID_AC3)
2175
                    codec->block_align= 0;
2176 1629626f Fabrice Bellard
                break;
2177 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
2178 9df3437f Baptiste Coudurier
                codec->pix_fmt = icodec->pix_fmt;
2179 1629626f Fabrice Bellard
                codec->width = icodec->width;
2180
                codec->height = icodec->height;
2181 ff8cc24b Michael Niedermayer
                codec->has_b_frames = icodec->has_b_frames;
2182 1629626f Fabrice Bellard
                break;
2183 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_SUBTITLE:
2184 d43b26ea David Conrad
                codec->width = icodec->width;
2185
                codec->height = icodec->height;
2186 cf7fc795 Fabrice Bellard
                break;
2187 1629626f Fabrice Bellard
            default:
2188 0f4e8165 Ronald S. Bultje
                abort();
2189 1629626f Fabrice Bellard
            }
2190
        } else {
2191
            switch(codec->codec_type) {
2192 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:
2193 41dd680d Michael Niedermayer
                ost->fifo= av_fifo_alloc(1024);
2194
                if(!ost->fifo)
2195 85f07f22 Fabrice Bellard
                    goto fail;
2196 5d6e4c16 Stefano Sabatini
                ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2197 2886f311 Andreas Öman
                ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2198
                icodec->request_channels = codec->channels;
2199 85f07f22 Fabrice Bellard
                ist->decoding_needed = 1;
2200
                ost->encoding_needed = 1;
2201 8afab686 Stefano Sabatini
                ost->resample_sample_fmt  = icodec->sample_fmt;
2202
                ost->resample_sample_rate = icodec->sample_rate;
2203
                ost->resample_channels    = icodec->channels;
2204 1629626f Fabrice Bellard
                break;
2205 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
2206 761c8c92 Baptiste Coudurier
                if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2207 562f22a6 Ronald S. Bultje
                    fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2208 639e4ec8 Stefano Sabatini
                    ffmpeg_exit(1);
2209 761c8c92 Baptiste Coudurier
                }
2210 5879ea6d Stefano Sabatini
                ost->video_resample = (codec->width != icodec->width   ||
2211
                                       codec->height != icodec->height ||
2212 18a54b04 Luca Abeni
                        (codec->pix_fmt != icodec->pix_fmt));
2213 c3f11d19 Luca Abeni
                if (ost->video_resample) {
2214 8a774d3d Baptiste Coudurier
#if !CONFIG_AVFILTER
2215 2de28abb Michael Niedermayer
                    avcodec_get_frame_defaults(&ost->pict_tmp);
2216 9d58e0a9 Baptiste Coudurier
                    if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2217
                                         codec->width, codec->height)) {
2218 eddc482d Baptiste Coudurier
                        fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2219 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2220 eddc482d Baptiste Coudurier
                    }
2221 9de8e6ac Ronald S. Bultje
                    sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2222 18a54b04 Luca Abeni
                    ost->img_resample_ctx = sws_getContext(
2223 5879ea6d Stefano Sabatini
                        icodec->width,
2224
                        icodec->height,
2225 18a54b04 Luca Abeni
                            icodec->pix_fmt,
2226 0c22311b Michael Niedermayer
                            codec->width,
2227
                            codec->height,
2228 18a54b04 Luca Abeni
                            codec->pix_fmt,
2229
                            sws_flags, NULL, NULL, NULL);
2230 0b50ac8a Luca Abeni
                    if (ost->img_resample_ctx == NULL) {
2231
                        fprintf(stderr, "Cannot get resampling context\n");
2232 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2233 0b50ac8a Luca Abeni
                    }
2234 352666c1 Eric Buehl
2235
                    ost->original_height = icodec->height;
2236
                    ost->original_width  = icodec->width;
2237 46847a33 Michael Niedermayer
#endif
2238 a39b76ea Michael Niedermayer
                    codec->bits_per_raw_sample= 0;
2239 85f07f22 Fabrice Bellard
                }
2240 5879ea6d Stefano Sabatini
                ost->resample_height = icodec->height;
2241
                ost->resample_width  = icodec->width;
2242 b83ccbff Michael Niedermayer
                ost->resample_pix_fmt= icodec->pix_fmt;
2243 85f07f22 Fabrice Bellard
                ost->encoding_needed = 1;
2244
                ist->decoding_needed = 1;
2245 46847a33 Michael Niedermayer
2246
#if CONFIG_AVFILTER
2247
                if (configure_filters(ist, ost)) {
2248
                    fprintf(stderr, "Error opening filters!\n");
2249
                    exit(1);
2250
                }
2251
#endif
2252 1629626f Fabrice Bellard
                break;
2253 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_SUBTITLE:
2254 cf7fc795 Fabrice Bellard
                ost->encoding_needed = 1;
2255
                ist->decoding_needed = 1;
2256
                break;
2257 1629626f Fabrice Bellard
            default:
2258 0f4e8165 Ronald S. Bultje
                abort();
2259 cf7fc795 Fabrice Bellard
                break;
2260 85f07f22 Fabrice Bellard
            }
2261 1629626f Fabrice Bellard
            /* two pass mode */
2262 115329f1 Diego Biurrun
            if (ost->encoding_needed &&
2263 1629626f Fabrice Bellard
                (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2264
                char logfilename[1024];
2265
                FILE *f;
2266 115329f1 Diego Biurrun
2267
                snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2268 22730e87 Stefano Sabatini
                         pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2269
                         i);
2270 1629626f Fabrice Bellard
                if (codec->flags & CODEC_FLAG_PASS1) {
2271 c56e9e05 Ramiro Polla
                    f = fopen(logfilename, "wb");
2272 1629626f Fabrice Bellard
                    if (!f) {
2273 42d1d06e Stefano Sabatini
                        fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2274 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2275 1629626f Fabrice Bellard
                    }
2276
                    ost->logfile = f;
2277
                } else {
2278 458b062d Stefano Sabatini
                    char  *logbuffer;
2279
                    size_t logbuffer_size;
2280
                    if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2281
                        fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2282 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2283 1629626f Fabrice Bellard
                    }
2284
                    codec->stats_in = logbuffer;
2285 5abdb4b1 Fabrice Bellard
                }
2286
            }
2287
        }
2288 72415b2a Stefano Sabatini
        if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2289 8a6cb114 Michael Niedermayer
            int size= codec->width * codec->height;
2290 c027e91a Peter Ross
            bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2291 8a6cb114 Michael Niedermayer
        }
2292 85f07f22 Fabrice Bellard
    }
2293
2294 8a6cb114 Michael Niedermayer
    if (!bit_buffer)
2295
        bit_buffer = av_malloc(bit_buffer_size);
2296 002c95d7 Baptiste Coudurier
    if (!bit_buffer) {
2297 50f3fabc Måns Rullgård
        fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2298
                bit_buffer_size);
2299 002c95d7 Baptiste Coudurier
        ret = AVERROR(ENOMEM);
2300 8a6cb114 Michael Niedermayer
        goto fail;
2301 1629626f Fabrice Bellard
    }
2302
2303 85f07f22 Fabrice Bellard
    /* open each encoder */
2304
    for(i=0;i<nb_ostreams;i++) {
2305
        ost = ost_table[i];
2306
        if (ost->encoding_needed) {
2307 0a6d97b3 Aurelien Jacobs
            AVCodec *codec = i < nb_output_codecs ? output_codecs[i] : NULL;
2308 cb2c971d Aurelien Jacobs
            AVCodecContext *dec = ist_table[ost->source_index]->st->codec;
2309 6488cf9b Aurelien Jacobs
            if (!codec)
2310 fd2b356a Aurelien Jacobs
                codec = avcodec_find_encoder(ost->st->codec->codec_id);
2311 85f07f22 Fabrice Bellard
            if (!codec) {
2312 f356fc57 Baptiste Coudurier
                snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2313
                         ost->st->codec->codec_id, ost->file_index, ost->index);
2314 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2315
                goto dump_format;
2316 85f07f22 Fabrice Bellard
            }
2317 cb2c971d Aurelien Jacobs
            if (dec->subtitle_header) {
2318
                ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2319
                if (!ost->st->codec->subtitle_header) {
2320
                    ret = AVERROR(ENOMEM);
2321
                    goto dump_format;
2322
                }
2323
                memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2324
                ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2325
            }
2326 01f4895c Michael Niedermayer
            if (avcodec_open(ost->st->codec, codec) < 0) {
2327 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",
2328 85f07f22 Fabrice Bellard
                        ost->file_index, ost->index);
2329 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2330
                goto dump_format;
2331 85f07f22 Fabrice Bellard
            }
2332 01f4895c Michael Niedermayer
            extra_size += ost->st->codec->extradata_size;
2333 85f07f22 Fabrice Bellard
        }
2334
    }
2335
2336
    /* open each decoder */
2337
    for(i=0;i<nb_istreams;i++) {
2338
        ist = ist_table[i];
2339
        if (ist->decoding_needed) {
2340 311e223f Aurelien Jacobs
            AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL;
2341 6488cf9b Aurelien Jacobs
            if (!codec)
2342 fd2b356a Aurelien Jacobs
                codec = avcodec_find_decoder(ist->st->codec->codec_id);
2343 85f07f22 Fabrice Bellard
            if (!codec) {
2344 f356fc57 Baptiste Coudurier
                snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2345 01f4895c Michael Niedermayer
                        ist->st->codec->codec_id, ist->file_index, ist->index);
2346 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2347
                goto dump_format;
2348 85f07f22 Fabrice Bellard
            }
2349 01f4895c Michael Niedermayer
            if (avcodec_open(ist->st->codec, codec) < 0) {
2350 f356fc57 Baptiste Coudurier
                snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2351 85f07f22 Fabrice Bellard
                        ist->file_index, ist->index);
2352 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2353
                goto dump_format;
2354 85f07f22 Fabrice Bellard
            }
2355 72415b2a Stefano Sabatini
            //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2356 01f4895c Michael Niedermayer
            //    ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2357 85f07f22 Fabrice Bellard
        }
2358
    }
2359
2360
    /* init pts */
2361
    for(i=0;i<nb_istreams;i++) {
2362 b8c93c48 Michael Niedermayer
        AVStream *st;
2363 85f07f22 Fabrice Bellard
        ist = ist_table[i];
2364 b8c93c48 Michael Niedermayer
        st= ist->st;
2365
        ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2366 48291040 Michael Niedermayer
        ist->next_pts = AV_NOPTS_VALUE;
2367 0ff4f0c0 Alexander Strange
        init_pts_correction(&ist->pts_ctx);
2368 ff4905a5 Michael Niedermayer
        ist->is_start = 1;
2369 85f07f22 Fabrice Bellard
    }
2370 c5e1e982 Justin Johnson
2371 0a38bafd Patrice Bensoussan
    /* set meta data information from input file if required */
2372
    for (i=0;i<nb_meta_data_maps;i++) {
2373 1829e195 Anton Khirnov
        AVFormatContext *files[2];
2374
        AVMetadata      **meta[2];
2375
        int j;
2376 0a38bafd Patrice Bensoussan
2377 1829e195 Anton Khirnov
#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2378
        if ((index) < 0 || (index) >= (nb_elems)) {\
2379
            snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\
2380
                     (desc), (index));\
2381
            ret = AVERROR(EINVAL);\
2382
            goto dump_format;\
2383 115329f1 Diego Biurrun
        }
2384
2385 1829e195 Anton Khirnov
        int out_file_index = meta_data_maps[i][0].file;
2386
        int in_file_index = meta_data_maps[i][1].file;
2387 7b393736 Anton Khirnov
        if (in_file_index < 0 || out_file_index < 0)
2388
            continue;
2389 1829e195 Anton Khirnov
        METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
2390
        METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
2391 0a38bafd Patrice Bensoussan
2392 1829e195 Anton Khirnov
        files[0] = output_files[out_file_index];
2393
        files[1] = input_files[in_file_index];
2394
2395
        for (j = 0; j < 2; j++) {
2396
            AVMetaDataMap *map = &meta_data_maps[i][j];
2397
2398
            switch (map->type) {
2399
            case 'g':
2400
                meta[j] = &files[j]->metadata;
2401
                break;
2402
            case 's':
2403
                METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
2404
                meta[j] = &files[j]->streams[map->index]->metadata;
2405
                break;
2406
            case 'c':
2407
                METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
2408
                meta[j] = &files[j]->chapters[map->index]->metadata;
2409
                break;
2410
            case 'p':
2411
                METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
2412
                meta[j] = &files[j]->programs[map->index]->metadata;
2413
                break;
2414
            }
2415
        }
2416 a5926d85 Aurelien Jacobs
2417 7f88a5bf Ronald S. Bultje
        av_metadata_copy(meta[0], *meta[1], AV_METADATA_DONT_OVERWRITE);
2418 0a38bafd Patrice Bensoussan
    }
2419 115329f1 Diego Biurrun
2420 477b1aea Anton Khirnov
    /* copy global metadata by default */
2421
    if (metadata_global_autocopy) {
2422
2423 8e8a3cc2 Ronald S. Bultje
        for (i = 0; i < nb_output_files; i++)
2424 7f88a5bf Ronald S. Bultje
            av_metadata_copy(&output_files[i]->metadata, input_files[0]->metadata,
2425
                             AV_METADATA_DONT_OVERWRITE);
2426 477b1aea Anton Khirnov
    }
2427
2428 91e96eba Anton Khirnov
    /* copy chapters according to chapter maps */
2429
    for (i = 0; i < nb_chapter_maps; i++) {
2430
        int infile  = chapter_maps[i].in_file;
2431
        int outfile = chapter_maps[i].out_file;
2432
2433
        if (infile < 0 || outfile < 0)
2434
            continue;
2435
        if (infile >= nb_input_files) {
2436
            snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile);
2437
            ret = AVERROR(EINVAL);
2438
            goto dump_format;
2439
        }
2440
        if (outfile >= nb_output_files) {
2441
            snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile);
2442
            ret = AVERROR(EINVAL);
2443
            goto dump_format;
2444
        }
2445
        copy_chapters(infile, outfile);
2446
    }
2447
2448 7a39f142 Anton Khirnov
    /* copy chapters from the first input file that has them*/
2449 91e96eba Anton Khirnov
    if (!nb_chapter_maps)
2450 a9c2bf9d Anton Khirnov
        for (i = 0; i < nb_input_files; i++) {
2451
            if (!input_files[i]->nb_chapters)
2452
                continue;
2453 7a39f142 Anton Khirnov
2454 a9c2bf9d Anton Khirnov
            for (j = 0; j < nb_output_files; j++)
2455
                if ((ret = copy_chapters(i, j)) < 0)
2456
                    goto dump_format;
2457 09f47fa4 Anton Khirnov
            break;
2458 a9c2bf9d Anton Khirnov
        }
2459 7a39f142 Anton Khirnov
2460 85f07f22 Fabrice Bellard
    /* open files and write file headers */
2461
    for(i=0;i<nb_output_files;i++) {
2462
        os = output_files[i];
2463 79fdaa4c Fabrice Bellard
        if (av_write_header(os) < 0) {
2464 002c95d7 Baptiste Coudurier
            snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2465 8fa36ae0 François Revol
            ret = AVERROR(EINVAL);
2466 002c95d7 Baptiste Coudurier
            goto dump_format;
2467 a38469e1 Fabrice Bellard
        }
2468 6d1ba1ac Luca Abeni
        if (strcmp(output_files[i]->oformat->name, "rtp")) {
2469
            want_sdp = 0;
2470
        }
2471
    }
2472 002c95d7 Baptiste Coudurier
2473
 dump_format:
2474
    /* dump the file output parameters - cannot be done before in case
2475
       of stream copy */
2476
    for(i=0;i<nb_output_files;i++) {
2477
        dump_format(output_files[i], i, output_files[i]->filename, 1);
2478
    }
2479
2480
    /* dump the stream mapping */
2481
    if (verbose >= 0) {
2482
        fprintf(stderr, "Stream mapping:\n");
2483
        for(i=0;i<nb_ostreams;i++) {
2484
            ost = ost_table[i];
2485
            fprintf(stderr, "  Stream #%d.%d -> #%d.%d",
2486
                    ist_table[ost->source_index]->file_index,
2487
                    ist_table[ost->source_index]->index,
2488
                    ost->file_index,
2489
                    ost->index);
2490
            if (ost->sync_ist != ist_table[ost->source_index])
2491
                fprintf(stderr, " [sync #%d.%d]",
2492
                        ost->sync_ist->file_index,
2493
                        ost->sync_ist->index);
2494
            fprintf(stderr, "\n");
2495
        }
2496
    }
2497
2498
    if (ret) {
2499
        fprintf(stderr, "%s\n", error);
2500
        goto fail;
2501
    }
2502
2503 6d1ba1ac Luca Abeni
    if (want_sdp) {
2504
        print_sdp(output_files, nb_output_files);
2505 85f07f22 Fabrice Bellard
    }
2506
2507 9d58e0a9 Baptiste Coudurier
    if (!using_stdin && verbose >= 0) {
2508 d9a916e2 Charles Yates
        fprintf(stderr, "Press [q] to stop encoding\n");
2509 b51469a0 Leon van Stuivenberg
        url_set_interrupt_cb(decode_interrupt_cb);
2510
    }
2511 a38469e1 Fabrice Bellard
    term_init();
2512
2513 7fc98937 Limin Wang
    timer_start = av_gettime();
2514 51bd4565 Philip Gladstone
2515 d9a916e2 Charles Yates
    for(; received_sigterm == 0;) {
2516 85f07f22 Fabrice Bellard
        int file_index, ist_index;
2517
        AVPacket pkt;
2518 a9aeda81 Patrice Bensoussan
        double ipts_min;
2519
        double opts_min;
2520 23ffe323 Michael Niedermayer
2521 85f07f22 Fabrice Bellard
    redo:
2522 a9aeda81 Patrice Bensoussan
        ipts_min= 1e100;
2523
        opts_min= 1e100;
2524 a38469e1 Fabrice Bellard
        /* if 'q' pressed, exits */
2525 d9a916e2 Charles Yates
        if (!using_stdin) {
2526 b51469a0 Leon van Stuivenberg
            if (q_pressed)
2527
                break;
2528 cb09b2ed Philip Gladstone
            /* read_key() returns 0 on EOF */
2529
            key = read_key();
2530
            if (key == 'q')
2531
                break;
2532
        }
2533 a38469e1 Fabrice Bellard
2534