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1 85f07f22 Fabrice Bellard
/*
2 89b503b5 Diego Biurrun
 * ffmpeg main
3 01310af2 Fabrice Bellard
 * Copyright (c) 2000-2003 Fabrice Bellard
4 85f07f22 Fabrice Bellard
 *
5 2912e87a Mans Rullgard
 * This file is part of Libav.
6 b78e7197 Diego Biurrun
 *
7 2912e87a Mans Rullgard
 * Libav is free software; you can redistribute it and/or
8 bf5af568 Fabrice Bellard
 * modify it under the terms of the GNU Lesser General Public
9
 * License as published by the Free Software Foundation; either
10 b78e7197 Diego Biurrun
 * version 2.1 of the License, or (at your option) any later version.
11 85f07f22 Fabrice Bellard
 *
12 2912e87a Mans Rullgard
 * Libav is distributed in the hope that it will be useful,
13 85f07f22 Fabrice Bellard
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 bf5af568 Fabrice Bellard
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15
 * Lesser General Public License for more details.
16 85f07f22 Fabrice Bellard
 *
17 bf5af568 Fabrice Bellard
 * You should have received a copy of the GNU Lesser General Public
18 2912e87a Mans Rullgard
 * License along with Libav; if not, write to the Free Software
19 5509bffa Diego Biurrun
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 85f07f22 Fabrice Bellard
 */
21 364a9607 Diego Biurrun
22 0f4e8165 Ronald S. Bultje
#include "config.h"
23
#include <ctype.h>
24
#include <string.h>
25
#include <math.h>
26
#include <stdlib.h>
27
#include <errno.h>
28 d86b83f8 Ramiro Polla
#include <signal.h>
29 22f7a060 Michael Niedermayer
#include <limits.h>
30 7246177d Aurelien Jacobs
#include <unistd.h>
31 245976da Diego Biurrun
#include "libavformat/avformat.h"
32
#include "libavdevice/avdevice.h"
33
#include "libswscale/swscale.h"
34 41d0eb1c Anton Khirnov
#include "libavutil/opt.h"
35 ce1ee094 Peter Ross
#include "libavcodec/audioconvert.h"
36 737eb597 Reinhard Tartler
#include "libavutil/audioconvert.h"
37
#include "libavutil/parseutils.h"
38
#include "libavutil/samplefmt.h"
39 2b4abbd6 Stefano Sabatini
#include "libavutil/colorspace.h"
40 245976da Diego Biurrun
#include "libavutil/fifo.h"
41 2839dc97 Stefano Sabatini
#include "libavutil/intreadwrite.h"
42 718c7b18 Stefano Sabatini
#include "libavutil/pixdesc.h"
43 245976da Diego Biurrun
#include "libavutil/avstring.h"
44 335ee1aa Måns Rullgård
#include "libavutil/libm.h"
45 245976da Diego Biurrun
#include "libavformat/os_support.h"
46 daf8e955 Fabrice Bellard
47 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
48
# include "libavfilter/avfilter.h"
49
# include "libavfilter/avfiltergraph.h"
50
# include "libavfilter/vsrc_buffer.h"
51
#endif
52
53 b250f9c6 Aurelien Jacobs
#if HAVE_SYS_RESOURCE_H
54 0a1b29de Dave Yeo
#include <sys/types.h>
55 fc5607f8 Reimar Döffinger
#include <sys/time.h>
56 b091aa44 Ramiro Polla
#include <sys/resource.h>
57 b250f9c6 Aurelien Jacobs
#elif HAVE_GETPROCESSTIMES
58 7495c306 Ramiro Polla
#include <windows.h>
59
#endif
60 fc5607f8 Reimar Döffinger
#if HAVE_GETPROCESSMEMORYINFO
61
#include <windows.h>
62
#include <psapi.h>
63
#endif
64 7495c306 Ramiro Polla
65 b250f9c6 Aurelien Jacobs
#if HAVE_SYS_SELECT_H
66 fb1d2d7b Baptiste Coudurier
#include <sys/select.h>
67
#endif
68
69 bf5af568 Fabrice Bellard
#include <time.h>
70 85f07f22 Fabrice Bellard
71 01310af2 Fabrice Bellard
#include "cmdutils.h"
72
73 b64b4134 Måns Rullgård
#include "libavutil/avassert.h"
74 2b18dcd0 Michael Niedermayer
75 89b503b5 Diego Biurrun
const char program_name[] = "ffmpeg";
76 ea9c581f Stefano Sabatini
const int program_birth_year = 2000;
77 86074ed1 Stefano Sabatini
78 85f07f22 Fabrice Bellard
/* select an input stream for an output stream */
79
typedef struct AVStreamMap {
80
    int file_index;
81
    int stream_index;
82 b4a3389e Wolfram Gloger
    int sync_file_index;
83
    int sync_stream_index;
84 85f07f22 Fabrice Bellard
} AVStreamMap;
85
86 3f07e8db Michael Niedermayer
/**
87
 * select an input file for an output file
88
 */
89 0a38bafd Patrice Bensoussan
typedef struct AVMetaDataMap {
90 1829e195 Anton Khirnov
    int  file;      //< file index
91
    char type;      //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
92
    int  index;     //< stream/chapter/program number
93 0a38bafd Patrice Bensoussan
} AVMetaDataMap;
94
95 91e96eba Anton Khirnov
typedef struct AVChapterMap {
96
    int in_file;
97
    int out_file;
98
} AVChapterMap;
99
100 580a6c57 Diego Pettenò
static const OptionDef options[];
101 85f07f22 Fabrice Bellard
102 60402344 Jai Menon
#define MAX_FILES 100
103 84fd51e5 Aurelien Jacobs
#define MAX_STREAMS 1024    /* arbitrary sanity check value */
104 85f07f22 Fabrice Bellard
105 3ee53dab Anton Khirnov
#define FFM_PACKET_SIZE 4096 //XXX a duplicate of the line in ffm.h
106
107 ef6fc647 Stefano Sabatini
static const char *last_asked_format = NULL;
108 85f07f22 Fabrice Bellard
static AVFormatContext *input_files[MAX_FILES];
109 a6a92a9a Wolfram Gloger
static int64_t input_files_ts_offset[MAX_FILES];
110 2c6958aa Aurelien Jacobs
static double *input_files_ts_scale[MAX_FILES] = {NULL};
111 311e223f Aurelien Jacobs
static AVCodec **input_codecs = NULL;
112 85f07f22 Fabrice Bellard
static int nb_input_files = 0;
113 311e223f Aurelien Jacobs
static int nb_input_codecs = 0;
114 2c6958aa Aurelien Jacobs
static int nb_input_files_ts_scale[MAX_FILES] = {0};
115 85f07f22 Fabrice Bellard
116
static AVFormatContext *output_files[MAX_FILES];
117 0a6d97b3 Aurelien Jacobs
static AVCodec **output_codecs = NULL;
118 85f07f22 Fabrice Bellard
static int nb_output_files = 0;
119 0a6d97b3 Aurelien Jacobs
static int nb_output_codecs = 0;
120 85f07f22 Fabrice Bellard
121 3a8e8824 Aurelien Jacobs
static AVStreamMap *stream_maps = NULL;
122 85f07f22 Fabrice Bellard
static int nb_stream_maps;
123
124 1829e195 Anton Khirnov
/* first item specifies output metadata, second is input */
125
static AVMetaDataMap (*meta_data_maps)[2] = NULL;
126 0a38bafd Patrice Bensoussan
static int nb_meta_data_maps;
127 477b1aea Anton Khirnov
static int metadata_global_autocopy   = 1;
128 d0abe80a Anton Khirnov
static int metadata_streams_autocopy  = 1;
129
static int metadata_chapters_autocopy = 1;
130 0a38bafd Patrice Bensoussan
131 91e96eba Anton Khirnov
static AVChapterMap *chapter_maps = NULL;
132
static int nb_chapter_maps;
133
134 006e8108 Mike Scheutzow
/* indexed by output file stream index */
135 e640f261 Aurelien Jacobs
static int *streamid_map = NULL;
136
static int nb_streamid_map = 0;
137 006e8108 Mike Scheutzow
138 55cf1959 Michael Niedermayer
static int frame_width  = 0;
139
static int frame_height = 0;
140 880e8ba7 Roman Shaposhnik
static float frame_aspect_ratio = 0;
141 644a9262 Michael Niedermayer
static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
142 5d6e4c16 Stefano Sabatini
static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
143 cf7fc795 Fabrice Bellard
static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
144 89129c6b Diego Biurrun
static AVRational frame_rate;
145 158c7f05 Michael Niedermayer
static float video_qscale = 0;
146 84f608f4 Vidar Madsen
static uint16_t *intra_matrix = NULL;
147
static uint16_t *inter_matrix = NULL;
148 464a631c Morten Hustveit
static const char *video_rc_override_string=NULL;
149 85f07f22 Fabrice Bellard
static int video_disable = 0;
150 f3356e9c Michael Niedermayer
static int video_discard = 0;
151 4a897224 Nicolas George
static char *video_codec_name = NULL;
152 83a36b2e Stefano Sabatini
static unsigned int video_codec_tag = 0;
153 0fc2c0f6 Matthieu Crapet
static char *video_language = NULL;
154 85f07f22 Fabrice Bellard
static int same_quality = 0;
155 cfcf0ffd Fabrice Bellard
static int do_deinterlace = 0;
156 bb198e19 Michael Niedermayer
static int top_field_first = -1;
157 f4f3223f Michael Niedermayer
static int me_threshold = 0;
158 1a11cbcc Michael Niedermayer
static int intra_dc_precision = 8;
159 5894e1bb Víctor Paesa
static int loop_input = 0;
160 8108551a Todd Kirby
static int loop_output = AVFMT_NOOUTPUTLOOP;
161 0888fd22 Michael Niedermayer
static int qp_hist = 0;
162 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
163
static char *vfilters = NULL;
164 a6d1bd05 Diego Elio Pettenò
static AVFilterGraph *graph = NULL;
165 46847a33 Michael Niedermayer
#endif
166 85f07f22 Fabrice Bellard
167
static int intra_only = 0;
168
static int audio_sample_rate = 44100;
169 13367a46 Benjamin Larsson
static int64_t channel_layout = 0;
170 c57c770d Justin Ruggles
#define QSCALE_NONE -99999
171
static float audio_qscale = QSCALE_NONE;
172 85f07f22 Fabrice Bellard
static int audio_disable = 0;
173
static int audio_channels = 1;
174 4a897224 Nicolas George
static char  *audio_codec_name = NULL;
175 83a36b2e Stefano Sabatini
static unsigned int audio_codec_tag = 0;
176 cf7fc795 Fabrice Bellard
static char *audio_language = NULL;
177
178 11bf3847 Aurelien Jacobs
static int subtitle_disable = 0;
179 4a897224 Nicolas George
static char *subtitle_codec_name = NULL;
180 cf7fc795 Fabrice Bellard
static char *subtitle_language = NULL;
181 83a36b2e Stefano Sabatini
static unsigned int subtitle_codec_tag = 0;
182 85f07f22 Fabrice Bellard
183 e3b540b4 Luca Barbato
static int data_disable = 0;
184
static char *data_codec_name = NULL;
185
static unsigned int data_codec_tag = 0;
186
187 17c88cb0 Michael Niedermayer
static float mux_preload= 0.5;
188
static float mux_max_delay= 0.7;
189 2db3c638 Michael Niedermayer
190 fc7ad2af Stefano Sabatini
static int64_t recording_time = INT64_MAX;
191 8831db5c Michael Niedermayer
static int64_t start_time = 0;
192 25d34458 Stefano Sabatini
static int64_t recording_timestamp = 0;
193 a6a92a9a Wolfram Gloger
static int64_t input_ts_offset = 0;
194 85f07f22 Fabrice Bellard
static int file_overwrite = 0;
195 4bf65e2a Stefano Sabatini
static AVMetadata *metadata;
196 5727b222 Fabrice Bellard
static int do_benchmark = 0;
197 a0663ba4 Fabrice Bellard
static int do_hex_dump = 0;
198 254abc2e Fabrice Bellard
static int do_pkt_dump = 0;
199 43f1708f Juanjo
static int do_psnr = 0;
200 5abdb4b1 Fabrice Bellard
static int do_pass = 0;
201 ad16627f Stefano Sabatini
static char *pass_logfilename_prefix = NULL;
202 1629626f Fabrice Bellard
static int audio_stream_copy = 0;
203
static int video_stream_copy = 0;
204 cf7fc795 Fabrice Bellard
static int subtitle_stream_copy = 0;
205 e3b540b4 Luca Barbato
static int data_stream_copy = 0;
206 8858816d Michael Niedermayer
static int video_sync_method= -1;
207 986ebcdb Michael Niedermayer
static int audio_sync_method= 0;
208 d4d226a8 Michael Niedermayer
static float audio_drift_threshold= 0.1;
209 72bd8100 Michael Niedermayer
static int copy_ts= 0;
210 0f27e6b4 Baptiste Coudurier
static int copy_tb;
211 76bdac6d Stefano Sabatini
static int opt_shortest = 0;
212 90ad92b3 Michael Niedermayer
static int video_global_header = 0;
213 b60d1379 Stefano Sabatini
static char *vstats_filename;
214 032aa7df Stefano Sabatini
static FILE *vstats_file;
215 50e143c4 Nico Sabbi
static int opt_programid = 0;
216 50e3477f Wolfram Gloger
static int copy_initial_nonkeyframes = 0;
217 5abdb4b1 Fabrice Bellard
218 bdfcbbed Max Krasnyansky
static int rate_emu = 0;
219
220 a5df11ab Fabrice Bellard
static int  video_channel = 0;
221 df0cecdd Luca Abeni
static char *video_standard;
222 79a7c268 Fabrice Bellard
223 a9aa3467 Michael Niedermayer
static int audio_volume = 256;
224 8aa3ee32 Max Krasnyansky
225 f2abc559 Baptiste Coudurier
static int exit_on_error = 0;
226 d9a916e2 Charles Yates
static int using_stdin = 0;
227 f068206e Bill Eldridge
static int verbose = 1;
228 9c3d33d6 Michael Niedermayer
static int thread_count= 1;
229 1008ceb3 Michael Niedermayer
static int64_t video_size = 0;
230
static int64_t audio_size = 0;
231
static int64_t extra_size = 0;
232 a6a92a9a Wolfram Gloger
static int nb_frames_dup = 0;
233
static int nb_frames_drop = 0;
234 6e454c38 Luca Abeni
static int input_sync;
235 76bdac6d Stefano Sabatini
static uint64_t limit_filesize = 0;
236 d2845b75 Stefano Sabatini
static int force_fps = 0;
237 4ad08021 Nicolas George
static char *forced_key_frames = NULL;
238 d9a916e2 Charles Yates
239 a8482aab Michael Niedermayer
static float dts_delta_threshold = 10;
240 5b6d5596 Michael Niedermayer
241 29cc1c23 Benoit Fouet
static int64_t timer_start;
242 8bbf6db9 Michael Niedermayer
243 3321cb3f Baptiste Coudurier
static uint8_t *audio_buf;
244
static uint8_t *audio_out;
245 a6d1bd05 Diego Elio Pettenò
static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
246 3321cb3f Baptiste Coudurier
247
static short *samples;
248
249 748c2fca Michael Niedermayer
static AVBitStreamFilterContext *video_bitstream_filters=NULL;
250
static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
251 e1cc8339 Reimar Döffinger
static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
252 5b6d5596 Michael Niedermayer
253 ad16627f Stefano Sabatini
#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
254 85f07f22 Fabrice Bellard
255 b4a3389e Wolfram Gloger
struct AVInputStream;
256
257 85f07f22 Fabrice Bellard
typedef struct AVOutputStream {
258
    int file_index;          /* file index */
259
    int index;               /* stream index in the output file */
260
    int source_index;        /* AVInputStream index */
261
    AVStream *st;            /* stream in the output file */
262 ec5517d5 Fabrice Bellard
    int encoding_needed;     /* true if encoding needed for this stream */
263
    int frame_number;
264
    /* input pts and corresponding output pts
265
       for A/V sync */
266 b4a3389e Wolfram Gloger
    //double sync_ipts;        /* dts from the AVPacket of the demuxer in second units */
267
    struct AVInputStream *sync_ist; /* input stream to sync against */
268 e928649b Michael Niedermayer
    int64_t sync_opts;       /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
269 0b6d358a Nicolas George
    AVBitStreamFilterContext *bitstream_filters;
270 85f07f22 Fabrice Bellard
    /* video only */
271 07d0cdfc Luca Abeni
    int video_resample;
272 a4d36c11 Michael Niedermayer
    AVFrame pict_tmp;      /* temporary image for resampling */
273 18a54b04 Luca Abeni
    struct SwsContext *img_resample_ctx; /* for image resampling */
274
    int resample_height;
275 352666c1 Eric Buehl
    int resample_width;
276 01a3c821 Jason Garrett-Glaser
    int resample_pix_fmt;
277 34b10a57 Dieter
278 4ad08021 Nicolas George
    /* forced key frames */
279
    int64_t *forced_kf_pts;
280
    int forced_kf_count;
281
    int forced_kf_index;
282
283 85f07f22 Fabrice Bellard
    /* audio only */
284
    int audio_resample;
285
    ReSampleContext *resample; /* for audio resampling */
286 8afab686 Stefano Sabatini
    int resample_sample_fmt;
287
    int resample_channels;
288
    int resample_sample_rate;
289 a79db0f7 Peter Ross
    int reformat_pair;
290
    AVAudioConvert *reformat_ctx;
291 41dd680d Michael Niedermayer
    AVFifoBuffer *fifo;     /* for compression: one audio fifo per codec */
292 5abdb4b1 Fabrice Bellard
    FILE *logfile;
293 1435f2fa Anton Khirnov
294
   int sws_flags;
295 85f07f22 Fabrice Bellard
} AVOutputStream;
296
297 9fdf4b58 Nicolas George
static AVOutputStream **output_streams_for_file[MAX_FILES] = { NULL };
298
static int nb_output_streams_for_file[MAX_FILES] = { 0 };
299
300 85f07f22 Fabrice Bellard
typedef struct AVInputStream {
301
    int file_index;
302
    int index;
303
    AVStream *st;
304
    int discard;             /* true if stream data should be discarded */
305
    int decoding_needed;     /* true if the packets must be decoded in 'raw_fifo' */
306 0c1a9eda Zdenek Kabelac
    int64_t sample_index;      /* current sample */
307 bdfcbbed Max Krasnyansky
308
    int64_t       start;     /* time when read started */
309 254abc2e Fabrice Bellard
    int64_t       next_pts;  /* synthetic pts for cases where pkt.pts
310
                                is not defined */
311 e7d0374f Roman Shaposhnik
    int64_t       pts;       /* current pts */
312 0ff4f0c0 Alexander Strange
    PtsCorrectionContext pts_ctx;
313 ff4905a5 Michael Niedermayer
    int is_start;            /* is 1 at the start and after a discontinuity */
314 3ff0daf0 Michael Niedermayer
    int showed_multi_packet_warning;
315 55a7e946 Wolfram Gloger
    int is_past_recording_time;
316 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
317 dfd57757 Stefano Sabatini
    AVFilterContext *output_video_filter;
318 46847a33 Michael Niedermayer
    AVFilterContext *input_video_filter;
319
    AVFrame *filter_frame;
320
    int has_filter_frame;
321 ecc8dada S.N. Hemanth Meenakshisundaram
    AVFilterBufferRef *picref;
322 46847a33 Michael Niedermayer
#endif
323 85f07f22 Fabrice Bellard
} AVInputStream;
324
325
typedef struct AVInputFile {
326
    int eof_reached;      /* true if eof reached */
327
    int ist_index;        /* index of first stream in ist_table */
328
    int buffer_size;      /* current total buffer size */
329 79fdaa4c Fabrice Bellard
    int nb_streams;       /* nb streams we are aware of */
330 85f07f22 Fabrice Bellard
} AVInputFile;
331
332 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
333
334 0420bf09 Stefano Sabatini
static int configure_video_filters(AVInputStream *ist, AVOutputStream *ost)
335 46847a33 Michael Niedermayer
{
336 a9f3cb93 Baptiste Coudurier
    AVFilterContext *last_filter, *filter;
337 46847a33 Michael Niedermayer
    /** filter graph containing all filters including input & output */
338
    AVCodecContext *codec = ost->st->codec;
339
    AVCodecContext *icodec = ist->st->codec;
340 f7ead94c Stefano Sabatini
    FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
341 7a11c82f Michael Niedermayer
    AVRational sample_aspect_ratio;
342 46847a33 Michael Niedermayer
    char args[255];
343 4ddf0d29 Stefano Sabatini
    int ret;
344 46847a33 Michael Niedermayer
345 e15aeea6 Stefano Sabatini
    graph = avfilter_graph_alloc();
346 46847a33 Michael Niedermayer
347 7a11c82f Michael Niedermayer
    if (ist->st->sample_aspect_ratio.num){
348
        sample_aspect_ratio = ist->st->sample_aspect_ratio;
349
    }else
350
        sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
351
352
    snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
353
             ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
354
             sample_aspect_ratio.num, sample_aspect_ratio.den);
355
356 037be76e Stefano Sabatini
    ret = avfilter_graph_create_filter(&ist->input_video_filter, avfilter_get_by_name("buffer"),
357
                                       "src", args, NULL, graph);
358
    if (ret < 0)
359 4ddf0d29 Stefano Sabatini
        return ret;
360 037be76e Stefano Sabatini
    ret = avfilter_graph_create_filter(&ist->output_video_filter, &ffsink,
361
                                       "out", NULL, &ffsink_ctx, graph);
362
    if (ret < 0)
363 4ddf0d29 Stefano Sabatini
        return ret;
364 a9f3cb93 Baptiste Coudurier
    last_filter = ist->input_video_filter;
365 46847a33 Michael Niedermayer
366 5879ea6d Stefano Sabatini
    if (codec->width  != icodec->width || codec->height != icodec->height) {
367 6e82e7fa Baptiste Coudurier
        snprintf(args, 255, "%d:%d:flags=0x%X",
368 0c22311b Michael Niedermayer
                 codec->width,
369
                 codec->height,
370 1435f2fa Anton Khirnov
                 ost->sws_flags);
371 037be76e Stefano Sabatini
        if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
372
                                                NULL, args, NULL, graph)) < 0)
373 4ddf0d29 Stefano Sabatini
            return ret;
374
        if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
375
            return ret;
376 a9f3cb93 Baptiste Coudurier
        last_filter = filter;
377 46847a33 Michael Niedermayer
    }
378
379 1435f2fa Anton Khirnov
    snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
380 f96363df Baptiste Coudurier
    graph->scale_sws_opts = av_strdup(args);
381
382 79b90b25 Baptiste Coudurier
    if (vfilters) {
383 46847a33 Michael Niedermayer
        AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
384
        AVFilterInOut *inputs  = av_malloc(sizeof(AVFilterInOut));
385
386
        outputs->name    = av_strdup("in");
387 7313132b Stefano Sabatini
        outputs->filter_ctx = last_filter;
388 46847a33 Michael Niedermayer
        outputs->pad_idx = 0;
389
        outputs->next    = NULL;
390
391
        inputs->name    = av_strdup("out");
392 7313132b Stefano Sabatini
        inputs->filter_ctx = ist->output_video_filter;
393 46847a33 Michael Niedermayer
        inputs->pad_idx = 0;
394
        inputs->next    = NULL;
395
396 4ddf0d29 Stefano Sabatini
        if ((ret = avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL)) < 0)
397
            return ret;
398 46847a33 Michael Niedermayer
        av_freep(&vfilters);
399
    } else {
400 dfd57757 Stefano Sabatini
        if ((ret = avfilter_link(last_filter, 0, ist->output_video_filter, 0)) < 0)
401 4ddf0d29 Stefano Sabatini
            return ret;
402 46847a33 Michael Niedermayer
    }
403
404 2a24df93 Stefano Sabatini
    if ((ret = avfilter_graph_config(graph, NULL)) < 0)
405 4ddf0d29 Stefano Sabatini
        return ret;
406 46847a33 Michael Niedermayer
407 dfd57757 Stefano Sabatini
    codec->width  = ist->output_video_filter->inputs[0]->w;
408
    codec->height = ist->output_video_filter->inputs[0]->h;
409 7a11c82f Michael Niedermayer
    codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
410
        ist->output_video_filter->inputs[0]->sample_aspect_ratio;
411 46847a33 Michael Niedermayer
412
    return 0;
413
}
414
#endif /* CONFIG_AVFILTER */
415
416 85f07f22 Fabrice Bellard
static void term_exit(void)
417
{
418 6b6bca64 Michael Niedermayer
    av_log(NULL, AV_LOG_QUIET, "");
419 64f6e357 Måns Rullgård
}
420 85f07f22 Fabrice Bellard
421 e9a832e5 Martin Storsjö
static volatile int received_sigterm = 0;
422 9680a722 Roumen Petrov
423
static void
424
sigterm_handler(int sig)
425
{
426
    received_sigterm = sig;
427
    term_exit();
428
}
429
430 85f07f22 Fabrice Bellard
static void term_init(void)
431
{
432 9680a722 Roumen Petrov
    signal(SIGINT , sigterm_handler); /* Interrupt (ANSI).  */
433
    signal(SIGTERM, sigterm_handler); /* Termination (ANSI).  */
434 ffcc6e24 Måns Rullgård
#ifdef SIGXCPU
435
    signal(SIGXCPU, sigterm_handler);
436
#endif
437 85f07f22 Fabrice Bellard
}
438
439 b51469a0 Leon van Stuivenberg
static int decode_interrupt_cb(void)
440
{
441 8fb566fd Anton Khirnov
    return received_sigterm;
442 b51469a0 Leon van Stuivenberg
}
443
444 639e4ec8 Stefano Sabatini
static int ffmpeg_exit(int ret)
445 e5295c0d Ramiro Polla
{
446
    int i;
447
448
    /* close files */
449
    for(i=0;i<nb_output_files;i++) {
450
        AVFormatContext *s = output_files[i];
451 8767060c Ramiro Polla
        if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
452 22a3212e Anton Khirnov
            avio_close(s->pb);
453 b22dbb29 Martin Storsjö
        avformat_free_context(s);
454 9fdf4b58 Nicolas George
        av_free(output_streams_for_file[i]);
455 e5295c0d Ramiro Polla
    }
456 2c6958aa Aurelien Jacobs
    for(i=0;i<nb_input_files;i++) {
457 e5295c0d Ramiro Polla
        av_close_input_file(input_files[i]);
458 2c6958aa Aurelien Jacobs
        av_free(input_files_ts_scale[i]);
459
    }
460 e5295c0d Ramiro Polla
461
    av_free(intra_matrix);
462
    av_free(inter_matrix);
463
464
    if (vstats_file)
465
        fclose(vstats_file);
466
    av_free(vstats_filename);
467
468 e640f261 Aurelien Jacobs
    av_free(streamid_map);
469 311e223f Aurelien Jacobs
    av_free(input_codecs);
470 0a6d97b3 Aurelien Jacobs
    av_free(output_codecs);
471 3a8e8824 Aurelien Jacobs
    av_free(stream_maps);
472 63e856df Anton Khirnov
    av_free(meta_data_maps);
473 e5295c0d Ramiro Polla
474
    av_free(video_codec_name);
475
    av_free(audio_codec_name);
476
    av_free(subtitle_codec_name);
477 e3b540b4 Luca Barbato
    av_free(data_codec_name);
478 e5295c0d Ramiro Polla
479
    av_free(video_standard);
480
481 a5c33faa Reimar Döffinger
    uninit_opts();
482 3321cb3f Baptiste Coudurier
    av_free(audio_buf);
483
    av_free(audio_out);
484 b8919a30 Michael Niedermayer
    allocated_audio_buf_size= allocated_audio_out_size= 0;
485 3321cb3f Baptiste Coudurier
    av_free(samples);
486 5973490a Baptiste Coudurier
487 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
488
    avfilter_uninit();
489
#endif
490
491 e5295c0d Ramiro Polla
    if (received_sigterm) {
492
        fprintf(stderr,
493
            "Received signal %d: terminating.\n",
494
            (int) received_sigterm);
495
        exit (255);
496
    }
497
498 296df4e7 Ramiro Polla
    exit(ret); /* not all OS-es handle main() return value */
499
    return ret;
500 dba249ab Aurelien Jacobs
}
501
502
/* similar to ff_dynarray_add() and av_fast_realloc() */
503
static void *grow_array(void *array, int elem_size, int *size, int new_size)
504
{
505
    if (new_size >= INT_MAX / elem_size) {
506
        fprintf(stderr, "Array too big.\n");
507
        ffmpeg_exit(1);
508
    }
509
    if (*size < new_size) {
510
        uint8_t *tmp = av_realloc(array, new_size*elem_size);
511
        if (!tmp) {
512
            fprintf(stderr, "Could not alloc buffer.\n");
513
            ffmpeg_exit(1);
514
        }
515
        memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
516
        *size = new_size;
517
        return tmp;
518
    }
519
    return array;
520 e5295c0d Ramiro Polla
}
521
522 aa1de0d9 Ronald S. Bultje
static void choose_sample_fmt(AVStream *st, AVCodec *codec)
523
{
524
    if(codec && codec->sample_fmts){
525 5d6e4c16 Stefano Sabatini
        const enum AVSampleFormat *p= codec->sample_fmts;
526 aa1de0d9 Ronald S. Bultje
        for(; *p!=-1; p++){
527
            if(*p == st->codec->sample_fmt)
528
                break;
529
        }
530 fa34a362 Stefano Sabatini
        if (*p == -1) {
531
            av_log(NULL, AV_LOG_WARNING,
532
                   "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
533
                   av_get_sample_fmt_name(st->codec->sample_fmt),
534
                   codec->name,
535
                   av_get_sample_fmt_name(codec->sample_fmts[0]));
536 aa1de0d9 Ronald S. Bultje
            st->codec->sample_fmt = codec->sample_fmts[0];
537 fa34a362 Stefano Sabatini
        }
538 aa1de0d9 Ronald S. Bultje
    }
539
}
540
541 10d0f5e0 Michael Niedermayer
static void choose_sample_rate(AVStream *st, AVCodec *codec)
542
{
543
    if(codec && codec->supported_samplerates){
544
        const int *p= codec->supported_samplerates;
545 3c5e1b36 Baptiste Coudurier
        int best=0;
546 10d0f5e0 Michael Niedermayer
        int best_dist=INT_MAX;
547
        for(; *p; p++){
548
            int dist= abs(st->codec->sample_rate - *p);
549
            if(dist < best_dist){
550
                best_dist= dist;
551
                best= *p;
552
            }
553
        }
554 ff866063 Michael Niedermayer
        if(best_dist){
555
            av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
556
        }
557 10d0f5e0 Michael Niedermayer
        st->codec->sample_rate= best;
558
    }
559
}
560
561 aa1de0d9 Ronald S. Bultje
static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
562
{
563
    if(codec && codec->pix_fmts){
564
        const enum PixelFormat *p= codec->pix_fmts;
565 b26847b7 Michael Niedermayer
        if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
566
            if(st->codec->codec_id==CODEC_ID_MJPEG){
567
                p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
568
            }else if(st->codec->codec_id==CODEC_ID_LJPEG){
569
                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};
570
            }
571
        }
572 aa1de0d9 Ronald S. Bultje
        for(; *p!=-1; p++){
573
            if(*p == st->codec->pix_fmt)
574
                break;
575
        }
576 b568d6d9 Stefano Sabatini
        if (*p == -1) {
577
            if(st->codec->pix_fmt != PIX_FMT_NONE)
578
                av_log(NULL, AV_LOG_WARNING,
579
                        "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
580
                        av_pix_fmt_descriptors[st->codec->pix_fmt].name,
581
                        codec->name,
582
                        av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
583 aa1de0d9 Ronald S. Bultje
            st->codec->pix_fmt = codec->pix_fmts[0];
584 b568d6d9 Stefano Sabatini
        }
585 aa1de0d9 Ronald S. Bultje
    }
586
}
587
588 ec1ca41c Carl Eugen Hoyos
static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
589
{
590
    int idx = oc->nb_streams - 1;
591
    AVOutputStream *ost;
592
593
    output_streams_for_file[file_idx] =
594
        grow_array(output_streams_for_file[file_idx],
595
                   sizeof(*output_streams_for_file[file_idx]),
596
                   &nb_output_streams_for_file[file_idx],
597
                   oc->nb_streams);
598
    ost = output_streams_for_file[file_idx][idx] =
599
        av_mallocz(sizeof(AVOutputStream));
600
    if (!ost) {
601
        fprintf(stderr, "Could not alloc output stream\n");
602
        ffmpeg_exit(1);
603
    }
604
    ost->file_index = file_idx;
605
    ost->index = idx;
606 1435f2fa Anton Khirnov
607
    ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
608 ec1ca41c Carl Eugen Hoyos
    return ost;
609
}
610
611 b29f97d1 Zdenek Kabelac
static int read_ffserver_streams(AVFormatContext *s, const char *filename)
612 85f07f22 Fabrice Bellard
{
613 79fdaa4c Fabrice Bellard
    int i, err;
614 85f07f22 Fabrice Bellard
    AVFormatContext *ic;
615 3438d82d Baptiste Coudurier
    int nopts = 0;
616 85f07f22 Fabrice Bellard
617 79fdaa4c Fabrice Bellard
    err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
618
    if (err < 0)
619
        return err;
620 85f07f22 Fabrice Bellard
    /* copy stream format */
621 b67f3d65 Rocky Cardwell
    s->nb_streams = 0;
622 85f07f22 Fabrice Bellard
    for(i=0;i<ic->nb_streams;i++) {
623
        AVStream *st;
624 d9521cb1 Ronald S. Bultje
        AVCodec *codec;
625 1e491e29 Michael Niedermayer
626 b67f3d65 Rocky Cardwell
        s->nb_streams++;
627
628 f37f8d4c Alex Beregszaszi
        // FIXME: a more elegant solution is needed
629 e1031171 Alex Beregszaszi
        st = av_mallocz(sizeof(AVStream));
630 85f07f22 Fabrice Bellard
        memcpy(st, ic->streams[i], sizeof(AVStream));
631 f37f8d4c Alex Beregszaszi
        st->codec = avcodec_alloc_context();
632 7ef61879 Ramiro Polla
        if (!st->codec) {
633
            print_error(filename, AVERROR(ENOMEM));
634 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
635 7ef61879 Ramiro Polla
        }
636 d9521cb1 Ronald S. Bultje
        avcodec_copy_context(st->codec, ic->streams[i]->codec);
637 85f07f22 Fabrice Bellard
        s->streams[i] = st;
638 837d248d Baptiste Coudurier
639 d9521cb1 Ronald S. Bultje
        codec = avcodec_find_encoder(st->codec->codec_id);
640
        if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
641
            if (audio_stream_copy) {
642
                st->stream_copy = 1;
643
            } else
644
                choose_sample_fmt(st, codec);
645
        } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
646
            if (video_stream_copy) {
647
                st->stream_copy = 1;
648
            } else
649
                choose_pixel_fmt(st, codec);
650
        }
651 837d248d Baptiste Coudurier
652 3438d82d Baptiste Coudurier
        if(st->codec->flags & CODEC_FLAG_BITEXACT)
653
            nopts = 1;
654 b67f3d65 Rocky Cardwell
655
        new_output_stream(s, nb_output_files);
656 85f07f22 Fabrice Bellard
    }
657
658 3438d82d Baptiste Coudurier
    if (!nopts)
659
        s->timestamp = av_gettime();
660
661 85f07f22 Fabrice Bellard
    av_close_input_file(ic);
662
    return 0;
663
}
664
665 b4a3389e Wolfram Gloger
static double
666
get_sync_ipts(const AVOutputStream *ost)
667
{
668
    const AVInputStream *ist = ost->sync_ist;
669 fec401f7 Michael Niedermayer
    return (double)(ist->pts - start_time)/AV_TIME_BASE;
670 b4a3389e Wolfram Gloger
}
671
672 748c2fca Michael Niedermayer
static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
673 0ac07031 Michael Niedermayer
    int ret;
674
675 748c2fca Michael Niedermayer
    while(bsfc){
676
        AVPacket new_pkt= *pkt;
677
        int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
678
                                          &new_pkt.data, &new_pkt.size,
679
                                          pkt->data, pkt->size,
680 cc947f04 Jean-Daniel Dupas
                                          pkt->flags & AV_PKT_FLAG_KEY);
681 7055cdac Benoit Fouet
        if(a>0){
682 748c2fca Michael Niedermayer
            av_free_packet(pkt);
683
            new_pkt.destruct= av_destruct_packet;
684 7055cdac Benoit Fouet
        } else if(a<0){
685 1f8e32cd Diego Biurrun
            fprintf(stderr, "%s failed for stream %d, codec %s",
686
                    bsfc->filter->name, pkt->stream_index,
687
                    avctx->codec ? avctx->codec->name : "copy");
688 7055cdac Benoit Fouet
            print_error("", a);
689 f2abc559 Baptiste Coudurier
            if (exit_on_error)
690 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
691 748c2fca Michael Niedermayer
        }
692
        *pkt= new_pkt;
693
694
        bsfc= bsfc->next;
695
    }
696
697 0ac07031 Michael Niedermayer
    ret= av_interleaved_write_frame(s, pkt);
698
    if(ret < 0){
699
        print_error("av_interleaved_write_frame()", ret);
700 639e4ec8 Stefano Sabatini
        ffmpeg_exit(1);
701 0ac07031 Michael Niedermayer
    }
702 748c2fca Michael Niedermayer
}
703
704 817b23ff Fabrice Bellard
#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
705 85f07f22 Fabrice Bellard
706 115329f1 Diego Biurrun
static void do_audio_out(AVFormatContext *s,
707
                         AVOutputStream *ost,
708 85f07f22 Fabrice Bellard
                         AVInputStream *ist,
709
                         unsigned char *buf, int size)
710
{
711 0c1a9eda Zdenek Kabelac
    uint8_t *buftmp;
712 15bfe412 Michael Niedermayer
    int64_t audio_out_size, audio_buf_size;
713 7a086a85 Michael Niedermayer
    int64_t allocated_for_size= size;
714 d66c7abc Sylvain Corré
715 8afab686 Stefano Sabatini
    int size_out, frame_bytes, ret, resample_changed;
716 01f4895c Michael Niedermayer
    AVCodecContext *enc= ost->st->codec;
717 2886f311 Andreas Öman
    AVCodecContext *dec= ist->st->codec;
718 ba7d6e79 Stefano Sabatini
    int osize= av_get_bits_per_sample_fmt(enc->sample_fmt)/8;
719
    int isize= av_get_bits_per_sample_fmt(dec->sample_fmt)/8;
720 15bfe412 Michael Niedermayer
    const int coded_bps = av_get_bits_per_sample(enc->codec->id);
721
722 7a086a85 Michael Niedermayer
need_realloc:
723
    audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
724 15bfe412 Michael Niedermayer
    audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
725 8b484d0f Vitor Sessak
    audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
726 79c85beb Justin Ruggles
    audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
727 15bfe412 Michael Niedermayer
    audio_buf_size*= osize*enc->channels;
728
729
    audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
730
    if(coded_bps > 8*osize)
731
        audio_out_size= audio_out_size * coded_bps / (8*osize);
732
    audio_out_size += FF_MIN_BUFFER_SIZE;
733
734
    if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
735
        fprintf(stderr, "Buffer sizes too large\n");
736 639e4ec8 Stefano Sabatini
        ffmpeg_exit(1);
737 15bfe412 Michael Niedermayer
    }
738 85f07f22 Fabrice Bellard
739 b8919a30 Michael Niedermayer
    av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
740
    av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
741 e185a2f6 Michael Niedermayer
    if (!audio_buf || !audio_out){
742
        fprintf(stderr, "Out of memory in do_audio_out\n");
743 639e4ec8 Stefano Sabatini
        ffmpeg_exit(1);
744 e185a2f6 Michael Niedermayer
    }
745 d66c7abc Sylvain Corré
746 2886f311 Andreas Öman
    if (enc->channels != dec->channels)
747
        ost->audio_resample = 1;
748
749 8afab686 Stefano Sabatini
    resample_changed = ost->resample_sample_fmt  != dec->sample_fmt ||
750
                       ost->resample_channels    != dec->channels   ||
751
                       ost->resample_sample_rate != dec->sample_rate;
752
753
    if ((ost->audio_resample && !ost->resample) || resample_changed) {
754
        if (resample_changed) {
755
            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",
756
                   ist->file_index, ist->index,
757
                   ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
758
                   dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
759
            ost->resample_sample_fmt  = dec->sample_fmt;
760
            ost->resample_channels    = dec->channels;
761
            ost->resample_sample_rate = dec->sample_rate;
762
            if (ost->resample)
763
                audio_resample_close(ost->resample);
764
        }
765 07b48f8c Stefano Sabatini
        /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
766
        if (audio_sync_method <= 1 &&
767
            ost->resample_sample_fmt  == enc->sample_fmt &&
768 8afab686 Stefano Sabatini
            ost->resample_channels    == enc->channels   &&
769
            ost->resample_sample_rate == enc->sample_rate) {
770
            ost->resample = NULL;
771
            ost->audio_resample = 0;
772
        } else {
773 f6715848 Stefano Sabatini
            if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
774
                fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
775
            ost->resample = av_audio_resample_init(enc->channels,    dec->channels,
776
                                                   enc->sample_rate, dec->sample_rate,
777
                                                   enc->sample_fmt,  dec->sample_fmt,
778
                                                   16, 10, 0, 0.8);
779
            if (!ost->resample) {
780
                fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
781
                        dec->channels, dec->sample_rate,
782
                        enc->channels, enc->sample_rate);
783
                ffmpeg_exit(1);
784
            }
785 8afab686 Stefano Sabatini
        }
786 2886f311 Andreas Öman
    }
787
788 5d6e4c16 Stefano Sabatini
#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
789 d1e3c6fd Baptiste Coudurier
    if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
790 a79db0f7 Peter Ross
        MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
791
        if (ost->reformat_ctx)
792
            av_audio_convert_free(ost->reformat_ctx);
793
        ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
794
                                                   dec->sample_fmt, 1, NULL, 0);
795
        if (!ost->reformat_ctx) {
796
            fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
797 ba7d6e79 Stefano Sabatini
                av_get_sample_fmt_name(dec->sample_fmt),
798
                av_get_sample_fmt_name(enc->sample_fmt));
799 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
800 a79db0f7 Peter Ross
        }
801
        ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
802
    }
803
804 986ebcdb Michael Niedermayer
    if(audio_sync_method){
805 115329f1 Diego Biurrun
        double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
806 37f5a713 Justin Ruggles
                - av_fifo_size(ost->fifo)/(enc->channels * 2);
807
        double idelta= delta*dec->sample_rate / enc->sample_rate;
808 ff19d16b Justin Ruggles
        int byte_delta= ((int)idelta)*2*dec->channels;
809 ff4905a5 Michael Niedermayer
810 986ebcdb Michael Niedermayer
        //FIXME resample delay
811
        if(fabs(delta) > 50){
812 d4d226a8 Michael Niedermayer
            if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
813 ff4905a5 Michael Niedermayer
                if(byte_delta < 0){
814 f41dd5aa Michael Niedermayer
                    byte_delta= FFMAX(byte_delta, -size);
815 ff4905a5 Michael Niedermayer
                    size += byte_delta;
816
                    buf  -= byte_delta;
817
                    if(verbose > 2)
818
                        fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
819
                    if(!size)
820
                        return;
821
                    ist->is_start=0;
822
                }else{
823
                    static uint8_t *input_tmp= NULL;
824
                    input_tmp= av_realloc(input_tmp, byte_delta + size);
825
826 7a086a85 Michael Niedermayer
                    if(byte_delta > allocated_for_size - size){
827
                        allocated_for_size= byte_delta + (int64_t)size;
828
                        goto need_realloc;
829
                    }
830
                    ist->is_start=0;
831 ff4905a5 Michael Niedermayer
832
                    memset(input_tmp, 0, byte_delta);
833
                    memcpy(input_tmp + byte_delta, buf, size);
834
                    buf= input_tmp;
835
                    size += byte_delta;
836
                    if(verbose > 2)
837
                        fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
838
                }
839
            }else if(audio_sync_method>1){
840 f66e4f5f Reimar Döffinger
                int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
841 b926b628 Michael Niedermayer
                av_assert0(ost->audio_resample);
842 ff4905a5 Michael Niedermayer
                if(verbose > 2)
843
                    fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
844 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));
845 ff4905a5 Michael Niedermayer
                av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
846
            }
847 115329f1 Diego Biurrun
        }
848 986ebcdb Michael Niedermayer
    }else
849 b4a3389e Wolfram Gloger
        ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
850 37f5a713 Justin Ruggles
                        - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
851 85f07f22 Fabrice Bellard
852
    if (ost->audio_resample) {
853
        buftmp = audio_buf;
854 115329f1 Diego Biurrun
        size_out = audio_resample(ost->resample,
855 85f07f22 Fabrice Bellard
                                  (short *)buftmp, (short *)buf,
856 37f5a713 Justin Ruggles
                                  size / (dec->channels * isize));
857 287ba997 Peter Ross
        size_out = size_out * enc->channels * osize;
858 85f07f22 Fabrice Bellard
    } else {
859
        buftmp = buf;
860
        size_out = size;
861
    }
862
863 d1e3c6fd Baptiste Coudurier
    if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
864 a79db0f7 Peter Ross
        const void *ibuf[6]= {buftmp};
865 80f47250 Michael Niedermayer
        void *obuf[6]= {audio_buf};
866 287ba997 Peter Ross
        int istride[6]= {isize};
867
        int ostride[6]= {osize};
868 a79db0f7 Peter Ross
        int len= size_out/istride[0];
869
        if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
870
            printf("av_audio_convert() failed\n");
871 f2abc559 Baptiste Coudurier
            if (exit_on_error)
872 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
873 a79db0f7 Peter Ross
            return;
874
        }
875 80f47250 Michael Niedermayer
        buftmp = audio_buf;
876 287ba997 Peter Ross
        size_out = len*osize;
877 a79db0f7 Peter Ross
    }
878
879 85f07f22 Fabrice Bellard
    /* now encode as many frames as possible */
880 a0663ba4 Fabrice Bellard
    if (enc->frame_size > 1) {
881 85f07f22 Fabrice Bellard
        /* output resampled raw samples */
882 41dd680d Michael Niedermayer
        if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
883 745b39d5 Stefano Sabatini
            fprintf(stderr, "av_fifo_realloc2() failed\n");
884 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
885 745b39d5 Stefano Sabatini
        }
886 41dd680d Michael Niedermayer
        av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
887 85f07f22 Fabrice Bellard
888 287ba997 Peter Ross
        frame_bytes = enc->frame_size * osize * enc->channels;
889 115329f1 Diego Biurrun
890 41dd680d Michael Niedermayer
        while (av_fifo_size(ost->fifo) >= frame_bytes) {
891 e928649b Michael Niedermayer
            AVPacket pkt;
892
            av_init_packet(&pkt);
893
894 3898eed8 Reimar Döffinger
            av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
895 0871ae1a Michael Niedermayer
896 5bc440e7 Michael Niedermayer
            //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
897
898 115329f1 Diego Biurrun
            ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
899 a0663ba4 Fabrice Bellard
                                       (short *)audio_buf);
900 528271ff Michael Niedermayer
            if (ret < 0) {
901
                fprintf(stderr, "Audio encoding failed\n");
902 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
903 528271ff Michael Niedermayer
            }
904 1008ceb3 Michael Niedermayer
            audio_size += ret;
905 e928649b Michael Niedermayer
            pkt.stream_index= ost->index;
906
            pkt.data= audio_out;
907
            pkt.size= ret;
908 e7902f20 Michael Niedermayer
            if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
909 c0df9d75 Michael Niedermayer
                pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
910 cc947f04 Jean-Daniel Dupas
            pkt.flags |= AV_PKT_FLAG_KEY;
911 0b6d358a Nicolas George
            write_frame(s, &pkt, enc, ost->bitstream_filters);
912 115329f1 Diego Biurrun
913 986ebcdb Michael Niedermayer
            ost->sync_opts += enc->frame_size;
914 85f07f22 Fabrice Bellard
        }
915
    } else {
916 e928649b Michael Niedermayer
        AVPacket pkt;
917
        av_init_packet(&pkt);
918 986ebcdb Michael Niedermayer
919 287ba997 Peter Ross
        ost->sync_opts += size_out / (osize * enc->channels);
920 986ebcdb Michael Niedermayer
921 a0663ba4 Fabrice Bellard
        /* output a pcm frame */
922 287ba997 Peter Ross
        /* determine the size of the coded buffer */
923
        size_out /= osize;
924
        if (coded_bps)
925 060b8592 Michael Niedermayer
            size_out = size_out*coded_bps/8;
926 287ba997 Peter Ross
927 5ee05a62 Michael Niedermayer
        if(size_out > audio_out_size){
928
            fprintf(stderr, "Internal error, buffer size too small\n");
929 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
930 5ee05a62 Michael Niedermayer
        }
931
932 5bc440e7 Michael Niedermayer
        //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
933 115329f1 Diego Biurrun
        ret = avcodec_encode_audio(enc, audio_out, size_out,
934 bb270c08 Diego Biurrun
                                   (short *)buftmp);
935 528271ff Michael Niedermayer
        if (ret < 0) {
936
            fprintf(stderr, "Audio encoding failed\n");
937 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
938 528271ff Michael Niedermayer
        }
939 1008ceb3 Michael Niedermayer
        audio_size += ret;
940 e928649b Michael Niedermayer
        pkt.stream_index= ost->index;
941
        pkt.data= audio_out;
942
        pkt.size= ret;
943 e7902f20 Michael Niedermayer
        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
944 c0df9d75 Michael Niedermayer
            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
945 cc947f04 Jean-Daniel Dupas
        pkt.flags |= AV_PKT_FLAG_KEY;
946 0b6d358a Nicolas George
        write_frame(s, &pkt, enc, ost->bitstream_filters);
947 85f07f22 Fabrice Bellard
    }
948
}
949
950 10d104e4 Philip Gladstone
static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
951
{
952
    AVCodecContext *dec;
953
    AVPicture *picture2;
954
    AVPicture picture_tmp;
955 0c1a9eda Zdenek Kabelac
    uint8_t *buf = 0;
956 10d104e4 Philip Gladstone
957 01f4895c Michael Niedermayer
    dec = ist->st->codec;
958 10d104e4 Philip Gladstone
959
    /* deinterlace : must be done before any resize */
960 fdf11906 Diego Biurrun
    if (do_deinterlace) {
961 10d104e4 Philip Gladstone
        int size;
962
963
        /* create temporary picture */
964
        size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
965
        buf = av_malloc(size);
966
        if (!buf)
967
            return;
968 115329f1 Diego Biurrun
969 10d104e4 Philip Gladstone
        picture2 = &picture_tmp;
970
        avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
971
972 9e1cc598 Ramiro Polla
        if(avpicture_deinterlace(picture2, picture,
973
                                 dec->pix_fmt, dec->width, dec->height) < 0) {
974
            /* if error, do not deinterlace */
975
            fprintf(stderr, "Deinterlacing failed\n");
976
            av_free(buf);
977
            buf = NULL;
978
            picture2 = picture;
979
        }
980 10d104e4 Philip Gladstone
    } else {
981
        picture2 = picture;
982
    }
983
984
    if (picture != picture2)
985
        *picture = *picture2;
986
    *bufp = buf;
987
}
988
989 ec5517d5 Fabrice Bellard
/* we begin to correct av delay at this threshold */
990
#define AV_DELAY_MAX 0.100
991 85f07f22 Fabrice Bellard
992 115329f1 Diego Biurrun
static void do_subtitle_out(AVFormatContext *s,
993
                            AVOutputStream *ost,
994 cf7fc795 Fabrice Bellard
                            AVInputStream *ist,
995
                            AVSubtitle *sub,
996
                            int64_t pts)
997
{
998
    static uint8_t *subtitle_out = NULL;
999 7f4fca03 Reimar Döffinger
    int subtitle_out_max_size = 1024 * 1024;
1000 cf7fc795 Fabrice Bellard
    int subtitle_out_size, nb, i;
1001
    AVCodecContext *enc;
1002
    AVPacket pkt;
1003
1004
    if (pts == AV_NOPTS_VALUE) {
1005
        fprintf(stderr, "Subtitle packets must have a pts\n");
1006 f2abc559 Baptiste Coudurier
        if (exit_on_error)
1007 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
1008 cf7fc795 Fabrice Bellard
        return;
1009
    }
1010
1011 01f4895c Michael Niedermayer
    enc = ost->st->codec;
1012 cf7fc795 Fabrice Bellard
1013
    if (!subtitle_out) {
1014
        subtitle_out = av_malloc(subtitle_out_max_size);
1015
    }
1016
1017
    /* Note: DVB subtitle need one packet to draw them and one other
1018
       packet to clear them */
1019
    /* XXX: signal it in the codec context ? */
1020
    if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1021
        nb = 2;
1022
    else
1023
        nb = 1;
1024
1025
    for(i = 0; i < nb; i++) {
1026 4bbe788a Reimar Döffinger
        sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1027 8b03c014 Reimar Döffinger
        // start_display_time is required to be 0
1028
        sub->pts              += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1029
        sub->end_display_time -= sub->start_display_time;
1030
        sub->start_display_time = 0;
1031 115329f1 Diego Biurrun
        subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1032 cf7fc795 Fabrice Bellard
                                                    subtitle_out_max_size, sub);
1033 266649a5 Reimar Döffinger
        if (subtitle_out_size < 0) {
1034
            fprintf(stderr, "Subtitle encoding failed\n");
1035 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
1036 266649a5 Reimar Döffinger
        }
1037 115329f1 Diego Biurrun
1038 cf7fc795 Fabrice Bellard
        av_init_packet(&pkt);
1039
        pkt.stream_index = ost->index;
1040
        pkt.data = subtitle_out;
1041
        pkt.size = subtitle_out_size;
1042 8b03c014 Reimar Döffinger
        pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1043 cf7fc795 Fabrice Bellard
        if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1044
            /* XXX: the pts correction is handled here. Maybe handling
1045
               it in the codec would be better */
1046
            if (i == 0)
1047
                pkt.pts += 90 * sub->start_display_time;
1048
            else
1049
                pkt.pts += 90 * sub->end_display_time;
1050
        }
1051 0b6d358a Nicolas George
        write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1052 cf7fc795 Fabrice Bellard
    }
1053
}
1054
1055 8a6cb114 Michael Niedermayer
static int bit_buffer_size= 1024*256;
1056 27537106 Michael Niedermayer
static uint8_t *bit_buffer= NULL;
1057 1ff93ffc Todd Kirby
1058 115329f1 Diego Biurrun
static void do_video_out(AVFormatContext *s,
1059
                         AVOutputStream *ost,
1060 85f07f22 Fabrice Bellard
                         AVInputStream *ist,
1061 7a0f9d7e Fabrice Bellard
                         AVFrame *in_picture,
1062 986ebcdb Michael Niedermayer
                         int *frame_size)
1063 85f07f22 Fabrice Bellard
{
1064 9aa797cd Stefano Sabatini
    int nb_frames, i, ret, resample_changed;
1065 f38d900f Stefano Sabatini
    AVFrame *final_picture, *formatted_picture, *resampling_dst;
1066 cfcf0ffd Fabrice Bellard
    AVCodecContext *enc, *dec;
1067 47b229db Alexander Strange
    double sync_ipts;
1068 115329f1 Diego Biurrun
1069 01f4895c Michael Niedermayer
    enc = ost->st->codec;
1070
    dec = ist->st->codec;
1071 85f07f22 Fabrice Bellard
1072 47b229db Alexander Strange
    sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1073
1074 ec5517d5 Fabrice Bellard
    /* by default, we output a single frame */
1075
    nb_frames = 1;
1076
1077 204c0f48 Philip Gladstone
    *frame_size = 0;
1078
1079 9ff261a2 Michael Niedermayer
    if(video_sync_method){
1080 d55065a2 Alexander Strange
        double vdelta = sync_ipts - ost->sync_opts;
1081 e928649b Michael Niedermayer
        //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1082
        if (vdelta < -1.1)
1083
            nb_frames = 0;
1084 e6fdc2b1 Michael Niedermayer
        else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1085
            if(vdelta<=-0.6){
1086
                nb_frames=0;
1087
            }else if(vdelta>0.6)
1088 7f48bfa1 Baptiste Coudurier
                ost->sync_opts= lrintf(sync_ipts);
1089 e6fdc2b1 Michael Niedermayer
        }else if (vdelta > 1.1)
1090 70122f29 Michael Niedermayer
            nb_frames = lrintf(vdelta);
1091 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);
1092 50c3dd32 Michael Niedermayer
        if (nb_frames == 0){
1093
            ++nb_frames_drop;
1094
            if (verbose>2)
1095
                fprintf(stderr, "*** drop!\n");
1096 8300609b Michael Niedermayer
        }else if (nb_frames > 1) {
1097 ed30e518 Michael Niedermayer
            nb_frames_dup += nb_frames - 1;
1098 50c3dd32 Michael Niedermayer
            if (verbose>2)
1099 8300609b Michael Niedermayer
                fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1100 50c3dd32 Michael Niedermayer
        }
1101
    }else
1102 47b229db Alexander Strange
        ost->sync_opts= lrintf(sync_ipts);
1103 445f1b83 Roman Shaposhnik
1104 72415b2a Stefano Sabatini
    nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1105 115329f1 Diego Biurrun
    if (nb_frames <= 0)
1106 85f07f22 Fabrice Bellard
        return;
1107 ce7c56c2 Juanjo
1108 46847a33 Michael Niedermayer
    formatted_picture = in_picture;
1109 07d0cdfc Luca Abeni
    final_picture = formatted_picture;
1110
    resampling_dst = &ost->pict_tmp;
1111
1112 9aa797cd Stefano Sabatini
    resample_changed = ost->resample_width   != dec->width  ||
1113
                       ost->resample_height  != dec->height ||
1114
                       ost->resample_pix_fmt != dec->pix_fmt;
1115
1116
    if (resample_changed) {
1117 2ecc5b70 Stefano Sabatini
        av_log(NULL, AV_LOG_INFO,
1118
               "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1119
               ist->file_index, ist->index,
1120 c29c2eea Stefano Sabatini
               ost->resample_width, ost->resample_height, avcodec_get_pix_fmt_name(ost->resample_pix_fmt),
1121
               dec->width         , dec->height         , avcodec_get_pix_fmt_name(dec->pix_fmt));
1122 b83ccbff Michael Niedermayer
        if(!ost->video_resample)
1123 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
1124 b83ccbff Michael Niedermayer
    }
1125
1126 46847a33 Michael Niedermayer
#if !CONFIG_AVFILTER
1127 85f07f22 Fabrice Bellard
    if (ost->video_resample) {
1128 34b10a57 Dieter
        final_picture = &ost->pict_tmp;
1129 9aa797cd Stefano Sabatini
        if (resample_changed) {
1130 352666c1 Eric Buehl
            /* initialize a new scaler context */
1131
            sws_freeContext(ost->img_resample_ctx);
1132
            ost->img_resample_ctx = sws_getContext(
1133 5879ea6d Stefano Sabatini
                ist->st->codec->width,
1134
                ist->st->codec->height,
1135 352666c1 Eric Buehl
                ist->st->codec->pix_fmt,
1136 0c22311b Michael Niedermayer
                ost->st->codec->width,
1137
                ost->st->codec->height,
1138 352666c1 Eric Buehl
                ost->st->codec->pix_fmt,
1139 1435f2fa Anton Khirnov
                ost->sws_flags, NULL, NULL, NULL);
1140 352666c1 Eric Buehl
            if (ost->img_resample_ctx == NULL) {
1141
                fprintf(stderr, "Cannot get resampling context\n");
1142 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
1143 352666c1 Eric Buehl
            }
1144
        }
1145 18a54b04 Luca Abeni
        sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1146
              0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1147 f122deb4 Luca Abeni
    }
1148 46847a33 Michael Niedermayer
#endif
1149 07d0cdfc Luca Abeni
1150 85f07f22 Fabrice Bellard
    /* duplicates frame if needed */
1151 ec5517d5 Fabrice Bellard
    for(i=0;i<nb_frames;i++) {
1152 e928649b Michael Niedermayer
        AVPacket pkt;
1153
        av_init_packet(&pkt);
1154
        pkt.stream_index= ost->index;
1155
1156 e8750b00 Fred Rothganger
        if (s->oformat->flags & AVFMT_RAWPICTURE) {
1157
            /* raw pictures are written as AVPicture structure to
1158
               avoid any copies. We support temorarily the older
1159
               method. */
1160 2744ca9a Roman Shaposhnik
            AVFrame* old_frame = enc->coded_frame;
1161 bb270c08 Diego Biurrun
            enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1162 e928649b Michael Niedermayer
            pkt.data= (uint8_t *)final_picture;
1163
            pkt.size=  sizeof(AVPicture);
1164 b4dba580 Michael Niedermayer
            pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1165 cc947f04 Jean-Daniel Dupas
            pkt.flags |= AV_PKT_FLAG_KEY;
1166 e928649b Michael Niedermayer
1167 0b6d358a Nicolas George
            write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1168 bb270c08 Diego Biurrun
            enc->coded_frame = old_frame;
1169 e8750b00 Fred Rothganger
        } else {
1170 492cd3a9 Michael Niedermayer
            AVFrame big_picture;
1171 a4d36c11 Michael Niedermayer
1172
            big_picture= *final_picture;
1173 7a0f9d7e Fabrice Bellard
            /* better than nothing: use input picture interlaced
1174
               settings */
1175
            big_picture.interlaced_frame = in_picture->interlaced_frame;
1176 648e55ff Anton Khirnov
            if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1177 bb198e19 Michael Niedermayer
                if(top_field_first == -1)
1178
                    big_picture.top_field_first = in_picture->top_field_first;
1179
                else
1180 2a8edc5d Michael Niedermayer
                    big_picture.top_field_first = top_field_first;
1181 bb198e19 Michael Niedermayer
            }
1182 7a0f9d7e Fabrice Bellard
1183 85f07f22 Fabrice Bellard
            /* handles sameq here. This is not correct because it may
1184
               not be a global option */
1185 f62c025a Stefano Sabatini
            big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
1186 f4f3223f Michael Niedermayer
            if(!me_threshold)
1187
                big_picture.pict_type = 0;
1188 50c3dd32 Michael Niedermayer
//            big_picture.pts = AV_NOPTS_VALUE;
1189 c0df9d75 Michael Niedermayer
            big_picture.pts= ost->sync_opts;
1190
//            big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1191 949b1a13 Steve L'Homme
//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1192 4ad08021 Nicolas George
            if (ost->forced_kf_index < ost->forced_kf_count &&
1193
                big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1194 975a1447 Stefano Sabatini
                big_picture.pict_type = AV_PICTURE_TYPE_I;
1195 4ad08021 Nicolas George
                ost->forced_kf_index++;
1196
            }
1197 115329f1 Diego Biurrun
            ret = avcodec_encode_video(enc,
1198 8a6cb114 Michael Niedermayer
                                       bit_buffer, bit_buffer_size,
1199 1e491e29 Michael Niedermayer
                                       &big_picture);
1200 95af5e1c Michael Niedermayer
            if (ret < 0) {
1201 4156a436 Panagiotis Issaris
                fprintf(stderr, "Video encoding failed\n");
1202 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
1203 4156a436 Panagiotis Issaris
            }
1204 54e28a85 Baptiste Coudurier
1205 4bbc6260 Michael Niedermayer
            if(ret>0){
1206 27537106 Michael Niedermayer
                pkt.data= bit_buffer;
1207 e928649b Michael Niedermayer
                pkt.size= ret;
1208 e6b4e4ff Michael Niedermayer
                if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1209 c0df9d75 Michael Niedermayer
                    pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1210 949b1a13 Steve L'Homme
/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1211 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,
1212
   pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1213 50c3dd32 Michael Niedermayer
1214 e6b4e4ff Michael Niedermayer
                if(enc->coded_frame->key_frame)
1215 cc947f04 Jean-Daniel Dupas
                    pkt.flags |= AV_PKT_FLAG_KEY;
1216 0b6d358a Nicolas George
                write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1217 e928649b Michael Niedermayer
                *frame_size = ret;
1218 44eb047a Michael Niedermayer
                video_size += ret;
1219 54e28a85 Baptiste Coudurier
                //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1220
                //        enc->frame_number-1, ret, enc->pict_type);
1221 e928649b Michael Niedermayer
                /* if two pass, output log */
1222
                if (ost->logfile && enc->stats_out) {
1223
                    fprintf(ost->logfile, "%s", enc->stats_out);
1224
                }
1225 5abdb4b1 Fabrice Bellard
            }
1226 85f07f22 Fabrice Bellard
        }
1227 50c3dd32 Michael Niedermayer
        ost->sync_opts++;
1228 ec5517d5 Fabrice Bellard
        ost->frame_number++;
1229 85f07f22 Fabrice Bellard
    }
1230
}
1231
1232 140cb663 Michael Niedermayer
static double psnr(double d){
1233 b29f97d1 Zdenek Kabelac
    return -10.0*log(d)/log(10.0);
1234 140cb663 Michael Niedermayer
}
1235
1236 115329f1 Diego Biurrun
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1237 ec5517d5 Fabrice Bellard
                           int frame_size)
1238 ce7c56c2 Juanjo
{
1239
    AVCodecContext *enc;
1240
    int frame_number;
1241
    double ti1, bitrate, avg_bitrate;
1242 115329f1 Diego Biurrun
1243 b60d1379 Stefano Sabatini
    /* this is executed just the first time do_video_stats is called */
1244 032aa7df Stefano Sabatini
    if (!vstats_file) {
1245
        vstats_file = fopen(vstats_filename, "w");
1246
        if (!vstats_file) {
1247 4bd0c2b1 Benoit Fouet
            perror("fopen");
1248 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
1249 4bd0c2b1 Benoit Fouet
        }
1250
    }
1251
1252 01f4895c Michael Niedermayer
    enc = ost->st->codec;
1253 72415b2a Stefano Sabatini
    if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1254 ec5517d5 Fabrice Bellard
        frame_number = ost->frame_number;
1255 032aa7df Stefano Sabatini
        fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1256 140cb663 Michael Niedermayer
        if (enc->flags&CODEC_FLAG_PSNR)
1257 032aa7df Stefano Sabatini
            fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1258 115329f1 Diego Biurrun
1259 032aa7df Stefano Sabatini
        fprintf(vstats_file,"f_size= %6d ", frame_size);
1260 ec5517d5 Fabrice Bellard
        /* compute pts value */
1261 c0df9d75 Michael Niedermayer
        ti1 = ost->sync_opts * av_q2d(enc->time_base);
1262 ce7c56c2 Juanjo
        if (ti1 < 0.01)
1263
            ti1 = 0.01;
1264 115329f1 Diego Biurrun
1265 c0df9d75 Michael Niedermayer
        bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1266 1008ceb3 Michael Niedermayer
        avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1267 032aa7df Stefano Sabatini
        fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1268 1008ceb3 Michael Niedermayer
            (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1269 6209669d Stefano Sabatini
        fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1270 ce7c56c2 Juanjo
    }
1271 ec5517d5 Fabrice Bellard
}
1272
1273 b29f97d1 Zdenek Kabelac
static void print_report(AVFormatContext **output_files,
1274 bb270c08 Diego Biurrun
                         AVOutputStream **ost_table, int nb_ostreams,
1275
                         int is_last_report)
1276 ec5517d5 Fabrice Bellard
{
1277
    char buf[1024];
1278
    AVOutputStream *ost;
1279 b5ee9c23 Michael Niedermayer
    AVFormatContext *oc;
1280 0c1a9eda Zdenek Kabelac
    int64_t total_size;
1281 ec5517d5 Fabrice Bellard
    AVCodecContext *enc;
1282
    int frame_number, vid, i;
1283
    double bitrate, ti1, pts;
1284 0c1a9eda Zdenek Kabelac
    static int64_t last_time = -1;
1285 0888fd22 Michael Niedermayer
    static int qp_histogram[52];
1286 115329f1 Diego Biurrun
1287 ec5517d5 Fabrice Bellard
    if (!is_last_report) {
1288 0c1a9eda Zdenek Kabelac
        int64_t cur_time;
1289 ec5517d5 Fabrice Bellard
        /* display the report every 0.5 seconds */
1290
        cur_time = av_gettime();
1291
        if (last_time == -1) {
1292
            last_time = cur_time;
1293
            return;
1294 115329f1 Diego Biurrun
        }
1295 ec5517d5 Fabrice Bellard
        if ((cur_time - last_time) < 500000)
1296
            return;
1297
        last_time = cur_time;
1298
    }
1299
1300 ce7c56c2 Juanjo
1301 ec5517d5 Fabrice Bellard
    oc = output_files[0];
1302
1303 76aa876e Anton Khirnov
    total_size = avio_size(oc->pb);
1304
    if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1305 a2704c97 Anton Khirnov
        total_size= avio_tell(oc->pb);
1306 115329f1 Diego Biurrun
1307 ec5517d5 Fabrice Bellard
    buf[0] = '\0';
1308
    ti1 = 1e10;
1309
    vid = 0;
1310
    for(i=0;i<nb_ostreams;i++) {
1311 5da116a3 Michael Niedermayer
        float q = -1;
1312 ec5517d5 Fabrice Bellard
        ost = ost_table[i];
1313 01f4895c Michael Niedermayer
        enc = ost->st->codec;
1314 5da116a3 Michael Niedermayer
        if (!ost->st->stream_copy && enc->coded_frame)
1315
            q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1316 72415b2a Stefano Sabatini
        if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1317 5da116a3 Michael Niedermayer
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1318 10d104e4 Philip Gladstone
        }
1319 72415b2a Stefano Sabatini
        if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1320 7fc98937 Limin Wang
            float t = (av_gettime()-timer_start) / 1000000.0;
1321
1322 ec5517d5 Fabrice Bellard
            frame_number = ost->frame_number;
1323 7fc98937 Limin Wang
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1324 5da116a3 Michael Niedermayer
                     frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1325 890972be Michael Niedermayer
            if(is_last_report)
1326 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1327 e6b4e4ff Michael Niedermayer
            if(qp_hist){
1328 0888fd22 Michael Niedermayer
                int j;
1329 5da116a3 Michael Niedermayer
                int qp = lrintf(q);
1330 37d3e066 Aurelien Jacobs
                if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1331 0888fd22 Michael Niedermayer
                    qp_histogram[qp]++;
1332
                for(j=0; j<32; j++)
1333
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1334
            }
1335 890972be Michael Niedermayer
            if (enc->flags&CODEC_FLAG_PSNR){
1336
                int j;
1337
                double error, error_sum=0;
1338
                double scale, scale_sum=0;
1339
                char type[3]= {'Y','U','V'};
1340 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1341 890972be Michael Niedermayer
                for(j=0; j<3; j++){
1342
                    if(is_last_report){
1343
                        error= enc->error[j];
1344
                        scale= enc->width*enc->height*255.0*255.0*frame_number;
1345
                    }else{
1346
                        error= enc->coded_frame->error[j];
1347
                        scale= enc->width*enc->height*255.0*255.0;
1348
                    }
1349
                    if(j) scale/=4;
1350
                    error_sum += error;
1351
                    scale_sum += scale;
1352 0ecca7a4 Michael Niedermayer
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1353 890972be Michael Niedermayer
                }
1354 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1355 890972be Michael Niedermayer
            }
1356 ec5517d5 Fabrice Bellard
            vid = 1;
1357
        }
1358
        /* compute min output value */
1359 43924f01 Alex Beregszaszi
        pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1360 5d9827bc Kareila
        if ((pts < ti1) && (pts > 0))
1361 ec5517d5 Fabrice Bellard
            ti1 = pts;
1362
    }
1363
    if (ti1 < 0.01)
1364
        ti1 = 0.01;
1365 115329f1 Diego Biurrun
1366 d1991f51 Michael Niedermayer
    if (verbose > 0 || is_last_report) {
1367 f068206e Bill Eldridge
        bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1368 115329f1 Diego Biurrun
1369
        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1370 475f4d8d David Bolt
            "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1371 ec5517d5 Fabrice Bellard
            (double)total_size / 1024, ti1, bitrate);
1372 a6a92a9a Wolfram Gloger
1373 0f649d66 Michael Niedermayer
        if (nb_frames_dup || nb_frames_drop)
1374 bb270c08 Diego Biurrun
          snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1375
                  nb_frames_dup, nb_frames_drop);
1376 115329f1 Diego Biurrun
1377 d8019eb5 Allen Day
        if (verbose >= 0)
1378
            fprintf(stderr, "%s    \r", buf);
1379
1380 ec5517d5 Fabrice Bellard
        fflush(stderr);
1381
    }
1382 115329f1 Diego Biurrun
1383 1008ceb3 Michael Niedermayer
    if (is_last_report && verbose >= 0){
1384
        int64_t raw= audio_size + video_size + extra_size;
1385 f068206e Bill Eldridge
        fprintf(stderr, "\n");
1386 1008ceb3 Michael Niedermayer
        fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1387
                video_size/1024.0,
1388
                audio_size/1024.0,
1389
                extra_size/1024.0,
1390
                100.0*(total_size - raw)/raw
1391
        );
1392
    }
1393 ce7c56c2 Juanjo
}
1394
1395 14cf0fd2 Alex Converse
static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1396
{
1397
    int fill_char = 0x00;
1398
    if (sample_fmt == AV_SAMPLE_FMT_U8)
1399
        fill_char = 0x80;
1400
    memset(buf, fill_char, size);
1401
}
1402
1403 a700a6ae Fabrice Bellard
/* pkt = NULL means EOF (needed to flush decoder buffers) */
1404
static int output_packet(AVInputStream *ist, int ist_index,
1405
                         AVOutputStream **ost_table, int nb_ostreams,
1406 4b85a28f Wolfram Gloger
                         const AVPacket *pkt)
1407 a700a6ae Fabrice Bellard
{
1408
    AVFormatContext *os;
1409
    AVOutputStream *ost;
1410 ede0e475 Thilo Borgmann
    int ret, i;
1411 cb48fdf6 Alexander Strange
    int got_output;
1412 a700a6ae Fabrice Bellard
    AVFrame picture;
1413 3fd62c6e Stefano Sabatini
    void *buffer_to_free = NULL;
1414 f038fe8b Diego Biurrun
    static unsigned int samples_size= 0;
1415 cf7fc795 Fabrice Bellard
    AVSubtitle subtitle, *subtitle_to_free;
1416 0ff4f0c0 Alexander Strange
    int64_t pkt_pts = AV_NOPTS_VALUE;
1417 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1418 d21f58b5 Baptiste Coudurier
    int frame_available;
1419 46847a33 Michael Niedermayer
#endif
1420
1421 ede0e475 Thilo Borgmann
    AVPacket avpkt;
1422 ba7d6e79 Stefano Sabatini
    int bps = av_get_bits_per_sample_fmt(ist->st->codec->sample_fmt)>>3;
1423 ede0e475 Thilo Borgmann
1424 ed923859 Michael Niedermayer
    if(ist->next_pts == AV_NOPTS_VALUE)
1425
        ist->next_pts= ist->pts;
1426
1427 a700a6ae Fabrice Bellard
    if (pkt == NULL) {
1428
        /* EOF handling */
1429 031e14ea Thilo Borgmann
        av_init_packet(&avpkt);
1430 ede0e475 Thilo Borgmann
        avpkt.data = NULL;
1431
        avpkt.size = 0;
1432 a700a6ae Fabrice Bellard
        goto handle_eof;
1433 031e14ea Thilo Borgmann
    } else {
1434
        avpkt = *pkt;
1435 a700a6ae Fabrice Bellard
    }
1436
1437 b1b818fc Michael Niedermayer
    if(pkt->dts != AV_NOPTS_VALUE)
1438
        ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1439 0ff4f0c0 Alexander Strange
    if(pkt->pts != AV_NOPTS_VALUE)
1440
        pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1441 b1b818fc Michael Niedermayer
1442 bd6754aa Michael Niedermayer
    //while we have more to decode or while the decoder did output something on EOF
1443 cb48fdf6 Alexander Strange
    while (avpkt.size > 0 || (!pkt && got_output)) {
1444 036c1382 Michael Niedermayer
        uint8_t *data_buf, *decoded_data_buf;
1445
        int data_size, decoded_data_size;
1446 a700a6ae Fabrice Bellard
    handle_eof:
1447 b1b818fc Michael Niedermayer
        ist->pts= ist->next_pts;
1448 19d5da50 Michael Niedermayer
1449 d859bb1d Sascha Sommer
        if(avpkt.size && avpkt.size != pkt->size &&
1450 6e2fdc3e Stefano Sabatini
           ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1451 40cb57a2 Michael Niedermayer
            fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1452 3ff0daf0 Michael Niedermayer
            ist->showed_multi_packet_warning=1;
1453
        }
1454 40cb57a2 Michael Niedermayer
1455 a700a6ae Fabrice Bellard
        /* decode the packet if needed */
1456 036c1382 Michael Niedermayer
        decoded_data_buf = NULL; /* fail safe */
1457
        decoded_data_size= 0;
1458
        data_buf  = avpkt.data;
1459
        data_size = avpkt.size;
1460 cf7fc795 Fabrice Bellard
        subtitle_to_free = NULL;
1461 a700a6ae Fabrice Bellard
        if (ist->decoding_needed) {
1462 01f4895c Michael Niedermayer
            switch(ist->st->codec->codec_type) {
1463 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:{
1464 81b060fa Loren Merritt
                if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1465
                    samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1466
                    av_free(samples);
1467
                    samples= av_malloc(samples_size);
1468
                }
1469 036c1382 Michael Niedermayer
                decoded_data_size= samples_size;
1470 a700a6ae Fabrice Bellard
                    /* XXX: could avoid copy if PCM 16 bits with same
1471
                       endianness as CPU */
1472 036c1382 Michael Niedermayer
                ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1473 ede0e475 Thilo Borgmann
                                            &avpkt);
1474 a700a6ae Fabrice Bellard
                if (ret < 0)
1475
                    goto fail_decode;
1476 ede0e475 Thilo Borgmann
                avpkt.data += ret;
1477
                avpkt.size -= ret;
1478 036c1382 Michael Niedermayer
                data_size   = ret;
1479 cb48fdf6 Alexander Strange
                got_output  = decoded_data_size > 0;
1480 a700a6ae Fabrice Bellard
                /* Some bug in mpeg audio decoder gives */
1481 036c1382 Michael Niedermayer
                /* decoded_data_size < 0, it seems they are overflows */
1482 cb48fdf6 Alexander Strange
                if (!got_output) {
1483 a700a6ae Fabrice Bellard
                    /* no audio frame */
1484
                    continue;
1485
                }
1486 036c1382 Michael Niedermayer
                decoded_data_buf = (uint8_t *)samples;
1487
                ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1488 01f4895c Michael Niedermayer
                    (ist->st->codec->sample_rate * ist->st->codec->channels);
1489 df84ac2e Michael Niedermayer
                break;}
1490 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
1491 036c1382 Michael Niedermayer
                    decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1492 a700a6ae Fabrice Bellard
                    /* XXX: allocate picture correctly */
1493 9740beff Michael Niedermayer
                    avcodec_get_frame_defaults(&picture);
1494 6b474953 Alexander Strange
                    avpkt.pts = pkt_pts;
1495
                    avpkt.dts = ist->pts;
1496 0ff4f0c0 Alexander Strange
                    pkt_pts = AV_NOPTS_VALUE;
1497 9740beff Michael Niedermayer
1498 ede0e475 Thilo Borgmann
                    ret = avcodec_decode_video2(ist->st->codec,
1499 cb48fdf6 Alexander Strange
                                                &picture, &got_output, &avpkt);
1500 a700a6ae Fabrice Bellard
                    ist->st->quality= picture.quality;
1501 115329f1 Diego Biurrun
                    if (ret < 0)
1502 a700a6ae Fabrice Bellard
                        goto fail_decode;
1503 cb48fdf6 Alexander Strange
                    if (!got_output) {
1504 a700a6ae Fabrice Bellard
                        /* no picture yet */
1505
                        goto discard_packet;
1506
                    }
1507 6b474953 Alexander Strange
                    ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1508 01f4895c Michael Niedermayer
                    if (ist->st->codec->time_base.num != 0) {
1509 3797c74b Michael Niedermayer
                        int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1510 115329f1 Diego Biurrun
                        ist->next_pts += ((int64_t)AV_TIME_BASE *
1511 34583e1b Michael Niedermayer
                                          ist->st->codec->time_base.num * ticks) /
1512 01f4895c Michael Niedermayer
                            ist->st->codec->time_base.den;
1513 a700a6ae Fabrice Bellard
                    }
1514 ede0e475 Thilo Borgmann
                    avpkt.size = 0;
1515 3fd62c6e Stefano Sabatini
                    buffer_to_free = NULL;
1516
                    pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1517 a700a6ae Fabrice Bellard
                    break;
1518 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_SUBTITLE:
1519 ede0e475 Thilo Borgmann
                ret = avcodec_decode_subtitle2(ist->st->codec,
1520 cb48fdf6 Alexander Strange
                                               &subtitle, &got_output, &avpkt);
1521 cf7fc795 Fabrice Bellard
                if (ret < 0)
1522 a700a6ae Fabrice Bellard
                    goto fail_decode;
1523 cb48fdf6 Alexander Strange
                if (!got_output) {
1524 cf7fc795 Fabrice Bellard
                    goto discard_packet;
1525 a700a6ae Fabrice Bellard
                }
1526 cf7fc795 Fabrice Bellard
                subtitle_to_free = &subtitle;
1527 ede0e475 Thilo Borgmann
                avpkt.size = 0;
1528 cf7fc795 Fabrice Bellard
                break;
1529
            default:
1530
                goto fail_decode;
1531
            }
1532
        } else {
1533 bde0705c Limin Wang
            switch(ist->st->codec->codec_type) {
1534 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:
1535 bde0705c Limin Wang
                ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1536 1c715415 Michael Niedermayer
                    ist->st->codec->sample_rate;
1537 bde0705c Limin Wang
                break;
1538 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
1539 bde0705c Limin Wang
                if (ist->st->codec->time_base.num != 0) {
1540 3797c74b Michael Niedermayer
                    int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1541 bde0705c Limin Wang
                    ist->next_pts += ((int64_t)AV_TIME_BASE *
1542 34583e1b Michael Niedermayer
                                      ist->st->codec->time_base.num * ticks) /
1543 bde0705c Limin Wang
                        ist->st->codec->time_base.den;
1544 2fef0bdf Michael Niedermayer
                }
1545 bde0705c Limin Wang
                break;
1546 a700a6ae Fabrice Bellard
            }
1547 ede0e475 Thilo Borgmann
            ret = avpkt.size;
1548
            avpkt.size = 0;
1549 bde0705c Limin Wang
        }
1550 a700a6ae Fabrice Bellard
1551 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1552
        if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->input_video_filter) {
1553 d9c3e5f6 Michael Niedermayer
            AVRational sar;
1554
            if (ist->st->sample_aspect_ratio.num) sar = ist->st->sample_aspect_ratio;
1555
            else                                  sar = ist->st->codec->sample_aspect_ratio;
1556 46847a33 Michael Niedermayer
            // add it to be filtered
1557
            av_vsrc_buffer_add_frame(ist->input_video_filter, &picture,
1558
                                     ist->pts,
1559 d9c3e5f6 Michael Niedermayer
                                     sar);
1560 46847a33 Michael Niedermayer
        }
1561
#endif
1562
1563 bde0705c Limin Wang
        // preprocess audio (volume)
1564 72415b2a Stefano Sabatini
        if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1565 bde0705c Limin Wang
            if (audio_volume != 256) {
1566
                short *volp;
1567
                volp = samples;
1568 036c1382 Michael Niedermayer
                for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1569 bde0705c Limin Wang
                    int v = ((*volp) * audio_volume + 128) >> 8;
1570
                    if (v < -32768) v = -32768;
1571
                    if (v >  32767) v = 32767;
1572
                    *volp++ = v;
1573 7e987c33 Calcium
                }
1574
            }
1575 bde0705c Limin Wang
        }
1576 7e987c33 Calcium
1577 bde0705c Limin Wang
        /* frame rate emulation */
1578 3a25ca18 Stefano Sabatini
        if (rate_emu) {
1579 cb103a19 Stefano Sabatini
            int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1580 bde0705c Limin Wang
            int64_t now = av_gettime() - ist->start;
1581
            if (pts > now)
1582
                usleep(pts - now);
1583
        }
1584 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1585 d21f58b5 Baptiste Coudurier
        frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1586 dfd57757 Stefano Sabatini
            !ist->output_video_filter || avfilter_poll_frame(ist->output_video_filter->inputs[0]);
1587 46847a33 Michael Niedermayer
#endif
1588 bde0705c Limin Wang
        /* if output time reached then transcode raw format,
1589
           encode packets and output them */
1590
        if (start_time == 0 || ist->pts >= start_time)
1591 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1592 d21f58b5 Baptiste Coudurier
        while (frame_available) {
1593 ff0652e5 Stefano Sabatini
            AVRational ist_pts_tb;
1594 dfd57757 Stefano Sabatini
            if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->output_video_filter)
1595 ff0652e5 Stefano Sabatini
                get_filtered_video_frame(ist->output_video_filter, &picture, &ist->picref, &ist_pts_tb);
1596
            if (ist->picref)
1597 da1b9b88 Stefano Sabatini
                ist->pts = av_rescale_q(ist->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1598 46847a33 Michael Niedermayer
#endif
1599 bde0705c Limin Wang
            for(i=0;i<nb_ostreams;i++) {
1600
                int frame_size;
1601 a700a6ae Fabrice Bellard
1602 bde0705c Limin Wang
                ost = ost_table[i];
1603
                if (ost->source_index == ist_index) {
1604
                    os = output_files[ost->file_index];
1605 a700a6ae Fabrice Bellard
1606 bde0705c Limin Wang
                    /* set the input output pts pairs */
1607
                    //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1608
1609
                    if (ost->encoding_needed) {
1610 b926b628 Michael Niedermayer
                        av_assert0(ist->decoding_needed);
1611 bde0705c Limin Wang
                        switch(ost->st->codec->codec_type) {
1612 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_AUDIO:
1613 036c1382 Michael Niedermayer
                            do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1614 bde0705c Limin Wang
                            break;
1615 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_VIDEO:
1616 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1617 cc80caff S.N. Hemanth Meenakshisundaram
                            if (ist->picref->video)
1618
                                ost->st->codec->sample_aspect_ratio = ist->picref->video->pixel_aspect;
1619 46847a33 Michael Niedermayer
#endif
1620 bde0705c Limin Wang
                            do_video_out(os, ost, ist, &picture, &frame_size);
1621 b60d1379 Stefano Sabatini
                            if (vstats_filename && frame_size)
1622 bde0705c Limin Wang
                                do_video_stats(os, ost, frame_size);
1623
                            break;
1624 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_SUBTITLE:
1625 bde0705c Limin Wang
                            do_subtitle_out(os, ost, ist, &subtitle,
1626
                                            pkt->pts);
1627
                            break;
1628
                        default:
1629 0f4e8165 Ronald S. Bultje
                            abort();
1630 bde0705c Limin Wang
                        }
1631
                    } else {
1632
                        AVFrame avframe; //FIXME/XXX remove this
1633
                        AVPacket opkt;
1634 cdf38a17 Michael Niedermayer
                        int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1635
1636 bde0705c Limin Wang
                        av_init_packet(&opkt);
1637
1638 cc947f04 Jean-Daniel Dupas
                        if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1639 7cacf1e8 Michael Niedermayer
                            continue;
1640
1641 bde0705c Limin Wang
                        /* no reencoding needed : output the packet directly */
1642
                        /* force the input stream PTS */
1643
1644
                        avcodec_get_frame_defaults(&avframe);
1645
                        ost->st->codec->coded_frame= &avframe;
1646 cc947f04 Jean-Daniel Dupas
                        avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1647 bde0705c Limin Wang
1648 72415b2a Stefano Sabatini
                        if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1649 bde0705c Limin Wang
                            audio_size += data_size;
1650 72415b2a Stefano Sabatini
                        else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1651 bde0705c Limin Wang
                            video_size += data_size;
1652
                            ost->sync_opts++;
1653
                        }
1654
1655
                        opkt.stream_index= ost->index;
1656
                        if(pkt->pts != AV_NOPTS_VALUE)
1657 cdf38a17 Michael Niedermayer
                            opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1658 bde0705c Limin Wang
                        else
1659
                            opkt.pts= AV_NOPTS_VALUE;
1660
1661 d2ce2f5e Baptiste Coudurier
                        if (pkt->dts == AV_NOPTS_VALUE)
1662 181782ae Michael Niedermayer
                            opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1663 d2ce2f5e Baptiste Coudurier
                        else
1664
                            opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1665 cdf38a17 Michael Niedermayer
                        opkt.dts -= ost_tb_start_time;
1666 c0dd7b7c Michael Niedermayer
1667 a03d59b7 Aurelien Jacobs
                        opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1668 bde0705c Limin Wang
                        opkt.flags= pkt->flags;
1669
1670
                        //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1671 5bfe91e6 Michael Niedermayer
                        if(   ost->st->codec->codec_id != CODEC_ID_H264
1672
                           && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1673
                           && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1674
                           ) {
1675 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))
1676 9f907d85 Michael Niedermayer
                                opkt.destruct= av_destruct_packet;
1677 d310d56a Baptiste Coudurier
                        } else {
1678
                            opkt.data = data_buf;
1679
                            opkt.size = data_size;
1680
                        }
1681 bde0705c Limin Wang
1682 0b6d358a Nicolas George
                        write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1683 bde0705c Limin Wang
                        ost->st->codec->frame_number++;
1684
                        ost->frame_number++;
1685
                        av_free_packet(&opkt);
1686 a700a6ae Fabrice Bellard
                    }
1687
                }
1688 bde0705c Limin Wang
            }
1689 46847a33 Michael Niedermayer
1690
#if CONFIG_AVFILTER
1691 748db0fc Michael Niedermayer
            frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1692 dfd57757 Stefano Sabatini
                              ist->output_video_filter && avfilter_poll_frame(ist->output_video_filter->inputs[0]);
1693 46847a33 Michael Niedermayer
            if(ist->picref)
1694 7fce481a S.N. Hemanth Meenakshisundaram
                avfilter_unref_buffer(ist->picref);
1695 46847a33 Michael Niedermayer
        }
1696
#endif
1697 bde0705c Limin Wang
        av_free(buffer_to_free);
1698
        /* XXX: allocate the subtitles in the codec ? */
1699
        if (subtitle_to_free) {
1700 1d6233d3 Aurelien Jacobs
            avsubtitle_free(subtitle_to_free);
1701 bde0705c Limin Wang
            subtitle_to_free = NULL;
1702 a700a6ae Fabrice Bellard
        }
1703 bde0705c Limin Wang
    }
1704 a700a6ae Fabrice Bellard
 discard_packet:
1705 6f824977 Michael Niedermayer
    if (pkt == NULL) {
1706
        /* EOF handling */
1707 115329f1 Diego Biurrun
1708 6f824977 Michael Niedermayer
        for(i=0;i<nb_ostreams;i++) {
1709
            ost = ost_table[i];
1710
            if (ost->source_index == ist_index) {
1711 01f4895c Michael Niedermayer
                AVCodecContext *enc= ost->st->codec;
1712 6f824977 Michael Niedermayer
                os = output_files[ost->file_index];
1713 115329f1 Diego Biurrun
1714 72415b2a Stefano Sabatini
                if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1715 6f824977 Michael Niedermayer
                    continue;
1716 72415b2a Stefano Sabatini
                if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1717 6f824977 Michael Niedermayer
                    continue;
1718
1719
                if (ost->encoding_needed) {
1720
                    for(;;) {
1721
                        AVPacket pkt;
1722 cef7cc72 Justin Ruggles
                        int fifo_bytes;
1723 6f824977 Michael Niedermayer
                        av_init_packet(&pkt);
1724
                        pkt.stream_index= ost->index;
1725 115329f1 Diego Biurrun
1726 01f4895c Michael Niedermayer
                        switch(ost->st->codec->codec_type) {
1727 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_AUDIO:
1728 41dd680d Michael Niedermayer
                            fifo_bytes = av_fifo_size(ost->fifo);
1729 cef7cc72 Justin Ruggles
                            ret = 0;
1730
                            /* encode any samples remaining in fifo */
1731 b10d7e4e Baptiste Coudurier
                            if (fifo_bytes > 0) {
1732 ba7d6e79 Stefano Sabatini
                                int osize = av_get_bits_per_sample_fmt(enc->sample_fmt) >> 3;
1733 cef7cc72 Justin Ruggles
                                int fs_tmp = enc->frame_size;
1734 b10d7e4e Baptiste Coudurier
1735 79c85beb Justin Ruggles
                                av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1736 b10d7e4e Baptiste Coudurier
                                if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1737
                                    enc->frame_size = fifo_bytes / (osize * enc->channels);
1738
                                } else { /* pad */
1739
                                    int frame_bytes = enc->frame_size*osize*enc->channels;
1740 79c85beb Justin Ruggles
                                    if (allocated_audio_buf_size < frame_bytes)
1741 639e4ec8 Stefano Sabatini
                                        ffmpeg_exit(1);
1742 14cf0fd2 Alex Converse
                                    generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1743 b10d7e4e Baptiste Coudurier
                                }
1744
1745 79c85beb Justin Ruggles
                                ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1746 7c8689ef Baptiste Coudurier
                                pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1747
                                                          ost->st->time_base.num, enc->sample_rate);
1748 cef7cc72 Justin Ruggles
                                enc->frame_size = fs_tmp;
1749 9e0db7d5 Michael Niedermayer
                            }
1750
                            if(ret <= 0) {
1751 cef7cc72 Justin Ruggles
                                ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1752
                            }
1753 528271ff Michael Niedermayer
                            if (ret < 0) {
1754
                                fprintf(stderr, "Audio encoding failed\n");
1755 639e4ec8 Stefano Sabatini
                                ffmpeg_exit(1);
1756 528271ff Michael Niedermayer
                            }
1757 6f824977 Michael Niedermayer
                            audio_size += ret;
1758 cc947f04 Jean-Daniel Dupas
                            pkt.flags |= AV_PKT_FLAG_KEY;
1759 6f824977 Michael Niedermayer
                            break;
1760 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_VIDEO:
1761 8a6cb114 Michael Niedermayer
                            ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1762 528271ff Michael Niedermayer
                            if (ret < 0) {
1763
                                fprintf(stderr, "Video encoding failed\n");
1764 639e4ec8 Stefano Sabatini
                                ffmpeg_exit(1);
1765 528271ff Michael Niedermayer
                            }
1766 6f824977 Michael Niedermayer
                            video_size += ret;
1767
                            if(enc->coded_frame && enc->coded_frame->key_frame)
1768 cc947f04 Jean-Daniel Dupas
                                pkt.flags |= AV_PKT_FLAG_KEY;
1769 6f824977 Michael Niedermayer
                            if (ost->logfile && enc->stats_out) {
1770
                                fprintf(ost->logfile, "%s", enc->stats_out);
1771
                            }
1772
                            break;
1773
                        default:
1774
                            ret=-1;
1775
                        }
1776 115329f1 Diego Biurrun
1777 6f824977 Michael Niedermayer
                        if(ret<=0)
1778
                            break;
1779 27537106 Michael Niedermayer
                        pkt.data= bit_buffer;
1780 6f824977 Michael Niedermayer
                        pkt.size= ret;
1781 e7902f20 Michael Niedermayer
                        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1782 c0df9d75 Michael Niedermayer
                            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1783 0b6d358a Nicolas George
                        write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1784 6f824977 Michael Niedermayer
                    }
1785
                }
1786
            }
1787
        }
1788
    }
1789 115329f1 Diego Biurrun
1790 a700a6ae Fabrice Bellard
    return 0;
1791
 fail_decode:
1792
    return -1;
1793
}
1794
1795 6d1ba1ac Luca Abeni
static void print_sdp(AVFormatContext **avc, int n)
1796
{
1797
    char sdp[2048];
1798
1799 c3675dfe Anton Khirnov
    av_sdp_create(avc, n, sdp, sizeof(sdp));
1800 6d1ba1ac Luca Abeni
    printf("SDP:\n%s\n", sdp);
1801 536cd1db Luca Barbato
    fflush(stdout);
1802 6d1ba1ac Luca Abeni
}
1803 a700a6ae Fabrice Bellard
1804 7a39f142 Anton Khirnov
static int copy_chapters(int infile, int outfile)
1805
{
1806
    AVFormatContext *is = input_files[infile];
1807
    AVFormatContext *os = output_files[outfile];
1808
    int i;
1809
1810
    for (i = 0; i < is->nb_chapters; i++) {
1811
        AVChapter *in_ch = is->chapters[i], *out_ch;
1812
        int64_t ts_off   = av_rescale_q(start_time - input_files_ts_offset[infile],
1813
                                      AV_TIME_BASE_Q, in_ch->time_base);
1814
        int64_t rt       = (recording_time == INT64_MAX) ? INT64_MAX :
1815
                           av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1816
1817
1818
        if (in_ch->end < ts_off)
1819
            continue;
1820
        if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1821
            break;
1822
1823
        out_ch = av_mallocz(sizeof(AVChapter));
1824
        if (!out_ch)
1825
            return AVERROR(ENOMEM);
1826
1827
        out_ch->id        = in_ch->id;
1828
        out_ch->time_base = in_ch->time_base;
1829
        out_ch->start     = FFMAX(0,  in_ch->start - ts_off);
1830
        out_ch->end       = FFMIN(rt, in_ch->end   - ts_off);
1831
1832 d0abe80a Anton Khirnov
        if (metadata_chapters_autocopy)
1833 7f88a5bf Ronald S. Bultje
            av_metadata_copy(&out_ch->metadata, in_ch->metadata, 0);
1834 7a39f142 Anton Khirnov
1835
        os->nb_chapters++;
1836
        os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1837
        if (!os->chapters)
1838
            return AVERROR(ENOMEM);
1839
        os->chapters[os->nb_chapters - 1] = out_ch;
1840
    }
1841
    return 0;
1842
}
1843
1844 4ad08021 Nicolas George
static void parse_forced_key_frames(char *kf, AVOutputStream *ost,
1845
                                    AVCodecContext *avctx)
1846
{
1847
    char *p;
1848
    int n = 1, i;
1849
    int64_t t;
1850
1851
    for (p = kf; *p; p++)
1852
        if (*p == ',')
1853
            n++;
1854
    ost->forced_kf_count = n;
1855
    ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1856
    if (!ost->forced_kf_pts) {
1857
        av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1858
        ffmpeg_exit(1);
1859
    }
1860
    for (i = 0; i < n; i++) {
1861
        p = i ? strchr(p, ',') + 1 : kf;
1862
        t = parse_time_or_die("force_key_frames", p, 1);
1863
        ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1864
    }
1865
}
1866
1867 85f07f22 Fabrice Bellard
/*
1868
 * The following code is the main loop of the file converter
1869
 */
1870 3aace1bc Stefano Sabatini
static int transcode(AVFormatContext **output_files,
1871 065a20cb Stefano Sabatini
                     int nb_output_files,
1872
                     AVFormatContext **input_files,
1873
                     int nb_input_files,
1874
                     AVStreamMap *stream_maps, int nb_stream_maps)
1875 85f07f22 Fabrice Bellard
{
1876 002c95d7 Baptiste Coudurier
    int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1877 85f07f22 Fabrice Bellard
    AVFormatContext *is, *os;
1878
    AVCodecContext *codec, *icodec;
1879
    AVOutputStream *ost, **ost_table = NULL;
1880
    AVInputStream *ist, **ist_table = NULL;
1881 bdc4796f Fabrice Bellard
    AVInputFile *file_table;
1882 002c95d7 Baptiste Coudurier
    char error[1024];
1883 6d1ba1ac Luca Abeni
    int want_sdp = 1;
1884 545465ec Michael Niedermayer
    uint8_t no_packet[MAX_FILES]={0};
1885
    int no_packet_count=0;
1886 bdc4796f Fabrice Bellard
1887 90901860 Michael Niedermayer
    file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1888 bdc4796f Fabrice Bellard
    if (!file_table)
1889
        goto fail;
1890 115329f1 Diego Biurrun
1891 85f07f22 Fabrice Bellard
    /* input stream init */
1892
    j = 0;
1893
    for(i=0;i<nb_input_files;i++) {
1894
        is = input_files[i];
1895
        file_table[i].ist_index = j;
1896 79fdaa4c Fabrice Bellard
        file_table[i].nb_streams = is->nb_streams;
1897 85f07f22 Fabrice Bellard
        j += is->nb_streams;
1898
    }
1899
    nb_istreams = j;
1900
1901
    ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1902
    if (!ist_table)
1903 bdc4796f Fabrice Bellard
        goto fail;
1904 115329f1 Diego Biurrun
1905 85f07f22 Fabrice Bellard
    for(i=0;i<nb_istreams;i++) {
1906
        ist = av_mallocz(sizeof(AVInputStream));
1907
        if (!ist)
1908
            goto fail;
1909
        ist_table[i] = ist;
1910
    }
1911
    j = 0;
1912
    for(i=0;i<nb_input_files;i++) {
1913
        is = input_files[i];
1914
        for(k=0;k<is->nb_streams;k++) {
1915
            ist = ist_table[j++];
1916
            ist->st = is->streams[k];
1917
            ist->file_index = i;
1918
            ist->index = k;
1919
            ist->discard = 1; /* the stream is discarded by default
1920
                                 (changed later) */
1921 bdfcbbed Max Krasnyansky
1922 3a25ca18 Stefano Sabatini
            if (rate_emu) {
1923 bdfcbbed Max Krasnyansky
                ist->start = av_gettime();
1924
            }
1925 85f07f22 Fabrice Bellard
        }
1926
    }
1927
1928
    /* output stream init */
1929
    nb_ostreams = 0;
1930
    for(i=0;i<nb_output_files;i++) {
1931
        os = output_files[i];
1932 bb62d5c1 Anton Khirnov
        if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1933 610219a5 Anton Khirnov
            av_dump_format(output_files[i], i, output_files[i]->filename, 1);
1934 fc5d0db5 Stefano Sabatini
            fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1935 d62ccec8 Jai Menon
            ret = AVERROR(EINVAL);
1936
            goto fail;
1937 8a7bde1c Baptiste Coudurier
        }
1938 85f07f22 Fabrice Bellard
        nb_ostreams += os->nb_streams;
1939
    }
1940
    if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1941
        fprintf(stderr, "Number of stream maps must match number of output streams\n");
1942 d62ccec8 Jai Menon
        ret = AVERROR(EINVAL);
1943
        goto fail;
1944 85f07f22 Fabrice Bellard
    }
1945
1946 bd073980 Brian Foley
    /* Sanity check the mapping args -- do the input files & streams exist? */
1947
    for(i=0;i<nb_stream_maps;i++) {
1948
        int fi = stream_maps[i].file_index;
1949
        int si = stream_maps[i].stream_index;
1950 115329f1 Diego Biurrun
1951 bd073980 Brian Foley
        if (fi < 0 || fi > nb_input_files - 1 ||
1952
            si < 0 || si > file_table[fi].nb_streams - 1) {
1953
            fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1954 d62ccec8 Jai Menon
            ret = AVERROR(EINVAL);
1955
            goto fail;
1956 bd073980 Brian Foley
        }
1957 b4a3389e Wolfram Gloger
        fi = stream_maps[i].sync_file_index;
1958
        si = stream_maps[i].sync_stream_index;
1959
        if (fi < 0 || fi > nb_input_files - 1 ||
1960
            si < 0 || si > file_table[fi].nb_streams - 1) {
1961
            fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1962 d62ccec8 Jai Menon
            ret = AVERROR(EINVAL);
1963
            goto fail;
1964 b4a3389e Wolfram Gloger
        }
1965 bd073980 Brian Foley
    }
1966 115329f1 Diego Biurrun
1967 85f07f22 Fabrice Bellard
    ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1968
    if (!ost_table)
1969
        goto fail;
1970
    n = 0;
1971
    for(k=0;k<nb_output_files;k++) {
1972
        os = output_files[k];
1973 de427ff4 Stefano Sabatini
        for(i=0;i<os->nb_streams;i++,n++) {
1974 85f07f22 Fabrice Bellard
            int found;
1975 9fdf4b58 Nicolas George
            ost = ost_table[n] = output_streams_for_file[k][i];
1976 85f07f22 Fabrice Bellard
            ost->st = os->streams[i];
1977
            if (nb_stream_maps > 0) {
1978 de427ff4 Stefano Sabatini
                ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1979
                    stream_maps[n].stream_index;
1980 115329f1 Diego Biurrun
1981 bd073980 Brian Foley
                /* Sanity check that the stream types match */
1982 01f4895c Michael Niedermayer
                if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1983 150d5a25 Stefano Sabatini
                    int i= ost->file_index;
1984 610219a5 Anton Khirnov
                    av_dump_format(output_files[i], i, output_files[i]->filename, 1);
1985 bd073980 Brian Foley
                    fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1986 de427ff4 Stefano Sabatini
                        stream_maps[n].file_index, stream_maps[n].stream_index,
1987 bd073980 Brian Foley
                        ost->file_index, ost->index);
1988 639e4ec8 Stefano Sabatini
                    ffmpeg_exit(1);
1989 bd073980 Brian Foley
                }
1990 115329f1 Diego Biurrun
1991 85f07f22 Fabrice Bellard
            } else {
1992 247e3954 Michael Niedermayer
                int best_nb_frames=-1;
1993 3f1710e7 Ramiro Polla
                /* get corresponding input stream index : we select the first one with the right type */
1994
                found = 0;
1995
                for(j=0;j<nb_istreams;j++) {
1996
                    int skip=0;
1997
                    ist = ist_table[j];
1998
                    if(opt_programid){
1999
                        int pi,si;
2000
                        AVFormatContext *f= input_files[ ist->file_index ];
2001
                        skip=1;
2002
                        for(pi=0; pi<f->nb_programs; pi++){
2003
                            AVProgram *p= f->programs[pi];
2004
                            if(p->id == opt_programid)
2005
                                for(si=0; si<p->nb_stream_indexes; si++){
2006
                                    if(f->streams[ p->stream_index[si] ] == ist->st)
2007
                                        skip=0;
2008
                                }
2009 6d3d3b83 Michael Niedermayer
                        }
2010 3f1710e7 Ramiro Polla
                    }
2011
                    if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2012
                        ist->st->codec->codec_type == ost->st->codec->codec_type) {
2013
                        if(best_nb_frames < ist->st->codec_info_nb_frames){
2014
                            best_nb_frames= ist->st->codec_info_nb_frames;
2015
                            ost->source_index = j;
2016
                            found = 1;
2017 85f07f22 Fabrice Bellard
                        }
2018
                    }
2019 3f1710e7 Ramiro Polla
                }
2020 a15bc651 Nico Sabbi
2021
                if (!found) {
2022
                    if(! opt_programid) {
2023
                        /* try again and reuse existing stream */
2024
                        for(j=0;j<nb_istreams;j++) {
2025
                            ist = ist_table[j];
2026 6d3d3b83 Michael Niedermayer
                            if (   ist->st->codec->codec_type == ost->st->codec->codec_type
2027
                                && ist->st->discard != AVDISCARD_ALL) {
2028 a15bc651 Nico Sabbi
                                ost->source_index = j;
2029
                                found = 1;
2030
                            }
2031
                        }
2032 50e143c4 Nico Sabbi
                    }
2033 85f07f22 Fabrice Bellard
                    if (!found) {
2034 462cca10 Stefano Sabatini
                        int i= ost->file_index;
2035 610219a5 Anton Khirnov
                        av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2036 85f07f22 Fabrice Bellard
                        fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2037
                                ost->file_index, ost->index);
2038 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2039 85f07f22 Fabrice Bellard
                    }
2040
                }
2041
            }
2042
            ist = ist_table[ost->source_index];
2043
            ist->discard = 0;
2044 b4a3389e Wolfram Gloger
            ost->sync_ist = (nb_stream_maps > 0) ?
2045 de427ff4 Stefano Sabatini
                ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2046
                         stream_maps[n].sync_stream_index] : ist;
2047 85f07f22 Fabrice Bellard
        }
2048
    }
2049
2050
    /* for each output stream, we compute the right encoding parameters */
2051
    for(i=0;i<nb_ostreams;i++) {
2052
        ost = ost_table[i];
2053 365515ac Michael Niedermayer
        os = output_files[ost->file_index];
2054 85f07f22 Fabrice Bellard
        ist = ist_table[ost->source_index];
2055
2056 01f4895c Michael Niedermayer
        codec = ost->st->codec;
2057
        icodec = ist->st->codec;
2058 85f07f22 Fabrice Bellard
2059 d0abe80a Anton Khirnov
        if (metadata_streams_autocopy)
2060 7f88a5bf Ronald S. Bultje
            av_metadata_copy(&ost->st->metadata, ist->st->metadata,
2061
                             AV_METADATA_DONT_OVERWRITE);
2062 8e0d882b Aurelien Jacobs
2063 90c2295b Evgeniy Stepanov
        ost->st->disposition = ist->st->disposition;
2064 a39b76ea Michael Niedermayer
        codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2065 de961801 David Conrad
        codec->chroma_sample_location = icodec->chroma_sample_location;
2066 90c2295b Evgeniy Stepanov
2067 1629626f Fabrice Bellard
        if (ost->st->stream_copy) {
2068 b659c8b4 Luca Abeni
            uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2069
2070
            if (extra_size > INT_MAX)
2071
                goto fail;
2072
2073 1629626f Fabrice Bellard
            /* if stream_copy is selected, no need to decode or encode */
2074
            codec->codec_id = icodec->codec_id;
2075
            codec->codec_type = icodec->codec_type;
2076 365515ac Michael Niedermayer
2077
            if(!codec->codec_tag){
2078
                if(   !os->oformat->codec_tag
2079 37ce3d6b Michael Niedermayer
                   || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2080 365515ac Michael Niedermayer
                   || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2081
                    codec->codec_tag = icodec->codec_tag;
2082
            }
2083
2084 1629626f Fabrice Bellard
            codec->bit_rate = icodec->bit_rate;
2085 2dec2bb8 Michael Niedermayer
            codec->rc_max_rate    = icodec->rc_max_rate;
2086
            codec->rc_buffer_size = icodec->rc_buffer_size;
2087 b659c8b4 Luca Abeni
            codec->extradata= av_mallocz(extra_size);
2088
            if (!codec->extradata)
2089
                goto fail;
2090
            memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2091 dffbfd06 Michael Niedermayer
            codec->extradata_size= icodec->extradata_size;
2092 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){
2093 d29de719 Michael Niedermayer
                codec->time_base = icodec->time_base;
2094 3797c74b Michael Niedermayer
                codec->time_base.num *= icodec->ticks_per_frame;
2095 8abcbf2d Baptiste Coudurier
                av_reduce(&codec->time_base.num, &codec->time_base.den,
2096
                          codec->time_base.num, codec->time_base.den, INT_MAX);
2097 3797c74b Michael Niedermayer
            }else
2098 d29de719 Michael Niedermayer
                codec->time_base = ist->st->time_base;
2099 1629626f Fabrice Bellard
            switch(codec->codec_type) {
2100 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:
2101 d08e3e91 Ramiro Polla
                if(audio_volume != 256) {
2102
                    fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2103 639e4ec8 Stefano Sabatini
                    ffmpeg_exit(1);
2104 d08e3e91 Ramiro Polla
                }
2105 13367a46 Benjamin Larsson
                codec->channel_layout = icodec->channel_layout;
2106 1629626f Fabrice Bellard
                codec->sample_rate = icodec->sample_rate;
2107
                codec->channels = icodec->channels;
2108 0a3b0447 Michael Niedermayer
                codec->frame_size = icodec->frame_size;
2109 34b47d7c Justin Ruggles
                codec->audio_service_type = icodec->audio_service_type;
2110 c1344911 Michael Niedermayer
                codec->block_align= icodec->block_align;
2111 4efd6f58 Michael Niedermayer
                if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2112
                    codec->block_align= 0;
2113 bcbd328e Michael Niedermayer
                if(codec->codec_id == CODEC_ID_AC3)
2114
                    codec->block_align= 0;
2115 1629626f Fabrice Bellard
                break;
2116 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
2117 9df3437f Baptiste Coudurier
                codec->pix_fmt = icodec->pix_fmt;
2118 1629626f Fabrice Bellard
                codec->width = icodec->width;
2119
                codec->height = icodec->height;
2120 ff8cc24b Michael Niedermayer
                codec->has_b_frames = icodec->has_b_frames;
2121 1629626f Fabrice Bellard
                break;
2122 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_SUBTITLE:
2123 d43b26ea David Conrad
                codec->width = icodec->width;
2124
                codec->height = icodec->height;
2125 cf7fc795 Fabrice Bellard
                break;
2126 e3b540b4 Luca Barbato
            case AVMEDIA_TYPE_DATA:
2127
                break;
2128 1629626f Fabrice Bellard
            default:
2129 0f4e8165 Ronald S. Bultje
                abort();
2130 1629626f Fabrice Bellard
            }
2131
        } else {
2132
            switch(codec->codec_type) {
2133 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:
2134 41dd680d Michael Niedermayer
                ost->fifo= av_fifo_alloc(1024);
2135
                if(!ost->fifo)
2136 85f07f22 Fabrice Bellard
                    goto fail;
2137 5d6e4c16 Stefano Sabatini
                ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2138 2886f311 Andreas Öman
                ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2139
                icodec->request_channels = codec->channels;
2140 85f07f22 Fabrice Bellard
                ist->decoding_needed = 1;
2141
                ost->encoding_needed = 1;
2142 8afab686 Stefano Sabatini
                ost->resample_sample_fmt  = icodec->sample_fmt;
2143
                ost->resample_sample_rate = icodec->sample_rate;
2144
                ost->resample_channels    = icodec->channels;
2145 1629626f Fabrice Bellard
                break;
2146 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
2147 761c8c92 Baptiste Coudurier
                if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2148 562f22a6 Ronald S. Bultje
                    fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2149 639e4ec8 Stefano Sabatini
                    ffmpeg_exit(1);
2150 761c8c92 Baptiste Coudurier
                }
2151 2b95602e Stefano Sabatini
                ost->video_resample = codec->width   != icodec->width  ||
2152
                                      codec->height  != icodec->height ||
2153
                                      codec->pix_fmt != icodec->pix_fmt;
2154 c3f11d19 Luca Abeni
                if (ost->video_resample) {
2155 8a774d3d Baptiste Coudurier
#if !CONFIG_AVFILTER
2156 2de28abb Michael Niedermayer
                    avcodec_get_frame_defaults(&ost->pict_tmp);
2157 9d58e0a9 Baptiste Coudurier
                    if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2158
                                         codec->width, codec->height)) {
2159 eddc482d Baptiste Coudurier
                        fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2160 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2161 eddc482d Baptiste Coudurier
                    }
2162 18a54b04 Luca Abeni
                    ost->img_resample_ctx = sws_getContext(
2163 5879ea6d Stefano Sabatini
                        icodec->width,
2164
                        icodec->height,
2165 18a54b04 Luca Abeni
                            icodec->pix_fmt,
2166 0c22311b Michael Niedermayer
                            codec->width,
2167
                            codec->height,
2168 18a54b04 Luca Abeni
                            codec->pix_fmt,
2169 1435f2fa Anton Khirnov
                            ost->sws_flags, NULL, NULL, NULL);
2170 0b50ac8a Luca Abeni
                    if (ost->img_resample_ctx == NULL) {
2171
                        fprintf(stderr, "Cannot get resampling context\n");
2172 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2173 0b50ac8a Luca Abeni
                    }
2174 46847a33 Michael Niedermayer
#endif
2175 a39b76ea Michael Niedermayer
                    codec->bits_per_raw_sample= 0;
2176 85f07f22 Fabrice Bellard
                }
2177 5879ea6d Stefano Sabatini
                ost->resample_height = icodec->height;
2178
                ost->resample_width  = icodec->width;
2179 b83ccbff Michael Niedermayer
                ost->resample_pix_fmt= icodec->pix_fmt;
2180 85f07f22 Fabrice Bellard
                ost->encoding_needed = 1;
2181
                ist->decoding_needed = 1;
2182 46847a33 Michael Niedermayer
2183
#if CONFIG_AVFILTER
2184 0420bf09 Stefano Sabatini
                if (configure_video_filters(ist, ost)) {
2185 46847a33 Michael Niedermayer
                    fprintf(stderr, "Error opening filters!\n");
2186
                    exit(1);
2187
                }
2188
#endif
2189 1629626f Fabrice Bellard
                break;
2190 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_SUBTITLE:
2191 cf7fc795 Fabrice Bellard
                ost->encoding_needed = 1;
2192
                ist->decoding_needed = 1;
2193
                break;
2194 1629626f Fabrice Bellard
            default:
2195 0f4e8165 Ronald S. Bultje
                abort();
2196 cf7fc795 Fabrice Bellard
                break;
2197 85f07f22 Fabrice Bellard
            }
2198 1629626f Fabrice Bellard
            /* two pass mode */
2199 115329f1 Diego Biurrun
            if (ost->encoding_needed &&
2200 1629626f Fabrice Bellard
                (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2201
                char logfilename[1024];
2202
                FILE *f;
2203 115329f1 Diego Biurrun
2204
                snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2205 22730e87 Stefano Sabatini
                         pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2206
                         i);
2207 1629626f Fabrice Bellard
                if (codec->flags & CODEC_FLAG_PASS1) {
2208 c56e9e05 Ramiro Polla
                    f = fopen(logfilename, "wb");
2209 1629626f Fabrice Bellard
                    if (!f) {
2210 42d1d06e Stefano Sabatini
                        fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2211 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2212 1629626f Fabrice Bellard
                    }
2213
                    ost->logfile = f;
2214
                } else {
2215 458b062d Stefano Sabatini
                    char  *logbuffer;
2216
                    size_t logbuffer_size;
2217
                    if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2218
                        fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2219 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2220 1629626f Fabrice Bellard
                    }
2221
                    codec->stats_in = logbuffer;
2222 5abdb4b1 Fabrice Bellard
                }
2223
            }
2224
        }
2225 72415b2a Stefano Sabatini
        if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2226 8a6cb114 Michael Niedermayer
            int size= codec->width * codec->height;
2227 c027e91a Peter Ross
            bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2228 8a6cb114 Michael Niedermayer
        }
2229 85f07f22 Fabrice Bellard
    }
2230
2231 8a6cb114 Michael Niedermayer
    if (!bit_buffer)
2232
        bit_buffer = av_malloc(bit_buffer_size);
2233 002c95d7 Baptiste Coudurier
    if (!bit_buffer) {
2234 50f3fabc Måns Rullgård
        fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2235
                bit_buffer_size);
2236 002c95d7 Baptiste Coudurier
        ret = AVERROR(ENOMEM);
2237 8a6cb114 Michael Niedermayer
        goto fail;
2238 1629626f Fabrice Bellard
    }
2239
2240 85f07f22 Fabrice Bellard
    /* open each encoder */
2241
    for(i=0;i<nb_ostreams;i++) {
2242
        ost = ost_table[i];
2243
        if (ost->encoding_needed) {
2244 0a6d97b3 Aurelien Jacobs
            AVCodec *codec = i < nb_output_codecs ? output_codecs[i] : NULL;
2245 cb2c971d Aurelien Jacobs
            AVCodecContext *dec = ist_table[ost->source_index]->st->codec;
2246 6488cf9b Aurelien Jacobs
            if (!codec)
2247 fd2b356a Aurelien Jacobs
                codec = avcodec_find_encoder(ost->st->codec->codec_id);
2248 85f07f22 Fabrice Bellard
            if (!codec) {
2249 f356fc57 Baptiste Coudurier
                snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2250
                         ost->st->codec->codec_id, ost->file_index, ost->index);
2251 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2252
                goto dump_format;
2253 85f07f22 Fabrice Bellard
            }
2254 cb2c971d Aurelien Jacobs
            if (dec->subtitle_header) {
2255
                ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2256
                if (!ost->st->codec->subtitle_header) {
2257
                    ret = AVERROR(ENOMEM);
2258
                    goto dump_format;
2259
                }
2260
                memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2261
                ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2262
            }
2263 01f4895c Michael Niedermayer
            if (avcodec_open(ost->st->codec, codec) < 0) {
2264 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",
2265 85f07f22 Fabrice Bellard
                        ost->file_index, ost->index);
2266 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2267
                goto dump_format;
2268 85f07f22 Fabrice Bellard
            }
2269 01f4895c Michael Niedermayer
            extra_size += ost->st->codec->extradata_size;
2270 85f07f22 Fabrice Bellard
        }
2271
    }
2272
2273
    /* open each decoder */
2274
    for(i=0;i<nb_istreams;i++) {
2275
        ist = ist_table[i];
2276
        if (ist->decoding_needed) {
2277 311e223f Aurelien Jacobs
            AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL;
2278 6488cf9b Aurelien Jacobs
            if (!codec)
2279 fd2b356a Aurelien Jacobs
                codec = avcodec_find_decoder(ist->st->codec->codec_id);
2280 85f07f22 Fabrice Bellard
            if (!codec) {
2281 f356fc57 Baptiste Coudurier
                snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2282 01f4895c Michael Niedermayer
                        ist->st->codec->codec_id, ist->file_index, ist->index);
2283 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2284
                goto dump_format;
2285 85f07f22 Fabrice Bellard
            }
2286 01f4895c Michael Niedermayer
            if (avcodec_open(ist->st->codec, codec) < 0) {
2287 f356fc57 Baptiste Coudurier
                snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2288 85f07f22 Fabrice Bellard
                        ist->file_index, ist->index);
2289 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2290
                goto dump_format;
2291 85f07f22 Fabrice Bellard
            }
2292 72415b2a Stefano Sabatini
            //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2293 01f4895c Michael Niedermayer
            //    ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2294 85f07f22 Fabrice Bellard
        }
2295
    }
2296
2297
    /* init pts */
2298
    for(i=0;i<nb_istreams;i++) {
2299 b8c93c48 Michael Niedermayer
        AVStream *st;
2300 85f07f22 Fabrice Bellard
        ist = ist_table[i];
2301 b8c93c48 Michael Niedermayer
        st= ist->st;
2302
        ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2303 48291040 Michael Niedermayer
        ist->next_pts = AV_NOPTS_VALUE;
2304 0ff4f0c0 Alexander Strange
        init_pts_correction(&ist->pts_ctx);
2305 ff4905a5 Michael Niedermayer
        ist->is_start = 1;
2306 85f07f22 Fabrice Bellard
    }
2307 c5e1e982 Justin Johnson
2308 0a38bafd Patrice Bensoussan
    /* set meta data information from input file if required */
2309
    for (i=0;i<nb_meta_data_maps;i++) {
2310 1829e195 Anton Khirnov
        AVFormatContext *files[2];
2311
        AVMetadata      **meta[2];
2312
        int j;
2313 0a38bafd Patrice Bensoussan
2314 1829e195 Anton Khirnov
#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2315
        if ((index) < 0 || (index) >= (nb_elems)) {\
2316
            snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\
2317
                     (desc), (index));\
2318
            ret = AVERROR(EINVAL);\
2319
            goto dump_format;\
2320 115329f1 Diego Biurrun
        }
2321
2322 1829e195 Anton Khirnov
        int out_file_index = meta_data_maps[i][0].file;
2323
        int in_file_index = meta_data_maps[i][1].file;
2324 7b393736 Anton Khirnov
        if (in_file_index < 0 || out_file_index < 0)
2325
            continue;
2326 1829e195 Anton Khirnov
        METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
2327
        METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
2328 0a38bafd Patrice Bensoussan
2329 1829e195 Anton Khirnov
        files[0] = output_files[out_file_index];
2330
        files[1] = input_files[in_file_index];
2331
2332
        for (j = 0; j < 2; j++) {
2333
            AVMetaDataMap *map = &meta_data_maps[i][j];
2334
2335
            switch (map->type) {
2336
            case 'g':
2337
                meta[j] = &files[j]->metadata;
2338
                break;
2339
            case 's':
2340
                METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
2341
                meta[j] = &files[j]->streams[map->index]->metadata;
2342
                break;
2343
            case 'c':
2344
                METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
2345
                meta[j] = &files[j]->chapters[map->index]->metadata;
2346
                break;
2347
            case 'p':
2348
                METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
2349
                meta[j] = &files[j]->programs[map->index]->metadata;
2350
                break;
2351
            }
2352
        }
2353 a5926d85 Aurelien Jacobs
2354 7f88a5bf Ronald S. Bultje
        av_metadata_copy(meta[0], *meta[1], AV_METADATA_DONT_OVERWRITE);
2355 0a38bafd Patrice Bensoussan
    }
2356 115329f1 Diego Biurrun
2357 477b1aea Anton Khirnov
    /* copy global metadata by default */
2358
    if (metadata_global_autocopy) {
2359
2360 8e8a3cc2 Ronald S. Bultje
        for (i = 0; i < nb_output_files; i++)
2361 7f88a5bf Ronald S. Bultje
            av_metadata_copy(&output_files[i]->metadata, input_files[0]->metadata,
2362
                             AV_METADATA_DONT_OVERWRITE);
2363 477b1aea Anton Khirnov
    }
2364
2365 91e96eba Anton Khirnov
    /* copy chapters according to chapter maps */
2366
    for (i = 0; i < nb_chapter_maps; i++) {
2367
        int infile  = chapter_maps[i].in_file;
2368
        int outfile = chapter_maps[i].out_file;
2369
2370
        if (infile < 0 || outfile < 0)
2371
            continue;
2372
        if (infile >= nb_input_files) {
2373
            snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile);
2374
            ret = AVERROR(EINVAL);
2375
            goto dump_format;
2376
        }
2377
        if (outfile >= nb_output_files) {
2378
            snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile);
2379
            ret = AVERROR(EINVAL);
2380
            goto dump_format;
2381
        }
2382
        copy_chapters(infile, outfile);
2383
    }
2384
2385 7a39f142 Anton Khirnov
    /* copy chapters from the first input file that has them*/
2386 91e96eba Anton Khirnov
    if (!nb_chapter_maps)
2387 a9c2bf9d Anton Khirnov
        for (i = 0; i < nb_input_files; i++) {
2388
            if (!input_files[i]->nb_chapters)
2389
                continue;
2390 7a39f142 Anton Khirnov
2391 a9c2bf9d Anton Khirnov
            for (j = 0; j < nb_output_files; j++)
2392
                if ((ret = copy_chapters(i, j)) < 0)
2393
                    goto dump_format;
2394 09f47fa4 Anton Khirnov
            break;
2395 a9c2bf9d Anton Khirnov
        }
2396 7a39f142 Anton Khirnov
2397 85f07f22 Fabrice Bellard
    /* open files and write file headers */
2398
    for(i=0;i<nb_output_files;i++) {
2399
        os = output_files[i];
2400 79fdaa4c Fabrice Bellard
        if (av_write_header(os) < 0) {
2401 002c95d7 Baptiste Coudurier
            snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2402 8fa36ae0 François Revol
            ret = AVERROR(EINVAL);
2403 002c95d7 Baptiste Coudurier
            goto dump_format;
2404 a38469e1 Fabrice Bellard
        }
2405 6d1ba1ac Luca Abeni
        if (strcmp(output_files[i]->oformat->name, "rtp")) {
2406
            want_sdp = 0;
2407
        }
2408
    }
2409 002c95d7 Baptiste Coudurier
2410
 dump_format:
2411
    /* dump the file output parameters - cannot be done before in case
2412
       of stream copy */
2413
    for(i=0;i<nb_output_files;i++) {
2414 610219a5 Anton Khirnov
        av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2415 002c95d7 Baptiste Coudurier
    }
2416
2417
    /* dump the stream mapping */
2418
    if (verbose >= 0) {
2419
        fprintf(stderr, "Stream mapping:\n");
2420
        for(i=0;i<nb_ostreams;i++) {
2421
            ost = ost_table[i];
2422
            fprintf(stderr, "  Stream #%d.%d -> #%d.%d",
2423
                    ist_table[ost->source_index]->file_index,
2424
                    ist_table[ost->source_index]->index,
2425
                    ost->file_index,
2426
                    ost->index);
2427
            if (ost->sync_ist != ist_table[ost->source_index])
2428
                fprintf(stderr, " [sync #%d.%d]",
2429
                        ost->sync_ist->file_index,
2430
                        ost->sync_ist->index);
2431
            fprintf(stderr, "\n");
2432
        }
2433
    }
2434
2435
    if (ret) {
2436
        fprintf(stderr, "%s\n", error);
2437
        goto fail;
2438
    }
2439
2440 6d1ba1ac Luca Abeni
    if (want_sdp) {
2441
        print_sdp(output_files, nb_output_files);
2442 85f07f22 Fabrice Bellard
    }
2443
2444 8fb566fd Anton Khirnov
    if (verbose >= 0)
2445 cb48e245 Panagiotis H.M. Issaris
        fprintf(stderr, "Press ctrl-c to stop encoding\n");
2446 a38469e1 Fabrice Bellard
    term_init();
2447
2448 7fc98937 Limin Wang
    timer_start = av_gettime();
2449 51bd4565 Philip Gladstone
2450 d9a916e2 Charles Yates
    for(; received_sigterm == 0;) {
2451 85f07f22 Fabrice Bellard
        int file_index, ist_index;
2452
        AVPacket pkt;
2453 a9aeda81 Patrice Bensoussan
        double ipts_min;
2454
        double opts_min;
2455 23ffe323 Michael Niedermayer
2456 85f07f22 Fabrice Bellard
    redo:
2457 a9aeda81 Patrice Bensoussan
        ipts_min= 1e100;
2458
        opts_min= 1e100;
2459 a38469e1 Fabrice Bellard
2460 ec5517d5 Fabrice Bellard
        /* select the stream that we must read now by looking at the
2461
           smallest output pts */
2462 85f07f22 Fabrice Bellard
        file_index = -1;
2463 ec5517d5 Fabrice Bellard
        for(i=0;i<nb_ostreams;i++) {
2464 23ffe323 Michael Niedermayer
            double ipts, opts;
2465 ec5517d5 Fabrice Bellard
            ost = ost_table[i];
2466
            os = output_files[ost->file_index];
2467
            ist = ist_table[ost->source_index];
2468 55a7e946 Wolfram Gloger
            if(ist->is_past_recording_time || no_packet[ist->file_index])
2469 545465ec Michael Niedermayer
                continue;
2470 c0df9d75 Michael Niedermayer
                opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2471 23ffe323 Michael Niedermayer
            ipts = (double)ist->pts;
2472
            if (!file_table[ist->file_index].eof_reached){
2473
                if(ipts < ipts_min) {
2474
                    ipts_min = ipts;
2475
                    if(input_sync ) file_index = ist->file_index;
2476
                }
2477
                if(opts < opts_min) {
2478
                    opts_min = opts;
2479
                    if(!input_sync) file_index = ist->file_index;
2480
                }
2481 85f07f22 Fabrice Bellard
            }
2482 01f4895c Michael Niedermayer
            if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2483 7ca60994 Michael Niedermayer
                file_index= -1;
2484
                break;
2485
            }
2486 85f07f22 Fabrice Bellard
        }
2487
        /* if none, if is finished */
2488 51bd4565 Philip Gladstone
        if (file_index < 0) {
2489 545465ec Michael Niedermayer
            if(no_packet_count){
2490
                no_packet_count=0;
2491
                memset(no_packet, 0, sizeof(no_packet));
2492 d61f30a7 Michael Niedermayer
                usleep(10000);
2493 545465ec Michael Niedermayer
                continue;
2494
            }
2495 85f07f22 Fabrice Bellard
            break;
2496 ec5517d5 Fabrice Bellard
        }
2497
2498 b6e16b86 Calcium
        /* finish if limit size exhausted */
2499 a2704c97 Anton Khirnov
        if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2500 b6e16b86 Calcium
            break;
2501
2502 254abc2e Fabrice Bellard
        /* read a frame from it and output it in the fifo */
2503 85f07f22 Fabrice Bellard
        is = input_files[file_index];
2504 ad51c68c Michael Niedermayer
        ret= av_read_frame(is, &pkt);
2505 b9edbe99 Baptiste Coudurier
        if(ret == AVERROR(EAGAIN)){
2506 545465ec Michael Niedermayer
            no_packet[file_index]=1;
2507
            no_packet_count++;
2508 ad51c68c Michael Niedermayer
            continue;
2509 545465ec Michael Niedermayer
        }
2510 ad51c68c Michael Niedermayer
        if (ret < 0) {
2511 85f07f22 Fabrice Bellard
            file_table[file_index].eof_reached = 1;
2512 d24ce947 Alex Beregszaszi
            if (opt_shortest)
2513
                break;
2514
            else
2515
                continue;
2516 85f07f22 Fabrice Bellard
        }
2517 303e50e6 Michael Niedermayer
2518 545465ec Michael Niedermayer
        no_packet_count=0;
2519