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ffmpeg / ffmpeg.c @ a9f3cb93

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1 85f07f22 Fabrice Bellard
/*
2 115329f1 Diego Biurrun
 * FFmpeg main
3 01310af2 Fabrice Bellard
 * Copyright (c) 2000-2003 Fabrice Bellard
4 85f07f22 Fabrice Bellard
 *
5 b78e7197 Diego Biurrun
 * This file is part of FFmpeg.
6
 *
7
 * FFmpeg is free software; you can redistribute it and/or
8 bf5af568 Fabrice Bellard
 * modify it under the terms of the GNU Lesser General Public
9
 * License as published by the Free Software Foundation; either
10 b78e7197 Diego Biurrun
 * version 2.1 of the License, or (at your option) any later version.
11 85f07f22 Fabrice Bellard
 *
12 b78e7197 Diego Biurrun
 * FFmpeg is distributed in the hope that it will be useful,
13 85f07f22 Fabrice Bellard
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 bf5af568 Fabrice Bellard
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15
 * Lesser General Public License for more details.
16 85f07f22 Fabrice Bellard
 *
17 bf5af568 Fabrice Bellard
 * You should have received a copy of the GNU Lesser General Public
18 b78e7197 Diego Biurrun
 * License along with FFmpeg; if not, write to the Free Software
19 5509bffa Diego Biurrun
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 85f07f22 Fabrice Bellard
 */
21 364a9607 Diego Biurrun
22 7246177d Aurelien Jacobs
/* needed for usleep() */
23 d0feff2a Diego Biurrun
#define _XOPEN_SOURCE 600
24 7246177d Aurelien Jacobs
25 0f4e8165 Ronald S. Bultje
#include "config.h"
26
#include <ctype.h>
27
#include <string.h>
28
#include <math.h>
29
#include <stdlib.h>
30
#include <errno.h>
31 d86b83f8 Ramiro Polla
#include <signal.h>
32 22f7a060 Michael Niedermayer
#include <limits.h>
33 7246177d Aurelien Jacobs
#include <unistd.h>
34 245976da Diego Biurrun
#include "libavformat/avformat.h"
35
#include "libavdevice/avdevice.h"
36
#include "libswscale/swscale.h"
37
#include "libavcodec/opt.h"
38 ce1ee094 Peter Ross
#include "libavcodec/audioconvert.h"
39 ecfe3929 Stefano Sabatini
#include "libavcodec/colorspace.h"
40 245976da Diego Biurrun
#include "libavutil/fifo.h"
41 718c7b18 Stefano Sabatini
#include "libavutil/pixdesc.h"
42 245976da Diego Biurrun
#include "libavutil/avstring.h"
43 335ee1aa Måns Rullgård
#include "libavutil/libm.h"
44 245976da Diego Biurrun
#include "libavformat/os_support.h"
45 daf8e955 Fabrice Bellard
46 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
47
# include "libavfilter/avfilter.h"
48
# include "libavfilter/avfiltergraph.h"
49
# include "libavfilter/graphparser.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 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
70 85f07f22 Fabrice Bellard
#include <fcntl.h>
71
#include <sys/ioctl.h>
72
#include <sys/time.h>
73
#include <termios.h>
74 b250f9c6 Aurelien Jacobs
#elif HAVE_CONIO_H
75 4b54c6d0 Ramiro Polla
#include <conio.h>
76 bdc4796f Fabrice Bellard
#endif
77 bf5af568 Fabrice Bellard
#include <time.h>
78 85f07f22 Fabrice Bellard
79 01310af2 Fabrice Bellard
#include "cmdutils.h"
80
81 2b18dcd0 Michael Niedermayer
#undef NDEBUG
82
#include <assert.h>
83
84 64555bd9 Michael Niedermayer
const char program_name[] = "FFmpeg";
85 ea9c581f Stefano Sabatini
const int program_birth_year = 2000;
86 86074ed1 Stefano Sabatini
87 85f07f22 Fabrice Bellard
/* select an input stream for an output stream */
88
typedef struct AVStreamMap {
89
    int file_index;
90
    int stream_index;
91 b4a3389e Wolfram Gloger
    int sync_file_index;
92
    int sync_stream_index;
93 85f07f22 Fabrice Bellard
} AVStreamMap;
94
95 0a38bafd Patrice Bensoussan
/** select an input file for an output file */
96
typedef struct AVMetaDataMap {
97
    int out_file;
98
    int in_file;
99
} AVMetaDataMap;
100
101 580a6c57 Diego Pettenò
static const OptionDef options[];
102 85f07f22 Fabrice Bellard
103 60402344 Jai Menon
#define MAX_FILES 100
104 85f07f22 Fabrice Bellard
105 ef6fc647 Stefano Sabatini
static const char *last_asked_format = NULL;
106 85f07f22 Fabrice Bellard
static AVFormatContext *input_files[MAX_FILES];
107 a6a92a9a Wolfram Gloger
static int64_t input_files_ts_offset[MAX_FILES];
108 8833f375 Michael Niedermayer
static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
109 6488cf9b Aurelien Jacobs
static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
110 85f07f22 Fabrice Bellard
static int nb_input_files = 0;
111 6488cf9b Aurelien Jacobs
static int nb_icodecs;
112 85f07f22 Fabrice Bellard
113
static AVFormatContext *output_files[MAX_FILES];
114 6488cf9b Aurelien Jacobs
static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
115 85f07f22 Fabrice Bellard
static int nb_output_files = 0;
116 6488cf9b Aurelien Jacobs
static int nb_ocodecs;
117 85f07f22 Fabrice Bellard
118 f44fd374 Stefano Sabatini
static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
119 85f07f22 Fabrice Bellard
static int nb_stream_maps;
120
121 0a38bafd Patrice Bensoussan
static AVMetaDataMap meta_data_maps[MAX_FILES];
122
static int nb_meta_data_maps;
123
124 55cf1959 Michael Niedermayer
static int frame_width  = 0;
125
static int frame_height = 0;
126 880e8ba7 Roman Shaposhnik
static float frame_aspect_ratio = 0;
127 644a9262 Michael Niedermayer
static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
128 ce1ee094 Peter Ross
static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
129 ab6d194a Michael Niedermayer
static int frame_topBand  = 0;
130
static int frame_bottomBand = 0;
131
static int frame_leftBand  = 0;
132
static int frame_rightBand = 0;
133 cf7fc795 Fabrice Bellard
static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
134 89129c6b Diego Biurrun
static AVRational frame_rate;
135 158c7f05 Michael Niedermayer
static float video_qscale = 0;
136 84f608f4 Vidar Madsen
static uint16_t *intra_matrix = NULL;
137
static uint16_t *inter_matrix = NULL;
138 464a631c Morten Hustveit
static const char *video_rc_override_string=NULL;
139 85f07f22 Fabrice Bellard
static int video_disable = 0;
140 f3356e9c Michael Niedermayer
static int video_discard = 0;
141 4a897224 Nicolas George
static char *video_codec_name = NULL;
142 b2a2197e Michael Niedermayer
static int video_codec_tag = 0;
143 0fc2c0f6 Matthieu Crapet
static char *video_language = NULL;
144 85f07f22 Fabrice Bellard
static int same_quality = 0;
145 cfcf0ffd Fabrice Bellard
static int do_deinterlace = 0;
146 bb198e19 Michael Niedermayer
static int top_field_first = -1;
147 f4f3223f Michael Niedermayer
static int me_threshold = 0;
148 1a11cbcc Michael Niedermayer
static int intra_dc_precision = 8;
149 5894e1bb Víctor Paesa
static int loop_input = 0;
150 8108551a Todd Kirby
static int loop_output = AVFMT_NOOUTPUTLOOP;
151 0888fd22 Michael Niedermayer
static int qp_hist = 0;
152 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
153
static char *vfilters = NULL;
154 aa1249b8 Baptiste Coudurier
AVFilterGraph *graph = NULL;
155 46847a33 Michael Niedermayer
#endif
156 85f07f22 Fabrice Bellard
157
static int intra_only = 0;
158
static int audio_sample_rate = 44100;
159 13367a46 Benjamin Larsson
static int64_t channel_layout = 0;
160 c57c770d Justin Ruggles
#define QSCALE_NONE -99999
161
static float audio_qscale = QSCALE_NONE;
162 85f07f22 Fabrice Bellard
static int audio_disable = 0;
163
static int audio_channels = 1;
164 4a897224 Nicolas George
static char  *audio_codec_name = NULL;
165 b2a2197e Michael Niedermayer
static int audio_codec_tag = 0;
166 cf7fc795 Fabrice Bellard
static char *audio_language = NULL;
167
168 11bf3847 Aurelien Jacobs
static int subtitle_disable = 0;
169 4a897224 Nicolas George
static char *subtitle_codec_name = NULL;
170 cf7fc795 Fabrice Bellard
static char *subtitle_language = NULL;
171 27ad7d3a Baptiste Coudurier
static int subtitle_codec_tag = 0;
172 85f07f22 Fabrice Bellard
173 17c88cb0 Michael Niedermayer
static float mux_preload= 0.5;
174
static float mux_max_delay= 0.7;
175 2db3c638 Michael Niedermayer
176 fc7ad2af Stefano Sabatini
static int64_t recording_time = INT64_MAX;
177 8831db5c Michael Niedermayer
static int64_t start_time = 0;
178 4568325a Roman Shaposhnik
static int64_t rec_timestamp = 0;
179 a6a92a9a Wolfram Gloger
static int64_t input_ts_offset = 0;
180 85f07f22 Fabrice Bellard
static int file_overwrite = 0;
181 a5926d85 Aurelien Jacobs
static int metadata_count;
182
static AVMetadataTag *metadata;
183 5727b222 Fabrice Bellard
static int do_benchmark = 0;
184 a0663ba4 Fabrice Bellard
static int do_hex_dump = 0;
185 254abc2e Fabrice Bellard
static int do_pkt_dump = 0;
186 43f1708f Juanjo
static int do_psnr = 0;
187 5abdb4b1 Fabrice Bellard
static int do_pass = 0;
188 ad16627f Stefano Sabatini
static char *pass_logfilename_prefix = NULL;
189 1629626f Fabrice Bellard
static int audio_stream_copy = 0;
190
static int video_stream_copy = 0;
191 cf7fc795 Fabrice Bellard
static int subtitle_stream_copy = 0;
192 8858816d Michael Niedermayer
static int video_sync_method= -1;
193 986ebcdb Michael Niedermayer
static int audio_sync_method= 0;
194 d4d226a8 Michael Niedermayer
static float audio_drift_threshold= 0.1;
195 72bd8100 Michael Niedermayer
static int copy_ts= 0;
196 76bdac6d Stefano Sabatini
static int opt_shortest = 0;
197 90ad92b3 Michael Niedermayer
static int video_global_header = 0;
198 b60d1379 Stefano Sabatini
static char *vstats_filename;
199 032aa7df Stefano Sabatini
static FILE *vstats_file;
200 50e143c4 Nico Sabbi
static int opt_programid = 0;
201 50e3477f Wolfram Gloger
static int copy_initial_nonkeyframes = 0;
202 5abdb4b1 Fabrice Bellard
203 bdfcbbed Max Krasnyansky
static int rate_emu = 0;
204
205 a5df11ab Fabrice Bellard
static int  video_channel = 0;
206 df0cecdd Luca Abeni
static char *video_standard;
207 79a7c268 Fabrice Bellard
208 a9aa3467 Michael Niedermayer
static int audio_volume = 256;
209 8aa3ee32 Max Krasnyansky
210 f2abc559 Baptiste Coudurier
static int exit_on_error = 0;
211 d9a916e2 Charles Yates
static int using_stdin = 0;
212 f068206e Bill Eldridge
static int verbose = 1;
213 9c3d33d6 Michael Niedermayer
static int thread_count= 1;
214 b51469a0 Leon van Stuivenberg
static int q_pressed = 0;
215 1008ceb3 Michael Niedermayer
static int64_t video_size = 0;
216
static int64_t audio_size = 0;
217
static int64_t extra_size = 0;
218 a6a92a9a Wolfram Gloger
static int nb_frames_dup = 0;
219
static int nb_frames_drop = 0;
220 6e454c38 Luca Abeni
static int input_sync;
221 76bdac6d Stefano Sabatini
static uint64_t limit_filesize = 0;
222 d2845b75 Stefano Sabatini
static int force_fps = 0;
223 d9a916e2 Charles Yates
224 5b6d5596 Michael Niedermayer
static int pgmyuv_compatibility_hack=0;
225 a8482aab Michael Niedermayer
static float dts_delta_threshold = 10;
226 5b6d5596 Michael Niedermayer
227 e60da588 Michael Niedermayer
static unsigned int sws_flags = SWS_BICUBIC;
228 18a54b04 Luca Abeni
229 29cc1c23 Benoit Fouet
static int64_t timer_start;
230 8bbf6db9 Michael Niedermayer
231 3321cb3f Baptiste Coudurier
static uint8_t *audio_buf;
232
static uint8_t *audio_out;
233 b8919a30 Michael Niedermayer
unsigned int allocated_audio_out_size, allocated_audio_buf_size;
234 3321cb3f Baptiste Coudurier
235
static short *samples;
236
237 748c2fca Michael Niedermayer
static AVBitStreamFilterContext *video_bitstream_filters=NULL;
238
static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
239 e1cc8339 Reimar Döffinger
static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
240 748c2fca Michael Niedermayer
static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
241 5b6d5596 Michael Niedermayer
242 ad16627f Stefano Sabatini
#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
243 85f07f22 Fabrice Bellard
244 b4a3389e Wolfram Gloger
struct AVInputStream;
245
246 85f07f22 Fabrice Bellard
typedef struct AVOutputStream {
247
    int file_index;          /* file index */
248
    int index;               /* stream index in the output file */
249
    int source_index;        /* AVInputStream index */
250
    AVStream *st;            /* stream in the output file */
251 ec5517d5 Fabrice Bellard
    int encoding_needed;     /* true if encoding needed for this stream */
252
    int frame_number;
253
    /* input pts and corresponding output pts
254
       for A/V sync */
255 b4a3389e Wolfram Gloger
    //double sync_ipts;        /* dts from the AVPacket of the demuxer in second units */
256
    struct AVInputStream *sync_ist; /* input stream to sync against */
257 e928649b Michael Niedermayer
    int64_t sync_opts;       /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
258 85f07f22 Fabrice Bellard
    /* video only */
259 07d0cdfc Luca Abeni
    int video_resample;
260 a4d36c11 Michael Niedermayer
    AVFrame pict_tmp;      /* temporary image for resampling */
261 18a54b04 Luca Abeni
    struct SwsContext *img_resample_ctx; /* for image resampling */
262
    int resample_height;
263 352666c1 Eric Buehl
    int resample_width;
264 01a3c821 Jason Garrett-Glaser
    int resample_pix_fmt;
265 34b10a57 Dieter
266 352666c1 Eric Buehl
    /* full frame size of first frame */
267
    int original_height;
268
    int original_width;
269
270
    /* cropping area sizes */
271 07d0cdfc Luca Abeni
    int video_crop;
272 352666c1 Eric Buehl
    int topBand;
273
    int bottomBand;
274 34b10a57 Dieter
    int leftBand;
275 352666c1 Eric Buehl
    int rightBand;
276
277
    /* cropping area of first frame */
278
    int original_topBand;
279
    int original_bottomBand;
280
    int original_leftBand;
281
    int original_rightBand;
282 115329f1 Diego Biurrun
283 85f07f22 Fabrice Bellard
    /* audio only */
284
    int audio_resample;
285
    ReSampleContext *resample; /* for audio resampling */
286 a79db0f7 Peter Ross
    int reformat_pair;
287
    AVAudioConvert *reformat_ctx;
288 41dd680d Michael Niedermayer
    AVFifoBuffer *fifo;     /* for compression: one audio fifo per codec */
289 5abdb4b1 Fabrice Bellard
    FILE *logfile;
290 85f07f22 Fabrice Bellard
} AVOutputStream;
291
292
typedef struct AVInputStream {
293
    int file_index;
294
    int index;
295
    AVStream *st;
296
    int discard;             /* true if stream data should be discarded */
297
    int decoding_needed;     /* true if the packets must be decoded in 'raw_fifo' */
298 0c1a9eda Zdenek Kabelac
    int64_t sample_index;      /* current sample */
299 bdfcbbed Max Krasnyansky
300
    int64_t       start;     /* time when read started */
301 254abc2e Fabrice Bellard
    int64_t       next_pts;  /* synthetic pts for cases where pkt.pts
302
                                is not defined */
303 e7d0374f Roman Shaposhnik
    int64_t       pts;       /* current pts */
304 ff4905a5 Michael Niedermayer
    int is_start;            /* is 1 at the start and after a discontinuity */
305 3ff0daf0 Michael Niedermayer
    int showed_multi_packet_warning;
306 55a7e946 Wolfram Gloger
    int is_past_recording_time;
307 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
308
    AVFilterContext *out_video_filter;
309
    AVFilterContext *input_video_filter;
310
    AVFrame *filter_frame;
311
    int has_filter_frame;
312
    AVFilterPicRef *picref;
313
#endif
314 85f07f22 Fabrice Bellard
} AVInputStream;
315
316
typedef struct AVInputFile {
317
    int eof_reached;      /* true if eof reached */
318
    int ist_index;        /* index of first stream in ist_table */
319
    int buffer_size;      /* current total buffer size */
320 79fdaa4c Fabrice Bellard
    int nb_streams;       /* nb streams we are aware of */
321 85f07f22 Fabrice Bellard
} AVInputFile;
322
323 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
324 bdc4796f Fabrice Bellard
325 85f07f22 Fabrice Bellard
/* init terminal so that we can grab keys */
326
static struct termios oldtty;
327 64f6e357 Måns Rullgård
#endif
328 85f07f22 Fabrice Bellard
329 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
330
typedef struct {
331
    int pix_fmt;
332
} FilterOutPriv;
333
334
335
static int output_init(AVFilterContext *ctx, const char *args, void *opaque)
336
{
337
    FilterOutPriv *priv = ctx->priv;
338
339
    if(!opaque) return -1;
340
341
    priv->pix_fmt = *((int *)opaque);
342
343
    return 0;
344
}
345
346
static void output_end_frame(AVFilterLink *link)
347
{
348
}
349
350
static int output_query_formats(AVFilterContext *ctx)
351
{
352
    FilterOutPriv *priv = ctx->priv;
353
    enum PixelFormat pix_fmts[] = { priv->pix_fmt, PIX_FMT_NONE };
354
355
    avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
356
    return 0;
357
}
358
359
static int get_filtered_video_pic(AVFilterContext *ctx,
360
                                  AVFilterPicRef **picref, AVFrame *pic2,
361
                                  uint64_t *pts)
362
{
363
    AVFilterPicRef *pic;
364
365
    if(avfilter_request_frame(ctx->inputs[0]))
366
        return -1;
367
    if(!(pic = ctx->inputs[0]->cur_pic))
368
        return -1;
369
    *picref = pic;
370
    ctx->inputs[0]->cur_pic = NULL;
371
372
    *pts          = pic->pts;
373
374
    memcpy(pic2->data,     pic->data,     sizeof(pic->data));
375
    memcpy(pic2->linesize, pic->linesize, sizeof(pic->linesize));
376 bdab692f Michael Niedermayer
    pic2->interlaced_frame = pic->interlaced;
377
    pic2->top_field_first  = pic->top_field_first;
378 46847a33 Michael Niedermayer
379
    return 1;
380
}
381
382
static AVFilter output_filter =
383
{
384
    .name      = "ffmpeg_output",
385
386
    .priv_size = sizeof(FilterOutPriv),
387
    .init      = output_init,
388
389
    .query_formats = output_query_formats,
390
391
    .inputs    = (AVFilterPad[]) {{ .name          = "default",
392
                                    .type          = AVMEDIA_TYPE_VIDEO,
393
                                    .end_frame     = output_end_frame,
394
                                    .min_perms     = AV_PERM_READ, },
395
                                  { .name = NULL }},
396
    .outputs   = (AVFilterPad[]) {{ .name = NULL }},
397
};
398
399
static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
400
{
401 a9f3cb93 Baptiste Coudurier
    AVFilterContext *last_filter, *filter;
402 46847a33 Michael Niedermayer
    /** filter graph containing all filters including input & output */
403
    AVCodecContext *codec = ost->st->codec;
404
    AVCodecContext *icodec = ist->st->codec;
405
    char args[255];
406
407 aa1249b8 Baptiste Coudurier
    graph = av_mallocz(sizeof(AVFilterGraph));
408 46847a33 Michael Niedermayer
409 79b90b25 Baptiste Coudurier
    if (!(ist->input_video_filter = avfilter_open(avfilter_get_by_name("buffer"), "src")))
410 46847a33 Michael Niedermayer
        return -1;
411 79b90b25 Baptiste Coudurier
    if (!(ist->out_video_filter = avfilter_open(&output_filter, "out")))
412 46847a33 Michael Niedermayer
        return -1;
413
414
    snprintf(args, 255, "%d:%d:%d", ist->st->codec->width,
415
             ist->st->codec->height, ist->st->codec->pix_fmt);
416 79b90b25 Baptiste Coudurier
    if (avfilter_init_filter(ist->input_video_filter, args, NULL))
417 46847a33 Michael Niedermayer
        return -1;
418 79b90b25 Baptiste Coudurier
    if (avfilter_init_filter(ist->out_video_filter, NULL, &codec->pix_fmt))
419 46847a33 Michael Niedermayer
        return -1;
420
421
    /* add input and output filters to the overall graph */
422 aa1249b8 Baptiste Coudurier
    avfilter_graph_add_filter(graph, ist->input_video_filter);
423
    avfilter_graph_add_filter(graph, ist->out_video_filter);
424 46847a33 Michael Niedermayer
425 a9f3cb93 Baptiste Coudurier
    last_filter = ist->input_video_filter;
426 46847a33 Michael Niedermayer
427 79b90b25 Baptiste Coudurier
    if (ost->video_crop) {
428 6e82e7fa Baptiste Coudurier
        snprintf(args, 255, "%d:%d:%d:%d", ost->leftBand, ost->topBand,
429 0c22311b Michael Niedermayer
                 codec->width,
430
                 codec->height);
431 a9f3cb93 Baptiste Coudurier
        filter = avfilter_open(avfilter_get_by_name("crop"), NULL);
432
        if (!filter)
433 46847a33 Michael Niedermayer
            return -1;
434 a9f3cb93 Baptiste Coudurier
        if (avfilter_init_filter(filter, args, NULL))
435 46847a33 Michael Niedermayer
            return -1;
436 a9f3cb93 Baptiste Coudurier
        if (avfilter_link(last_filter, 0, filter, 0))
437 46847a33 Michael Niedermayer
            return -1;
438 a9f3cb93 Baptiste Coudurier
        last_filter = filter;
439
        avfilter_graph_add_filter(graph, last_filter);
440 46847a33 Michael Niedermayer
    }
441
442
    if((codec->width !=
443 0c22311b Michael Niedermayer
        icodec->width - (frame_leftBand + frame_rightBand)) ||
444
       (codec->height != icodec->height - (frame_topBand  + frame_bottomBand))) {
445 6e82e7fa Baptiste Coudurier
        snprintf(args, 255, "%d:%d:flags=0x%X",
446 0c22311b Michael Niedermayer
                 codec->width,
447
                 codec->height,
448 46847a33 Michael Niedermayer
                 (int)av_get_int(sws_opts, "sws_flags", NULL));
449 a9f3cb93 Baptiste Coudurier
        filter = avfilter_open(avfilter_get_by_name("scale"), NULL);
450
        if (!filter)
451 46847a33 Michael Niedermayer
            return -1;
452 a9f3cb93 Baptiste Coudurier
        if (avfilter_init_filter(filter, args, NULL))
453 46847a33 Michael Niedermayer
            return -1;
454 a9f3cb93 Baptiste Coudurier
        if (avfilter_link(last_filter, 0, filter, 0))
455 46847a33 Michael Niedermayer
            return -1;
456 a9f3cb93 Baptiste Coudurier
        last_filter = filter;
457
        avfilter_graph_add_filter(graph, last_filter);
458 46847a33 Michael Niedermayer
    }
459
460 79b90b25 Baptiste Coudurier
    if (vfilters) {
461 46847a33 Michael Niedermayer
        AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
462
        AVFilterInOut *inputs  = av_malloc(sizeof(AVFilterInOut));
463
464
        outputs->name    = av_strdup("in");
465 a9f3cb93 Baptiste Coudurier
        outputs->filter  = last_filter;
466 46847a33 Michael Niedermayer
        outputs->pad_idx = 0;
467
        outputs->next    = NULL;
468
469
        inputs->name    = av_strdup("out");
470
        inputs->filter  = ist->out_video_filter;
471
        inputs->pad_idx = 0;
472
        inputs->next    = NULL;
473
474 aa1249b8 Baptiste Coudurier
        if (avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL) < 0)
475 46847a33 Michael Niedermayer
            return -1;
476
        av_freep(&vfilters);
477
    } else {
478 a9f3cb93 Baptiste Coudurier
        if (avfilter_link(last_filter, 0, ist->out_video_filter, 0) < 0)
479 46847a33 Michael Niedermayer
            return -1;
480
    }
481
482 79b90b25 Baptiste Coudurier
    snprintf(args, sizeof(args), "flags=0x%X", (int)av_get_int(sws_opts, "sws_flags", NULL));
483
    graph->scale_sws_opts = av_strdup(args);
484 46847a33 Michael Niedermayer
485
    /* configure all the filter links */
486 79b90b25 Baptiste Coudurier
    if (avfilter_graph_check_validity(graph, NULL))
487 46847a33 Michael Niedermayer
        return -1;
488 79b90b25 Baptiste Coudurier
    if (avfilter_graph_config_formats(graph, NULL))
489 46847a33 Michael Niedermayer
        return -1;
490 79b90b25 Baptiste Coudurier
    if (avfilter_graph_config_links(graph, NULL))
491 46847a33 Michael Niedermayer
        return -1;
492
493
    codec->width = ist->out_video_filter->inputs[0]->w;
494
    codec->height = ist->out_video_filter->inputs[0]->h;
495
496
    return 0;
497
}
498
#endif /* CONFIG_AVFILTER */
499
500 85f07f22 Fabrice Bellard
static void term_exit(void)
501
{
502 64f6e357 Måns Rullgård
#if HAVE_TERMIOS_H
503 85f07f22 Fabrice Bellard
    tcsetattr (0, TCSANOW, &oldtty);
504 9a9509e6 Måns Rullgård
#endif
505 64f6e357 Måns Rullgård
}
506 85f07f22 Fabrice Bellard
507 e9a832e5 Martin Storsjö
static volatile int received_sigterm = 0;
508 9680a722 Roumen Petrov
509
static void
510
sigterm_handler(int sig)
511
{
512
    received_sigterm = sig;
513
    term_exit();
514
}
515
516 85f07f22 Fabrice Bellard
static void term_init(void)
517
{
518 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
519 85f07f22 Fabrice Bellard
    struct termios tty;
520
521
    tcgetattr (0, &tty);
522
    oldtty = tty;
523 9a9509e6 Måns Rullgård
    atexit(term_exit);
524 85f07f22 Fabrice Bellard
525
    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
526
                          |INLCR|IGNCR|ICRNL|IXON);
527
    tty.c_oflag |= OPOST;
528
    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
529
    tty.c_cflag &= ~(CSIZE|PARENB);
530
    tty.c_cflag |= CS8;
531
    tty.c_cc[VMIN] = 1;
532
    tty.c_cc[VTIME] = 0;
533 115329f1 Diego Biurrun
534 85f07f22 Fabrice Bellard
    tcsetattr (0, TCSANOW, &tty);
535 d86b83f8 Ramiro Polla
    signal(SIGQUIT, sigterm_handler); /* Quit (POSIX).  */
536
#endif
537 85f07f22 Fabrice Bellard
538 9680a722 Roumen Petrov
    signal(SIGINT , sigterm_handler); /* Interrupt (ANSI).  */
539
    signal(SIGTERM, sigterm_handler); /* Termination (ANSI).  */
540 ffcc6e24 Måns Rullgård
#ifdef SIGXCPU
541
    signal(SIGXCPU, sigterm_handler);
542
#endif
543
544 b250f9c6 Aurelien Jacobs
#if CONFIG_BEOS_NETSERVER
545 9ddd71fc François Revol
    fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
546
#endif
547 85f07f22 Fabrice Bellard
}
548
549
/* read a key without blocking */
550
static int read_key(void)
551
{
552 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
553 9ddd71fc François Revol
    int n = 1;
554 85f07f22 Fabrice Bellard
    unsigned char ch;
555 b250f9c6 Aurelien Jacobs
#if !CONFIG_BEOS_NETSERVER
556 9ddd71fc François Revol
    struct timeval tv;
557 85f07f22 Fabrice Bellard
    fd_set rfds;
558
559
    FD_ZERO(&rfds);
560
    FD_SET(0, &rfds);
561
    tv.tv_sec = 0;
562
    tv.tv_usec = 0;
563
    n = select(1, &rfds, NULL, NULL, &tv);
564 9ddd71fc François Revol
#endif
565 85f07f22 Fabrice Bellard
    if (n > 0) {
566 cb09b2ed Philip Gladstone
        n = read(0, &ch, 1);
567
        if (n == 1)
568 85f07f22 Fabrice Bellard
            return ch;
569 cb09b2ed Philip Gladstone
570
        return n;
571 85f07f22 Fabrice Bellard
    }
572 b250f9c6 Aurelien Jacobs
#elif HAVE_CONIO_H
573 4b54c6d0 Ramiro Polla
    if(kbhit())
574
        return(getch());
575 d86b83f8 Ramiro Polla
#endif
576 85f07f22 Fabrice Bellard
    return -1;
577
}
578
579 b51469a0 Leon van Stuivenberg
static int decode_interrupt_cb(void)
580
{
581
    return q_pressed || (q_pressed = read_key() == 'q');
582
}
583
584 296df4e7 Ramiro Polla
static int av_exit(int ret)
585 e5295c0d Ramiro Polla
{
586
    int i;
587
588
    /* close files */
589
    for(i=0;i<nb_output_files;i++) {
590
        /* maybe av_close_output_file ??? */
591
        AVFormatContext *s = output_files[i];
592
        int j;
593 8767060c Ramiro Polla
        if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
594 e5295c0d Ramiro Polla
            url_fclose(s->pb);
595
        for(j=0;j<s->nb_streams;j++) {
596 094d9df7 Aurelien Jacobs
            av_metadata_free(&s->streams[j]->metadata);
597 e5295c0d Ramiro Polla
            av_free(s->streams[j]->codec);
598
            av_free(s->streams[j]);
599
        }
600 094d9df7 Aurelien Jacobs
        for(j=0;j<s->nb_programs;j++) {
601
            av_metadata_free(&s->programs[j]->metadata);
602
        }
603
        for(j=0;j<s->nb_chapters;j++) {
604
            av_metadata_free(&s->chapters[j]->metadata);
605
        }
606
        av_metadata_free(&s->metadata);
607 e5295c0d Ramiro Polla
        av_free(s);
608
    }
609
    for(i=0;i<nb_input_files;i++)
610
        av_close_input_file(input_files[i]);
611
612
    av_free(intra_matrix);
613
    av_free(inter_matrix);
614
615
    if (vstats_file)
616
        fclose(vstats_file);
617
    av_free(vstats_filename);
618
619
    av_free(opt_names);
620
621
    av_free(video_codec_name);
622
    av_free(audio_codec_name);
623
    av_free(subtitle_codec_name);
624
625
    av_free(video_standard);
626
627 b250f9c6 Aurelien Jacobs
#if CONFIG_POWERPC_PERF
628 9686df2b Diego Biurrun
    void powerpc_display_perf_report(void);
629 e5295c0d Ramiro Polla
    powerpc_display_perf_report();
630
#endif /* CONFIG_POWERPC_PERF */
631
632 72415b2a Stefano Sabatini
    for (i=0;i<AVMEDIA_TYPE_NB;i++)
633 5973490a Baptiste Coudurier
        av_free(avcodec_opts[i]);
634
    av_free(avformat_opts);
635
    av_free(sws_opts);
636 3321cb3f Baptiste Coudurier
    av_free(audio_buf);
637
    av_free(audio_out);
638 b8919a30 Michael Niedermayer
    allocated_audio_buf_size= allocated_audio_out_size= 0;
639 3321cb3f Baptiste Coudurier
    av_free(samples);
640 5973490a Baptiste Coudurier
641 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
642
    avfilter_uninit();
643
#endif
644
645 e5295c0d Ramiro Polla
    if (received_sigterm) {
646
        fprintf(stderr,
647
            "Received signal %d: terminating.\n",
648
            (int) received_sigterm);
649
        exit (255);
650
    }
651
652 296df4e7 Ramiro Polla
    exit(ret); /* not all OS-es handle main() return value */
653
    return ret;
654 e5295c0d Ramiro Polla
}
655
656 aa1de0d9 Ronald S. Bultje
static void choose_sample_fmt(AVStream *st, AVCodec *codec)
657
{
658
    if(codec && codec->sample_fmts){
659
        const enum SampleFormat *p= codec->sample_fmts;
660
        for(; *p!=-1; p++){
661
            if(*p == st->codec->sample_fmt)
662
                break;
663
        }
664
        if(*p == -1)
665
            st->codec->sample_fmt = codec->sample_fmts[0];
666
    }
667
}
668
669 10d0f5e0 Michael Niedermayer
static void choose_sample_rate(AVStream *st, AVCodec *codec)
670
{
671
    if(codec && codec->supported_samplerates){
672
        const int *p= codec->supported_samplerates;
673
        int best;
674
        int best_dist=INT_MAX;
675
        for(; *p; p++){
676
            int dist= abs(st->codec->sample_rate - *p);
677
            if(dist < best_dist){
678
                best_dist= dist;
679
                best= *p;
680
            }
681
        }
682 ff866063 Michael Niedermayer
        if(best_dist){
683
            av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
684
        }
685 10d0f5e0 Michael Niedermayer
        st->codec->sample_rate= best;
686
    }
687
}
688
689 aa1de0d9 Ronald S. Bultje
static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
690
{
691
    if(codec && codec->pix_fmts){
692
        const enum PixelFormat *p= codec->pix_fmts;
693
        for(; *p!=-1; p++){
694
            if(*p == st->codec->pix_fmt)
695
                break;
696
        }
697
        if(*p == -1
698
           && !(   st->codec->codec_id==CODEC_ID_MJPEG
699
                && st->codec->strict_std_compliance <= FF_COMPLIANCE_INOFFICIAL
700
                && (   st->codec->pix_fmt == PIX_FMT_YUV420P
701
                    || st->codec->pix_fmt == PIX_FMT_YUV422P)))
702
            st->codec->pix_fmt = codec->pix_fmts[0];
703
    }
704
}
705
706 b29f97d1 Zdenek Kabelac
static int read_ffserver_streams(AVFormatContext *s, const char *filename)
707 85f07f22 Fabrice Bellard
{
708 79fdaa4c Fabrice Bellard
    int i, err;
709 85f07f22 Fabrice Bellard
    AVFormatContext *ic;
710 3438d82d Baptiste Coudurier
    int nopts = 0;
711 85f07f22 Fabrice Bellard
712 79fdaa4c Fabrice Bellard
    err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
713
    if (err < 0)
714
        return err;
715 85f07f22 Fabrice Bellard
    /* copy stream format */
716
    s->nb_streams = ic->nb_streams;
717
    for(i=0;i<ic->nb_streams;i++) {
718
        AVStream *st;
719 d9521cb1 Ronald S. Bultje
        AVCodec *codec;
720 1e491e29 Michael Niedermayer
721 f37f8d4c Alex Beregszaszi
        // FIXME: a more elegant solution is needed
722 e1031171 Alex Beregszaszi
        st = av_mallocz(sizeof(AVStream));
723 85f07f22 Fabrice Bellard
        memcpy(st, ic->streams[i], sizeof(AVStream));
724 f37f8d4c Alex Beregszaszi
        st->codec = avcodec_alloc_context();
725 7ef61879 Ramiro Polla
        if (!st->codec) {
726
            print_error(filename, AVERROR(ENOMEM));
727
            av_exit(1);
728
        }
729 d9521cb1 Ronald S. Bultje
        avcodec_copy_context(st->codec, ic->streams[i]->codec);
730 85f07f22 Fabrice Bellard
        s->streams[i] = st;
731 837d248d Baptiste Coudurier
732 d9521cb1 Ronald S. Bultje
        codec = avcodec_find_encoder(st->codec->codec_id);
733
        if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
734
            if (audio_stream_copy) {
735
                st->stream_copy = 1;
736
            } else
737
                choose_sample_fmt(st, codec);
738
        } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
739
            if (video_stream_copy) {
740
                st->stream_copy = 1;
741
            } else
742
                choose_pixel_fmt(st, codec);
743
        }
744 837d248d Baptiste Coudurier
745 dbedf2aa Baptiste Coudurier
        if(!st->codec->thread_count)
746
            st->codec->thread_count = 1;
747
        if(st->codec->thread_count>1)
748
            avcodec_thread_init(st->codec, st->codec->thread_count);
749
750 3438d82d Baptiste Coudurier
        if(st->codec->flags & CODEC_FLAG_BITEXACT)
751
            nopts = 1;
752 85f07f22 Fabrice Bellard
    }
753
754 3438d82d Baptiste Coudurier
    if (!nopts)
755
        s->timestamp = av_gettime();
756
757 85f07f22 Fabrice Bellard
    av_close_input_file(ic);
758
    return 0;
759
}
760
761 b4a3389e Wolfram Gloger
static double
762
get_sync_ipts(const AVOutputStream *ost)
763
{
764
    const AVInputStream *ist = ost->sync_ist;
765 fec401f7 Michael Niedermayer
    return (double)(ist->pts - start_time)/AV_TIME_BASE;
766 b4a3389e Wolfram Gloger
}
767
768 748c2fca Michael Niedermayer
static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
769 0ac07031 Michael Niedermayer
    int ret;
770
771 748c2fca Michael Niedermayer
    while(bsfc){
772
        AVPacket new_pkt= *pkt;
773
        int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
774
                                          &new_pkt.data, &new_pkt.size,
775
                                          pkt->data, pkt->size,
776 cc947f04 Jean-Daniel Dupas
                                          pkt->flags & AV_PKT_FLAG_KEY);
777 7055cdac Benoit Fouet
        if(a>0){
778 748c2fca Michael Niedermayer
            av_free_packet(pkt);
779
            new_pkt.destruct= av_destruct_packet;
780 7055cdac Benoit Fouet
        } else if(a<0){
781 1f8e32cd Diego Biurrun
            fprintf(stderr, "%s failed for stream %d, codec %s",
782
                    bsfc->filter->name, pkt->stream_index,
783
                    avctx->codec ? avctx->codec->name : "copy");
784 7055cdac Benoit Fouet
            print_error("", a);
785 f2abc559 Baptiste Coudurier
            if (exit_on_error)
786
                av_exit(1);
787 748c2fca Michael Niedermayer
        }
788
        *pkt= new_pkt;
789
790
        bsfc= bsfc->next;
791
    }
792
793 0ac07031 Michael Niedermayer
    ret= av_interleaved_write_frame(s, pkt);
794
    if(ret < 0){
795
        print_error("av_interleaved_write_frame()", ret);
796 296df4e7 Ramiro Polla
        av_exit(1);
797 0ac07031 Michael Niedermayer
    }
798 748c2fca Michael Niedermayer
}
799
800 817b23ff Fabrice Bellard
#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
801 85f07f22 Fabrice Bellard
802 115329f1 Diego Biurrun
static void do_audio_out(AVFormatContext *s,
803
                         AVOutputStream *ost,
804 85f07f22 Fabrice Bellard
                         AVInputStream *ist,
805
                         unsigned char *buf, int size)
806
{
807 0c1a9eda Zdenek Kabelac
    uint8_t *buftmp;
808 15bfe412 Michael Niedermayer
    int64_t audio_out_size, audio_buf_size;
809 7a086a85 Michael Niedermayer
    int64_t allocated_for_size= size;
810 d66c7abc Sylvain Corré
811 85f07f22 Fabrice Bellard
    int size_out, frame_bytes, ret;
812 01f4895c Michael Niedermayer
    AVCodecContext *enc= ost->st->codec;
813 2886f311 Andreas Öman
    AVCodecContext *dec= ist->st->codec;
814 287ba997 Peter Ross
    int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
815
    int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
816 15bfe412 Michael Niedermayer
    const int coded_bps = av_get_bits_per_sample(enc->codec->id);
817
818 7a086a85 Michael Niedermayer
need_realloc:
819
    audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
820 15bfe412 Michael Niedermayer
    audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
821 8b484d0f Vitor Sessak
    audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
822 15bfe412 Michael Niedermayer
    audio_buf_size*= osize*enc->channels;
823
824
    audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
825
    if(coded_bps > 8*osize)
826
        audio_out_size= audio_out_size * coded_bps / (8*osize);
827
    audio_out_size += FF_MIN_BUFFER_SIZE;
828
829
    if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
830
        fprintf(stderr, "Buffer sizes too large\n");
831
        av_exit(1);
832
    }
833 85f07f22 Fabrice Bellard
834 b8919a30 Michael Niedermayer
    av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
835
    av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
836 e185a2f6 Michael Niedermayer
    if (!audio_buf || !audio_out){
837
        fprintf(stderr, "Out of memory in do_audio_out\n");
838
        av_exit(1);
839
    }
840 d66c7abc Sylvain Corré
841 2886f311 Andreas Öman
    if (enc->channels != dec->channels)
842
        ost->audio_resample = 1;
843
844
    if (ost->audio_resample && !ost->resample) {
845 d1e3c6fd Baptiste Coudurier
        if (dec->sample_fmt != SAMPLE_FMT_S16)
846
            fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
847
        ost->resample = av_audio_resample_init(enc->channels,    dec->channels,
848
                                               enc->sample_rate, dec->sample_rate,
849
                                               enc->sample_fmt,  dec->sample_fmt,
850
                                               16, 10, 0, 0.8);
851 2886f311 Andreas Öman
        if (!ost->resample) {
852
            fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
853
                    dec->channels, dec->sample_rate,
854
                    enc->channels, enc->sample_rate);
855 296df4e7 Ramiro Polla
            av_exit(1);
856 2886f311 Andreas Öman
        }
857
    }
858
859 a79db0f7 Peter Ross
#define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
860 d1e3c6fd Baptiste Coudurier
    if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
861 a79db0f7 Peter Ross
        MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
862
        if (ost->reformat_ctx)
863
            av_audio_convert_free(ost->reformat_ctx);
864
        ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
865
                                                   dec->sample_fmt, 1, NULL, 0);
866
        if (!ost->reformat_ctx) {
867
            fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
868
                avcodec_get_sample_fmt_name(dec->sample_fmt),
869
                avcodec_get_sample_fmt_name(enc->sample_fmt));
870
            av_exit(1);
871
        }
872
        ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
873
    }
874
875 986ebcdb Michael Niedermayer
    if(audio_sync_method){
876 115329f1 Diego Biurrun
        double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
877 41dd680d Michael Niedermayer
                - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
878 01f4895c Michael Niedermayer
        double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
879
        int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
880 ff4905a5 Michael Niedermayer
881 986ebcdb Michael Niedermayer
        //FIXME resample delay
882
        if(fabs(delta) > 50){
883 d4d226a8 Michael Niedermayer
            if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
884 ff4905a5 Michael Niedermayer
                if(byte_delta < 0){
885 f41dd5aa Michael Niedermayer
                    byte_delta= FFMAX(byte_delta, -size);
886 ff4905a5 Michael Niedermayer
                    size += byte_delta;
887
                    buf  -= byte_delta;
888
                    if(verbose > 2)
889
                        fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
890
                    if(!size)
891
                        return;
892
                    ist->is_start=0;
893
                }else{
894
                    static uint8_t *input_tmp= NULL;
895
                    input_tmp= av_realloc(input_tmp, byte_delta + size);
896
897 7a086a85 Michael Niedermayer
                    if(byte_delta > allocated_for_size - size){
898
                        allocated_for_size= byte_delta + (int64_t)size;
899
                        goto need_realloc;
900
                    }
901
                    ist->is_start=0;
902 ff4905a5 Michael Niedermayer
903
                    memset(input_tmp, 0, byte_delta);
904
                    memcpy(input_tmp + byte_delta, buf, size);
905
                    buf= input_tmp;
906
                    size += byte_delta;
907
                    if(verbose > 2)
908
                        fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
909
                }
910
            }else if(audio_sync_method>1){
911 f66e4f5f Reimar Döffinger
                int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
912 ff4905a5 Michael Niedermayer
                assert(ost->audio_resample);
913
                if(verbose > 2)
914
                    fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
915 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));
916 ff4905a5 Michael Niedermayer
                av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
917
            }
918 115329f1 Diego Biurrun
        }
919 986ebcdb Michael Niedermayer
    }else
920 b4a3389e Wolfram Gloger
        ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
921 41dd680d Michael Niedermayer
                        - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
922 85f07f22 Fabrice Bellard
923
    if (ost->audio_resample) {
924
        buftmp = audio_buf;
925 115329f1 Diego Biurrun
        size_out = audio_resample(ost->resample,
926 85f07f22 Fabrice Bellard
                                  (short *)buftmp, (short *)buf,
927 287ba997 Peter Ross
                                  size / (ist->st->codec->channels * isize));
928
        size_out = size_out * enc->channels * osize;
929 85f07f22 Fabrice Bellard
    } else {
930
        buftmp = buf;
931
        size_out = size;
932
    }
933
934 d1e3c6fd Baptiste Coudurier
    if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
935 a79db0f7 Peter Ross
        const void *ibuf[6]= {buftmp};
936 80f47250 Michael Niedermayer
        void *obuf[6]= {audio_buf};
937 287ba997 Peter Ross
        int istride[6]= {isize};
938
        int ostride[6]= {osize};
939 a79db0f7 Peter Ross
        int len= size_out/istride[0];
940
        if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
941
            printf("av_audio_convert() failed\n");
942 f2abc559 Baptiste Coudurier
            if (exit_on_error)
943
                av_exit(1);
944 a79db0f7 Peter Ross
            return;
945
        }
946 80f47250 Michael Niedermayer
        buftmp = audio_buf;
947 287ba997 Peter Ross
        size_out = len*osize;
948 a79db0f7 Peter Ross
    }
949
950 85f07f22 Fabrice Bellard
    /* now encode as many frames as possible */
951 a0663ba4 Fabrice Bellard
    if (enc->frame_size > 1) {
952 85f07f22 Fabrice Bellard
        /* output resampled raw samples */
953 41dd680d Michael Niedermayer
        if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
954 745b39d5 Stefano Sabatini
            fprintf(stderr, "av_fifo_realloc2() failed\n");
955
            av_exit(1);
956
        }
957 41dd680d Michael Niedermayer
        av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
958 85f07f22 Fabrice Bellard
959 287ba997 Peter Ross
        frame_bytes = enc->frame_size * osize * enc->channels;
960 115329f1 Diego Biurrun
961 41dd680d Michael Niedermayer
        while (av_fifo_size(ost->fifo) >= frame_bytes) {
962 e928649b Michael Niedermayer
            AVPacket pkt;
963
            av_init_packet(&pkt);
964
965 3898eed8 Reimar Döffinger
            av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
966 0871ae1a Michael Niedermayer
967 5bc440e7 Michael Niedermayer
            //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
968
969 115329f1 Diego Biurrun
            ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
970 a0663ba4 Fabrice Bellard
                                       (short *)audio_buf);
971 528271ff Michael Niedermayer
            if (ret < 0) {
972
                fprintf(stderr, "Audio encoding failed\n");
973
                av_exit(1);
974
            }
975 1008ceb3 Michael Niedermayer
            audio_size += ret;
976 e928649b Michael Niedermayer
            pkt.stream_index= ost->index;
977
            pkt.data= audio_out;
978
            pkt.size= ret;
979 e7902f20 Michael Niedermayer
            if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
980 c0df9d75 Michael Niedermayer
                pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
981 cc947f04 Jean-Daniel Dupas
            pkt.flags |= AV_PKT_FLAG_KEY;
982 748c2fca Michael Niedermayer
            write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
983 115329f1 Diego Biurrun
984 986ebcdb Michael Niedermayer
            ost->sync_opts += enc->frame_size;
985 85f07f22 Fabrice Bellard
        }
986
    } else {
987 e928649b Michael Niedermayer
        AVPacket pkt;
988
        av_init_packet(&pkt);
989 986ebcdb Michael Niedermayer
990 287ba997 Peter Ross
        ost->sync_opts += size_out / (osize * enc->channels);
991 986ebcdb Michael Niedermayer
992 a0663ba4 Fabrice Bellard
        /* output a pcm frame */
993 287ba997 Peter Ross
        /* determine the size of the coded buffer */
994
        size_out /= osize;
995
        if (coded_bps)
996 060b8592 Michael Niedermayer
            size_out = size_out*coded_bps/8;
997 287ba997 Peter Ross
998 5ee05a62 Michael Niedermayer
        if(size_out > audio_out_size){
999
            fprintf(stderr, "Internal error, buffer size too small\n");
1000
            av_exit(1);
1001
        }
1002
1003 5bc440e7 Michael Niedermayer
        //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1004 115329f1 Diego Biurrun
        ret = avcodec_encode_audio(enc, audio_out, size_out,
1005 bb270c08 Diego Biurrun
                                   (short *)buftmp);
1006 528271ff Michael Niedermayer
        if (ret < 0) {
1007
            fprintf(stderr, "Audio encoding failed\n");
1008
            av_exit(1);
1009
        }
1010 1008ceb3 Michael Niedermayer
        audio_size += ret;
1011 e928649b Michael Niedermayer
        pkt.stream_index= ost->index;
1012
        pkt.data= audio_out;
1013
        pkt.size= ret;
1014 e7902f20 Michael Niedermayer
        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1015 c0df9d75 Michael Niedermayer
            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1016 cc947f04 Jean-Daniel Dupas
        pkt.flags |= AV_PKT_FLAG_KEY;
1017 748c2fca Michael Niedermayer
        write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1018 85f07f22 Fabrice Bellard
    }
1019
}
1020
1021 10d104e4 Philip Gladstone
static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
1022
{
1023
    AVCodecContext *dec;
1024
    AVPicture *picture2;
1025
    AVPicture picture_tmp;
1026 0c1a9eda Zdenek Kabelac
    uint8_t *buf = 0;
1027 10d104e4 Philip Gladstone
1028 01f4895c Michael Niedermayer
    dec = ist->st->codec;
1029 10d104e4 Philip Gladstone
1030
    /* deinterlace : must be done before any resize */
1031 fdf11906 Diego Biurrun
    if (do_deinterlace) {
1032 10d104e4 Philip Gladstone
        int size;
1033
1034
        /* create temporary picture */
1035
        size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1036
        buf = av_malloc(size);
1037
        if (!buf)
1038
            return;
1039 115329f1 Diego Biurrun
1040 10d104e4 Philip Gladstone
        picture2 = &picture_tmp;
1041
        avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1042
1043 9e1cc598 Ramiro Polla
        if(avpicture_deinterlace(picture2, picture,
1044
                                 dec->pix_fmt, dec->width, dec->height) < 0) {
1045
            /* if error, do not deinterlace */
1046
            fprintf(stderr, "Deinterlacing failed\n");
1047
            av_free(buf);
1048
            buf = NULL;
1049
            picture2 = picture;
1050
        }
1051 10d104e4 Philip Gladstone
    } else {
1052
        picture2 = picture;
1053
    }
1054
1055
    if (picture != picture2)
1056
        *picture = *picture2;
1057
    *bufp = buf;
1058
}
1059
1060 ec5517d5 Fabrice Bellard
/* we begin to correct av delay at this threshold */
1061
#define AV_DELAY_MAX 0.100
1062 85f07f22 Fabrice Bellard
1063 115329f1 Diego Biurrun
static void do_subtitle_out(AVFormatContext *s,
1064
                            AVOutputStream *ost,
1065 cf7fc795 Fabrice Bellard
                            AVInputStream *ist,
1066
                            AVSubtitle *sub,
1067
                            int64_t pts)
1068
{
1069
    static uint8_t *subtitle_out = NULL;
1070 7f4fca03 Reimar Döffinger
    int subtitle_out_max_size = 1024 * 1024;
1071 cf7fc795 Fabrice Bellard
    int subtitle_out_size, nb, i;
1072
    AVCodecContext *enc;
1073
    AVPacket pkt;
1074
1075
    if (pts == AV_NOPTS_VALUE) {
1076
        fprintf(stderr, "Subtitle packets must have a pts\n");
1077 f2abc559 Baptiste Coudurier
        if (exit_on_error)
1078
            av_exit(1);
1079 cf7fc795 Fabrice Bellard
        return;
1080
    }
1081
1082 01f4895c Michael Niedermayer
    enc = ost->st->codec;
1083 cf7fc795 Fabrice Bellard
1084
    if (!subtitle_out) {
1085
        subtitle_out = av_malloc(subtitle_out_max_size);
1086
    }
1087
1088
    /* Note: DVB subtitle need one packet to draw them and one other
1089
       packet to clear them */
1090
    /* XXX: signal it in the codec context ? */
1091
    if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1092
        nb = 2;
1093
    else
1094
        nb = 1;
1095
1096
    for(i = 0; i < nb; i++) {
1097 4bbe788a Reimar Döffinger
        sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1098 8b03c014 Reimar Döffinger
        // start_display_time is required to be 0
1099
        sub->pts              += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1100
        sub->end_display_time -= sub->start_display_time;
1101
        sub->start_display_time = 0;
1102 115329f1 Diego Biurrun
        subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1103 cf7fc795 Fabrice Bellard
                                                    subtitle_out_max_size, sub);
1104 266649a5 Reimar Döffinger
        if (subtitle_out_size < 0) {
1105
            fprintf(stderr, "Subtitle encoding failed\n");
1106
            av_exit(1);
1107
        }
1108 115329f1 Diego Biurrun
1109 cf7fc795 Fabrice Bellard
        av_init_packet(&pkt);
1110
        pkt.stream_index = ost->index;
1111
        pkt.data = subtitle_out;
1112
        pkt.size = subtitle_out_size;
1113 8b03c014 Reimar Döffinger
        pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1114 cf7fc795 Fabrice Bellard
        if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1115
            /* XXX: the pts correction is handled here. Maybe handling
1116
               it in the codec would be better */
1117
            if (i == 0)
1118
                pkt.pts += 90 * sub->start_display_time;
1119
            else
1120
                pkt.pts += 90 * sub->end_display_time;
1121
        }
1122 748c2fca Michael Niedermayer
        write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1123 cf7fc795 Fabrice Bellard
    }
1124
}
1125
1126 8a6cb114 Michael Niedermayer
static int bit_buffer_size= 1024*256;
1127 27537106 Michael Niedermayer
static uint8_t *bit_buffer= NULL;
1128 1ff93ffc Todd Kirby
1129 115329f1 Diego Biurrun
static void do_video_out(AVFormatContext *s,
1130
                         AVOutputStream *ost,
1131 85f07f22 Fabrice Bellard
                         AVInputStream *ist,
1132 7a0f9d7e Fabrice Bellard
                         AVFrame *in_picture,
1133 986ebcdb Michael Niedermayer
                         int *frame_size)
1134 85f07f22 Fabrice Bellard
{
1135 ec5517d5 Fabrice Bellard
    int nb_frames, i, ret;
1136 46847a33 Michael Niedermayer
#if !CONFIG_AVFILTER
1137 352666c1 Eric Buehl
    int64_t topBand, bottomBand, leftBand, rightBand;
1138 46847a33 Michael Niedermayer
#endif
1139 07d0cdfc Luca Abeni
    AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
1140 18a54b04 Luca Abeni
    AVFrame picture_crop_temp, picture_pad_temp;
1141 cfcf0ffd Fabrice Bellard
    AVCodecContext *enc, *dec;
1142 47b229db Alexander Strange
    double sync_ipts;
1143 115329f1 Diego Biurrun
1144 a4d36c11 Michael Niedermayer
    avcodec_get_frame_defaults(&picture_crop_temp);
1145 07d0cdfc Luca Abeni
    avcodec_get_frame_defaults(&picture_pad_temp);
1146 a4d36c11 Michael Niedermayer
1147 01f4895c Michael Niedermayer
    enc = ost->st->codec;
1148
    dec = ist->st->codec;
1149 85f07f22 Fabrice Bellard
1150 47b229db Alexander Strange
    sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1151
1152 ec5517d5 Fabrice Bellard
    /* by default, we output a single frame */
1153
    nb_frames = 1;
1154
1155 204c0f48 Philip Gladstone
    *frame_size = 0;
1156
1157 9ff261a2 Michael Niedermayer
    if(video_sync_method){
1158 d55065a2 Alexander Strange
        double vdelta = sync_ipts - ost->sync_opts;
1159 e928649b Michael Niedermayer
        //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1160
        if (vdelta < -1.1)
1161
            nb_frames = 0;
1162 e6fdc2b1 Michael Niedermayer
        else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1163
            if(vdelta<=-0.6){
1164
                nb_frames=0;
1165
            }else if(vdelta>0.6)
1166 47b229db Alexander Strange
            ost->sync_opts= lrintf(sync_ipts);
1167 e6fdc2b1 Michael Niedermayer
        }else if (vdelta > 1.1)
1168 70122f29 Michael Niedermayer
            nb_frames = lrintf(vdelta);
1169 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);
1170 50c3dd32 Michael Niedermayer
        if (nb_frames == 0){
1171
            ++nb_frames_drop;
1172
            if (verbose>2)
1173
                fprintf(stderr, "*** drop!\n");
1174 8300609b Michael Niedermayer
        }else if (nb_frames > 1) {
1175 ed30e518 Michael Niedermayer
            nb_frames_dup += nb_frames - 1;
1176 50c3dd32 Michael Niedermayer
            if (verbose>2)
1177 8300609b Michael Niedermayer
                fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1178 50c3dd32 Michael Niedermayer
        }
1179
    }else
1180 47b229db Alexander Strange
        ost->sync_opts= lrintf(sync_ipts);
1181 445f1b83 Roman Shaposhnik
1182 72415b2a Stefano Sabatini
    nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1183 115329f1 Diego Biurrun
    if (nb_frames <= 0)
1184 85f07f22 Fabrice Bellard
        return;
1185 ce7c56c2 Juanjo
1186 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1187
    formatted_picture = in_picture;
1188
#else
1189 07d0cdfc Luca Abeni
    if (ost->video_crop) {
1190 636d6a4a Panagiotis Issaris
        if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
1191 49a06a4d Benoit Fouet
            fprintf(stderr, "error cropping picture\n");
1192 f2abc559 Baptiste Coudurier
            if (exit_on_error)
1193
                av_exit(1);
1194 4e780252 Limin Wang
            return;
1195 07d0cdfc Luca Abeni
        }
1196
        formatted_picture = &picture_crop_temp;
1197 18a54b04 Luca Abeni
    } else {
1198
        formatted_picture = in_picture;
1199 07d0cdfc Luca Abeni
    }
1200 46847a33 Michael Niedermayer
#endif
1201 07d0cdfc Luca Abeni
1202
    final_picture = formatted_picture;
1203
    padding_src = formatted_picture;
1204
    resampling_dst = &ost->pict_tmp;
1205
1206 b83ccbff Michael Niedermayer
    if(    (ost->resample_height != (ist->st->codec->height - (ost->topBand  + ost->bottomBand)))
1207
        || (ost->resample_width  != (ist->st->codec->width  - (ost->leftBand + ost->rightBand)))
1208
        || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1209
1210
        fprintf(stderr,"Input Stream #%d.%d frame size changed to %dx%d, %s\n", ist->file_index, ist->index, ist->st->codec->width,     ist->st->codec->height,avcodec_get_pix_fmt_name(ist->st->codec->pix_fmt));
1211
        if(!ost->video_resample)
1212
            av_exit(1);
1213
    }
1214
1215 46847a33 Michael Niedermayer
#if !CONFIG_AVFILTER
1216 85f07f22 Fabrice Bellard
    if (ost->video_resample) {
1217 07d0cdfc Luca Abeni
        padding_src = NULL;
1218 34b10a57 Dieter
        final_picture = &ost->pict_tmp;
1219 352666c1 Eric Buehl
        if(  (ost->resample_height != (ist->st->codec->height - (ost->topBand  + ost->bottomBand)))
1220 01a3c821 Jason Garrett-Glaser
          || (ost->resample_width  != (ist->st->codec->width  - (ost->leftBand + ost->rightBand)))
1221
          || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1222 352666c1 Eric Buehl
1223
            /* keep bands proportional to the frame size */
1224
            topBand    = ((int64_t)ist->st->codec->height * ost->original_topBand    / ost->original_height) & ~1;
1225
            bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
1226
            leftBand   = ((int64_t)ist->st->codec->width  * ost->original_leftBand   / ost->original_width)  & ~1;
1227
            rightBand  = ((int64_t)ist->st->codec->width  * ost->original_rightBand  / ost->original_width)  & ~1;
1228
1229
            /* sanity check to ensure no bad band sizes sneak in */
1230
            assert(topBand    <= INT_MAX && topBand    >= 0);
1231
            assert(bottomBand <= INT_MAX && bottomBand >= 0);
1232
            assert(leftBand   <= INT_MAX && leftBand   >= 0);
1233
            assert(rightBand  <= INT_MAX && rightBand  >= 0);
1234
1235
            ost->topBand    = topBand;
1236
            ost->bottomBand = bottomBand;
1237
            ost->leftBand   = leftBand;
1238
            ost->rightBand  = rightBand;
1239
1240
            ost->resample_height = ist->st->codec->height - (ost->topBand  + ost->bottomBand);
1241
            ost->resample_width  = ist->st->codec->width  - (ost->leftBand + ost->rightBand);
1242 01a3c821 Jason Garrett-Glaser
            ost->resample_pix_fmt= ist->st->codec->pix_fmt;
1243 352666c1 Eric Buehl
1244
            /* initialize a new scaler context */
1245
            sws_freeContext(ost->img_resample_ctx);
1246
            sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1247
            ost->img_resample_ctx = sws_getContext(
1248
                ist->st->codec->width  - (ost->leftBand + ost->rightBand),
1249
                ist->st->codec->height - (ost->topBand  + ost->bottomBand),
1250
                ist->st->codec->pix_fmt,
1251 0c22311b Michael Niedermayer
                ost->st->codec->width,
1252
                ost->st->codec->height,
1253 352666c1 Eric Buehl
                ost->st->codec->pix_fmt,
1254
                sws_flags, NULL, NULL, NULL);
1255
            if (ost->img_resample_ctx == NULL) {
1256
                fprintf(stderr, "Cannot get resampling context\n");
1257
                av_exit(1);
1258
            }
1259
        }
1260 18a54b04 Luca Abeni
        sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1261
              0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1262 f122deb4 Luca Abeni
    }
1263 46847a33 Michael Niedermayer
#endif
1264 07d0cdfc Luca Abeni
1265 85f07f22 Fabrice Bellard
    /* duplicates frame if needed */
1266 ec5517d5 Fabrice Bellard
    for(i=0;i<nb_frames;i++) {
1267 e928649b Michael Niedermayer
        AVPacket pkt;
1268
        av_init_packet(&pkt);
1269
        pkt.stream_index= ost->index;
1270
1271 e8750b00 Fred Rothganger
        if (s->oformat->flags & AVFMT_RAWPICTURE) {
1272
            /* raw pictures are written as AVPicture structure to
1273
               avoid any copies. We support temorarily the older
1274
               method. */
1275 2744ca9a Roman Shaposhnik
            AVFrame* old_frame = enc->coded_frame;
1276 bb270c08 Diego Biurrun
            enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1277 e928649b Michael Niedermayer
            pkt.data= (uint8_t *)final_picture;
1278
            pkt.size=  sizeof(AVPicture);
1279 b4dba580 Michael Niedermayer
            pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1280 cc947f04 Jean-Daniel Dupas
            pkt.flags |= AV_PKT_FLAG_KEY;
1281 e928649b Michael Niedermayer
1282 748c2fca Michael Niedermayer
            write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1283 bb270c08 Diego Biurrun
            enc->coded_frame = old_frame;
1284 e8750b00 Fred Rothganger
        } else {
1285 492cd3a9 Michael Niedermayer
            AVFrame big_picture;
1286 a4d36c11 Michael Niedermayer
1287
            big_picture= *final_picture;
1288 7a0f9d7e Fabrice Bellard
            /* better than nothing: use input picture interlaced
1289
               settings */
1290
            big_picture.interlaced_frame = in_picture->interlaced_frame;
1291 72415b2a Stefano Sabatini
            if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1292 bb198e19 Michael Niedermayer
                if(top_field_first == -1)
1293
                    big_picture.top_field_first = in_picture->top_field_first;
1294
                else
1295 2a8edc5d Michael Niedermayer
                    big_picture.top_field_first = top_field_first;
1296 bb198e19 Michael Niedermayer
            }
1297 7a0f9d7e Fabrice Bellard
1298 85f07f22 Fabrice Bellard
            /* handles sameq here. This is not correct because it may
1299
               not be a global option */
1300
            if (same_quality) {
1301 1e491e29 Michael Niedermayer
                big_picture.quality = ist->st->quality;
1302
            }else
1303
                big_picture.quality = ost->st->quality;
1304 f4f3223f Michael Niedermayer
            if(!me_threshold)
1305
                big_picture.pict_type = 0;
1306 50c3dd32 Michael Niedermayer
//            big_picture.pts = AV_NOPTS_VALUE;
1307 c0df9d75 Michael Niedermayer
            big_picture.pts= ost->sync_opts;
1308
//            big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1309 949b1a13 Steve L'Homme
//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1310 115329f1 Diego Biurrun
            ret = avcodec_encode_video(enc,
1311 8a6cb114 Michael Niedermayer
                                       bit_buffer, bit_buffer_size,
1312 1e491e29 Michael Niedermayer
                                       &big_picture);
1313 95af5e1c Michael Niedermayer
            if (ret < 0) {
1314 4156a436 Panagiotis Issaris
                fprintf(stderr, "Video encoding failed\n");
1315 296df4e7 Ramiro Polla
                av_exit(1);
1316 4156a436 Panagiotis Issaris
            }
1317 54e28a85 Baptiste Coudurier
1318 4bbc6260 Michael Niedermayer
            if(ret>0){
1319 27537106 Michael Niedermayer
                pkt.data= bit_buffer;
1320 e928649b Michael Niedermayer
                pkt.size= ret;
1321 e6b4e4ff Michael Niedermayer
                if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1322 c0df9d75 Michael Niedermayer
                    pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1323 949b1a13 Steve L'Homme
/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1324 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,
1325
   pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1326 50c3dd32 Michael Niedermayer
1327 e6b4e4ff Michael Niedermayer
                if(enc->coded_frame->key_frame)
1328 cc947f04 Jean-Daniel Dupas
                    pkt.flags |= AV_PKT_FLAG_KEY;
1329 748c2fca Michael Niedermayer
                write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1330 e928649b Michael Niedermayer
                *frame_size = ret;
1331 44eb047a Michael Niedermayer
                video_size += ret;
1332 54e28a85 Baptiste Coudurier
                //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1333
                //        enc->frame_number-1, ret, enc->pict_type);
1334 e928649b Michael Niedermayer
                /* if two pass, output log */
1335
                if (ost->logfile && enc->stats_out) {
1336
                    fprintf(ost->logfile, "%s", enc->stats_out);
1337
                }
1338 5abdb4b1 Fabrice Bellard
            }
1339 85f07f22 Fabrice Bellard
        }
1340 50c3dd32 Michael Niedermayer
        ost->sync_opts++;
1341 ec5517d5 Fabrice Bellard
        ost->frame_number++;
1342 85f07f22 Fabrice Bellard
    }
1343
}
1344
1345 140cb663 Michael Niedermayer
static double psnr(double d){
1346 b29f97d1 Zdenek Kabelac
    return -10.0*log(d)/log(10.0);
1347 140cb663 Michael Niedermayer
}
1348
1349 115329f1 Diego Biurrun
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1350 ec5517d5 Fabrice Bellard
                           int frame_size)
1351 ce7c56c2 Juanjo
{
1352
    AVCodecContext *enc;
1353
    int frame_number;
1354
    double ti1, bitrate, avg_bitrate;
1355 115329f1 Diego Biurrun
1356 b60d1379 Stefano Sabatini
    /* this is executed just the first time do_video_stats is called */
1357 032aa7df Stefano Sabatini
    if (!vstats_file) {
1358
        vstats_file = fopen(vstats_filename, "w");
1359
        if (!vstats_file) {
1360 4bd0c2b1 Benoit Fouet
            perror("fopen");
1361 296df4e7 Ramiro Polla
            av_exit(1);
1362 4bd0c2b1 Benoit Fouet
        }
1363
    }
1364
1365 01f4895c Michael Niedermayer
    enc = ost->st->codec;
1366 72415b2a Stefano Sabatini
    if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1367 ec5517d5 Fabrice Bellard
        frame_number = ost->frame_number;
1368 032aa7df Stefano Sabatini
        fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1369 140cb663 Michael Niedermayer
        if (enc->flags&CODEC_FLAG_PSNR)
1370 032aa7df Stefano Sabatini
            fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1371 115329f1 Diego Biurrun
1372 032aa7df Stefano Sabatini
        fprintf(vstats_file,"f_size= %6d ", frame_size);
1373 ec5517d5 Fabrice Bellard
        /* compute pts value */
1374 c0df9d75 Michael Niedermayer
        ti1 = ost->sync_opts * av_q2d(enc->time_base);
1375 ce7c56c2 Juanjo
        if (ti1 < 0.01)
1376
            ti1 = 0.01;
1377 115329f1 Diego Biurrun
1378 c0df9d75 Michael Niedermayer
        bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1379 1008ceb3 Michael Niedermayer
        avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1380 032aa7df Stefano Sabatini
        fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1381 1008ceb3 Michael Niedermayer
            (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1382 032aa7df Stefano Sabatini
        fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1383 ce7c56c2 Juanjo
    }
1384 ec5517d5 Fabrice Bellard
}
1385
1386 b29f97d1 Zdenek Kabelac
static void print_report(AVFormatContext **output_files,
1387 bb270c08 Diego Biurrun
                         AVOutputStream **ost_table, int nb_ostreams,
1388
                         int is_last_report)
1389 ec5517d5 Fabrice Bellard
{
1390
    char buf[1024];
1391
    AVOutputStream *ost;
1392 b5ee9c23 Michael Niedermayer
    AVFormatContext *oc;
1393 0c1a9eda Zdenek Kabelac
    int64_t total_size;
1394 ec5517d5 Fabrice Bellard
    AVCodecContext *enc;
1395
    int frame_number, vid, i;
1396
    double bitrate, ti1, pts;
1397 0c1a9eda Zdenek Kabelac
    static int64_t last_time = -1;
1398 0888fd22 Michael Niedermayer
    static int qp_histogram[52];
1399 115329f1 Diego Biurrun
1400 ec5517d5 Fabrice Bellard
    if (!is_last_report) {
1401 0c1a9eda Zdenek Kabelac
        int64_t cur_time;
1402 ec5517d5 Fabrice Bellard
        /* display the report every 0.5 seconds */
1403
        cur_time = av_gettime();
1404
        if (last_time == -1) {
1405
            last_time = cur_time;
1406
            return;
1407 115329f1 Diego Biurrun
        }
1408 ec5517d5 Fabrice Bellard
        if ((cur_time - last_time) < 500000)
1409
            return;
1410
        last_time = cur_time;
1411
    }
1412
1413 ce7c56c2 Juanjo
1414 ec5517d5 Fabrice Bellard
    oc = output_files[0];
1415
1416 899681cd Björn Axelsson
    total_size = url_fsize(oc->pb);
1417 859d95ba Michael Niedermayer
    if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1418 899681cd Björn Axelsson
        total_size= url_ftell(oc->pb);
1419 115329f1 Diego Biurrun
1420 ec5517d5 Fabrice Bellard
    buf[0] = '\0';
1421
    ti1 = 1e10;
1422
    vid = 0;
1423
    for(i=0;i<nb_ostreams;i++) {
1424
        ost = ost_table[i];
1425 01f4895c Michael Niedermayer
        enc = ost->st->codec;
1426 72415b2a Stefano Sabatini
        if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1427 0ecca7a4 Michael Niedermayer
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1428 e6b4e4ff Michael Niedermayer
                     !ost->st->stream_copy ?
1429 99fb79b5 Baptiste Coudurier
                     enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1430 10d104e4 Philip Gladstone
        }
1431 72415b2a Stefano Sabatini
        if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1432 7fc98937 Limin Wang
            float t = (av_gettime()-timer_start) / 1000000.0;
1433
1434 ec5517d5 Fabrice Bellard
            frame_number = ost->frame_number;
1435 7fc98937 Limin Wang
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1436
                     frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1437 e6b4e4ff Michael Niedermayer
                     !ost->st->stream_copy ?
1438 99fb79b5 Baptiste Coudurier
                     enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1439 890972be Michael Niedermayer
            if(is_last_report)
1440 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1441 e6b4e4ff Michael Niedermayer
            if(qp_hist){
1442 0888fd22 Michael Niedermayer
                int j;
1443
                int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1444 37d3e066 Aurelien Jacobs
                if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1445 0888fd22 Michael Niedermayer
                    qp_histogram[qp]++;
1446
                for(j=0; j<32; j++)
1447
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1448
            }
1449 890972be Michael Niedermayer
            if (enc->flags&CODEC_FLAG_PSNR){
1450
                int j;
1451
                double error, error_sum=0;
1452
                double scale, scale_sum=0;
1453
                char type[3]= {'Y','U','V'};
1454 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1455 890972be Michael Niedermayer
                for(j=0; j<3; j++){
1456
                    if(is_last_report){
1457
                        error= enc->error[j];
1458
                        scale= enc->width*enc->height*255.0*255.0*frame_number;
1459
                    }else{
1460
                        error= enc->coded_frame->error[j];
1461
                        scale= enc->width*enc->height*255.0*255.0;
1462
                    }
1463
                    if(j) scale/=4;
1464
                    error_sum += error;
1465
                    scale_sum += scale;
1466 0ecca7a4 Michael Niedermayer
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1467 890972be Michael Niedermayer
                }
1468 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1469 890972be Michael Niedermayer
            }
1470 ec5517d5 Fabrice Bellard
            vid = 1;
1471
        }
1472
        /* compute min output value */
1473 43924f01 Alex Beregszaszi
        pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1474 5d9827bc Kareila
        if ((pts < ti1) && (pts > 0))
1475 ec5517d5 Fabrice Bellard
            ti1 = pts;
1476
    }
1477
    if (ti1 < 0.01)
1478
        ti1 = 0.01;
1479 115329f1 Diego Biurrun
1480 f068206e Bill Eldridge
    if (verbose || is_last_report) {
1481
        bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1482 115329f1 Diego Biurrun
1483
        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1484 475f4d8d David Bolt
            "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1485 ec5517d5 Fabrice Bellard
            (double)total_size / 1024, ti1, bitrate);
1486 a6a92a9a Wolfram Gloger
1487 0f649d66 Michael Niedermayer
        if (nb_frames_dup || nb_frames_drop)
1488 bb270c08 Diego Biurrun
          snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1489
                  nb_frames_dup, nb_frames_drop);
1490 115329f1 Diego Biurrun
1491 d8019eb5 Allen Day
        if (verbose >= 0)
1492
            fprintf(stderr, "%s    \r", buf);
1493
1494 ec5517d5 Fabrice Bellard
        fflush(stderr);
1495
    }
1496 115329f1 Diego Biurrun
1497 1008ceb3 Michael Niedermayer
    if (is_last_report && verbose >= 0){
1498
        int64_t raw= audio_size + video_size + extra_size;
1499 f068206e Bill Eldridge
        fprintf(stderr, "\n");
1500 1008ceb3 Michael Niedermayer
        fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1501
                video_size/1024.0,
1502
                audio_size/1024.0,
1503
                extra_size/1024.0,
1504
                100.0*(total_size - raw)/raw
1505
        );
1506
    }
1507 ce7c56c2 Juanjo
}
1508
1509 a700a6ae Fabrice Bellard
/* pkt = NULL means EOF (needed to flush decoder buffers) */
1510
static int output_packet(AVInputStream *ist, int ist_index,
1511
                         AVOutputStream **ost_table, int nb_ostreams,
1512 4b85a28f Wolfram Gloger
                         const AVPacket *pkt)
1513 a700a6ae Fabrice Bellard
{
1514
    AVFormatContext *os;
1515
    AVOutputStream *ost;
1516 ede0e475 Thilo Borgmann
    int ret, i;
1517 8157483d Michael Niedermayer
    int got_picture;
1518 a700a6ae Fabrice Bellard
    AVFrame picture;
1519
    void *buffer_to_free;
1520 f038fe8b Diego Biurrun
    static unsigned int samples_size= 0;
1521 cf7fc795 Fabrice Bellard
    AVSubtitle subtitle, *subtitle_to_free;
1522
    int got_subtitle;
1523 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1524
    int loop;
1525
#endif
1526
1527 ede0e475 Thilo Borgmann
    AVPacket avpkt;
1528 9d66ef18 Sascha Sommer
    int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
1529 ede0e475 Thilo Borgmann
1530 ed923859 Michael Niedermayer
    if(ist->next_pts == AV_NOPTS_VALUE)
1531
        ist->next_pts= ist->pts;
1532
1533 a700a6ae Fabrice Bellard
    if (pkt == NULL) {
1534
        /* EOF handling */
1535 031e14ea Thilo Borgmann
        av_init_packet(&avpkt);
1536 ede0e475 Thilo Borgmann
        avpkt.data = NULL;
1537
        avpkt.size = 0;
1538 a700a6ae Fabrice Bellard
        goto handle_eof;
1539 031e14ea Thilo Borgmann
    } else {
1540
        avpkt = *pkt;
1541 a700a6ae Fabrice Bellard
    }
1542
1543 b1b818fc Michael Niedermayer
    if(pkt->dts != AV_NOPTS_VALUE)
1544
        ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1545
1546 bd6754aa Michael Niedermayer
    //while we have more to decode or while the decoder did output something on EOF
1547 ede0e475 Thilo Borgmann
    while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1548 036c1382 Michael Niedermayer
        uint8_t *data_buf, *decoded_data_buf;
1549
        int data_size, decoded_data_size;
1550 a700a6ae Fabrice Bellard
    handle_eof:
1551 b1b818fc Michael Niedermayer
        ist->pts= ist->next_pts;
1552 19d5da50 Michael Niedermayer
1553 d859bb1d Sascha Sommer
        if(avpkt.size && avpkt.size != pkt->size &&
1554 6e2fdc3e Stefano Sabatini
           ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1555 40cb57a2 Michael Niedermayer
            fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1556 3ff0daf0 Michael Niedermayer
            ist->showed_multi_packet_warning=1;
1557
        }
1558 40cb57a2 Michael Niedermayer
1559 a700a6ae Fabrice Bellard
        /* decode the packet if needed */
1560 036c1382 Michael Niedermayer
        decoded_data_buf = NULL; /* fail safe */
1561
        decoded_data_size= 0;
1562
        data_buf  = avpkt.data;
1563
        data_size = avpkt.size;
1564 cf7fc795 Fabrice Bellard
        subtitle_to_free = NULL;
1565 a700a6ae Fabrice Bellard
        if (ist->decoding_needed) {
1566 01f4895c Michael Niedermayer
            switch(ist->st->codec->codec_type) {
1567 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:{
1568 81b060fa Loren Merritt
                if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1569
                    samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1570
                    av_free(samples);
1571
                    samples= av_malloc(samples_size);
1572
                }
1573 036c1382 Michael Niedermayer
                decoded_data_size= samples_size;
1574 a700a6ae Fabrice Bellard
                    /* XXX: could avoid copy if PCM 16 bits with same
1575
                       endianness as CPU */
1576 036c1382 Michael Niedermayer
                ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1577 ede0e475 Thilo Borgmann
                                            &avpkt);
1578 a700a6ae Fabrice Bellard
                if (ret < 0)
1579
                    goto fail_decode;
1580 ede0e475 Thilo Borgmann
                avpkt.data += ret;
1581
                avpkt.size -= ret;
1582 036c1382 Michael Niedermayer
                data_size   = ret;
1583 a700a6ae Fabrice Bellard
                /* Some bug in mpeg audio decoder gives */
1584 036c1382 Michael Niedermayer
                /* decoded_data_size < 0, it seems they are overflows */
1585
                if (decoded_data_size <= 0) {
1586 a700a6ae Fabrice Bellard
                    /* no audio frame */
1587
                    continue;
1588
                }
1589 036c1382 Michael Niedermayer
                decoded_data_buf = (uint8_t *)samples;
1590
                ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1591 01f4895c Michael Niedermayer
                    (ist->st->codec->sample_rate * ist->st->codec->channels);
1592 df84ac2e Michael Niedermayer
                break;}
1593 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
1594 036c1382 Michael Niedermayer
                    decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1595 a700a6ae Fabrice Bellard
                    /* XXX: allocate picture correctly */
1596 9740beff Michael Niedermayer
                    avcodec_get_frame_defaults(&picture);
1597
1598 ede0e475 Thilo Borgmann
                    ret = avcodec_decode_video2(ist->st->codec,
1599
                                                &picture, &got_picture, &avpkt);
1600 a700a6ae Fabrice Bellard
                    ist->st->quality= picture.quality;
1601 115329f1 Diego Biurrun
                    if (ret < 0)
1602 a700a6ae Fabrice Bellard
                        goto fail_decode;
1603
                    if (!got_picture) {
1604
                        /* no picture yet */
1605
                        goto discard_packet;
1606
                    }
1607 01f4895c Michael Niedermayer
                    if (ist->st->codec->time_base.num != 0) {
1608 3797c74b Michael Niedermayer
                        int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1609 115329f1 Diego Biurrun
                        ist->next_pts += ((int64_t)AV_TIME_BASE *
1610 34583e1b Michael Niedermayer
                                          ist->st->codec->time_base.num * ticks) /
1611 01f4895c Michael Niedermayer
                            ist->st->codec->time_base.den;
1612 a700a6ae Fabrice Bellard
                    }
1613 ede0e475 Thilo Borgmann
                    avpkt.size = 0;
1614 a700a6ae Fabrice Bellard
                    break;
1615 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_SUBTITLE:
1616 ede0e475 Thilo Borgmann
                ret = avcodec_decode_subtitle2(ist->st->codec,
1617
                                               &subtitle, &got_subtitle, &avpkt);
1618 cf7fc795 Fabrice Bellard
                if (ret < 0)
1619 a700a6ae Fabrice Bellard
                    goto fail_decode;
1620 cf7fc795 Fabrice Bellard
                if (!got_subtitle) {
1621
                    goto discard_packet;
1622 a700a6ae Fabrice Bellard
                }
1623 cf7fc795 Fabrice Bellard
                subtitle_to_free = &subtitle;
1624 ede0e475 Thilo Borgmann
                avpkt.size = 0;
1625 cf7fc795 Fabrice Bellard
                break;
1626
            default:
1627
                goto fail_decode;
1628
            }
1629
        } else {
1630 bde0705c Limin Wang
            switch(ist->st->codec->codec_type) {
1631 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:
1632 bde0705c Limin Wang
                ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1633 1c715415 Michael Niedermayer
                    ist->st->codec->sample_rate;
1634 bde0705c Limin Wang
                break;
1635 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
1636 bde0705c Limin Wang
                if (ist->st->codec->time_base.num != 0) {
1637 3797c74b Michael Niedermayer
                    int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1638 bde0705c Limin Wang
                    ist->next_pts += ((int64_t)AV_TIME_BASE *
1639 34583e1b Michael Niedermayer
                                      ist->st->codec->time_base.num * ticks) /
1640 bde0705c Limin Wang
                        ist->st->codec->time_base.den;
1641 2fef0bdf Michael Niedermayer
                }
1642 bde0705c Limin Wang
                break;
1643 a700a6ae Fabrice Bellard
            }
1644 ede0e475 Thilo Borgmann
            ret = avpkt.size;
1645
            avpkt.size = 0;
1646 bde0705c Limin Wang
        }
1647 a700a6ae Fabrice Bellard
1648 bde0705c Limin Wang
        buffer_to_free = NULL;
1649 72415b2a Stefano Sabatini
        if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1650 bde0705c Limin Wang
            pre_process_video_frame(ist, (AVPicture *)&picture,
1651
                                    &buffer_to_free);
1652
        }
1653 a700a6ae Fabrice Bellard
1654 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1655
        if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->input_video_filter) {
1656
            // add it to be filtered
1657
            av_vsrc_buffer_add_frame(ist->input_video_filter, &picture,
1658
                                     ist->pts,
1659
                                     ist->st->codec->sample_aspect_ratio);
1660
        }
1661
#endif
1662
1663 bde0705c Limin Wang
        // preprocess audio (volume)
1664 72415b2a Stefano Sabatini
        if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1665 bde0705c Limin Wang
            if (audio_volume != 256) {
1666
                short *volp;
1667
                volp = samples;
1668 036c1382 Michael Niedermayer
                for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1669 bde0705c Limin Wang
                    int v = ((*volp) * audio_volume + 128) >> 8;
1670
                    if (v < -32768) v = -32768;
1671
                    if (v >  32767) v = 32767;
1672
                    *volp++ = v;
1673 7e987c33 Calcium
                }
1674
            }
1675 bde0705c Limin Wang
        }
1676 7e987c33 Calcium
1677 bde0705c Limin Wang
        /* frame rate emulation */
1678 3a25ca18 Stefano Sabatini
        if (rate_emu) {
1679 cb103a19 Stefano Sabatini
            int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1680 bde0705c Limin Wang
            int64_t now = av_gettime() - ist->start;
1681
            if (pts > now)
1682
                usleep(pts - now);
1683
        }
1684 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1685
        loop = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1686
            !ist->out_video_filter || avfilter_poll_frame(ist->out_video_filter->inputs[0]);
1687
#endif
1688 bde0705c Limin Wang
        /* if output time reached then transcode raw format,
1689
           encode packets and output them */
1690
        if (start_time == 0 || ist->pts >= start_time)
1691 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1692
        while(loop) {
1693
            if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->out_video_filter)
1694
                get_filtered_video_pic(ist->out_video_filter, &ist->picref, &picture, &ist->pts);
1695
#endif
1696 bde0705c Limin Wang
            for(i=0;i<nb_ostreams;i++) {
1697
                int frame_size;
1698 a700a6ae Fabrice Bellard
1699 bde0705c Limin Wang
                ost = ost_table[i];
1700
                if (ost->source_index == ist_index) {
1701
                    os = output_files[ost->file_index];
1702 a700a6ae Fabrice Bellard
1703 bde0705c Limin Wang
                    /* set the input output pts pairs */
1704
                    //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1705
1706
                    if (ost->encoding_needed) {
1707 036c1382 Michael Niedermayer
                        assert(ist->decoding_needed);
1708 bde0705c Limin Wang
                        switch(ost->st->codec->codec_type) {
1709 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_AUDIO:
1710 036c1382 Michael Niedermayer
                            do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1711 bde0705c Limin Wang
                            break;
1712 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_VIDEO:
1713 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1714
                            ost->st->codec->sample_aspect_ratio = ist->picref->pixel_aspect;
1715
#endif
1716 bde0705c Limin Wang
                            do_video_out(os, ost, ist, &picture, &frame_size);
1717 b60d1379 Stefano Sabatini
                            if (vstats_filename && frame_size)
1718 bde0705c Limin Wang
                                do_video_stats(os, ost, frame_size);
1719
                            break;
1720 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_SUBTITLE:
1721 bde0705c Limin Wang
                            do_subtitle_out(os, ost, ist, &subtitle,
1722
                                            pkt->pts);
1723
                            break;
1724
                        default:
1725 0f4e8165 Ronald S. Bultje
                            abort();
1726 bde0705c Limin Wang
                        }
1727
                    } else {
1728
                        AVFrame avframe; //FIXME/XXX remove this
1729
                        AVPacket opkt;
1730 cdf38a17 Michael Niedermayer
                        int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1731
1732 bde0705c Limin Wang
                        av_init_packet(&opkt);
1733
1734 cc947f04 Jean-Daniel Dupas
                        if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1735 7cacf1e8 Michael Niedermayer
                            continue;
1736
1737 bde0705c Limin Wang
                        /* no reencoding needed : output the packet directly */
1738
                        /* force the input stream PTS */
1739
1740
                        avcodec_get_frame_defaults(&avframe);
1741
                        ost->st->codec->coded_frame= &avframe;
1742 cc947f04 Jean-Daniel Dupas
                        avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1743 bde0705c Limin Wang
1744 72415b2a Stefano Sabatini
                        if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1745 bde0705c Limin Wang
                            audio_size += data_size;
1746 72415b2a Stefano Sabatini
                        else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1747 bde0705c Limin Wang
                            video_size += data_size;
1748
                            ost->sync_opts++;
1749
                        }
1750
1751
                        opkt.stream_index= ost->index;
1752
                        if(pkt->pts != AV_NOPTS_VALUE)
1753 cdf38a17 Michael Niedermayer
                            opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1754 bde0705c Limin Wang
                        else
1755
                            opkt.pts= AV_NOPTS_VALUE;
1756
1757 d2ce2f5e Baptiste Coudurier
                        if (pkt->dts == AV_NOPTS_VALUE)
1758 181782ae Michael Niedermayer
                            opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1759 d2ce2f5e Baptiste Coudurier
                        else
1760
                            opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1761 cdf38a17 Michael Niedermayer
                        opkt.dts -= ost_tb_start_time;
1762 c0dd7b7c Michael Niedermayer
1763 a03d59b7 Aurelien Jacobs
                        opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1764 bde0705c Limin Wang
                        opkt.flags= pkt->flags;
1765
1766
                        //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1767 5bfe91e6 Michael Niedermayer
                        if(   ost->st->codec->codec_id != CODEC_ID_H264
1768
                           && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1769
                           && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1770
                           ) {
1771 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))
1772 9f907d85 Michael Niedermayer
                                opkt.destruct= av_destruct_packet;
1773 d310d56a Baptiste Coudurier
                        } else {
1774
                            opkt.data = data_buf;
1775
                            opkt.size = data_size;
1776
                        }
1777 bde0705c Limin Wang
1778 8b389f15 Andreas Öman
                        write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1779 bde0705c Limin Wang
                        ost->st->codec->frame_number++;
1780
                        ost->frame_number++;
1781
                        av_free_packet(&opkt);
1782 a700a6ae Fabrice Bellard
                    }
1783
                }
1784 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1785
                loop =  (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1786
                        ist->out_video_filter && avfilter_poll_frame(ist->out_video_filter->inputs[0]);
1787
#endif
1788 bde0705c Limin Wang
            }
1789 46847a33 Michael Niedermayer
1790
#if CONFIG_AVFILTER
1791
            if(ist->picref)
1792
                avfilter_unref_pic(ist->picref);
1793
        }
1794
#endif
1795 bde0705c Limin Wang
        av_free(buffer_to_free);
1796
        /* XXX: allocate the subtitles in the codec ? */
1797
        if (subtitle_to_free) {
1798
            if (subtitle_to_free->rects != NULL) {
1799
                for (i = 0; i < subtitle_to_free->num_rects; i++) {
1800 25b4c651 Michael Niedermayer
                    av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1801
                    av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1802 db4fac64 Michael Niedermayer
                    av_freep(&subtitle_to_free->rects[i]);
1803 c6ec28b1 Michael Niedermayer
                }
1804 bde0705c Limin Wang
                av_freep(&subtitle_to_free->rects);
1805 cf7fc795 Fabrice Bellard
            }
1806 bde0705c Limin Wang
            subtitle_to_free->num_rects = 0;
1807
            subtitle_to_free = NULL;
1808 a700a6ae Fabrice Bellard
        }
1809 bde0705c Limin Wang
    }
1810 a700a6ae Fabrice Bellard
 discard_packet:
1811 6f824977 Michael Niedermayer
    if (pkt == NULL) {
1812
        /* EOF handling */
1813 115329f1 Diego Biurrun
1814 6f824977 Michael Niedermayer
        for(i=0;i<nb_ostreams;i++) {
1815
            ost = ost_table[i];
1816
            if (ost->source_index == ist_index) {
1817 01f4895c Michael Niedermayer
                AVCodecContext *enc= ost->st->codec;
1818 6f824977 Michael Niedermayer
                os = output_files[ost->file_index];
1819 115329f1 Diego Biurrun
1820 72415b2a Stefano Sabatini
                if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1821 6f824977 Michael Niedermayer
                    continue;
1822 72415b2a Stefano Sabatini
                if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1823 6f824977 Michael Niedermayer
                    continue;
1824
1825
                if (ost->encoding_needed) {
1826
                    for(;;) {
1827
                        AVPacket pkt;
1828 cef7cc72 Justin Ruggles
                        int fifo_bytes;
1829 6f824977 Michael Niedermayer
                        av_init_packet(&pkt);
1830
                        pkt.stream_index= ost->index;
1831 115329f1 Diego Biurrun
1832 01f4895c Michael Niedermayer
                        switch(ost->st->codec->codec_type) {
1833 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_AUDIO:
1834 41dd680d Michael Niedermayer
                            fifo_bytes = av_fifo_size(ost->fifo);
1835 cef7cc72 Justin Ruggles
                            ret = 0;
1836
                            /* encode any samples remaining in fifo */
1837 b10d7e4e Baptiste Coudurier
                            if (fifo_bytes > 0) {
1838 22c4c3e0 Justin Ruggles
                                int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1839 cef7cc72 Justin Ruggles
                                int fs_tmp = enc->frame_size;
1840 b10d7e4e Baptiste Coudurier
1841 3898eed8 Reimar Döffinger
                                av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1842 b10d7e4e Baptiste Coudurier
                                if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1843
                                    enc->frame_size = fifo_bytes / (osize * enc->channels);
1844
                                } else { /* pad */
1845
                                    int frame_bytes = enc->frame_size*osize*enc->channels;
1846
                                    if (samples_size < frame_bytes)
1847
                                        av_exit(1);
1848
                                    memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1849
                                }
1850
1851 c573eb85 Baptiste Coudurier
                                ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1852 7c8689ef Baptiste Coudurier
                                pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1853
                                                          ost->st->time_base.num, enc->sample_rate);
1854 cef7cc72 Justin Ruggles
                                enc->frame_size = fs_tmp;
1855 9e0db7d5 Michael Niedermayer
                            }
1856
                            if(ret <= 0) {
1857 cef7cc72 Justin Ruggles
                                ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1858
                            }
1859 528271ff Michael Niedermayer
                            if (ret < 0) {
1860
                                fprintf(stderr, "Audio encoding failed\n");
1861
                                av_exit(1);
1862
                            }
1863 6f824977 Michael Niedermayer
                            audio_size += ret;
1864 cc947f04 Jean-Daniel Dupas
                            pkt.flags |= AV_PKT_FLAG_KEY;
1865 6f824977 Michael Niedermayer
                            break;
1866 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_VIDEO:
1867 8a6cb114 Michael Niedermayer
                            ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1868 528271ff Michael Niedermayer
                            if (ret < 0) {
1869
                                fprintf(stderr, "Video encoding failed\n");
1870
                                av_exit(1);
1871
                            }
1872 6f824977 Michael Niedermayer
                            video_size += ret;
1873
                            if(enc->coded_frame && enc->coded_frame->key_frame)
1874 cc947f04 Jean-Daniel Dupas
                                pkt.flags |= AV_PKT_FLAG_KEY;
1875 6f824977 Michael Niedermayer
                            if (ost->logfile && enc->stats_out) {
1876
                                fprintf(ost->logfile, "%s", enc->stats_out);
1877
                            }
1878
                            break;
1879
                        default:
1880
                            ret=-1;
1881
                        }
1882 115329f1 Diego Biurrun
1883 6f824977 Michael Niedermayer
                        if(ret<=0)
1884
                            break;
1885 27537106 Michael Niedermayer
                        pkt.data= bit_buffer;
1886 6f824977 Michael Niedermayer
                        pkt.size= ret;
1887 e7902f20 Michael Niedermayer
                        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1888 c0df9d75 Michael Niedermayer
                            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1889 748c2fca Michael Niedermayer
                        write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1890 6f824977 Michael Niedermayer
                    }
1891
                }
1892
            }
1893
        }
1894
    }
1895 115329f1 Diego Biurrun
1896 a700a6ae Fabrice Bellard
    return 0;
1897
 fail_decode:
1898
    return -1;
1899
}
1900
1901 6d1ba1ac Luca Abeni
static void print_sdp(AVFormatContext **avc, int n)
1902
{
1903
    char sdp[2048];
1904
1905
    avf_sdp_create(avc, n, sdp, sizeof(sdp));
1906
    printf("SDP:\n%s\n", sdp);
1907 536cd1db Luca Barbato
    fflush(stdout);
1908 6d1ba1ac Luca Abeni
}
1909 a700a6ae Fabrice Bellard
1910 7a39f142 Anton Khirnov
static int copy_chapters(int infile, int outfile)
1911
{
1912
    AVFormatContext *is = input_files[infile];
1913
    AVFormatContext *os = output_files[outfile];
1914
    int i;
1915
1916
    for (i = 0; i < is->nb_chapters; i++) {
1917
        AVChapter *in_ch = is->chapters[i], *out_ch;
1918
        AVMetadataTag *t = NULL;
1919
        int64_t ts_off   = av_rescale_q(start_time - input_files_ts_offset[infile],
1920
                                      AV_TIME_BASE_Q, in_ch->time_base);
1921
        int64_t rt       = (recording_time == INT64_MAX) ? INT64_MAX :
1922
                           av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1923
1924
1925
        if (in_ch->end < ts_off)
1926
            continue;
1927
        if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1928
            break;
1929
1930
        out_ch = av_mallocz(sizeof(AVChapter));
1931
        if (!out_ch)
1932
            return AVERROR(ENOMEM);
1933
1934
        out_ch->id        = in_ch->id;
1935
        out_ch->time_base = in_ch->time_base;
1936
        out_ch->start     = FFMAX(0,  in_ch->start - ts_off);
1937
        out_ch->end       = FFMIN(rt, in_ch->end   - ts_off);
1938
1939
        while ((t = av_metadata_get(in_ch->metadata, "", t, AV_METADATA_IGNORE_SUFFIX)))
1940
            av_metadata_set2(&out_ch->metadata, t->key, t->value, 0);
1941
1942
        os->nb_chapters++;
1943
        os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1944
        if (!os->chapters)
1945
            return AVERROR(ENOMEM);
1946
        os->chapters[os->nb_chapters - 1] = out_ch;
1947
    }
1948
    return 0;
1949
}
1950
1951 85f07f22 Fabrice Bellard
/*
1952
 * The following code is the main loop of the file converter
1953
 */
1954 ac61f59a Stefano Sabatini
static int av_transcode(AVFormatContext **output_files,
1955 685598f5 Stefano Sabatini
                        int nb_output_files,
1956
                        AVFormatContext **input_files,
1957
                        int nb_input_files,
1958
                        AVStreamMap *stream_maps, int nb_stream_maps)
1959 85f07f22 Fabrice Bellard
{
1960 002c95d7 Baptiste Coudurier
    int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1961 85f07f22 Fabrice Bellard
    AVFormatContext *is, *os;
1962
    AVCodecContext *codec, *icodec;
1963
    AVOutputStream *ost, **ost_table = NULL;
1964
    AVInputStream *ist, **ist_table = NULL;
1965 bdc4796f Fabrice Bellard
    AVInputFile *file_table;
1966 002c95d7 Baptiste Coudurier
    char error[1024];
1967 cb09b2ed Philip Gladstone
    int key;
1968 6d1ba1ac Luca Abeni
    int want_sdp = 1;
1969 545465ec Michael Niedermayer
    uint8_t no_packet[MAX_FILES]={0};
1970
    int no_packet_count=0;
1971 bdc4796f Fabrice Bellard
1972 90901860 Michael Niedermayer
    file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1973 bdc4796f Fabrice Bellard
    if (!file_table)
1974
        goto fail;
1975 115329f1 Diego Biurrun
1976 85f07f22 Fabrice Bellard
    /* input stream init */
1977
    j = 0;
1978
    for(i=0;i<nb_input_files;i++) {
1979
        is = input_files[i];
1980
        file_table[i].ist_index = j;
1981 79fdaa4c Fabrice Bellard
        file_table[i].nb_streams = is->nb_streams;
1982 85f07f22 Fabrice Bellard
        j += is->nb_streams;
1983
    }
1984
    nb_istreams = j;
1985
1986
    ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1987
    if (!ist_table)
1988 bdc4796f Fabrice Bellard
        goto fail;
1989 115329f1 Diego Biurrun
1990 85f07f22 Fabrice Bellard
    for(i=0;i<nb_istreams;i++) {
1991
        ist = av_mallocz(sizeof(AVInputStream));
1992
        if (!ist)
1993
            goto fail;
1994
        ist_table[i] = ist;
1995
    }
1996
    j = 0;
1997
    for(i=0;i<nb_input_files;i++) {
1998
        is = input_files[i];
1999
        for(k=0;k<is->nb_streams;k++) {
2000
            ist = ist_table[j++];
2001
            ist->st = is->streams[k];
2002
            ist->file_index = i;
2003
            ist->index = k;
2004
            ist->discard = 1; /* the stream is discarded by default
2005
                                 (changed later) */
2006 bdfcbbed Max Krasnyansky
2007 3a25ca18 Stefano Sabatini
            if (rate_emu) {
2008 bdfcbbed Max Krasnyansky
                ist->start = av_gettime();
2009
            }
2010 85f07f22 Fabrice Bellard
        }
2011
    }
2012
2013
    /* output stream init */
2014
    nb_ostreams = 0;
2015
    for(i=0;i<nb_output_files;i++) {
2016
        os = output_files[i];
2017 8a7bde1c Baptiste Coudurier
        if (!os->nb_streams) {
2018 fc5d0db5 Stefano Sabatini
            dump_format(output_files[i], i, output_files[i]->filename, 1);
2019
            fprintf(stderr, "Output file #%d does not contain any stream\n", i);
2020 296df4e7 Ramiro Polla
            av_exit(1);
2021 8a7bde1c Baptiste Coudurier
        }
2022 85f07f22 Fabrice Bellard
        nb_ostreams += os->nb_streams;
2023
    }
2024
    if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
2025
        fprintf(stderr, "Number of stream maps must match number of output streams\n");
2026 296df4e7 Ramiro Polla
        av_exit(1);
2027 85f07f22 Fabrice Bellard
    }
2028
2029 bd073980 Brian Foley
    /* Sanity check the mapping args -- do the input files & streams exist? */
2030
    for(i=0;i<nb_stream_maps;i++) {
2031
        int fi = stream_maps[i].file_index;
2032
        int si = stream_maps[i].stream_index;
2033 115329f1 Diego Biurrun
2034 bd073980 Brian Foley
        if (fi < 0 || fi > nb_input_files - 1 ||
2035
            si < 0 || si > file_table[fi].nb_streams - 1) {
2036
            fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
2037 296df4e7 Ramiro Polla
            av_exit(1);
2038 bd073980 Brian Foley
        }
2039 b4a3389e Wolfram Gloger
        fi = stream_maps[i].sync_file_index;
2040
        si = stream_maps[i].sync_stream_index;
2041
        if (fi < 0 || fi > nb_input_files - 1 ||
2042
            si < 0 || si > file_table[fi].nb_streams - 1) {
2043
            fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2044 296df4e7 Ramiro Polla
            av_exit(1);
2045 b4a3389e Wolfram Gloger
        }
2046 bd073980 Brian Foley
    }
2047 115329f1 Diego Biurrun
2048 85f07f22 Fabrice Bellard
    ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2049
    if (!ost_table)
2050
        goto fail;
2051
    for(i=0;i<nb_ostreams;i++) {
2052
        ost = av_mallocz(sizeof(AVOutputStream));
2053
        if (!ost)
2054
            goto fail;
2055
        ost_table[i] = ost;
2056
    }
2057 115329f1 Diego Biurrun
2058 85f07f22 Fabrice Bellard
    n = 0;
2059
    for(k=0;k<nb_output_files;k++) {
2060
        os = output_files[k];
2061 de427ff4 Stefano Sabatini
        for(i=0;i<os->nb_streams;i++,n++) {
2062 85f07f22 Fabrice Bellard
            int found;
2063 de427ff4 Stefano Sabatini
            ost = ost_table[n];
2064 85f07f22 Fabrice Bellard
            ost->file_index = k;
2065
            ost->index = i;
2066
            ost->st = os->streams[i];
2067
            if (nb_stream_maps > 0) {
2068 de427ff4 Stefano Sabatini
                ost->source_index = file_table[stream_maps[n].file_index].ist_index +
2069
                    stream_maps[n].stream_index;
2070 115329f1 Diego Biurrun
2071 bd073980 Brian Foley
                /* Sanity check that the stream types match */
2072 01f4895c Michael Niedermayer
                if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
2073 150d5a25 Stefano Sabatini
                    int i= ost->file_index;
2074
                    dump_format(output_files[i], i, output_files[i]->filename, 1);
2075 bd073980 Brian Foley
                    fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2076 de427ff4 Stefano Sabatini
                        stream_maps[n].file_index, stream_maps[n].stream_index,
2077 bd073980 Brian Foley
                        ost->file_index, ost->index);
2078 296df4e7 Ramiro Polla
                    av_exit(1);
2079 bd073980 Brian Foley
                }
2080 115329f1 Diego Biurrun
2081 85f07f22 Fabrice Bellard
            } else {
2082 247e3954 Michael Niedermayer
                int best_nb_frames=-1;
2083 a15bc651 Nico Sabbi
                    /* get corresponding input stream index : we select the first one with the right type */
2084
                    found = 0;
2085 85f07f22 Fabrice Bellard
                    for(j=0;j<nb_istreams;j++) {
2086 6d3d3b83 Michael Niedermayer
                        int skip=0;
2087 85f07f22 Fabrice Bellard
                        ist = ist_table[j];
2088 6d3d3b83 Michael Niedermayer
                        if(opt_programid){
2089
                            int pi,si;
2090
                            AVFormatContext *f= input_files[ ist->file_index ];
2091
                            skip=1;
2092
                            for(pi=0; pi<f->nb_programs; pi++){
2093
                                AVProgram *p= f->programs[pi];
2094
                                if(p->id == opt_programid)
2095
                                    for(si=0; si<p->nb_stream_indexes; si++){
2096
                                        if(f->streams[ p->stream_index[si] ] == ist->st)
2097
                                            skip=0;
2098
                                    }
2099
                            }
2100
                        }
2101
                        if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2102 a15bc651 Nico Sabbi
                            ist->st->codec->codec_type == ost->st->codec->codec_type) {
2103 247e3954 Michael Niedermayer
                            if(best_nb_frames < ist->st->codec_info_nb_frames){
2104
                                best_nb_frames= ist->st->codec_info_nb_frames;
2105
                                ost->source_index = j;
2106
                                found = 1;
2107
                            }
2108 85f07f22 Fabrice Bellard
                        }
2109
                    }
2110 a15bc651 Nico Sabbi
2111
                if (!found) {
2112
                    if(! opt_programid) {
2113
                        /* try again and reuse existing stream */
2114
                        for(j=0;j<nb_istreams;j++) {
2115
                            ist = ist_table[j];
2116 6d3d3b83 Michael Niedermayer
                            if (   ist->st->codec->codec_type == ost->st->codec->codec_type
2117
                                && ist->st->discard != AVDISCARD_ALL) {
2118 a15bc651 Nico Sabbi
                                ost->source_index = j;
2119
                                found = 1;
2120
                            }
2121
                        }
2122 50e143c4 Nico Sabbi
                    }
2123 85f07f22 Fabrice Bellard
                    if (!found) {
2124 462cca10 Stefano Sabatini
                        int i= ost->file_index;
2125
                        dump_format(output_files[i], i, output_files[i]->filename, 1);
2126 85f07f22 Fabrice Bellard
                        fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2127
                                ost->file_index, ost->index);
2128 296df4e7 Ramiro Polla
                        av_exit(1);
2129 85f07f22 Fabrice Bellard
                    }
2130
                }
2131
            }
2132
            ist = ist_table[ost->source_index];
2133
            ist->discard = 0;
2134 b4a3389e Wolfram Gloger
            ost->sync_ist = (nb_stream_maps > 0) ?
2135 de427ff4 Stefano Sabatini
                ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2136
                         stream_maps[n].sync_stream_index] : ist;
2137 85f07f22 Fabrice Bellard
        }
2138
    }
2139
2140
    /* for each output stream, we compute the right encoding parameters */
2141
    for(i=0;i<nb_ostreams;i++) {
2142 46e6fb4c Anton Khirnov
        AVMetadataTag *t = NULL;
2143 85f07f22 Fabrice Bellard
        ost = ost_table[i];
2144 365515ac Michael Niedermayer
        os = output_files[ost->file_index];
2145 85f07f22 Fabrice Bellard
        ist = ist_table[ost->source_index];
2146
2147 01f4895c Michael Niedermayer
        codec = ost->st->codec;
2148
        icodec = ist->st->codec;
2149 85f07f22 Fabrice Bellard
2150 c71591a5 Anton Khirnov
        while ((t = av_metadata_get(ist->st->metadata, "", t, AV_METADATA_IGNORE_SUFFIX))) {
2151 46e6fb4c Anton Khirnov
            av_metadata_set2(&ost->st->metadata, t->key, t->value, AV_METADATA_DONT_OVERWRITE);
2152 c71591a5 Anton Khirnov
        }
2153 8e0d882b Aurelien Jacobs
2154 90c2295b Evgeniy Stepanov
        ost->st->disposition = ist->st->disposition;
2155 a39b76ea Michael Niedermayer
        codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2156 de961801 David Conrad
        codec->chroma_sample_location = icodec->chroma_sample_location;
2157 90c2295b Evgeniy Stepanov
2158 1629626f Fabrice Bellard
        if (ost->st->stream_copy) {
2159
            /* if stream_copy is selected, no need to decode or encode */
2160
            codec->codec_id = icodec->codec_id;
2161
            codec->codec_type = icodec->codec_type;
2162 365515ac Michael Niedermayer
2163
            if(!codec->codec_tag){
2164
                if(   !os->oformat->codec_tag
2165 37ce3d6b Michael Niedermayer
                   || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2166 365515ac Michael Niedermayer
                   || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2167
                    codec->codec_tag = icodec->codec_tag;
2168
            }
2169
2170 1629626f Fabrice Bellard
            codec->bit_rate = icodec->bit_rate;
2171 dffbfd06 Michael Niedermayer
            codec->extradata= icodec->extradata;
2172
            codec->extradata_size= icodec->extradata_size;
2173 3797c74b Michael Niedermayer
            if(av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000){
2174 d29de719 Michael Niedermayer
                codec->time_base = icodec->time_base;
2175 3797c74b Michael Niedermayer
                codec->time_base.num *= icodec->ticks_per_frame;
2176
            }else
2177 d29de719 Michael Niedermayer
                codec->time_base = ist->st->time_base;
2178 1629626f Fabrice Bellard
            switch(codec->codec_type) {
2179 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:
2180 d08e3e91 Ramiro Polla
                if(audio_volume != 256) {
2181
                    fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2182
                    av_exit(1);
2183
                }
2184 13367a46 Benjamin Larsson
                codec->channel_layout = icodec->channel_layout;
2185 1629626f Fabrice Bellard
                codec->sample_rate = icodec->sample_rate;
2186
                codec->channels = icodec->channels;
2187 0a3b0447 Michael Niedermayer
                codec->frame_size = icodec->frame_size;
2188 c1344911 Michael Niedermayer
                codec->block_align= icodec->block_align;
2189 4efd6f58 Michael Niedermayer
                if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2190
                    codec->block_align= 0;
2191 bcbd328e Michael Niedermayer
                if(codec->codec_id == CODEC_ID_AC3)
2192
                    codec->block_align= 0;
2193 1629626f Fabrice Bellard
                break;
2194 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
2195 9df3437f Baptiste Coudurier
                codec->pix_fmt = icodec->pix_fmt;
2196 1629626f Fabrice Bellard
                codec->width = icodec->width;
2197
                codec->height = icodec->height;
2198 ff8cc24b Michael Niedermayer
                codec->has_b_frames = icodec->has_b_frames;
2199 1629626f Fabrice Bellard
                break;
2200 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_SUBTITLE:
2201 d43b26ea David Conrad
                codec->width = icodec->width;
2202
                codec->height = icodec->height;
2203 cf7fc795 Fabrice Bellard
                break;
2204 1629626f Fabrice Bellard
            default:
2205 0f4e8165 Ronald S. Bultje
                abort();
2206 1629626f Fabrice Bellard
            }
2207
        } else {
2208
            switch(codec->codec_type) {
2209 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:
2210 41dd680d Michael Niedermayer
                ost->fifo= av_fifo_alloc(1024);
2211
                if(!ost->fifo)
2212 85f07f22 Fabrice Bellard
                    goto fail;
2213 a79db0f7 Peter Ross
                ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
2214 2886f311 Andreas Öman
                ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2215
                icodec->request_channels = codec->channels;
2216 85f07f22 Fabrice Bellard
                ist->decoding_needed = 1;
2217
                ost->encoding_needed = 1;
2218 1629626f Fabrice Bellard
                break;
2219 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
2220 761c8c92 Baptiste Coudurier
                if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2221 562f22a6 Ronald S. Bultje
                    fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2222 761c8c92 Baptiste Coudurier
                    av_exit(1);
2223
                }
2224 c3f11d19 Luca Abeni
                ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
2225
                ost->video_resample = ((codec->width != icodec->width -
2226 0c22311b Michael Niedermayer
                                (frame_leftBand + frame_rightBand)) ||
2227 c3f11d19 Luca Abeni
                        (codec->height != icodec->height -
2228 0c22311b Michael Niedermayer
                                (frame_topBand  + frame_bottomBand)) ||
2229 18a54b04 Luca Abeni
                        (codec->pix_fmt != icodec->pix_fmt));
2230 c3f11d19 Luca Abeni
                if (ost->video_crop) {
2231 352666c1 Eric Buehl
                    ost->topBand    = ost->original_topBand    = frame_topBand;
2232
                    ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
2233
                    ost->leftBand   = ost->original_leftBand   = frame_leftBand;
2234
                    ost->rightBand  = ost->original_rightBand  = frame_rightBand;
2235 c3f11d19 Luca Abeni
                }
2236
                if (ost->video_resample) {
2237 2de28abb Michael Niedermayer
                    avcodec_get_frame_defaults(&ost->pict_tmp);
2238 9d58e0a9 Baptiste Coudurier
                    if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2239
                                         codec->width, codec->height)) {
2240 eddc482d Baptiste Coudurier
                        fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2241 296df4e7 Ramiro Polla
                        av_exit(1);
2242 eddc482d Baptiste Coudurier
                    }
2243 9de8e6ac Ronald S. Bultje
                    sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2244 18a54b04 Luca Abeni
                    ost->img_resample_ctx = sws_getContext(
2245
                            icodec->width - (frame_leftBand + frame_rightBand),
2246
                            icodec->height - (frame_topBand + frame_bottomBand),
2247
                            icodec->pix_fmt,
2248 0c22311b Michael Niedermayer
                            codec->width,
2249
                            codec->height,
2250 18a54b04 Luca Abeni
                            codec->pix_fmt,
2251
                            sws_flags, NULL, NULL, NULL);
2252 0b50ac8a Luca Abeni
                    if (ost->img_resample_ctx == NULL) {
2253
                        fprintf(stderr, "Cannot get resampling context\n");
2254 296df4e7 Ramiro Polla
                        av_exit(1);
2255 0b50ac8a Luca Abeni
                    }
2256 352666c1 Eric Buehl
2257 46847a33 Michael Niedermayer
#if !CONFIG_AVFILTER
2258 352666c1 Eric Buehl
                    ost->original_height = icodec->height;
2259
                    ost->original_width  = icodec->width;
2260 46847a33 Michael Niedermayer
#endif
2261 a39b76ea Michael Niedermayer
                    codec->bits_per_raw_sample= 0;
2262 85f07f22 Fabrice Bellard
                }
2263 b83ccbff Michael Niedermayer
                ost->resample_height = icodec->height - (frame_topBand  + frame_bottomBand);
2264
                ost->resample_width  = icodec->width  - (frame_leftBand + frame_rightBand);
2265
                ost->resample_pix_fmt= icodec->pix_fmt;
2266 85f07f22 Fabrice Bellard
                ost->encoding_needed = 1;
2267
                ist->decoding_needed = 1;
2268 46847a33 Michael Niedermayer
2269
#if CONFIG_AVFILTER
2270
                if (configure_filters(ist, ost)) {
2271
                    fprintf(stderr, "Error opening filters!\n");
2272
                    exit(1);
2273
                }
2274
#endif
2275 1629626f Fabrice Bellard
                break;
2276 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_SUBTITLE:
2277 cf7fc795 Fabrice Bellard
                ost->encoding_needed = 1;
2278
                ist->decoding_needed = 1;
2279
                break;
2280 1629626f Fabrice Bellard
            default:
2281 0f4e8165 Ronald S. Bultje
                abort();
2282 cf7fc795 Fabrice Bellard
                break;
2283 85f07f22 Fabrice Bellard
            }
2284 1629626f Fabrice Bellard
            /* two pass mode */
2285 115329f1 Diego Biurrun
            if (ost->encoding_needed &&
2286 1629626f Fabrice Bellard
                (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2287
                char logfilename[1024];
2288
                FILE *f;
2289 115329f1 Diego Biurrun
2290
                snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2291 22730e87 Stefano Sabatini
                         pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2292
                         i);
2293 1629626f Fabrice Bellard
                if (codec->flags & CODEC_FLAG_PASS1) {
2294
                    f = fopen(logfilename, "w");
2295
                    if (!f) {
2296 42d1d06e Stefano Sabatini
                        fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2297 296df4e7 Ramiro Polla
                        av_exit(1);
2298 1629626f Fabrice Bellard
                    }
2299
                    ost->logfile = f;
2300
                } else {
2301 458b062d Stefano Sabatini
                    char  *logbuffer;
2302
                    size_t logbuffer_size;
2303
                    if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2304
                        fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2305 296df4e7 Ramiro Polla
                        av_exit(1);
2306 1629626f Fabrice Bellard
                    }
2307
                    codec->stats_in = logbuffer;
2308 5abdb4b1 Fabrice Bellard
                }
2309
            }
2310
        }
2311 72415b2a Stefano Sabatini
        if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2312 8a6cb114 Michael Niedermayer
            int size= codec->width * codec->height;
2313 c027e91a Peter Ross
            bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2314 8a6cb114 Michael Niedermayer
        }
2315 85f07f22 Fabrice Bellard
    }
2316
2317 8a6cb114 Michael Niedermayer
    if (!bit_buffer)
2318
        bit_buffer = av_malloc(bit_buffer_size);
2319 002c95d7 Baptiste Coudurier
    if (!bit_buffer) {
2320 50f3fabc Måns Rullgård
        fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2321
                bit_buffer_size);
2322 002c95d7 Baptiste Coudurier
        ret = AVERROR(ENOMEM);
2323 8a6cb114 Michael Niedermayer
        goto fail;
2324 1629626f Fabrice Bellard
    }
2325
2326 85f07f22 Fabrice Bellard
    /* open each encoder */
2327
    for(i=0;i<nb_ostreams;i++) {
2328
        ost = ost_table[i];
2329
        if (ost->encoding_needed) {
2330 6488cf9b Aurelien Jacobs
            AVCodec *codec = output_codecs[i];
2331
            if (!codec)
2332 fd2b356a Aurelien Jacobs
                codec = avcodec_find_encoder(ost->st->codec->codec_id);
2333 85f07f22 Fabrice Bellard
            if (!codec) {
2334 f356fc57 Baptiste Coudurier
                snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2335
                         ost->st->codec->codec_id, ost->file_index, ost->index);
2336 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2337
                goto dump_format;
2338 85f07f22 Fabrice Bellard
            }
2339 01f4895c Michael Niedermayer
            if (avcodec_open(ost->st->codec, codec) < 0) {
2340 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",
2341 85f07f22 Fabrice Bellard
                        ost->file_index, ost->index);
2342 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2343
                goto dump_format;
2344 85f07f22 Fabrice Bellard
            }
2345 01f4895c Michael Niedermayer
            extra_size += ost->st->codec->extradata_size;
2346 85f07f22 Fabrice Bellard
        }
2347
    }
2348
2349
    /* open each decoder */
2350
    for(i=0;i<nb_istreams;i++) {
2351
        ist = ist_table[i];
2352
        if (ist->decoding_needed) {
2353 6488cf9b Aurelien Jacobs
            AVCodec *codec = input_codecs[i];
2354
            if (!codec)
2355 fd2b356a Aurelien Jacobs
                codec = avcodec_find_decoder(ist->st->codec->codec_id);
2356 85f07f22 Fabrice Bellard
            if (!codec) {
2357 f356fc57 Baptiste Coudurier
                snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2358 01f4895c Michael Niedermayer
                        ist->st->codec->codec_id, ist->file_index, ist->index);
2359 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2360
                goto dump_format;
2361 85f07f22 Fabrice Bellard
            }
2362 01f4895c Michael Niedermayer
            if (avcodec_open(ist->st->codec, codec) < 0) {
2363 f356fc57 Baptiste Coudurier
                snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2364 85f07f22 Fabrice Bellard
                        ist->file_index, ist->index);
2365 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2366
                goto dump_format;
2367 85f07f22 Fabrice Bellard
            }
2368 72415b2a Stefano Sabatini
            //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2369 01f4895c Michael Niedermayer
            //    ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2370 85f07f22 Fabrice Bellard
        }
2371
    }
2372
2373
    /* init pts */
2374
    for(i=0;i<nb_istreams;i++) {
2375 b8c93c48 Michael Niedermayer
        AVStream *st;
2376 85f07f22 Fabrice Bellard
        ist = ist_table[i];
2377 b8c93c48 Michael Niedermayer
        st= ist->st;
2378
        ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2379 48291040 Michael Niedermayer
        ist->next_pts = AV_NOPTS_VALUE;
2380 ff4905a5 Michael Niedermayer
        ist->is_start = 1;
2381 85f07f22 Fabrice Bellard
    }
2382 c5e1e982 Justin Johnson
2383 0a38bafd Patrice Bensoussan
    /* set meta data information from input file if required */
2384
    for (i=0;i<nb_meta_data_maps;i++) {
2385
        AVFormatContext *out_file;
2386
        AVFormatContext *in_file;
2387 a5926d85 Aurelien Jacobs
        AVMetadataTag *mtag;
2388 0a38bafd Patrice Bensoussan
2389
        int out_file_index = meta_data_maps[i].out_file;
2390
        int in_file_index = meta_data_maps[i].in_file;
2391 9d58e0a9 Baptiste Coudurier
        if (out_file_index < 0 || out_file_index >= nb_output_files) {
2392 002c95d7 Baptiste Coudurier
            snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2393
                     out_file_index, out_file_index, in_file_index);
2394 8fa36ae0 François Revol
            ret = AVERROR(EINVAL);
2395 002c95d7 Baptiste Coudurier
            goto dump_format;
2396 0a38bafd Patrice Bensoussan
        }
2397 9d58e0a9 Baptiste Coudurier
        if (in_file_index < 0 || in_file_index >= nb_input_files) {
2398 002c95d7 Baptiste Coudurier
            snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2399
                     in_file_index, out_file_index, in_file_index);
2400 8fa36ae0 François Revol
            ret = AVERROR(EINVAL);
2401 002c95d7 Baptiste Coudurier
            goto dump_format;
2402 115329f1 Diego Biurrun
        }
2403
2404 0a38bafd Patrice Bensoussan
        out_file = output_files[out_file_index];
2405
        in_file = input_files[in_file_index];
2406
2407 a5926d85 Aurelien Jacobs
2408
        mtag=NULL;
2409
        while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2410 1a6498d7 Anton Khirnov
            av_metadata_set2(&out_file->metadata, mtag->key, mtag->value, AV_METADATA_DONT_OVERWRITE);
2411 a5926d85 Aurelien Jacobs
        av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2412
                                    in_file->iformat->metadata_conv);
2413 0a38bafd Patrice Bensoussan
    }
2414 115329f1 Diego Biurrun
2415 7a39f142 Anton Khirnov
    /* copy chapters from the first input file that has them*/
2416
    for (i = 0; i < nb_input_files; i++) {
2417
        if (!input_files[i]->nb_chapters)
2418
            continue;
2419
2420
        for (j = 0; j < nb_output_files; j++)
2421
            if ((ret = copy_chapters(i, j)) < 0)
2422
                goto dump_format;
2423
    }
2424
2425 85f07f22 Fabrice Bellard
    /* open files and write file headers */
2426
    for(i=0;i<nb_output_files;i++) {
2427
        os = output_files[i];
2428 79fdaa4c Fabrice Bellard
        if (av_write_header(os) < 0) {
2429 002c95d7 Baptiste Coudurier
            snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2430 8fa36ae0 François Revol
            ret = AVERROR(EINVAL);
2431 002c95d7 Baptiste Coudurier
            goto dump_format;
2432 a38469e1 Fabrice Bellard
        }
2433 6d1ba1ac Luca Abeni
        if (strcmp(output_files[i]->oformat->name, "rtp")) {
2434
            want_sdp = 0;
2435
        }
2436
    }
2437 002c95d7 Baptiste Coudurier
2438
 dump_format:
2439
    /* dump the file output parameters - cannot be done before in case
2440
       of stream copy */
2441
    for(i=0;i<nb_output_files;i++) {
2442
        dump_format(output_files[i], i, output_files[i]->filename, 1);
2443
    }
2444
2445
    /* dump the stream mapping */
2446
    if (verbose >= 0) {
2447
        fprintf(stderr, "Stream mapping:\n");
2448
        for(i=0;i<nb_ostreams;i++) {
2449
            ost = ost_table[i];
2450
            fprintf(stderr, "  Stream #%d.%d -> #%d.%d",
2451
                    ist_table[ost->source_index]->file_index,
2452
                    ist_table[ost->source_index]->index,
2453
                    ost->file_index,
2454
                    ost->index);
2455
            if (ost->sync_ist != ist_table[ost->source_index])
2456
                fprintf(stderr, " [sync #%d.%d]",
2457
                        ost->sync_ist->file_index,
2458
                        ost->sync_ist->index);
2459
            fprintf(stderr, "\n");
2460
        }
2461
    }
2462
2463
    if (ret) {
2464
        fprintf(stderr, "%s\n", error);
2465
        goto fail;
2466
    }
2467
2468 6d1ba1ac Luca Abeni
    if (want_sdp) {
2469
        print_sdp(output_files, nb_output_files);
2470 85f07f22 Fabrice Bellard
    }
2471
2472 9d58e0a9 Baptiste Coudurier
    if (!using_stdin && verbose >= 0) {
2473 d9a916e2 Charles Yates
        fprintf(stderr, "Press [q] to stop encoding\n");
2474 b51469a0 Leon van Stuivenberg
        url_set_interrupt_cb(decode_interrupt_cb);
2475
    }
2476 a38469e1 Fabrice Bellard
    term_init();
2477
2478 7fc98937 Limin Wang
    timer_start = av_gettime();
2479 51bd4565 Philip Gladstone
2480 d9a916e2 Charles Yates
    for(; received_sigterm == 0;) {
2481 85f07f22 Fabrice Bellard
        int file_index, ist_index;
2482
        AVPacket pkt;
2483 a9aeda81 Patrice Bensoussan
        double ipts_min;
2484
        double opts_min;
2485 23ffe323 Michael Niedermayer
2486 85f07f22 Fabrice Bellard
    redo:
2487 a9aeda81 Patrice Bensoussan
        ipts_min= 1e100;
2488
        opts_min= 1e100;
2489 a38469e1 Fabrice Bellard
        /* if 'q' pressed, exits */
2490 d9a916e2 Charles Yates
        if (!using_stdin) {
2491 b51469a0 Leon van Stuivenberg
            if (q_pressed)
2492
                break;
2493 cb09b2ed Philip Gladstone
            /* read_key() returns 0 on EOF */
2494
            key = read_key();
2495
            if (key == 'q')
2496
                break;
2497
        }
2498 a38469e1 Fabrice Bellard
2499 ec5517d5 Fabrice Bellard
        /* select the stream that we must read now by looking at the
2500
           smallest output pts */
2501 85f07f22 Fabrice Bellard
        file_index = -1;
2502 ec5517d5 Fabrice Bellard
        for(i=0;i<nb_ostreams;i++) {
2503 23ffe323 Michael Niedermayer
            double ipts, opts;
2504 ec5517d5 Fabrice Bellard
            ost = ost_table[i];
2505
            os = output_files[ost->file_index];
2506
            ist = ist_table[ost->source_index];
2507 55a7e946 Wolfram Gloger
            if(ist->is_past_recording_time || no_packet[ist->file_index])
2508 545465ec Michael Niedermayer
                continue;
2509 c0df9d75 Michael Niedermayer
                opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2510 23ffe323 Michael Niedermayer
            ipts = (double)ist->pts;
2511
            if (!file_table[ist->file_index].eof_reached){
2512
                if(ipts < ipts_min) {
2513
                    ipts_min = ipts;
2514
                    if(input_sync ) file_index = ist->file_index;
2515
                }
2516
                if(opts < opts_min) {
2517
                    opts_min = opts;
2518
                    if(!input_sync) file_index = ist->file_index;
2519
                }
2520 85f07f22 Fabrice Bellard
            }
2521 01f4895c Michael Niedermayer
            if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2522 7ca60994 Michael Niedermayer
                file_index= -1;
2523
                break;
2524
            }
2525 85f07f22 Fabrice Bellard
        }
2526
        /* if none, if is finished */
2527 51bd4565 Philip Gladstone
        if (file_index < 0) {
2528 545465ec Michael Niedermayer
            if(no_packet_count){
2529
                no_packet_count=0;
2530
                memset(no_packet, 0, sizeof(no_packet));
2531 d61f30a7 Michael Niedermayer
                usleep(10000);
2532 545465ec Michael Niedermayer
                continue;
2533
            }
2534 85f07f22 Fabrice Bellard
            break;
2535 ec5517d5 Fabrice Bellard
        }
2536
2537 b6e16b86 Calcium
        /* finish if limit size exhausted */
2538 899681cd Björn Axelsson
        if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2539 b6e16b86 Calcium
            break;
2540
2541 254abc2e Fabrice Bellard
        /* read a frame from it and output it in the fifo */
2542 85f07f22 Fabrice Bellard
        is = input_files[file_index];
2543 ad51c68c Michael Niedermayer
        ret= av_read_frame(is, &pkt);
2544 b9edbe99 Baptiste Coudurier
        if(ret == AVERROR(EAGAIN)){
2545 545465ec Michael Niedermayer
            no_packet[file_index]=1;
2546
            no_packet_count++;
2547 ad51c68c Michael Niedermayer
            continue;
2548 545465ec Michael Niedermayer
        }
2549 ad51c68c Michael Niedermayer
        if (ret < 0) {
2550 85f07f22 Fabrice Bellard
            file_table[file_index].eof_reached = 1;
2551 d24ce947 Alex Beregszaszi
            if (opt_shortest)
2552
                break;
2553
            else
2554
                continue;
2555 85f07f22 Fabrice Bellard
        }
2556 303e50e6 Michael Niedermayer
2557 545465ec Michael Niedermayer
        no_packet_count=0;
2558
        memset(no_packet, 0, sizeof(no_packet));
2559
2560 254abc2e Fabrice Bellard
        if (do_pkt_dump) {
2561 750f0e1f Panagiotis Issaris
            av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2562 817b23ff Fabrice Bellard
        }
2563 79fdaa4c Fabrice Bellard
        /* the following test is needed in case new streams appear
2564
           dynamically in stream : we ignore them */
2565
        if (pkt.stream_index >= file_table[file_index].nb_streams)
2566 bf5af568 Fabrice Bellard
            goto discard_packet;
2567 85f07f22 Fabrice Bellard
        ist_index = file_table[file_index].ist_index + pkt.stream_index;
2568
        ist = ist_table[ist_index];
2569 bf5af568 Fabrice Bellard
        if (ist->discard)
2570
            goto discard_packet;
2571 85f07f22 Fabrice Bellard
2572 fec401f7 Michael Niedermayer
        if (pkt.dts != AV_NOPTS_VALUE)
2573
            pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2574