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ffmpeg / ffmpeg.c @ 1cee4eaf

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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 245976da Diego Biurrun
#include "libavutil/fifo.h"
40
#include "libavutil/avstring.h"
41
#include "libavformat/os_support.h"
42 daf8e955 Fabrice Bellard
43 b250f9c6 Aurelien Jacobs
#if HAVE_SYS_RESOURCE_H
44 0a1b29de Dave Yeo
#include <sys/types.h>
45 b091aa44 Ramiro Polla
#include <sys/resource.h>
46 b250f9c6 Aurelien Jacobs
#elif HAVE_GETPROCESSTIMES
47 7495c306 Ramiro Polla
#include <windows.h>
48
#endif
49
50 b250f9c6 Aurelien Jacobs
#if HAVE_SYS_SELECT_H
51 fb1d2d7b Baptiste Coudurier
#include <sys/select.h>
52
#endif
53
54 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
55 85f07f22 Fabrice Bellard
#include <fcntl.h>
56
#include <sys/ioctl.h>
57
#include <sys/time.h>
58
#include <termios.h>
59 b250f9c6 Aurelien Jacobs
#elif HAVE_CONIO_H
60 4b54c6d0 Ramiro Polla
#include <conio.h>
61 bdc4796f Fabrice Bellard
#endif
62 64c020a8 Michael Niedermayer
#undef time //needed because HAVE_AV_CONFIG_H is defined on top
63 bf5af568 Fabrice Bellard
#include <time.h>
64 85f07f22 Fabrice Bellard
65 01310af2 Fabrice Bellard
#include "cmdutils.h"
66
67 2b18dcd0 Michael Niedermayer
#undef NDEBUG
68
#include <assert.h>
69
70 c367d067 Michael Niedermayer
#undef exit
71
72 64555bd9 Michael Niedermayer
const char program_name[] = "FFmpeg";
73 ea9c581f Stefano Sabatini
const int program_birth_year = 2000;
74 86074ed1 Stefano Sabatini
75 85f07f22 Fabrice Bellard
/* select an input stream for an output stream */
76
typedef struct AVStreamMap {
77
    int file_index;
78
    int stream_index;
79 b4a3389e Wolfram Gloger
    int sync_file_index;
80
    int sync_stream_index;
81 85f07f22 Fabrice Bellard
} AVStreamMap;
82
83 0a38bafd Patrice Bensoussan
/** select an input file for an output file */
84
typedef struct AVMetaDataMap {
85
    int out_file;
86
    int in_file;
87
} AVMetaDataMap;
88
89 580a6c57 Diego Pettenò
static const OptionDef options[];
90 85f07f22 Fabrice Bellard
91
#define MAX_FILES 20
92
93
static AVFormatContext *input_files[MAX_FILES];
94 a6a92a9a Wolfram Gloger
static int64_t input_files_ts_offset[MAX_FILES];
95 8833f375 Michael Niedermayer
static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
96 6488cf9b Aurelien Jacobs
static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
97 85f07f22 Fabrice Bellard
static int nb_input_files = 0;
98 6488cf9b Aurelien Jacobs
static int nb_icodecs;
99 85f07f22 Fabrice Bellard
100
static AVFormatContext *output_files[MAX_FILES];
101 6488cf9b Aurelien Jacobs
static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
102 85f07f22 Fabrice Bellard
static int nb_output_files = 0;
103 6488cf9b Aurelien Jacobs
static int nb_ocodecs;
104 85f07f22 Fabrice Bellard
105 f44fd374 Stefano Sabatini
static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
106 85f07f22 Fabrice Bellard
static int nb_stream_maps;
107
108 0a38bafd Patrice Bensoussan
static AVMetaDataMap meta_data_maps[MAX_FILES];
109
static int nb_meta_data_maps;
110
111 79fdaa4c Fabrice Bellard
static AVInputFormat *file_iformat;
112
static AVOutputFormat *file_oformat;
113 55cf1959 Michael Niedermayer
static int frame_width  = 0;
114
static int frame_height = 0;
115 880e8ba7 Roman Shaposhnik
static float frame_aspect_ratio = 0;
116 644a9262 Michael Niedermayer
static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
117 ce1ee094 Peter Ross
static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
118 1ff93ffc Todd Kirby
static int frame_padtop  = 0;
119
static int frame_padbottom = 0;
120
static int frame_padleft  = 0;
121
static int frame_padright = 0;
122
static int padcolor[3] = {16,128,128}; /* default to black */
123 ab6d194a Michael Niedermayer
static int frame_topBand  = 0;
124
static int frame_bottomBand = 0;
125
static int frame_leftBand  = 0;
126
static int frame_rightBand = 0;
127 cf7fc795 Fabrice Bellard
static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
128 89129c6b Diego Biurrun
static AVRational frame_rate;
129 158c7f05 Michael Niedermayer
static float video_qscale = 0;
130 84f608f4 Vidar Madsen
static uint16_t *intra_matrix = NULL;
131
static uint16_t *inter_matrix = NULL;
132 ac2830ec Michael Niedermayer
#if 0 //experimental, (can be removed)
133 3aa102be Michael Niedermayer
static float video_rc_qsquish=1.0;
134
static float video_rc_qmod_amp=0;
135
static int video_rc_qmod_freq=0;
136 ac2830ec Michael Niedermayer
#endif
137 464a631c Morten Hustveit
static const char *video_rc_override_string=NULL;
138 85f07f22 Fabrice Bellard
static int video_disable = 0;
139 f3356e9c Michael Niedermayer
static int video_discard = 0;
140 4a897224 Nicolas George
static char *video_codec_name = NULL;
141 b2a2197e Michael Niedermayer
static int video_codec_tag = 0;
142 85f07f22 Fabrice Bellard
static int same_quality = 0;
143 cfcf0ffd Fabrice Bellard
static int do_deinterlace = 0;
144 bb198e19 Michael Niedermayer
static int top_field_first = -1;
145 f4f3223f Michael Niedermayer
static int me_threshold = 0;
146 1a11cbcc Michael Niedermayer
static int intra_dc_precision = 8;
147 5894e1bb Víctor Paesa
static int loop_input = 0;
148 8108551a Todd Kirby
static int loop_output = AVFMT_NOOUTPUTLOOP;
149 0888fd22 Michael Niedermayer
static int qp_hist = 0;
150 85f07f22 Fabrice Bellard
151
static int intra_only = 0;
152
static int audio_sample_rate = 44100;
153 13367a46 Benjamin Larsson
static int64_t channel_layout = 0;
154 c57c770d Justin Ruggles
#define QSCALE_NONE -99999
155
static float audio_qscale = QSCALE_NONE;
156 85f07f22 Fabrice Bellard
static int audio_disable = 0;
157
static int audio_channels = 1;
158 4a897224 Nicolas George
static char  *audio_codec_name = NULL;
159 b2a2197e Michael Niedermayer
static int audio_codec_tag = 0;
160 cf7fc795 Fabrice Bellard
static char *audio_language = NULL;
161
162 11bf3847 Aurelien Jacobs
static int subtitle_disable = 0;
163 4a897224 Nicolas George
static char *subtitle_codec_name = NULL;
164 cf7fc795 Fabrice Bellard
static char *subtitle_language = NULL;
165 27ad7d3a Baptiste Coudurier
static int subtitle_codec_tag = 0;
166 85f07f22 Fabrice Bellard
167 17c88cb0 Michael Niedermayer
static float mux_preload= 0.5;
168
static float mux_max_delay= 0.7;
169 2db3c638 Michael Niedermayer
170 fc7ad2af Stefano Sabatini
static int64_t recording_time = INT64_MAX;
171 8831db5c Michael Niedermayer
static int64_t start_time = 0;
172 4568325a Roman Shaposhnik
static int64_t rec_timestamp = 0;
173 a6a92a9a Wolfram Gloger
static int64_t input_ts_offset = 0;
174 85f07f22 Fabrice Bellard
static int file_overwrite = 0;
175 a5926d85 Aurelien Jacobs
static int metadata_count;
176
static AVMetadataTag *metadata;
177 5727b222 Fabrice Bellard
static int do_benchmark = 0;
178 a0663ba4 Fabrice Bellard
static int do_hex_dump = 0;
179 254abc2e Fabrice Bellard
static int do_pkt_dump = 0;
180 43f1708f Juanjo
static int do_psnr = 0;
181 5abdb4b1 Fabrice Bellard
static int do_pass = 0;
182 ad16627f Stefano Sabatini
static char *pass_logfilename_prefix = NULL;
183 1629626f Fabrice Bellard
static int audio_stream_copy = 0;
184
static int video_stream_copy = 0;
185 cf7fc795 Fabrice Bellard
static int subtitle_stream_copy = 0;
186 8858816d Michael Niedermayer
static int video_sync_method= -1;
187 986ebcdb Michael Niedermayer
static int audio_sync_method= 0;
188 d4d226a8 Michael Niedermayer
static float audio_drift_threshold= 0.1;
189 72bd8100 Michael Niedermayer
static int copy_ts= 0;
190 76bdac6d Stefano Sabatini
static int opt_shortest = 0;
191 90ad92b3 Michael Niedermayer
static int video_global_header = 0;
192 b60d1379 Stefano Sabatini
static char *vstats_filename;
193 032aa7df Stefano Sabatini
static FILE *vstats_file;
194 50e143c4 Nico Sabbi
static int opt_programid = 0;
195 50e3477f Wolfram Gloger
static int copy_initial_nonkeyframes = 0;
196 5abdb4b1 Fabrice Bellard
197 bdfcbbed Max Krasnyansky
static int rate_emu = 0;
198
199 a5df11ab Fabrice Bellard
static int  video_channel = 0;
200 df0cecdd Luca Abeni
static char *video_standard;
201 79a7c268 Fabrice Bellard
202 a9aa3467 Michael Niedermayer
static int audio_volume = 256;
203 8aa3ee32 Max Krasnyansky
204 f2abc559 Baptiste Coudurier
static int exit_on_error = 0;
205 d9a916e2 Charles Yates
static int using_stdin = 0;
206 f068206e Bill Eldridge
static int verbose = 1;
207 9c3d33d6 Michael Niedermayer
static int thread_count= 1;
208 b51469a0 Leon van Stuivenberg
static int q_pressed = 0;
209 1008ceb3 Michael Niedermayer
static int64_t video_size = 0;
210
static int64_t audio_size = 0;
211
static int64_t extra_size = 0;
212 a6a92a9a Wolfram Gloger
static int nb_frames_dup = 0;
213
static int nb_frames_drop = 0;
214 6e454c38 Luca Abeni
static int input_sync;
215 76bdac6d Stefano Sabatini
static uint64_t limit_filesize = 0;
216 d2845b75 Stefano Sabatini
static int force_fps = 0;
217 d9a916e2 Charles Yates
218 5b6d5596 Michael Niedermayer
static int pgmyuv_compatibility_hack=0;
219 a8482aab Michael Niedermayer
static float dts_delta_threshold = 10;
220 5b6d5596 Michael Niedermayer
221 e60da588 Michael Niedermayer
static unsigned int sws_flags = SWS_BICUBIC;
222 18a54b04 Luca Abeni
223 29cc1c23 Benoit Fouet
static int64_t timer_start;
224 8bbf6db9 Michael Niedermayer
225 748c2fca Michael Niedermayer
static AVBitStreamFilterContext *video_bitstream_filters=NULL;
226
static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
227 e1cc8339 Reimar Döffinger
static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
228 748c2fca Michael Niedermayer
static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
229 5b6d5596 Michael Niedermayer
230 ad16627f Stefano Sabatini
#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
231 85f07f22 Fabrice Bellard
232 b4a3389e Wolfram Gloger
struct AVInputStream;
233
234 85f07f22 Fabrice Bellard
typedef struct AVOutputStream {
235
    int file_index;          /* file index */
236
    int index;               /* stream index in the output file */
237
    int source_index;        /* AVInputStream index */
238
    AVStream *st;            /* stream in the output file */
239 ec5517d5 Fabrice Bellard
    int encoding_needed;     /* true if encoding needed for this stream */
240
    int frame_number;
241
    /* input pts and corresponding output pts
242
       for A/V sync */
243 b4a3389e Wolfram Gloger
    //double sync_ipts;        /* dts from the AVPacket of the demuxer in second units */
244
    struct AVInputStream *sync_ist; /* input stream to sync against */
245 e928649b Michael Niedermayer
    int64_t sync_opts;       /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
246 85f07f22 Fabrice Bellard
    /* video only */
247 07d0cdfc Luca Abeni
    int video_resample;
248 a4d36c11 Michael Niedermayer
    AVFrame pict_tmp;      /* temporary image for resampling */
249 18a54b04 Luca Abeni
    struct SwsContext *img_resample_ctx; /* for image resampling */
250
    int resample_height;
251 34b10a57 Dieter
252 07d0cdfc Luca Abeni
    int video_crop;
253 34b10a57 Dieter
    int topBand;             /* cropping area sizes */
254
    int leftBand;
255 115329f1 Diego Biurrun
256 07d0cdfc Luca Abeni
    int video_pad;
257 1ff93ffc Todd Kirby
    int padtop;              /* padding area sizes */
258
    int padbottom;
259
    int padleft;
260
    int padright;
261 115329f1 Diego Biurrun
262 85f07f22 Fabrice Bellard
    /* audio only */
263
    int audio_resample;
264
    ReSampleContext *resample; /* for audio resampling */
265 a79db0f7 Peter Ross
    int reformat_pair;
266
    AVAudioConvert *reformat_ctx;
267 41dd680d Michael Niedermayer
    AVFifoBuffer *fifo;     /* for compression: one audio fifo per codec */
268 5abdb4b1 Fabrice Bellard
    FILE *logfile;
269 85f07f22 Fabrice Bellard
} AVOutputStream;
270
271
typedef struct AVInputStream {
272
    int file_index;
273
    int index;
274
    AVStream *st;
275
    int discard;             /* true if stream data should be discarded */
276
    int decoding_needed;     /* true if the packets must be decoded in 'raw_fifo' */
277 0c1a9eda Zdenek Kabelac
    int64_t sample_index;      /* current sample */
278 bdfcbbed Max Krasnyansky
279
    int64_t       start;     /* time when read started */
280 254abc2e Fabrice Bellard
    int64_t       next_pts;  /* synthetic pts for cases where pkt.pts
281
                                is not defined */
282 e7d0374f Roman Shaposhnik
    int64_t       pts;       /* current pts */
283 ff4905a5 Michael Niedermayer
    int is_start;            /* is 1 at the start and after a discontinuity */
284 85f07f22 Fabrice Bellard
} AVInputStream;
285
286
typedef struct AVInputFile {
287
    int eof_reached;      /* true if eof reached */
288
    int ist_index;        /* index of first stream in ist_table */
289
    int buffer_size;      /* current total buffer size */
290 79fdaa4c Fabrice Bellard
    int nb_streams;       /* nb streams we are aware of */
291 85f07f22 Fabrice Bellard
} AVInputFile;
292
293 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
294 bdc4796f Fabrice Bellard
295 85f07f22 Fabrice Bellard
/* init terminal so that we can grab keys */
296
static struct termios oldtty;
297 d86b83f8 Ramiro Polla
#endif
298 85f07f22 Fabrice Bellard
299
static void term_exit(void)
300
{
301 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
302 85f07f22 Fabrice Bellard
    tcsetattr (0, TCSANOW, &oldtty);
303 d86b83f8 Ramiro Polla
#endif
304 85f07f22 Fabrice Bellard
}
305
306 9680a722 Roumen Petrov
static volatile sig_atomic_t received_sigterm = 0;
307
308
static void
309
sigterm_handler(int sig)
310
{
311
    received_sigterm = sig;
312
    term_exit();
313
}
314
315 85f07f22 Fabrice Bellard
static void term_init(void)
316
{
317 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
318 85f07f22 Fabrice Bellard
    struct termios tty;
319
320
    tcgetattr (0, &tty);
321
    oldtty = tty;
322
323
    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
324
                          |INLCR|IGNCR|ICRNL|IXON);
325
    tty.c_oflag |= OPOST;
326
    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
327
    tty.c_cflag &= ~(CSIZE|PARENB);
328
    tty.c_cflag |= CS8;
329
    tty.c_cc[VMIN] = 1;
330
    tty.c_cc[VTIME] = 0;
331 115329f1 Diego Biurrun
332 85f07f22 Fabrice Bellard
    tcsetattr (0, TCSANOW, &tty);
333 d86b83f8 Ramiro Polla
    signal(SIGQUIT, sigterm_handler); /* Quit (POSIX).  */
334
#endif
335 85f07f22 Fabrice Bellard
336 9680a722 Roumen Petrov
    signal(SIGINT , sigterm_handler); /* Interrupt (ANSI).  */
337
    signal(SIGTERM, sigterm_handler); /* Termination (ANSI).  */
338
    /*
339
    register a function to be called at normal program termination
340
    */
341 85f07f22 Fabrice Bellard
    atexit(term_exit);
342 b250f9c6 Aurelien Jacobs
#if CONFIG_BEOS_NETSERVER
343 9ddd71fc François Revol
    fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
344
#endif
345 85f07f22 Fabrice Bellard
}
346
347
/* read a key without blocking */
348
static int read_key(void)
349
{
350 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
351 9ddd71fc François Revol
    int n = 1;
352 85f07f22 Fabrice Bellard
    unsigned char ch;
353 b250f9c6 Aurelien Jacobs
#if !CONFIG_BEOS_NETSERVER
354 9ddd71fc François Revol
    struct timeval tv;
355 85f07f22 Fabrice Bellard
    fd_set rfds;
356
357
    FD_ZERO(&rfds);
358
    FD_SET(0, &rfds);
359
    tv.tv_sec = 0;
360
    tv.tv_usec = 0;
361
    n = select(1, &rfds, NULL, NULL, &tv);
362 9ddd71fc François Revol
#endif
363 85f07f22 Fabrice Bellard
    if (n > 0) {
364 cb09b2ed Philip Gladstone
        n = read(0, &ch, 1);
365
        if (n == 1)
366 85f07f22 Fabrice Bellard
            return ch;
367 cb09b2ed Philip Gladstone
368
        return n;
369 85f07f22 Fabrice Bellard
    }
370 b250f9c6 Aurelien Jacobs
#elif HAVE_CONIO_H
371 4b54c6d0 Ramiro Polla
    if(kbhit())
372
        return(getch());
373 d86b83f8 Ramiro Polla
#endif
374 85f07f22 Fabrice Bellard
    return -1;
375
}
376
377 b51469a0 Leon van Stuivenberg
static int decode_interrupt_cb(void)
378
{
379
    return q_pressed || (q_pressed = read_key() == 'q');
380
}
381
382 296df4e7 Ramiro Polla
static int av_exit(int ret)
383 e5295c0d Ramiro Polla
{
384
    int i;
385
386
    /* close files */
387
    for(i=0;i<nb_output_files;i++) {
388
        /* maybe av_close_output_file ??? */
389
        AVFormatContext *s = output_files[i];
390
        int j;
391 8767060c Ramiro Polla
        if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
392 e5295c0d Ramiro Polla
            url_fclose(s->pb);
393
        for(j=0;j<s->nb_streams;j++) {
394 094d9df7 Aurelien Jacobs
            av_metadata_free(&s->streams[j]->metadata);
395 e5295c0d Ramiro Polla
            av_free(s->streams[j]->codec);
396
            av_free(s->streams[j]);
397
        }
398 094d9df7 Aurelien Jacobs
        for(j=0;j<s->nb_programs;j++) {
399
            av_metadata_free(&s->programs[j]->metadata);
400
        }
401
        for(j=0;j<s->nb_chapters;j++) {
402
            av_metadata_free(&s->chapters[j]->metadata);
403
        }
404
        av_metadata_free(&s->metadata);
405 e5295c0d Ramiro Polla
        av_free(s);
406
    }
407
    for(i=0;i<nb_input_files;i++)
408
        av_close_input_file(input_files[i]);
409
410
    av_free(intra_matrix);
411
    av_free(inter_matrix);
412
413
    if (vstats_file)
414
        fclose(vstats_file);
415
    av_free(vstats_filename);
416
417
    av_free(opt_names);
418
419
    av_free(video_codec_name);
420
    av_free(audio_codec_name);
421
    av_free(subtitle_codec_name);
422
423
    av_free(video_standard);
424
425 b250f9c6 Aurelien Jacobs
#if CONFIG_POWERPC_PERF
426 9686df2b Diego Biurrun
    void powerpc_display_perf_report(void);
427 e5295c0d Ramiro Polla
    powerpc_display_perf_report();
428
#endif /* CONFIG_POWERPC_PERF */
429
430
    if (received_sigterm) {
431
        fprintf(stderr,
432
            "Received signal %d: terminating.\n",
433
            (int) received_sigterm);
434
        exit (255);
435
    }
436
437 296df4e7 Ramiro Polla
    exit(ret); /* not all OS-es handle main() return value */
438
    return ret;
439 e5295c0d Ramiro Polla
}
440
441 b29f97d1 Zdenek Kabelac
static int read_ffserver_streams(AVFormatContext *s, const char *filename)
442 85f07f22 Fabrice Bellard
{
443 79fdaa4c Fabrice Bellard
    int i, err;
444 85f07f22 Fabrice Bellard
    AVFormatContext *ic;
445 3438d82d Baptiste Coudurier
    int nopts = 0;
446 85f07f22 Fabrice Bellard
447 79fdaa4c Fabrice Bellard
    err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
448
    if (err < 0)
449
        return err;
450 85f07f22 Fabrice Bellard
    /* copy stream format */
451
    s->nb_streams = ic->nb_streams;
452
    for(i=0;i<ic->nb_streams;i++) {
453
        AVStream *st;
454 1e491e29 Michael Niedermayer
455 f37f8d4c Alex Beregszaszi
        // FIXME: a more elegant solution is needed
456 e1031171 Alex Beregszaszi
        st = av_mallocz(sizeof(AVStream));
457 85f07f22 Fabrice Bellard
        memcpy(st, ic->streams[i], sizeof(AVStream));
458 f37f8d4c Alex Beregszaszi
        st->codec = avcodec_alloc_context();
459
        memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
460 85f07f22 Fabrice Bellard
        s->streams[i] = st;
461 837d248d Baptiste Coudurier
462
        if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
463
            st->stream_copy = 1;
464
        else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
465
            st->stream_copy = 1;
466
467 dbedf2aa Baptiste Coudurier
        if(!st->codec->thread_count)
468
            st->codec->thread_count = 1;
469
        if(st->codec->thread_count>1)
470
            avcodec_thread_init(st->codec, st->codec->thread_count);
471
472 3438d82d Baptiste Coudurier
        if(st->codec->flags & CODEC_FLAG_BITEXACT)
473
            nopts = 1;
474 85f07f22 Fabrice Bellard
    }
475
476 3438d82d Baptiste Coudurier
    if (!nopts)
477
        s->timestamp = av_gettime();
478
479 85f07f22 Fabrice Bellard
    av_close_input_file(ic);
480
    return 0;
481
}
482
483 b4a3389e Wolfram Gloger
static double
484
get_sync_ipts(const AVOutputStream *ost)
485
{
486
    const AVInputStream *ist = ost->sync_ist;
487 fec401f7 Michael Niedermayer
    return (double)(ist->pts - start_time)/AV_TIME_BASE;
488 b4a3389e Wolfram Gloger
}
489
490 748c2fca Michael Niedermayer
static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
491 0ac07031 Michael Niedermayer
    int ret;
492
493 748c2fca Michael Niedermayer
    while(bsfc){
494
        AVPacket new_pkt= *pkt;
495
        int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
496
                                          &new_pkt.data, &new_pkt.size,
497
                                          pkt->data, pkt->size,
498
                                          pkt->flags & PKT_FLAG_KEY);
499 7055cdac Benoit Fouet
        if(a>0){
500 748c2fca Michael Niedermayer
            av_free_packet(pkt);
501
            new_pkt.destruct= av_destruct_packet;
502 7055cdac Benoit Fouet
        } else if(a<0){
503 1f8e32cd Diego Biurrun
            fprintf(stderr, "%s failed for stream %d, codec %s",
504
                    bsfc->filter->name, pkt->stream_index,
505
                    avctx->codec ? avctx->codec->name : "copy");
506 7055cdac Benoit Fouet
            print_error("", a);
507 f2abc559 Baptiste Coudurier
            if (exit_on_error)
508
                av_exit(1);
509 748c2fca Michael Niedermayer
        }
510
        *pkt= new_pkt;
511
512
        bsfc= bsfc->next;
513
    }
514
515 0ac07031 Michael Niedermayer
    ret= av_interleaved_write_frame(s, pkt);
516
    if(ret < 0){
517
        print_error("av_interleaved_write_frame()", ret);
518 296df4e7 Ramiro Polla
        av_exit(1);
519 0ac07031 Michael Niedermayer
    }
520 748c2fca Michael Niedermayer
}
521
522 817b23ff Fabrice Bellard
#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
523 85f07f22 Fabrice Bellard
524 115329f1 Diego Biurrun
static void do_audio_out(AVFormatContext *s,
525
                         AVOutputStream *ost,
526 85f07f22 Fabrice Bellard
                         AVInputStream *ist,
527
                         unsigned char *buf, int size)
528
{
529 0c1a9eda Zdenek Kabelac
    uint8_t *buftmp;
530 d66c7abc Sylvain Corré
    static uint8_t *audio_buf = NULL;
531
    static uint8_t *audio_out = NULL;
532 a79db0f7 Peter Ross
    static uint8_t *audio_out2 = NULL;
533 558eae03 Michael Niedermayer
    const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
534 d66c7abc Sylvain Corré
535 85f07f22 Fabrice Bellard
    int size_out, frame_bytes, ret;
536 01f4895c Michael Niedermayer
    AVCodecContext *enc= ost->st->codec;
537 2886f311 Andreas Öman
    AVCodecContext *dec= ist->st->codec;
538 287ba997 Peter Ross
    int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
539
    int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
540 85f07f22 Fabrice Bellard
541 d66c7abc Sylvain Corré
    /* SC: dynamic allocation of buffers */
542
    if (!audio_buf)
543
        audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
544
    if (!audio_out)
545 558eae03 Michael Niedermayer
        audio_out = av_malloc(audio_out_size);
546 d66c7abc Sylvain Corré
    if (!audio_buf || !audio_out)
547
        return;               /* Should signal an error ! */
548
549 2886f311 Andreas Öman
    if (enc->channels != dec->channels)
550
        ost->audio_resample = 1;
551
552
    if (ost->audio_resample && !ost->resample) {
553 d1e3c6fd Baptiste Coudurier
        if (dec->sample_fmt != SAMPLE_FMT_S16)
554
            fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
555
        ost->resample = av_audio_resample_init(enc->channels,    dec->channels,
556
                                               enc->sample_rate, dec->sample_rate,
557
                                               enc->sample_fmt,  dec->sample_fmt,
558
                                               16, 10, 0, 0.8);
559 2886f311 Andreas Öman
        if (!ost->resample) {
560
            fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
561
                    dec->channels, dec->sample_rate,
562
                    enc->channels, enc->sample_rate);
563 296df4e7 Ramiro Polla
            av_exit(1);
564 2886f311 Andreas Öman
        }
565
    }
566
567 a79db0f7 Peter Ross
#define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
568 d1e3c6fd Baptiste Coudurier
    if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
569 a79db0f7 Peter Ross
        MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
570
        if (!audio_out2)
571
            audio_out2 = av_malloc(audio_out_size);
572
        if (!audio_out2)
573
            av_exit(1);
574
        if (ost->reformat_ctx)
575
            av_audio_convert_free(ost->reformat_ctx);
576
        ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
577
                                                   dec->sample_fmt, 1, NULL, 0);
578
        if (!ost->reformat_ctx) {
579
            fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
580
                avcodec_get_sample_fmt_name(dec->sample_fmt),
581
                avcodec_get_sample_fmt_name(enc->sample_fmt));
582
            av_exit(1);
583
        }
584
        ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
585
    }
586
587 986ebcdb Michael Niedermayer
    if(audio_sync_method){
588 115329f1 Diego Biurrun
        double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
589 41dd680d Michael Niedermayer
                - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
590 01f4895c Michael Niedermayer
        double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
591
        int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
592 ff4905a5 Michael Niedermayer
593 986ebcdb Michael Niedermayer
        //FIXME resample delay
594
        if(fabs(delta) > 50){
595 d4d226a8 Michael Niedermayer
            if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
596 ff4905a5 Michael Niedermayer
                if(byte_delta < 0){
597 f41dd5aa Michael Niedermayer
                    byte_delta= FFMAX(byte_delta, -size);
598 ff4905a5 Michael Niedermayer
                    size += byte_delta;
599
                    buf  -= byte_delta;
600
                    if(verbose > 2)
601
                        fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
602
                    if(!size)
603
                        return;
604
                    ist->is_start=0;
605
                }else{
606
                    static uint8_t *input_tmp= NULL;
607
                    input_tmp= av_realloc(input_tmp, byte_delta + size);
608
609
                    if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
610
                        ist->is_start=0;
611
                    else
612
                        byte_delta= MAX_AUDIO_PACKET_SIZE - size;
613
614
                    memset(input_tmp, 0, byte_delta);
615
                    memcpy(input_tmp + byte_delta, buf, size);
616
                    buf= input_tmp;
617
                    size += byte_delta;
618
                    if(verbose > 2)
619
                        fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
620
                }
621
            }else if(audio_sync_method>1){
622 f66e4f5f Reimar Döffinger
                int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
623 ff4905a5 Michael Niedermayer
                assert(ost->audio_resample);
624
                if(verbose > 2)
625
                    fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
626 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));
627 ff4905a5 Michael Niedermayer
                av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
628
            }
629 115329f1 Diego Biurrun
        }
630 986ebcdb Michael Niedermayer
    }else
631 b4a3389e Wolfram Gloger
        ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
632 41dd680d Michael Niedermayer
                        - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
633 85f07f22 Fabrice Bellard
634
    if (ost->audio_resample) {
635
        buftmp = audio_buf;
636 115329f1 Diego Biurrun
        size_out = audio_resample(ost->resample,
637 85f07f22 Fabrice Bellard
                                  (short *)buftmp, (short *)buf,
638 287ba997 Peter Ross
                                  size / (ist->st->codec->channels * isize));
639
        size_out = size_out * enc->channels * osize;
640 85f07f22 Fabrice Bellard
    } else {
641
        buftmp = buf;
642
        size_out = size;
643
    }
644
645 d1e3c6fd Baptiste Coudurier
    if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
646 a79db0f7 Peter Ross
        const void *ibuf[6]= {buftmp};
647
        void *obuf[6]= {audio_out2};
648 287ba997 Peter Ross
        int istride[6]= {isize};
649
        int ostride[6]= {osize};
650 a79db0f7 Peter Ross
        int len= size_out/istride[0];
651
        if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
652
            printf("av_audio_convert() failed\n");
653 f2abc559 Baptiste Coudurier
            if (exit_on_error)
654
                av_exit(1);
655 a79db0f7 Peter Ross
            return;
656
        }
657
        buftmp = audio_out2;
658 287ba997 Peter Ross
        size_out = len*osize;
659 a79db0f7 Peter Ross
    }
660
661 85f07f22 Fabrice Bellard
    /* now encode as many frames as possible */
662 a0663ba4 Fabrice Bellard
    if (enc->frame_size > 1) {
663 85f07f22 Fabrice Bellard
        /* output resampled raw samples */
664 41dd680d Michael Niedermayer
        if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
665 745b39d5 Stefano Sabatini
            fprintf(stderr, "av_fifo_realloc2() failed\n");
666
            av_exit(1);
667
        }
668 41dd680d Michael Niedermayer
        av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
669 85f07f22 Fabrice Bellard
670 287ba997 Peter Ross
        frame_bytes = enc->frame_size * osize * enc->channels;
671 115329f1 Diego Biurrun
672 41dd680d Michael Niedermayer
        while (av_fifo_size(ost->fifo) >= frame_bytes) {
673 e928649b Michael Niedermayer
            AVPacket pkt;
674
            av_init_packet(&pkt);
675
676 3898eed8 Reimar Döffinger
            av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
677 0871ae1a Michael Niedermayer
678 5bc440e7 Michael Niedermayer
            //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
679
680 115329f1 Diego Biurrun
            ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
681 a0663ba4 Fabrice Bellard
                                       (short *)audio_buf);
682 528271ff Michael Niedermayer
            if (ret < 0) {
683
                fprintf(stderr, "Audio encoding failed\n");
684
                av_exit(1);
685
            }
686 1008ceb3 Michael Niedermayer
            audio_size += ret;
687 e928649b Michael Niedermayer
            pkt.stream_index= ost->index;
688
            pkt.data= audio_out;
689
            pkt.size= ret;
690 e7902f20 Michael Niedermayer
            if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
691 c0df9d75 Michael Niedermayer
                pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
692 e928649b Michael Niedermayer
            pkt.flags |= PKT_FLAG_KEY;
693 748c2fca Michael Niedermayer
            write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
694 115329f1 Diego Biurrun
695 986ebcdb Michael Niedermayer
            ost->sync_opts += enc->frame_size;
696 85f07f22 Fabrice Bellard
        }
697
    } else {
698 e928649b Michael Niedermayer
        AVPacket pkt;
699 287ba997 Peter Ross
        int coded_bps = av_get_bits_per_sample(enc->codec->id)/8;
700 e928649b Michael Niedermayer
        av_init_packet(&pkt);
701 986ebcdb Michael Niedermayer
702 287ba997 Peter Ross
        ost->sync_opts += size_out / (osize * enc->channels);
703 986ebcdb Michael Niedermayer
704 a0663ba4 Fabrice Bellard
        /* output a pcm frame */
705 287ba997 Peter Ross
        /* determine the size of the coded buffer */
706
        size_out /= osize;
707
        if (coded_bps)
708
            size_out *= coded_bps;
709
710 5bc440e7 Michael Niedermayer
        //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
711 115329f1 Diego Biurrun
        ret = avcodec_encode_audio(enc, audio_out, size_out,
712 bb270c08 Diego Biurrun
                                   (short *)buftmp);
713 528271ff Michael Niedermayer
        if (ret < 0) {
714
            fprintf(stderr, "Audio encoding failed\n");
715
            av_exit(1);
716
        }
717 1008ceb3 Michael Niedermayer
        audio_size += ret;
718 e928649b Michael Niedermayer
        pkt.stream_index= ost->index;
719
        pkt.data= audio_out;
720
        pkt.size= ret;
721 e7902f20 Michael Niedermayer
        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
722 c0df9d75 Michael Niedermayer
            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
723 e928649b Michael Niedermayer
        pkt.flags |= PKT_FLAG_KEY;
724 748c2fca Michael Niedermayer
        write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
725 85f07f22 Fabrice Bellard
    }
726
}
727
728 10d104e4 Philip Gladstone
static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
729
{
730
    AVCodecContext *dec;
731
    AVPicture *picture2;
732
    AVPicture picture_tmp;
733 0c1a9eda Zdenek Kabelac
    uint8_t *buf = 0;
734 10d104e4 Philip Gladstone
735 01f4895c Michael Niedermayer
    dec = ist->st->codec;
736 10d104e4 Philip Gladstone
737
    /* deinterlace : must be done before any resize */
738 fdf11906 Diego Biurrun
    if (do_deinterlace) {
739 10d104e4 Philip Gladstone
        int size;
740
741
        /* create temporary picture */
742
        size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
743
        buf = av_malloc(size);
744
        if (!buf)
745
            return;
746 115329f1 Diego Biurrun
747 10d104e4 Philip Gladstone
        picture2 = &picture_tmp;
748
        avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
749
750 dafc3856 Michael Niedermayer
        if (do_deinterlace){
751 115329f1 Diego Biurrun
            if(avpicture_deinterlace(picture2, picture,
752 dafc3856 Michael Niedermayer
                                     dec->pix_fmt, dec->width, dec->height) < 0) {
753
                /* if error, do not deinterlace */
754 6b682df2 Baptiste Coudurier
                fprintf(stderr, "Deinterlacing failed\n");
755 dafc3856 Michael Niedermayer
                av_free(buf);
756
                buf = NULL;
757
                picture2 = picture;
758
            }
759
        } else {
760 636d6a4a Panagiotis Issaris
            av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
761 bee0d9e5 Charles Yates
        }
762 10d104e4 Philip Gladstone
    } else {
763
        picture2 = picture;
764
    }
765
766
    if (picture != picture2)
767
        *picture = *picture2;
768
    *bufp = buf;
769
}
770
771 ec5517d5 Fabrice Bellard
/* we begin to correct av delay at this threshold */
772
#define AV_DELAY_MAX 0.100
773 85f07f22 Fabrice Bellard
774 115329f1 Diego Biurrun
static void do_subtitle_out(AVFormatContext *s,
775
                            AVOutputStream *ost,
776 cf7fc795 Fabrice Bellard
                            AVInputStream *ist,
777
                            AVSubtitle *sub,
778
                            int64_t pts)
779
{
780
    static uint8_t *subtitle_out = NULL;
781
    int subtitle_out_max_size = 65536;
782
    int subtitle_out_size, nb, i;
783
    AVCodecContext *enc;
784
    AVPacket pkt;
785
786
    if (pts == AV_NOPTS_VALUE) {
787
        fprintf(stderr, "Subtitle packets must have a pts\n");
788 f2abc559 Baptiste Coudurier
        if (exit_on_error)
789
            av_exit(1);
790 cf7fc795 Fabrice Bellard
        return;
791
    }
792
793 01f4895c Michael Niedermayer
    enc = ost->st->codec;
794 cf7fc795 Fabrice Bellard
795
    if (!subtitle_out) {
796
        subtitle_out = av_malloc(subtitle_out_max_size);
797
    }
798
799
    /* Note: DVB subtitle need one packet to draw them and one other
800
       packet to clear them */
801
    /* XXX: signal it in the codec context ? */
802
    if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
803
        nb = 2;
804
    else
805
        nb = 1;
806
807
    for(i = 0; i < nb; i++) {
808 115329f1 Diego Biurrun
        subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
809 cf7fc795 Fabrice Bellard
                                                    subtitle_out_max_size, sub);
810 115329f1 Diego Biurrun
811 cf7fc795 Fabrice Bellard
        av_init_packet(&pkt);
812
        pkt.stream_index = ost->index;
813
        pkt.data = subtitle_out;
814
        pkt.size = subtitle_out_size;
815 fec401f7 Michael Niedermayer
        pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
816 cf7fc795 Fabrice Bellard
        if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
817
            /* XXX: the pts correction is handled here. Maybe handling
818
               it in the codec would be better */
819
            if (i == 0)
820
                pkt.pts += 90 * sub->start_display_time;
821
            else
822
                pkt.pts += 90 * sub->end_display_time;
823
        }
824 748c2fca Michael Niedermayer
        write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
825 cf7fc795 Fabrice Bellard
    }
826
}
827
828 8a6cb114 Michael Niedermayer
static int bit_buffer_size= 1024*256;
829 27537106 Michael Niedermayer
static uint8_t *bit_buffer= NULL;
830 1ff93ffc Todd Kirby
831 115329f1 Diego Biurrun
static void do_video_out(AVFormatContext *s,
832
                         AVOutputStream *ost,
833 85f07f22 Fabrice Bellard
                         AVInputStream *ist,
834 7a0f9d7e Fabrice Bellard
                         AVFrame *in_picture,
835 986ebcdb Michael Niedermayer
                         int *frame_size)
836 85f07f22 Fabrice Bellard
{
837 ec5517d5 Fabrice Bellard
    int nb_frames, i, ret;
838 07d0cdfc Luca Abeni
    AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
839 18a54b04 Luca Abeni
    AVFrame picture_crop_temp, picture_pad_temp;
840 cfcf0ffd Fabrice Bellard
    AVCodecContext *enc, *dec;
841 115329f1 Diego Biurrun
842 a4d36c11 Michael Niedermayer
    avcodec_get_frame_defaults(&picture_crop_temp);
843 07d0cdfc Luca Abeni
    avcodec_get_frame_defaults(&picture_pad_temp);
844 a4d36c11 Michael Niedermayer
845 01f4895c Michael Niedermayer
    enc = ost->st->codec;
846
    dec = ist->st->codec;
847 85f07f22 Fabrice Bellard
848 ec5517d5 Fabrice Bellard
    /* by default, we output a single frame */
849
    nb_frames = 1;
850
851 204c0f48 Philip Gladstone
    *frame_size = 0;
852
853 8858816d Michael Niedermayer
    if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
854 10d104e4 Philip Gladstone
        double vdelta;
855 b4a3389e Wolfram Gloger
        vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
856 e928649b Michael Niedermayer
        //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
857
        if (vdelta < -1.1)
858
            nb_frames = 0;
859 e6fdc2b1 Michael Niedermayer
        else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
860
            if(vdelta<=-0.6){
861
                nb_frames=0;
862
            }else if(vdelta>0.6)
863 880add37 Michael Niedermayer
            ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
864 e6fdc2b1 Michael Niedermayer
        }else if (vdelta > 1.1)
865 70122f29 Michael Niedermayer
            nb_frames = lrintf(vdelta);
866 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);
867 50c3dd32 Michael Niedermayer
        if (nb_frames == 0){
868
            ++nb_frames_drop;
869
            if (verbose>2)
870
                fprintf(stderr, "*** drop!\n");
871 8300609b Michael Niedermayer
        }else if (nb_frames > 1) {
872
            nb_frames_dup += nb_frames;
873 50c3dd32 Michael Niedermayer
            if (verbose>2)
874 8300609b Michael Niedermayer
                fprintf(stderr, "*** %d dup!\n", nb_frames-1);
875 50c3dd32 Michael Niedermayer
        }
876
    }else
877 b4a3389e Wolfram Gloger
        ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
878 445f1b83 Roman Shaposhnik
879 7ca60994 Michael Niedermayer
    nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
880 115329f1 Diego Biurrun
    if (nb_frames <= 0)
881 85f07f22 Fabrice Bellard
        return;
882 ce7c56c2 Juanjo
883 07d0cdfc Luca Abeni
    if (ost->video_crop) {
884 636d6a4a Panagiotis Issaris
        if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
885 49a06a4d Benoit Fouet
            fprintf(stderr, "error cropping picture\n");
886 f2abc559 Baptiste Coudurier
            if (exit_on_error)
887
                av_exit(1);
888 4e780252 Limin Wang
            return;
889 07d0cdfc Luca Abeni
        }
890
        formatted_picture = &picture_crop_temp;
891 18a54b04 Luca Abeni
    } else {
892
        formatted_picture = in_picture;
893 07d0cdfc Luca Abeni
    }
894
895
    final_picture = formatted_picture;
896
    padding_src = formatted_picture;
897
    resampling_dst = &ost->pict_tmp;
898
    if (ost->video_pad) {
899
        final_picture = &ost->pict_tmp;
900
        if (ost->video_resample) {
901 636d6a4a Panagiotis Issaris
            if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
902 49a06a4d Benoit Fouet
                fprintf(stderr, "error padding picture\n");
903 f2abc559 Baptiste Coudurier
                if (exit_on_error)
904
                    av_exit(1);
905 4e780252 Limin Wang
                return;
906 07d0cdfc Luca Abeni
            }
907
            resampling_dst = &picture_pad_temp;
908
        }
909
    }
910
911 85f07f22 Fabrice Bellard
    if (ost->video_resample) {
912 07d0cdfc Luca Abeni
        padding_src = NULL;
913 34b10a57 Dieter
        final_picture = &ost->pict_tmp;
914 18a54b04 Luca Abeni
        sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
915
              0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
916 f122deb4 Luca Abeni
    }
917 07d0cdfc Luca Abeni
918
    if (ost->video_pad) {
919 636d6a4a Panagiotis Issaris
        av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
920 07d0cdfc Luca Abeni
                enc->height, enc->width, enc->pix_fmt,
921
                ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
922 85f07f22 Fabrice Bellard
    }
923 07d0cdfc Luca Abeni
924 85f07f22 Fabrice Bellard
    /* duplicates frame if needed */
925 ec5517d5 Fabrice Bellard
    for(i=0;i<nb_frames;i++) {
926 e928649b Michael Niedermayer
        AVPacket pkt;
927
        av_init_packet(&pkt);
928
        pkt.stream_index= ost->index;
929
930 e8750b00 Fred Rothganger
        if (s->oformat->flags & AVFMT_RAWPICTURE) {
931
            /* raw pictures are written as AVPicture structure to
932
               avoid any copies. We support temorarily the older
933
               method. */
934 2744ca9a Roman Shaposhnik
            AVFrame* old_frame = enc->coded_frame;
935 bb270c08 Diego Biurrun
            enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
936 e928649b Michael Niedermayer
            pkt.data= (uint8_t *)final_picture;
937
            pkt.size=  sizeof(AVPicture);
938 b4dba580 Michael Niedermayer
            pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
939
            pkt.flags |= PKT_FLAG_KEY;
940 e928649b Michael Niedermayer
941 748c2fca Michael Niedermayer
            write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
942 bb270c08 Diego Biurrun
            enc->coded_frame = old_frame;
943 e8750b00 Fred Rothganger
        } else {
944 492cd3a9 Michael Niedermayer
            AVFrame big_picture;
945 a4d36c11 Michael Niedermayer
946
            big_picture= *final_picture;
947 7a0f9d7e Fabrice Bellard
            /* better than nothing: use input picture interlaced
948
               settings */
949
            big_picture.interlaced_frame = in_picture->interlaced_frame;
950 636f1c4c Stefano Sabatini
            if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
951 bb198e19 Michael Niedermayer
                if(top_field_first == -1)
952
                    big_picture.top_field_first = in_picture->top_field_first;
953
                else
954 2a8edc5d Michael Niedermayer
                    big_picture.top_field_first = top_field_first;
955 bb198e19 Michael Niedermayer
            }
956 7a0f9d7e Fabrice Bellard
957 85f07f22 Fabrice Bellard
            /* handles sameq here. This is not correct because it may
958
               not be a global option */
959
            if (same_quality) {
960 1e491e29 Michael Niedermayer
                big_picture.quality = ist->st->quality;
961
            }else
962
                big_picture.quality = ost->st->quality;
963 f4f3223f Michael Niedermayer
            if(!me_threshold)
964
                big_picture.pict_type = 0;
965 50c3dd32 Michael Niedermayer
//            big_picture.pts = AV_NOPTS_VALUE;
966 c0df9d75 Michael Niedermayer
            big_picture.pts= ost->sync_opts;
967
//            big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
968 949b1a13 Steve L'Homme
//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
969 115329f1 Diego Biurrun
            ret = avcodec_encode_video(enc,
970 8a6cb114 Michael Niedermayer
                                       bit_buffer, bit_buffer_size,
971 1e491e29 Michael Niedermayer
                                       &big_picture);
972 95af5e1c Michael Niedermayer
            if (ret < 0) {
973 4156a436 Panagiotis Issaris
                fprintf(stderr, "Video encoding failed\n");
974 296df4e7 Ramiro Polla
                av_exit(1);
975 4156a436 Panagiotis Issaris
            }
976 44429457 Juanjo
            //enc->frame_number = enc->real_pict_num;
977 4bbc6260 Michael Niedermayer
            if(ret>0){
978 27537106 Michael Niedermayer
                pkt.data= bit_buffer;
979 e928649b Michael Niedermayer
                pkt.size= ret;
980 e6b4e4ff Michael Niedermayer
                if(enc->coded_frame->pts != AV_NOPTS_VALUE)
981 c0df9d75 Michael Niedermayer
                    pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
982 949b1a13 Steve L'Homme
/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
983 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,
984
   pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
985 50c3dd32 Michael Niedermayer
986 e6b4e4ff Michael Niedermayer
                if(enc->coded_frame->key_frame)
987 e928649b Michael Niedermayer
                    pkt.flags |= PKT_FLAG_KEY;
988 748c2fca Michael Niedermayer
                write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
989 e928649b Michael Niedermayer
                *frame_size = ret;
990 44eb047a Michael Niedermayer
                video_size += ret;
991 e928649b Michael Niedermayer
                //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
992
                //        enc->frame_number-1, enc->real_pict_num, ret,
993
                //        enc->pict_type);
994
                /* if two pass, output log */
995
                if (ost->logfile && enc->stats_out) {
996
                    fprintf(ost->logfile, "%s", enc->stats_out);
997
                }
998 5abdb4b1 Fabrice Bellard
            }
999 85f07f22 Fabrice Bellard
        }
1000 50c3dd32 Michael Niedermayer
        ost->sync_opts++;
1001 ec5517d5 Fabrice Bellard
        ost->frame_number++;
1002 85f07f22 Fabrice Bellard
    }
1003
}
1004
1005 140cb663 Michael Niedermayer
static double psnr(double d){
1006 b29f97d1 Zdenek Kabelac
    return -10.0*log(d)/log(10.0);
1007 140cb663 Michael Niedermayer
}
1008
1009 115329f1 Diego Biurrun
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1010 ec5517d5 Fabrice Bellard
                           int frame_size)
1011 ce7c56c2 Juanjo
{
1012
    AVCodecContext *enc;
1013
    int frame_number;
1014
    double ti1, bitrate, avg_bitrate;
1015 115329f1 Diego Biurrun
1016 b60d1379 Stefano Sabatini
    /* this is executed just the first time do_video_stats is called */
1017 032aa7df Stefano Sabatini
    if (!vstats_file) {
1018
        vstats_file = fopen(vstats_filename, "w");
1019
        if (!vstats_file) {
1020 4bd0c2b1 Benoit Fouet
            perror("fopen");
1021 296df4e7 Ramiro Polla
            av_exit(1);
1022 4bd0c2b1 Benoit Fouet
        }
1023
    }
1024
1025 01f4895c Michael Niedermayer
    enc = ost->st->codec;
1026 ce7c56c2 Juanjo
    if (enc->codec_type == CODEC_TYPE_VIDEO) {
1027 ec5517d5 Fabrice Bellard
        frame_number = ost->frame_number;
1028 032aa7df Stefano Sabatini
        fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1029 140cb663 Michael Niedermayer
        if (enc->flags&CODEC_FLAG_PSNR)
1030 032aa7df Stefano Sabatini
            fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1031 115329f1 Diego Biurrun
1032 032aa7df Stefano Sabatini
        fprintf(vstats_file,"f_size= %6d ", frame_size);
1033 ec5517d5 Fabrice Bellard
        /* compute pts value */
1034 c0df9d75 Michael Niedermayer
        ti1 = ost->sync_opts * av_q2d(enc->time_base);
1035 ce7c56c2 Juanjo
        if (ti1 < 0.01)
1036
            ti1 = 0.01;
1037 115329f1 Diego Biurrun
1038 c0df9d75 Michael Niedermayer
        bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1039 1008ceb3 Michael Niedermayer
        avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1040 032aa7df Stefano Sabatini
        fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1041 1008ceb3 Michael Niedermayer
            (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1042 032aa7df Stefano Sabatini
        fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1043 ce7c56c2 Juanjo
    }
1044 ec5517d5 Fabrice Bellard
}
1045
1046 b29f97d1 Zdenek Kabelac
static void print_report(AVFormatContext **output_files,
1047 bb270c08 Diego Biurrun
                         AVOutputStream **ost_table, int nb_ostreams,
1048
                         int is_last_report)
1049 ec5517d5 Fabrice Bellard
{
1050
    char buf[1024];
1051
    AVOutputStream *ost;
1052
    AVFormatContext *oc, *os;
1053 0c1a9eda Zdenek Kabelac
    int64_t total_size;
1054 ec5517d5 Fabrice Bellard
    AVCodecContext *enc;
1055
    int frame_number, vid, i;
1056
    double bitrate, ti1, pts;
1057 0c1a9eda Zdenek Kabelac
    static int64_t last_time = -1;
1058 0888fd22 Michael Niedermayer
    static int qp_histogram[52];
1059 115329f1 Diego Biurrun
1060 ec5517d5 Fabrice Bellard
    if (!is_last_report) {
1061 0c1a9eda Zdenek Kabelac
        int64_t cur_time;
1062 ec5517d5 Fabrice Bellard
        /* display the report every 0.5 seconds */
1063
        cur_time = av_gettime();
1064
        if (last_time == -1) {
1065
            last_time = cur_time;
1066
            return;
1067 115329f1 Diego Biurrun
        }
1068 ec5517d5 Fabrice Bellard
        if ((cur_time - last_time) < 500000)
1069
            return;
1070
        last_time = cur_time;
1071
    }
1072
1073 ce7c56c2 Juanjo
1074 ec5517d5 Fabrice Bellard
    oc = output_files[0];
1075
1076 899681cd Björn Axelsson
    total_size = url_fsize(oc->pb);
1077 859d95ba Michael Niedermayer
    if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1078 899681cd Björn Axelsson
        total_size= url_ftell(oc->pb);
1079 115329f1 Diego Biurrun
1080 ec5517d5 Fabrice Bellard
    buf[0] = '\0';
1081
    ti1 = 1e10;
1082
    vid = 0;
1083
    for(i=0;i<nb_ostreams;i++) {
1084
        ost = ost_table[i];
1085
        os = output_files[ost->file_index];
1086 01f4895c Michael Niedermayer
        enc = ost->st->codec;
1087 10d104e4 Philip Gladstone
        if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1088 0ecca7a4 Michael Niedermayer
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1089 e6b4e4ff Michael Niedermayer
                     !ost->st->stream_copy ?
1090 99fb79b5 Baptiste Coudurier
                     enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1091 10d104e4 Philip Gladstone
        }
1092 ec5517d5 Fabrice Bellard
        if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1093 7fc98937 Limin Wang
            float t = (av_gettime()-timer_start) / 1000000.0;
1094
1095 ec5517d5 Fabrice Bellard
            frame_number = ost->frame_number;
1096 7fc98937 Limin Wang
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1097
                     frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1098 e6b4e4ff Michael Niedermayer
                     !ost->st->stream_copy ?
1099 99fb79b5 Baptiste Coudurier
                     enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1100 890972be Michael Niedermayer
            if(is_last_report)
1101 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1102 e6b4e4ff Michael Niedermayer
            if(qp_hist){
1103 0888fd22 Michael Niedermayer
                int j;
1104
                int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1105 37d3e066 Aurelien Jacobs
                if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1106 0888fd22 Michael Niedermayer
                    qp_histogram[qp]++;
1107
                for(j=0; j<32; j++)
1108
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1109
            }
1110 890972be Michael Niedermayer
            if (enc->flags&CODEC_FLAG_PSNR){
1111
                int j;
1112
                double error, error_sum=0;
1113
                double scale, scale_sum=0;
1114
                char type[3]= {'Y','U','V'};
1115 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1116 890972be Michael Niedermayer
                for(j=0; j<3; j++){
1117
                    if(is_last_report){
1118
                        error= enc->error[j];
1119
                        scale= enc->width*enc->height*255.0*255.0*frame_number;
1120
                    }else{
1121
                        error= enc->coded_frame->error[j];
1122
                        scale= enc->width*enc->height*255.0*255.0;
1123
                    }
1124
                    if(j) scale/=4;
1125
                    error_sum += error;
1126
                    scale_sum += scale;
1127 0ecca7a4 Michael Niedermayer
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1128 890972be Michael Niedermayer
                }
1129 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1130 890972be Michael Niedermayer
            }
1131 ec5517d5 Fabrice Bellard
            vid = 1;
1132
        }
1133
        /* compute min output value */
1134 43924f01 Alex Beregszaszi
        pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1135 5d9827bc Kareila
        if ((pts < ti1) && (pts > 0))
1136 ec5517d5 Fabrice Bellard
            ti1 = pts;
1137
    }
1138
    if (ti1 < 0.01)
1139
        ti1 = 0.01;
1140 115329f1 Diego Biurrun
1141 f068206e Bill Eldridge
    if (verbose || is_last_report) {
1142
        bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1143 115329f1 Diego Biurrun
1144
        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1145 475f4d8d David Bolt
            "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1146 ec5517d5 Fabrice Bellard
            (double)total_size / 1024, ti1, bitrate);
1147 a6a92a9a Wolfram Gloger
1148 bb270c08 Diego Biurrun
        if (verbose > 1)
1149
          snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1150
                  nb_frames_dup, nb_frames_drop);
1151 115329f1 Diego Biurrun
1152 d8019eb5 Allen Day
        if (verbose >= 0)
1153
            fprintf(stderr, "%s    \r", buf);
1154
1155 ec5517d5 Fabrice Bellard
        fflush(stderr);
1156
    }
1157 115329f1 Diego Biurrun
1158 1008ceb3 Michael Niedermayer
    if (is_last_report && verbose >= 0){
1159
        int64_t raw= audio_size + video_size + extra_size;
1160 f068206e Bill Eldridge
        fprintf(stderr, "\n");
1161 1008ceb3 Michael Niedermayer
        fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1162
                video_size/1024.0,
1163
                audio_size/1024.0,
1164
                extra_size/1024.0,
1165
                100.0*(total_size - raw)/raw
1166
        );
1167
    }
1168 ce7c56c2 Juanjo
}
1169
1170 a700a6ae Fabrice Bellard
/* pkt = NULL means EOF (needed to flush decoder buffers) */
1171
static int output_packet(AVInputStream *ist, int ist_index,
1172
                         AVOutputStream **ost_table, int nb_ostreams,
1173 4b85a28f Wolfram Gloger
                         const AVPacket *pkt)
1174 a700a6ae Fabrice Bellard
{
1175
    AVFormatContext *os;
1176
    AVOutputStream *ost;
1177
    uint8_t *ptr;
1178
    int len, ret, i;
1179
    uint8_t *data_buf;
1180
    int data_size, got_picture;
1181
    AVFrame picture;
1182
    void *buffer_to_free;
1183 f038fe8b Diego Biurrun
    static unsigned int samples_size= 0;
1184 78953e62 Michael Niedermayer
    static short *samples= NULL;
1185 cf7fc795 Fabrice Bellard
    AVSubtitle subtitle, *subtitle_to_free;
1186
    int got_subtitle;
1187 115329f1 Diego Biurrun
1188 ed923859 Michael Niedermayer
    if(ist->next_pts == AV_NOPTS_VALUE)
1189
        ist->next_pts= ist->pts;
1190
1191 a700a6ae Fabrice Bellard
    if (pkt == NULL) {
1192
        /* EOF handling */
1193
        ptr = NULL;
1194
        len = 0;
1195
        goto handle_eof;
1196
    }
1197
1198 b1b818fc Michael Niedermayer
    if(pkt->dts != AV_NOPTS_VALUE)
1199
        ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1200
1201 a700a6ae Fabrice Bellard
    len = pkt->size;
1202
    ptr = pkt->data;
1203 bd6754aa Michael Niedermayer
1204
    //while we have more to decode or while the decoder did output something on EOF
1205
    while (len > 0 || (!pkt && ist->next_pts != ist->pts)) {
1206 a700a6ae Fabrice Bellard
    handle_eof:
1207 b1b818fc Michael Niedermayer
        ist->pts= ist->next_pts;
1208 19d5da50 Michael Niedermayer
1209 40cb57a2 Michael Niedermayer
        if(len && len != pkt->size && verbose>0)
1210
            fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1211
1212 a700a6ae Fabrice Bellard
        /* decode the packet if needed */
1213
        data_buf = NULL; /* fail safe */
1214
        data_size = 0;
1215 cf7fc795 Fabrice Bellard
        subtitle_to_free = NULL;
1216 a700a6ae Fabrice Bellard
        if (ist->decoding_needed) {
1217 01f4895c Michael Niedermayer
            switch(ist->st->codec->codec_type) {
1218 df84ac2e Michael Niedermayer
            case CODEC_TYPE_AUDIO:{
1219 81b060fa Loren Merritt
                if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1220
                    samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1221
                    av_free(samples);
1222
                    samples= av_malloc(samples_size);
1223
                }
1224 5d55e966 Michael Niedermayer
                data_size= samples_size;
1225 a700a6ae Fabrice Bellard
                    /* XXX: could avoid copy if PCM 16 bits with same
1226
                       endianness as CPU */
1227 5d55e966 Michael Niedermayer
                ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1228 a700a6ae Fabrice Bellard
                                           ptr, len);
1229
                if (ret < 0)
1230
                    goto fail_decode;
1231
                ptr += ret;
1232
                len -= ret;
1233
                /* Some bug in mpeg audio decoder gives */
1234
                /* data_size < 0, it seems they are overflows */
1235
                if (data_size <= 0) {
1236
                    /* no audio frame */
1237
                    continue;
1238
                }
1239
                data_buf = (uint8_t *)samples;
1240 115329f1 Diego Biurrun
                ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1241 01f4895c Michael Niedermayer
                    (ist->st->codec->sample_rate * ist->st->codec->channels);
1242 df84ac2e Michael Niedermayer
                break;}
1243 a700a6ae Fabrice Bellard
            case CODEC_TYPE_VIDEO:
1244 01f4895c Michael Niedermayer
                    data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1245 a700a6ae Fabrice Bellard
                    /* XXX: allocate picture correctly */
1246 9740beff Michael Niedermayer
                    avcodec_get_frame_defaults(&picture);
1247
1248 115329f1 Diego Biurrun
                    ret = avcodec_decode_video(ist->st->codec,
1249 a700a6ae Fabrice Bellard
                                               &picture, &got_picture, ptr, len);
1250
                    ist->st->quality= picture.quality;
1251 115329f1 Diego Biurrun
                    if (ret < 0)
1252 a700a6ae Fabrice Bellard
                        goto fail_decode;
1253
                    if (!got_picture) {
1254
                        /* no picture yet */
1255
                        goto discard_packet;
1256
                    }
1257 01f4895c Michael Niedermayer
                    if (ist->st->codec->time_base.num != 0) {
1258 3797c74b Michael Niedermayer
                        int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1259 115329f1 Diego Biurrun
                        ist->next_pts += ((int64_t)AV_TIME_BASE *
1260 34583e1b Michael Niedermayer
                                          ist->st->codec->time_base.num * ticks) /
1261 01f4895c Michael Niedermayer
                            ist->st->codec->time_base.den;
1262 a700a6ae Fabrice Bellard
                    }
1263
                    len = 0;
1264
                    break;
1265 cf7fc795 Fabrice Bellard
            case CODEC_TYPE_SUBTITLE:
1266 115329f1 Diego Biurrun
                ret = avcodec_decode_subtitle(ist->st->codec,
1267 cf7fc795 Fabrice Bellard
                                              &subtitle, &got_subtitle, ptr, len);
1268
                if (ret < 0)
1269 a700a6ae Fabrice Bellard
                    goto fail_decode;
1270 cf7fc795 Fabrice Bellard
                if (!got_subtitle) {
1271
                    goto discard_packet;
1272 a700a6ae Fabrice Bellard
                }
1273 cf7fc795 Fabrice Bellard
                subtitle_to_free = &subtitle;
1274
                len = 0;
1275
                break;
1276
            default:
1277
                goto fail_decode;
1278
            }
1279
        } else {
1280 bde0705c Limin Wang
            switch(ist->st->codec->codec_type) {
1281
            case CODEC_TYPE_AUDIO:
1282
                ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1283 1c715415 Michael Niedermayer
                    ist->st->codec->sample_rate;
1284 bde0705c Limin Wang
                break;
1285
            case CODEC_TYPE_VIDEO:
1286
                if (ist->st->codec->time_base.num != 0) {
1287 3797c74b Michael Niedermayer
                    int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1288 bde0705c Limin Wang
                    ist->next_pts += ((int64_t)AV_TIME_BASE *
1289 34583e1b Michael Niedermayer
                                      ist->st->codec->time_base.num * ticks) /
1290 bde0705c Limin Wang
                        ist->st->codec->time_base.den;
1291 2fef0bdf Michael Niedermayer
                }
1292 bde0705c Limin Wang
                break;
1293 a700a6ae Fabrice Bellard
            }
1294 bde0705c Limin Wang
            data_buf = ptr;
1295
            data_size = len;
1296
            ret = len;
1297
            len = 0;
1298
        }
1299 a700a6ae Fabrice Bellard
1300 bde0705c Limin Wang
        buffer_to_free = NULL;
1301
        if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1302
            pre_process_video_frame(ist, (AVPicture *)&picture,
1303
                                    &buffer_to_free);
1304
        }
1305 a700a6ae Fabrice Bellard
1306 bde0705c Limin Wang
        // preprocess audio (volume)
1307
        if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1308
            if (audio_volume != 256) {
1309
                short *volp;
1310
                volp = samples;
1311
                for(i=0;i<(data_size / sizeof(short));i++) {
1312
                    int v = ((*volp) * audio_volume + 128) >> 8;
1313
                    if (v < -32768) v = -32768;
1314
                    if (v >  32767) v = 32767;
1315
                    *volp++ = v;
1316 7e987c33 Calcium
                }
1317
            }
1318 bde0705c Limin Wang
        }
1319 7e987c33 Calcium
1320 bde0705c Limin Wang
        /* frame rate emulation */
1321 3a25ca18 Stefano Sabatini
        if (rate_emu) {
1322 cb103a19 Stefano Sabatini
            int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1323 bde0705c Limin Wang
            int64_t now = av_gettime() - ist->start;
1324
            if (pts > now)
1325
                usleep(pts - now);
1326
        }
1327 a700a6ae Fabrice Bellard
1328 bde0705c Limin Wang
        /* if output time reached then transcode raw format,
1329
           encode packets and output them */
1330
        if (start_time == 0 || ist->pts >= start_time)
1331
            for(i=0;i<nb_ostreams;i++) {
1332
                int frame_size;
1333 a700a6ae Fabrice Bellard
1334 bde0705c Limin Wang
                ost = ost_table[i];
1335
                if (ost->source_index == ist_index) {
1336
                    os = output_files[ost->file_index];
1337 a700a6ae Fabrice Bellard
1338
#if 0
1339 bde0705c Limin Wang
                    printf("%d: got pts=%0.3f %0.3f\n", i,
1340
                           (double)pkt->pts / AV_TIME_BASE,
1341
                           ((double)ist->pts / AV_TIME_BASE) -
1342
                           ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1343 a700a6ae Fabrice Bellard
#endif
1344 bde0705c Limin Wang
                    /* set the input output pts pairs */
1345
                    //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1346
1347
                    if (ost->encoding_needed) {
1348
                        switch(ost->st->codec->codec_type) {
1349
                        case CODEC_TYPE_AUDIO:
1350
                            do_audio_out(os, ost, ist, data_buf, data_size);
1351
                            break;
1352
                        case CODEC_TYPE_VIDEO:
1353
                            do_video_out(os, ost, ist, &picture, &frame_size);
1354 b60d1379 Stefano Sabatini
                            if (vstats_filename && frame_size)
1355 bde0705c Limin Wang
                                do_video_stats(os, ost, frame_size);
1356
                            break;
1357
                        case CODEC_TYPE_SUBTITLE:
1358
                            do_subtitle_out(os, ost, ist, &subtitle,
1359
                                            pkt->pts);
1360
                            break;
1361
                        default:
1362 0f4e8165 Ronald S. Bultje
                            abort();
1363 bde0705c Limin Wang
                        }
1364
                    } else {
1365
                        AVFrame avframe; //FIXME/XXX remove this
1366
                        AVPacket opkt;
1367
                        av_init_packet(&opkt);
1368
1369 50e3477f Wolfram Gloger
                        if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1370 7cacf1e8 Michael Niedermayer
                            continue;
1371
1372 bde0705c Limin Wang
                        /* no reencoding needed : output the packet directly */
1373
                        /* force the input stream PTS */
1374
1375
                        avcodec_get_frame_defaults(&avframe);
1376
                        ost->st->codec->coded_frame= &avframe;
1377
                        avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1378
1379
                        if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1380
                            audio_size += data_size;
1381
                        else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1382
                            video_size += data_size;
1383
                            ost->sync_opts++;
1384
                        }
1385
1386
                        opkt.stream_index= ost->index;
1387
                        if(pkt->pts != AV_NOPTS_VALUE)
1388 fec401f7 Michael Niedermayer
                            opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1389 bde0705c Limin Wang
                        else
1390
                            opkt.pts= AV_NOPTS_VALUE;
1391
1392 d2ce2f5e Baptiste Coudurier
                        if (pkt->dts == AV_NOPTS_VALUE)
1393 181782ae Michael Niedermayer
                            opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1394 d2ce2f5e Baptiste Coudurier
                        else
1395
                            opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1396 c0dd7b7c Michael Niedermayer
1397 a03d59b7 Aurelien Jacobs
                        opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1398 bde0705c Limin Wang
                        opkt.flags= pkt->flags;
1399
1400
                        //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1401
                        if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1402
                            opkt.destruct= av_destruct_packet;
1403
1404 8b389f15 Andreas Öman
                        write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1405 bde0705c Limin Wang
                        ost->st->codec->frame_number++;
1406
                        ost->frame_number++;
1407
                        av_free_packet(&opkt);
1408 a700a6ae Fabrice Bellard
                    }
1409
                }
1410 bde0705c Limin Wang
            }
1411
        av_free(buffer_to_free);
1412
        /* XXX: allocate the subtitles in the codec ? */
1413
        if (subtitle_to_free) {
1414
            if (subtitle_to_free->rects != NULL) {
1415
                for (i = 0; i < subtitle_to_free->num_rects; i++) {
1416 25b4c651 Michael Niedermayer
                    av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1417
                    av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1418 db4fac64 Michael Niedermayer
                    av_freep(&subtitle_to_free->rects[i]);
1419 c6ec28b1 Michael Niedermayer
                }
1420 bde0705c Limin Wang
                av_freep(&subtitle_to_free->rects);
1421 cf7fc795 Fabrice Bellard
            }
1422 bde0705c Limin Wang
            subtitle_to_free->num_rects = 0;
1423
            subtitle_to_free = NULL;
1424 a700a6ae Fabrice Bellard
        }
1425 bde0705c Limin Wang
    }
1426 a700a6ae Fabrice Bellard
 discard_packet:
1427 6f824977 Michael Niedermayer
    if (pkt == NULL) {
1428
        /* EOF handling */
1429 115329f1 Diego Biurrun
1430 6f824977 Michael Niedermayer
        for(i=0;i<nb_ostreams;i++) {
1431
            ost = ost_table[i];
1432
            if (ost->source_index == ist_index) {
1433 01f4895c Michael Niedermayer
                AVCodecContext *enc= ost->st->codec;
1434 6f824977 Michael Niedermayer
                os = output_files[ost->file_index];
1435 115329f1 Diego Biurrun
1436 01f4895c Michael Niedermayer
                if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1437 6f824977 Michael Niedermayer
                    continue;
1438 01f4895c Michael Niedermayer
                if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1439 6f824977 Michael Niedermayer
                    continue;
1440
1441
                if (ost->encoding_needed) {
1442
                    for(;;) {
1443
                        AVPacket pkt;
1444 cef7cc72 Justin Ruggles
                        int fifo_bytes;
1445 6f824977 Michael Niedermayer
                        av_init_packet(&pkt);
1446
                        pkt.stream_index= ost->index;
1447 115329f1 Diego Biurrun
1448 01f4895c Michael Niedermayer
                        switch(ost->st->codec->codec_type) {
1449 115329f1 Diego Biurrun
                        case CODEC_TYPE_AUDIO:
1450 41dd680d Michael Niedermayer
                            fifo_bytes = av_fifo_size(ost->fifo);
1451 cef7cc72 Justin Ruggles
                            ret = 0;
1452
                            /* encode any samples remaining in fifo */
1453
                            if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1454
                                int fs_tmp = enc->frame_size;
1455
                                enc->frame_size = fifo_bytes / (2 * enc->channels);
1456 3898eed8 Reimar Döffinger
                                av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1457 cef7cc72 Justin Ruggles
                                    ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1458
                                enc->frame_size = fs_tmp;
1459 9e0db7d5 Michael Niedermayer
                            }
1460
                            if(ret <= 0) {
1461 cef7cc72 Justin Ruggles
                                ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1462
                            }
1463 528271ff Michael Niedermayer
                            if (ret < 0) {
1464
                                fprintf(stderr, "Audio encoding failed\n");
1465
                                av_exit(1);
1466
                            }
1467 6f824977 Michael Niedermayer
                            audio_size += ret;
1468
                            pkt.flags |= PKT_FLAG_KEY;
1469
                            break;
1470
                        case CODEC_TYPE_VIDEO:
1471 8a6cb114 Michael Niedermayer
                            ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1472 528271ff Michael Niedermayer
                            if (ret < 0) {
1473
                                fprintf(stderr, "Video encoding failed\n");
1474
                                av_exit(1);
1475
                            }
1476 6f824977 Michael Niedermayer
                            video_size += ret;
1477
                            if(enc->coded_frame && enc->coded_frame->key_frame)
1478
                                pkt.flags |= PKT_FLAG_KEY;
1479
                            if (ost->logfile && enc->stats_out) {
1480
                                fprintf(ost->logfile, "%s", enc->stats_out);
1481
                            }
1482
                            break;
1483
                        default:
1484
                            ret=-1;
1485
                        }
1486 115329f1 Diego Biurrun
1487 6f824977 Michael Niedermayer
                        if(ret<=0)
1488
                            break;
1489 27537106 Michael Niedermayer
                        pkt.data= bit_buffer;
1490 6f824977 Michael Niedermayer
                        pkt.size= ret;
1491 e7902f20 Michael Niedermayer
                        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1492 c0df9d75 Michael Niedermayer
                            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1493 748c2fca Michael Niedermayer
                        write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1494 6f824977 Michael Niedermayer
                    }
1495
                }
1496
            }
1497
        }
1498
    }
1499 115329f1 Diego Biurrun
1500 a700a6ae Fabrice Bellard
    return 0;
1501
 fail_decode:
1502
    return -1;
1503
}
1504
1505 6d1ba1ac Luca Abeni
static void print_sdp(AVFormatContext **avc, int n)
1506
{
1507
    char sdp[2048];
1508
1509
    avf_sdp_create(avc, n, sdp, sizeof(sdp));
1510
    printf("SDP:\n%s\n", sdp);
1511 536cd1db Luca Barbato
    fflush(stdout);
1512 6d1ba1ac Luca Abeni
}
1513 a700a6ae Fabrice Bellard
1514 50e143c4 Nico Sabbi
static int stream_index_from_inputs(AVFormatContext **input_files,
1515
                                    int nb_input_files,
1516
                                    AVInputFile *file_table,
1517
                                    AVInputStream **ist_table,
1518
                                    enum CodecType type,
1519
                                    int programid)
1520
{
1521 c1a4cdf9 Nico Sabbi
    int p, q, z;
1522 50e143c4 Nico Sabbi
    for(z=0; z<nb_input_files; z++) {
1523
        AVFormatContext *ic = input_files[z];
1524
        for(p=0; p<ic->nb_programs; p++) {
1525
            AVProgram *program = ic->programs[p];
1526
            if(program->id != programid)
1527
                continue;
1528
            for(q=0; q<program->nb_stream_indexes; q++) {
1529
                int sidx = program->stream_index[q];
1530
                int ris = file_table[z].ist_index + sidx;
1531
                if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1532
                    return ris;
1533
            }
1534
        }
1535
    }
1536
1537
    return -1;
1538
}
1539
1540 85f07f22 Fabrice Bellard
/*
1541
 * The following code is the main loop of the file converter
1542
 */
1543
static int av_encode(AVFormatContext **output_files,
1544
                     int nb_output_files,
1545
                     AVFormatContext **input_files,
1546
                     int nb_input_files,
1547
                     AVStreamMap *stream_maps, int nb_stream_maps)
1548
{
1549 002c95d7 Baptiste Coudurier
    int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1550 85f07f22 Fabrice Bellard
    AVFormatContext *is, *os;
1551
    AVCodecContext *codec, *icodec;
1552
    AVOutputStream *ost, **ost_table = NULL;
1553
    AVInputStream *ist, **ist_table = NULL;
1554 bdc4796f Fabrice Bellard
    AVInputFile *file_table;
1555 002c95d7 Baptiste Coudurier
    char error[1024];
1556 cb09b2ed Philip Gladstone
    int key;
1557 6d1ba1ac Luca Abeni
    int want_sdp = 1;
1558 545465ec Michael Niedermayer
    uint8_t no_packet[MAX_FILES]={0};
1559
    int no_packet_count=0;
1560 bdc4796f Fabrice Bellard
1561 90901860 Michael Niedermayer
    file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1562 bdc4796f Fabrice Bellard
    if (!file_table)
1563
        goto fail;
1564 115329f1 Diego Biurrun
1565 85f07f22 Fabrice Bellard
    /* input stream init */
1566
    j = 0;
1567
    for(i=0;i<nb_input_files;i++) {
1568
        is = input_files[i];
1569
        file_table[i].ist_index = j;
1570 79fdaa4c Fabrice Bellard
        file_table[i].nb_streams = is->nb_streams;
1571 85f07f22 Fabrice Bellard
        j += is->nb_streams;
1572
    }
1573
    nb_istreams = j;
1574
1575
    ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1576
    if (!ist_table)
1577 bdc4796f Fabrice Bellard
        goto fail;
1578 115329f1 Diego Biurrun
1579 85f07f22 Fabrice Bellard
    for(i=0;i<nb_istreams;i++) {
1580
        ist = av_mallocz(sizeof(AVInputStream));
1581
        if (!ist)
1582
            goto fail;
1583
        ist_table[i] = ist;
1584
    }
1585
    j = 0;
1586
    for(i=0;i<nb_input_files;i++) {
1587
        is = input_files[i];
1588
        for(k=0;k<is->nb_streams;k++) {
1589
            ist = ist_table[j++];
1590
            ist->st = is->streams[k];
1591
            ist->file_index = i;
1592
            ist->index = k;
1593
            ist->discard = 1; /* the stream is discarded by default
1594
                                 (changed later) */
1595 bdfcbbed Max Krasnyansky
1596 3a25ca18 Stefano Sabatini
            if (rate_emu) {
1597 bdfcbbed Max Krasnyansky
                ist->start = av_gettime();
1598
            }
1599 85f07f22 Fabrice Bellard
        }
1600
    }
1601
1602
    /* output stream init */
1603
    nb_ostreams = 0;
1604
    for(i=0;i<nb_output_files;i++) {
1605
        os = output_files[i];
1606 8a7bde1c Baptiste Coudurier
        if (!os->nb_streams) {
1607 fc5d0db5 Stefano Sabatini
            dump_format(output_files[i], i, output_files[i]->filename, 1);
1608
            fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1609 296df4e7 Ramiro Polla
            av_exit(1);
1610 8a7bde1c Baptiste Coudurier
        }
1611 85f07f22 Fabrice Bellard
        nb_ostreams += os->nb_streams;
1612
    }
1613
    if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1614
        fprintf(stderr, "Number of stream maps must match number of output streams\n");
1615 296df4e7 Ramiro Polla
        av_exit(1);
1616 85f07f22 Fabrice Bellard
    }
1617
1618 bd073980 Brian Foley
    /* Sanity check the mapping args -- do the input files & streams exist? */
1619
    for(i=0;i<nb_stream_maps;i++) {
1620
        int fi = stream_maps[i].file_index;
1621
        int si = stream_maps[i].stream_index;
1622 115329f1 Diego Biurrun
1623 bd073980 Brian Foley
        if (fi < 0 || fi > nb_input_files - 1 ||
1624
            si < 0 || si > file_table[fi].nb_streams - 1) {
1625
            fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1626 296df4e7 Ramiro Polla
            av_exit(1);
1627 bd073980 Brian Foley
        }
1628 b4a3389e Wolfram Gloger
        fi = stream_maps[i].sync_file_index;
1629
        si = stream_maps[i].sync_stream_index;
1630
        if (fi < 0 || fi > nb_input_files - 1 ||
1631
            si < 0 || si > file_table[fi].nb_streams - 1) {
1632
            fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1633 296df4e7 Ramiro Polla
            av_exit(1);
1634 b4a3389e Wolfram Gloger
        }
1635 bd073980 Brian Foley
    }
1636 115329f1 Diego Biurrun
1637 85f07f22 Fabrice Bellard
    ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1638
    if (!ost_table)
1639
        goto fail;
1640
    for(i=0;i<nb_ostreams;i++) {
1641
        ost = av_mallocz(sizeof(AVOutputStream));
1642
        if (!ost)
1643
            goto fail;
1644
        ost_table[i] = ost;
1645
    }
1646 115329f1 Diego Biurrun
1647 85f07f22 Fabrice Bellard
    n = 0;
1648
    for(k=0;k<nb_output_files;k++) {
1649
        os = output_files[k];
1650 de427ff4 Stefano Sabatini
        for(i=0;i<os->nb_streams;i++,n++) {
1651 85f07f22 Fabrice Bellard
            int found;
1652 de427ff4 Stefano Sabatini
            ost = ost_table[n];
1653 85f07f22 Fabrice Bellard
            ost->file_index = k;
1654
            ost->index = i;
1655
            ost->st = os->streams[i];
1656
            if (nb_stream_maps > 0) {
1657 de427ff4 Stefano Sabatini
                ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1658
                    stream_maps[n].stream_index;
1659 115329f1 Diego Biurrun
1660 bd073980 Brian Foley
                /* Sanity check that the stream types match */
1661 01f4895c Michael Niedermayer
                if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1662 150d5a25 Stefano Sabatini
                    int i= ost->file_index;
1663
                    dump_format(output_files[i], i, output_files[i]->filename, 1);
1664 bd073980 Brian Foley
                    fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1665 de427ff4 Stefano Sabatini
                        stream_maps[n].file_index, stream_maps[n].stream_index,
1666 bd073980 Brian Foley
                        ost->file_index, ost->index);
1667 296df4e7 Ramiro Polla
                    av_exit(1);
1668 bd073980 Brian Foley
                }
1669 115329f1 Diego Biurrun
1670 85f07f22 Fabrice Bellard
            } else {
1671 50e143c4 Nico Sabbi
                if(opt_programid) {
1672
                    found = 0;
1673
                    j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1674
                    if(j != -1) {
1675
                        ost->source_index = j;
1676
                        found = 1;
1677
                    }
1678
                } else {
1679 a15bc651 Nico Sabbi
                    /* get corresponding input stream index : we select the first one with the right type */
1680
                    found = 0;
1681 85f07f22 Fabrice Bellard
                    for(j=0;j<nb_istreams;j++) {
1682
                        ist = ist_table[j];
1683 a15bc651 Nico Sabbi
                        if (ist->discard &&
1684
                            ist->st->codec->codec_type == ost->st->codec->codec_type) {
1685 85f07f22 Fabrice Bellard
                            ost->source_index = j;
1686
                            found = 1;
1687 a15bc651 Nico Sabbi
                            break;
1688 85f07f22 Fabrice Bellard
                        }
1689
                    }
1690 a15bc651 Nico Sabbi
                }
1691
1692
                if (!found) {
1693
                    if(! opt_programid) {
1694
                        /* try again and reuse existing stream */
1695
                        for(j=0;j<nb_istreams;j++) {
1696
                            ist = ist_table[j];
1697
                            if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1698
                                ost->source_index = j;
1699
                                found = 1;
1700
                            }
1701
                        }
1702 50e143c4 Nico Sabbi
                    }
1703 85f07f22 Fabrice Bellard
                    if (!found) {
1704 462cca10 Stefano Sabatini
                        int i= ost->file_index;
1705
                        dump_format(output_files[i], i, output_files[i]->filename, 1);
1706 85f07f22 Fabrice Bellard
                        fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1707
                                ost->file_index, ost->index);
1708 296df4e7 Ramiro Polla
                        av_exit(1);
1709 85f07f22 Fabrice Bellard
                    }
1710
                }
1711
            }
1712
            ist = ist_table[ost->source_index];
1713
            ist->discard = 0;
1714 b4a3389e Wolfram Gloger
            ost->sync_ist = (nb_stream_maps > 0) ?
1715 de427ff4 Stefano Sabatini
                ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1716
                         stream_maps[n].sync_stream_index] : ist;
1717 85f07f22 Fabrice Bellard
        }
1718
    }
1719
1720
    /* for each output stream, we compute the right encoding parameters */
1721
    for(i=0;i<nb_ostreams;i++) {
1722 0a789246 Aurelien Jacobs
        AVMetadataTag *lang;
1723 85f07f22 Fabrice Bellard
        ost = ost_table[i];
1724 365515ac Michael Niedermayer
        os = output_files[ost->file_index];
1725 85f07f22 Fabrice Bellard
        ist = ist_table[ost->source_index];
1726
1727 01f4895c Michael Niedermayer
        codec = ost->st->codec;
1728
        icodec = ist->st->codec;
1729 85f07f22 Fabrice Bellard
1730 0a789246 Aurelien Jacobs
        if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1731
            &&   !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1732
            av_metadata_set(&ost->st->metadata, "language", lang->value);
1733 8e0d882b Aurelien Jacobs
1734 90c2295b Evgeniy Stepanov
        ost->st->disposition = ist->st->disposition;
1735
1736 1629626f Fabrice Bellard
        if (ost->st->stream_copy) {
1737
            /* if stream_copy is selected, no need to decode or encode */
1738
            codec->codec_id = icodec->codec_id;
1739
            codec->codec_type = icodec->codec_type;
1740 365515ac Michael Niedermayer
1741
            if(!codec->codec_tag){
1742
                if(   !os->oformat->codec_tag
1743
                   || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1744
                   || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1745
                    codec->codec_tag = icodec->codec_tag;
1746
            }
1747
1748 1629626f Fabrice Bellard
            codec->bit_rate = icodec->bit_rate;
1749 dffbfd06 Michael Niedermayer
            codec->extradata= icodec->extradata;
1750
            codec->extradata_size= icodec->extradata_size;
1751 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){
1752 d29de719 Michael Niedermayer
                codec->time_base = icodec->time_base;
1753 3797c74b Michael Niedermayer
                codec->time_base.num *= icodec->ticks_per_frame;
1754
            }else
1755 d29de719 Michael Niedermayer
                codec->time_base = ist->st->time_base;
1756 1629626f Fabrice Bellard
            switch(codec->codec_type) {
1757
            case CODEC_TYPE_AUDIO:
1758 d08e3e91 Ramiro Polla
                if(audio_volume != 256) {
1759
                    fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1760
                    av_exit(1);
1761
                }
1762 13367a46 Benjamin Larsson
                codec->channel_layout = icodec->channel_layout;
1763 1629626f Fabrice Bellard
                codec->sample_rate = icodec->sample_rate;
1764
                codec->channels = icodec->channels;
1765 0a3b0447 Michael Niedermayer
                codec->frame_size = icodec->frame_size;
1766 c1344911 Michael Niedermayer
                codec->block_align= icodec->block_align;
1767 4efd6f58 Michael Niedermayer
                if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1768
                    codec->block_align= 0;
1769 bcbd328e Michael Niedermayer
                if(codec->codec_id == CODEC_ID_AC3)
1770
                    codec->block_align= 0;
1771 1629626f Fabrice Bellard
                break;
1772
            case CODEC_TYPE_VIDEO:
1773 9df3437f Baptiste Coudurier
                codec->pix_fmt = icodec->pix_fmt;
1774 1629626f Fabrice Bellard
                codec->width = icodec->width;
1775
                codec->height = icodec->height;
1776 ff8cc24b Michael Niedermayer
                codec->has_b_frames = icodec->has_b_frames;
1777 1629626f Fabrice Bellard
                break;
1778 cf7fc795 Fabrice Bellard
            case CODEC_TYPE_SUBTITLE:
1779 d43b26ea David Conrad
                codec->width = icodec->width;
1780
                codec->height = icodec->height;
1781 cf7fc795 Fabrice Bellard
                break;
1782 1629626f Fabrice Bellard
            default:
1783 0f4e8165 Ronald S. Bultje
                abort();
1784 1629626f Fabrice Bellard
            }
1785
        } else {
1786
            switch(codec->codec_type) {
1787
            case CODEC_TYPE_AUDIO:
1788 41dd680d Michael Niedermayer
                ost->fifo= av_fifo_alloc(1024);
1789
                if(!ost->fifo)
1790 85f07f22 Fabrice Bellard
                    goto fail;
1791 a79db0f7 Peter Ross
                ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1792 2886f311 Andreas Öman
                ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1793
                icodec->request_channels = codec->channels;
1794 85f07f22 Fabrice Bellard
                ist->decoding_needed = 1;
1795
                ost->encoding_needed = 1;
1796 1629626f Fabrice Bellard
                break;
1797
            case CODEC_TYPE_VIDEO:
1798 c3f11d19 Luca Abeni
                ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1799
                ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1800
                ost->video_resample = ((codec->width != icodec->width -
1801
                                (frame_leftBand + frame_rightBand) +
1802
                                (frame_padleft + frame_padright)) ||
1803
                        (codec->height != icodec->height -
1804
                                (frame_topBand  + frame_bottomBand) +
1805 18a54b04 Luca Abeni
                                (frame_padtop + frame_padbottom)) ||
1806
                        (codec->pix_fmt != icodec->pix_fmt));
1807 c3f11d19 Luca Abeni
                if (ost->video_crop) {
1808 34b10a57 Dieter
                    ost->topBand = frame_topBand;
1809
                    ost->leftBand = frame_leftBand;
1810 c3f11d19 Luca Abeni
                }
1811
                if (ost->video_pad) {
1812 1ff93ffc Todd Kirby
                    ost->padtop = frame_padtop;
1813
                    ost->padleft = frame_padleft;
1814
                    ost->padbottom = frame_padbottom;
1815
                    ost->padright = frame_padright;
1816 c3f11d19 Luca Abeni
                    if (!ost->video_resample) {
1817
                        avcodec_get_frame_defaults(&ost->pict_tmp);
1818 9d58e0a9 Baptiste Coudurier
                        if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1819
                                         codec->width, codec->height))
1820 c3f11d19 Luca Abeni
                            goto fail;
1821
                    }
1822
                }
1823
                if (ost->video_resample) {
1824 2de28abb Michael Niedermayer
                    avcodec_get_frame_defaults(&ost->pict_tmp);
1825 9d58e0a9 Baptiste Coudurier
                    if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1826
                                         codec->width, codec->height)) {
1827 eddc482d Baptiste Coudurier
                        fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1828 296df4e7 Ramiro Polla
                        av_exit(1);
1829 eddc482d Baptiste Coudurier
                    }
1830 9de8e6ac Ronald S. Bultje
                    sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1831 18a54b04 Luca Abeni
                    ost->img_resample_ctx = sws_getContext(
1832
                            icodec->width - (frame_leftBand + frame_rightBand),
1833
                            icodec->height - (frame_topBand + frame_bottomBand),
1834
                            icodec->pix_fmt,
1835 07d0cdfc Luca Abeni
                            codec->width - (frame_padleft + frame_padright),
1836
                            codec->height - (frame_padtop + frame_padbottom),
1837 18a54b04 Luca Abeni
                            codec->pix_fmt,
1838
                            sws_flags, NULL, NULL, NULL);
1839 0b50ac8a Luca Abeni
                    if (ost->img_resample_ctx == NULL) {
1840
                        fprintf(stderr, "Cannot get resampling context\n");
1841 296df4e7 Ramiro Polla
                        av_exit(1);
1842 0b50ac8a Luca Abeni
                    }
1843 18a54b04 Luca Abeni
                    ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1844 85f07f22 Fabrice Bellard
                }
1845
                ost->encoding_needed = 1;
1846
                ist->decoding_needed = 1;
1847 1629626f Fabrice Bellard
                break;
1848 cf7fc795 Fabrice Bellard
            case CODEC_TYPE_SUBTITLE:
1849
                ost->encoding_needed = 1;
1850
                ist->decoding_needed = 1;
1851
                break;
1852 1629626f Fabrice Bellard
            default:
1853 0f4e8165 Ronald S. Bultje
                abort();
1854 cf7fc795 Fabrice Bellard
                break;
1855 85f07f22 Fabrice Bellard
            }
1856 1629626f Fabrice Bellard
            /* two pass mode */
1857 115329f1 Diego Biurrun
            if (ost->encoding_needed &&
1858 1629626f Fabrice Bellard
                (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1859
                char logfilename[1024];
1860
                FILE *f;
1861
                int size;
1862
                char *logbuffer;
1863 115329f1 Diego Biurrun
1864
                snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1865 22730e87 Stefano Sabatini
                         pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1866
                         i);
1867 1629626f Fabrice Bellard
                if (codec->flags & CODEC_FLAG_PASS1) {
1868
                    f = fopen(logfilename, "w");
1869
                    if (!f) {
1870 42d1d06e Stefano Sabatini
                        fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1871 296df4e7 Ramiro Polla
                        av_exit(1);
1872 1629626f Fabrice Bellard
                    }
1873
                    ost->logfile = f;
1874
                } else {
1875
                    /* read the log file */
1876
                    f = fopen(logfilename, "r");
1877
                    if (!f) {
1878 42d1d06e Stefano Sabatini
                        fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1879 296df4e7 Ramiro Polla
                        av_exit(1);
1880 1629626f Fabrice Bellard
                    }
1881
                    fseek(f, 0, SEEK_END);
1882
                    size = ftell(f);
1883
                    fseek(f, 0, SEEK_SET);
1884
                    logbuffer = av_malloc(size + 1);
1885
                    if (!logbuffer) {
1886
                        fprintf(stderr, "Could not allocate log buffer\n");
1887 296df4e7 Ramiro Polla
                        av_exit(1);
1888 1629626f Fabrice Bellard
                    }
1889 4776fa92 Gael Chardon
                    size = fread(logbuffer, 1, size, f);
1890 1629626f Fabrice Bellard
                    fclose(f);
1891
                    logbuffer[size] = '\0';
1892
                    codec->stats_in = logbuffer;
1893 5abdb4b1 Fabrice Bellard
                }
1894
            }
1895
        }
1896 8a6cb114 Michael Niedermayer
        if(codec->codec_type == CODEC_TYPE_VIDEO){
1897
            int size= codec->width * codec->height;
1898 c027e91a Peter Ross
            bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
1899 8a6cb114 Michael Niedermayer
        }
1900 85f07f22 Fabrice Bellard
    }
1901
1902 8a6cb114 Michael Niedermayer
    if (!bit_buffer)
1903
        bit_buffer = av_malloc(bit_buffer_size);
1904 002c95d7 Baptiste Coudurier
    if (!bit_buffer) {
1905
        ret = AVERROR(ENOMEM);
1906 8a6cb114 Michael Niedermayer
        goto fail;
1907 1629626f Fabrice Bellard
    }
1908
1909 85f07f22 Fabrice Bellard
    /* open each encoder */
1910
    for(i=0;i<nb_ostreams;i++) {
1911
        ost = ost_table[i];
1912
        if (ost->encoding_needed) {
1913 6488cf9b Aurelien Jacobs
            AVCodec *codec = output_codecs[i];
1914
            if (!codec)
1915 fd2b356a Aurelien Jacobs
                codec = avcodec_find_encoder(ost->st->codec->codec_id);
1916 85f07f22 Fabrice Bellard
            if (!codec) {
1917 002c95d7 Baptiste Coudurier
                snprintf(error, sizeof(error), "Unsupported codec for output stream #%d.%d",
1918 85f07f22 Fabrice Bellard
                        ost->file_index, ost->index);
1919 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
1920
                goto dump_format;
1921 85f07f22 Fabrice Bellard
            }
1922 01f4895c Michael Niedermayer
            if (avcodec_open(ost->st->codec, codec) < 0) {
1923 002c95d7 Baptiste Coudurier
                snprintf(error, sizeof(error), "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
1924 85f07f22 Fabrice Bellard
                        ost->file_index, ost->index);
1925 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
1926
                goto dump_format;
1927 85f07f22 Fabrice Bellard
            }
1928 01f4895c Michael Niedermayer
            extra_size += ost->st->codec->extradata_size;
1929 85f07f22 Fabrice Bellard
        }
1930
    }
1931
1932
    /* open each decoder */
1933
    for(i=0;i<nb_istreams;i++) {
1934
        ist = ist_table[i];
1935
        if (ist->decoding_needed) {
1936 6488cf9b Aurelien Jacobs
            AVCodec *codec = input_codecs[i];
1937
            if (!codec)
1938 fd2b356a Aurelien Jacobs
                codec = avcodec_find_decoder(ist->st->codec->codec_id);
1939 85f07f22 Fabrice Bellard
            if (!codec) {
1940 002c95d7 Baptiste Coudurier
                snprintf(error, sizeof(error), "Unsupported codec (id=%d) for input stream #%d.%d",
1941 01f4895c Michael Niedermayer
                        ist->st->codec->codec_id, ist->file_index, ist->index);
1942 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
1943
                goto dump_format;
1944 85f07f22 Fabrice Bellard
            }
1945 01f4895c Michael Niedermayer
            if (avcodec_open(ist->st->codec, codec) < 0) {
1946 002c95d7 Baptiste Coudurier
                snprintf(error, sizeof(error), "Error while opening codec for input stream #%d.%d",
1947 85f07f22 Fabrice Bellard
                        ist->file_index, ist->index);
1948 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
1949
                goto dump_format;
1950 85f07f22 Fabrice Bellard
            }
1951 01f4895c Michael Niedermayer
            //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1952
            //    ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1953 85f07f22 Fabrice Bellard
        }
1954
    }
1955
1956
    /* init pts */
1957
    for(i=0;i<nb_istreams;i++) {
1958
        ist = ist_table[i];
1959 bb270c08 Diego Biurrun
        is = input_files[ist->file_index];
1960 e7d0374f Roman Shaposhnik
        ist->pts = 0;
1961 48291040 Michael Niedermayer
        ist->next_pts = AV_NOPTS_VALUE;
1962 ff4905a5 Michael Niedermayer
        ist->is_start = 1;
1963 85f07f22 Fabrice Bellard
    }
1964 bd1b79a1 Michael Niedermayer
1965 0a38bafd Patrice Bensoussan
    /* set meta data information from input file if required */
1966
    for (i=0;i<nb_meta_data_maps;i++) {
1967
        AVFormatContext *out_file;
1968
        AVFormatContext *in_file;
1969 a5926d85 Aurelien Jacobs
        AVMetadataTag *mtag;
1970 0a38bafd Patrice Bensoussan
1971
        int out_file_index = meta_data_maps[i].out_file;
1972
        int in_file_index = meta_data_maps[i].in_file;
1973 9d58e0a9 Baptiste Coudurier
        if (out_file_index < 0 || out_file_index >= nb_output_files) {
1974 002c95d7 Baptiste Coudurier
            snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
1975
                     out_file_index, out_file_index, in_file_index);
1976 8fa36ae0 François Revol
            ret = AVERROR(EINVAL);
1977 002c95d7 Baptiste Coudurier
            goto dump_format;
1978 0a38bafd Patrice Bensoussan
        }
1979 9d58e0a9 Baptiste Coudurier
        if (in_file_index < 0 || in_file_index >= nb_input_files) {
1980 002c95d7 Baptiste Coudurier
            snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
1981
                     in_file_index, out_file_index, in_file_index);
1982 8fa36ae0 François Revol
            ret = AVERROR(EINVAL);
1983 002c95d7 Baptiste Coudurier
            goto dump_format;
1984 115329f1 Diego Biurrun
        }
1985
1986 0a38bafd Patrice Bensoussan
        out_file = output_files[out_file_index];
1987
        in_file = input_files[in_file_index];
1988
1989 a5926d85 Aurelien Jacobs
1990
        mtag=NULL;
1991
        while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
1992
            av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
1993
        av_metadata_conv(out_file, out_file->oformat->metadata_conv,
1994
                                    in_file->iformat->metadata_conv);
1995 0a38bafd Patrice Bensoussan
    }
1996 115329f1 Diego Biurrun
1997 85f07f22 Fabrice Bellard
    /* open files and write file headers */
1998
    for(i=0;i<nb_output_files;i++) {
1999
        os = output_files[i];
2000 79fdaa4c Fabrice Bellard
        if (av_write_header(os) < 0) {
2001 002c95d7 Baptiste Coudurier
            snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2002 8fa36ae0 François Revol
            ret = AVERROR(EINVAL);
2003 002c95d7 Baptiste Coudurier
            goto dump_format;
2004 a38469e1 Fabrice Bellard
        }
2005 6d1ba1ac Luca Abeni
        if (strcmp(output_files[i]->oformat->name, "rtp")) {
2006
            want_sdp = 0;
2007
        }
2008
    }
2009 002c95d7 Baptiste Coudurier
2010
 dump_format:
2011
    /* dump the file output parameters - cannot be done before in case
2012
       of stream copy */
2013
    for(i=0;i<nb_output_files;i++) {
2014
        dump_format(output_files[i], i, output_files[i]->filename, 1);
2015
    }
2016
2017
    /* dump the stream mapping */
2018
    if (verbose >= 0) {
2019
        fprintf(stderr, "Stream mapping:\n");
2020
        for(i=0;i<nb_ostreams;i++) {
2021
            ost = ost_table[i];
2022
            fprintf(stderr, "  Stream #%d.%d -> #%d.%d",
2023
                    ist_table[ost->source_index]->file_index,
2024
                    ist_table[ost->source_index]->index,
2025
                    ost->file_index,
2026
                    ost->index);
2027
            if (ost->sync_ist != ist_table[ost->source_index])
2028
                fprintf(stderr, " [sync #%d.%d]",
2029
                        ost->sync_ist->file_index,
2030
                        ost->sync_ist->index);
2031
            fprintf(stderr, "\n");
2032
        }
2033
    }
2034
2035
    if (ret) {
2036
        fprintf(stderr, "%s\n", error);
2037
        goto fail;
2038
    }
2039
2040 6d1ba1ac Luca Abeni
    if (want_sdp) {
2041
        print_sdp(output_files, nb_output_files);
2042 85f07f22 Fabrice Bellard
    }
2043
2044 9d58e0a9 Baptiste Coudurier
    if (!using_stdin && verbose >= 0) {
2045 d9a916e2 Charles Yates
        fprintf(stderr, "Press [q] to stop encoding\n");
2046 b51469a0 Leon van Stuivenberg
        url_set_interrupt_cb(decode_interrupt_cb);
2047
    }
2048 a38469e1 Fabrice Bellard
    term_init();
2049
2050 cb09b2ed Philip Gladstone
    key = -1;
2051 7fc98937 Limin Wang
    timer_start = av_gettime();
2052 51bd4565 Philip Gladstone
2053 d9a916e2 Charles Yates
    for(; received_sigterm == 0;) {
2054 85f07f22 Fabrice Bellard
        int file_index, ist_index;
2055
        AVPacket pkt;
2056 a9aeda81 Patrice Bensoussan
        double ipts_min;
2057
        double opts_min;
2058 23ffe323 Michael Niedermayer
2059 85f07f22 Fabrice Bellard
    redo:
2060 a9aeda81 Patrice Bensoussan
        ipts_min= 1e100;
2061
        opts_min= 1e100;
2062 a38469e1 Fabrice Bellard
        /* if 'q' pressed, exits */
2063 d9a916e2 Charles Yates
        if (!using_stdin) {
2064 b51469a0 Leon van Stuivenberg
            if (q_pressed)
2065
                break;
2066 cb09b2ed Philip Gladstone
            /* read_key() returns 0 on EOF */
2067
            key = read_key();
2068
            if (key == 'q')
2069
                break;
2070
        }
2071 a38469e1 Fabrice Bellard
2072 ec5517d5 Fabrice Bellard
        /* select the stream that we must read now by looking at the
2073
           smallest output pts */
2074 85f07f22 Fabrice Bellard
        file_index = -1;
2075 ec5517d5 Fabrice Bellard
        for(i=0;i<nb_ostreams;i++) {
2076 23ffe323 Michael Niedermayer
            double ipts, opts;
2077 ec5517d5 Fabrice Bellard
            ost = ost_table[i];
2078
            os = output_files[ost->file_index];
2079
            ist = ist_table[ost->source_index];
2080 545465ec Michael Niedermayer
            if(no_packet[ist->file_index])
2081
                continue;
2082 01f4895c Michael Niedermayer
            if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2083
                opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2084 23ffe323 Michael Niedermayer
            else
2085 c0df9d75 Michael Niedermayer
                opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2086 23ffe323 Michael Niedermayer
            ipts = (double)ist->pts;
2087
            if (!file_table[ist->file_index].eof_reached){
2088
                if(ipts < ipts_min) {
2089
                    ipts_min = ipts;
2090
                    if(input_sync ) file_index = ist->file_index;
2091
                }
2092
                if(opts < opts_min) {
2093
                    opts_min = opts;
2094
                    if(!input_sync) file_index = ist->file_index;
2095
                }
2096 85f07f22 Fabrice Bellard
            }
2097 01f4895c Michael Niedermayer
            if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2098 7ca60994 Michael Niedermayer
                file_index= -1;
2099
                break;
2100
            }
2101 85f07f22 Fabrice Bellard
        }
2102
        /* if none, if is finished */
2103 51bd4565 Philip Gladstone
        if (file_index < 0) {
2104 545465ec Michael Niedermayer
            if(no_packet_count){
2105
                no_packet_count=0;
2106
                memset(no_packet, 0, sizeof(no_packet));
2107 d61f30a7 Michael Niedermayer
                usleep(10000);
2108 545465ec Michael Niedermayer
                continue;
2109
            }
2110 85f07f22 Fabrice Bellard
            break;
2111 ec5517d5 Fabrice Bellard
        }
2112
2113 85f07f22 Fabrice Bellard
        /* finish if recording time exhausted */
2114 fc7ad2af Stefano Sabatini
        if (opts_min >= (recording_time / 1000000.0))
2115 85f07f22 Fabrice Bellard
            break;
2116 ec5517d5 Fabrice Bellard
2117 b6e16b86 Calcium
        /* finish if limit size exhausted */
2118 899681cd Björn Axelsson
        if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2119 b6e16b86 Calcium
            break;
2120
2121 254abc2e Fabrice Bellard
        /* read a frame from it and output it in the fifo */
2122 85f07f22 Fabrice Bellard
        is = input_files[file_index];
2123 ad51c68c Michael Niedermayer
        ret= av_read_frame(is, &pkt);
2124 b9edbe99 Baptiste Coudurier
        if(ret == AVERROR(EAGAIN)){
2125 545465ec Michael Niedermayer
            no_packet[file_index]=1;
2126
            no_packet_count++;
2127 ad51c68c Michael Niedermayer
            continue;
2128 545465ec Michael Niedermayer
        }
2129 ad51c68c Michael Niedermayer
        if (ret < 0) {
2130 85f07f22 Fabrice Bellard
            file_table[file_index].eof_reached = 1;
2131 d24ce947 Alex Beregszaszi
            if (opt_shortest)
2132
                break;
2133
            else
2134
                continue;
2135 85f07f22 Fabrice Bellard
        }
2136 303e50e6 Michael Niedermayer
2137 545465ec Michael Niedermayer
        no_packet_count=0;
2138
        memset(no_packet, 0, sizeof(no_packet));
2139
2140 254abc2e Fabrice Bellard
        if (do_pkt_dump) {
2141 750f0e1f Panagiotis Issaris
            av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2142 817b23ff Fabrice Bellard
        }
2143 79fdaa4c Fabrice Bellard
        /* the following test is needed in case new streams appear
2144
           dynamically in stream : we ignore them */
2145
        if (pkt.stream_index >= file_table[file_index].nb_streams)
2146 bf5af568 Fabrice Bellard
            goto discard_packet;
2147 85f07f22 Fabrice Bellard
        ist_index = file_table[file_index].ist_index + pkt.stream_index;
2148
        ist = ist_table[ist_index];
2149 bf5af568 Fabrice Bellard
        if (ist->discard)
2150
            goto discard_packet;
2151 85f07f22 Fabrice Bellard
2152 fec401f7 Michael Niedermayer
        if (pkt.dts != AV_NOPTS_VALUE)
2153
            pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2154
        if (pkt.pts != AV_NOPTS_VALUE)
2155
            pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2156
2157 8833f375 Michael Niedermayer
        if(input_files_ts_scale[file_index][pkt.stream_index]){
2158
            if(pkt.pts != AV_NOPTS_VALUE)
2159
                pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2160
            if(pkt.dts != AV_NOPTS_VALUE)
2161
                pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2162
        }
2163
2164 949b1a13 Steve L'Homme
//        fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec->codec_type);
2165 965530e1 Michael Niedermayer
        if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2166
            && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2167 81d6d520 Michael Niedermayer
            int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2168
            int64_t delta= pkt_dts - ist->next_pts;
2169
            if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2170 72bd8100 Michael Niedermayer
                input_files_ts_offset[ist->file_index]-= delta;
2171
                if (verbose > 2)
2172 4733abcb Måns Rullgård
                    fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2173 fec401f7 Michael Niedermayer
                pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2174
                if(pkt.pts != AV_NOPTS_VALUE)
2175
                    pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2176 72bd8100 Michael Niedermayer
            }
2177
        }
2178
2179 8831db5c Michael Niedermayer
        //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2180 a700a6ae Fabrice Bellard
        if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2181 d8019eb5 Allen Day
2182
            if (verbose >= 0)
2183
                fprintf(stderr, "Error while decoding stream #%d.%d\n",
2184
                        ist->file_index, ist->index);
2185 f2abc559 Baptiste Coudurier
            if (exit_on_error)
2186
                av_exit(1);
2187 a700a6ae Fabrice Bellard
            av_free_packet(&pkt);
2188
            goto redo;
2189 fe08925f Michael Niedermayer
        }
2190 cf7fc795 Fabrice Bellard
2191 bf5af568 Fabrice Bellard
    discard_packet:
2192 85f07f22 Fabrice Bellard
        av_free_packet(&pkt);
2193 115329f1 Diego Biurrun
2194 ec5517d5 Fabrice Bellard
        /* dump report by using the output first video and audio streams */
2195
        print_report(output_files, ost_table, nb_ostreams, 0);
2196 85f07f22 Fabrice Bellard
    }
2197 a700a6ae Fabrice Bellard
2198
    /* at the end of stream, we must flush the decoder buffers */
2199
    for(i=0;i<nb_istreams;i++) {
2200
        ist = ist_table[i];
2201
        if (ist->decoding_needed) {
2202
            output_packet(ist, i, ost_table, nb_ostreams, NULL);
2203
        }
2204
    }
2205
2206 a38469e1 Fabrice Bellard
    term_exit();
2207 85f07f22 Fabrice Bellard
2208 c4e37247 Michael Niedermayer
    /* write the trailer if needed and close file */
2209
    for(i=0;i<nb_output_files;i++) {
2210
        os = output_files[i];
2211
        av_write_trailer(os);
2212
    }
2213
2214 37f5cd5a Michael Niedermayer
    /* dump report by using the first video and audio streams */
2215
    print_report(output_files, ost_table, nb_ostreams, 1);
2216
2217 85f07f22 Fabrice Bellard
    /* close each encoder */
2218
    for(i=0;i<nb_ostreams;i++) {
2219
        ost = ost_table[i];
2220
        if (ost->encoding_needed) {
2221 01f4895c Michael Niedermayer
            av_freep(&ost->st->codec->stats_in);
2222
            avcodec_close(ost->st->codec);
2223 85f07f22 Fabrice Bellard
        }
2224
    }
2225 115329f1 Diego Biurrun
2226 85f07f22 Fabrice Bellard
    /* close each decoder */
2227
    for(i=0;i<nb_istreams;i++) {
2228
        ist = ist_table[i];
2229
        if (ist->decoding_needed) {
2230 01f4895c Michael Niedermayer
            avcodec_close(ist->st->codec);
2231 85f07f22 Fabrice Bellard
        }
2232
    }
2233
2234
    /* finished ! */
2235 00b7fbdc Baptiste Coudurier
    ret = 0;
2236 115329f1 Diego Biurrun
2237 002c95d7 Baptiste Coudurier
 fail:
2238 83b07470 Michael Niedermayer
    av_freep(&bit_buffer);
2239 0f1578af Fabrice Bellard
    av_free(file_table);
2240 bdc4796f Fabrice Bellard
2241 85f07f22 Fabrice Bellard
    if (ist_table) {
2242
        for(i=0;i<nb_istreams;i++) {
2243
            ist = ist_table[i];
2244 0f1578af Fabrice Bellard
            av_free(ist);
2245 85f07f22 Fabrice Bellard
        }
2246 0f1578af Fabrice Bellard
        av_free(ist_table);
2247 85f07f22 Fabrice Bellard
    }
2248
    if (ost_table) {
2249
        for(i=0;i<nb_ostreams;i++) {
2250
            ost = ost_table[i];
2251
            if (ost) {
2252 5abdb4b1 Fabrice Bellard
                if (ost->logfile) {
2253
                    fclose(ost->logfile);
2254
                    ost->logfile = NULL;
2255
                }
2256 41dd680d Michael Niedermayer
                av_fifo_free(ost->fifo); /* works even if fifo is not
2257 f5a478f6 Roman Shaposhnik
                                             initialized but set to zero */
2258 0f1578af Fabrice Bellard
                av_free(ost->pict_tmp.data[0]);
2259 85f07f22 Fabrice Bellard
                if (ost->video_resample)
2260 18a54b04 Luca Abeni
                    sws_freeContext(ost->img_resample_ctx);
2261 8e4270c5 Andreas Öman
                if (ost->resample)
2262 85f07f22 Fabrice Bellard
                    audio_resample_close(ost->resample);
2263 a79db0f7 Peter Ross
                if (ost->reformat_ctx)
2264
                    av_audio_convert_free(ost->reformat_ctx);
2265 0f1578af Fabrice Bellard
                av_free(ost);
2266 85f07f22 Fabrice Bellard
            }
2267
        }
2268 0f1578af Fabrice Bellard
        av_free(ost_table);
2269 85f07f22 Fabrice Bellard
    }
2270
    return ret;
2271
}
2272
2273
#if 0
2274
int file_read(const char *filename)
2275
{
2276
    URLContext *h;
2277
    unsigned char buffer[1024];
2278
    int len, i;
2279

2280
    if (url_open(&h, filename, O_RDONLY) < 0) {
2281
        printf("could not open '%s'\n", filename);
2282
        return -1;
2283
    }
2284
    for(;;) {
2285
        len = url_read(h, buffer, sizeof(buffer));
2286
        if (len <= 0)
2287
            break;
2288
        for(i=0;i<len;i++) putchar(buffer[i]);
2289
    }
2290
    url_close(h);
2291
    return 0;
2292
}
2293
#endif
2294
2295 b29f97d1 Zdenek Kabelac
static void opt_format(const char *arg)
2296 85f07f22 Fabrice Bellard
{
2297 817b23ff Fabrice Bellard
    /* compatibility stuff for pgmyuv */
2298
    if (!strcmp(arg, "pgmyuv")) {
2299 5b6d5596 Michael Niedermayer
        pgmyuv_compatibility_hack=1;
2300 9286699a Michael Niedermayer
//        opt_image_format(arg);
2301 5b6d5596 Michael Niedermayer
        arg = "image2";
2302 17ceb4f9 Baptiste Coudurier
        fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2303 817b23ff Fabrice Bellard
    }
2304
2305 79fdaa4c Fabrice Bellard
    file_iformat = av_find_input_format(arg);
2306
    file_oformat = guess_format(arg, NULL, NULL);
2307
    if (!file_iformat && !file_oformat) {
2308
        fprintf(stderr, "Unknown input or output format: %s\n", arg);
2309 296df4e7 Ramiro Polla
        av_exit(1);
2310 85f07f22 Fabrice Bellard
    }
2311
}
2312
2313 464a631c Morten Hustveit
static void opt_video_rc_override_string(const char *arg)
2314 ac2830ec Michael Niedermayer
{
2315
    video_rc_override_string = arg;
2316
}
2317
2318 c48da33c Stefano Sabatini
static int opt_me_threshold(const char *opt, const char *arg)
2319 f4f3223f Michael Niedermayer
{
2320 c48da33c Stefano Sabatini
    me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2321
    return 0;
2322 f4f3223f Michael Niedermayer
}
2323
2324 3d45a83a Baptiste Coudurier
static void opt_loglevel(const char *opt, const char *arg)
2325
{
2326
    int level = parse_number_or_die(opt, arg, OPT_INT, INT_MIN, INT_MAX);
2327
    av_log_set_level(level);
2328
}
2329
2330 c48da33c Stefano Sabatini
static int opt_verbose(const char *opt, const char *arg)
2331 f068206e Bill Eldridge
{
2332 46eab093 Michael Niedermayer
    verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2333 c48da33c Stefano Sabatini
    return 0;
2334 f068206e Bill Eldridge
}
2335
2336 2fc3866d Stefano Sabatini
static int opt_frame_rate(const char *opt, const char *arg)
2337 85f07f22 Fabrice Bellard
{
2338 b33ece16 Stefano Sabatini
    if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2339 2fc3866d Stefano Sabatini
        fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2340 296df4e7 Ramiro Polla
        av_exit(1);
2341 445f1b83 Roman Shaposhnik
    }
2342 2fc3866d Stefano Sabatini
    return 0;
2343 85f07f22 Fabrice Bellard
}
2344
2345 ebde2a2c Morten Hustveit
static int opt_bitrate(const char *opt, const char *arg)
2346 1b1656c6 Ramiro Polla
{
2347
    int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2348
2349
    opt_default(opt, arg);
2350
2351 636f1c4c Stefano Sabatini
    if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2352 1b1656c6 Ramiro Polla
        fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2353 ebde2a2c Morten Hustveit
2354
    return 0;
2355 1b1656c6 Ramiro Polla
}
2356
2357 b29f97d1 Zdenek Kabelac
static void opt_frame_crop_top(const char *arg)
2358 ab6d194a Michael Niedermayer
{
2359 115329f1 Diego Biurrun
    frame_topBand = atoi(arg);
2360 ab6d194a Michael Niedermayer
    if (frame_topBand < 0) {
2361
        fprintf(stderr, "Incorrect top crop size\n");
2362 296df4e7 Ramiro Polla
        av_exit(1);
2363 ab6d194a Michael Niedermayer
    }
2364
    if ((frame_topBand % 2) != 0) {
2365
        fprintf(stderr, "Top crop size must be a multiple of 2\n");
2366 296df4e7 Ramiro Polla
        av_exit(1);
2367 ab6d194a Michael Niedermayer
    }
2368
    if ((frame_topBand) >= frame_height){
2369 bb270c08 Diego Biurrun
        fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2370 296df4e7 Ramiro Polla
        av_exit(1);
2371 ab6d194a Michael Niedermayer
    }
2372
    frame_height -= frame_topBand;
2373
}
2374
2375 b29f97d1 Zdenek Kabelac
static void opt_frame_crop_bottom(const char *arg)
2376 ab6d194a Michael Niedermayer
{
2377
    frame_bottomBand = atoi(arg);
2378
    if (frame_bottomBand < 0) {
2379
        fprintf(stderr, "Incorrect bottom crop size\n");
2380 296df4e7 Ramiro Polla
        av_exit(1);
2381 ab6d194a Michael Niedermayer
    }
2382
    if ((frame_bottomBand % 2) != 0) {
2383
        fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2384 296df4e7 Ramiro Polla
        av_exit(1);
2385 ab6d194a Michael Niedermayer
    }
2386
    if ((frame_bottomBand) >= frame_height){
2387 bb270c08 Diego Biurrun
        fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2388 296df4e7 Ramiro Polla
        av_exit(1);
2389 ab6d194a Michael Niedermayer
    }
2390
    frame_height -= frame_bottomBand;
2391
}
2392
2393 b29f97d1 Zdenek Kabelac
static void opt_frame_crop_left(const char *arg)
2394 ab6d194a Michael Niedermayer
{
2395
    frame_leftBand = atoi(arg);
2396
    if (frame_leftBand < 0) {
2397
        fprintf(stderr, "Incorrect left crop size\n");
2398 296df4e7 Ramiro Polla
        av_exit(1);
2399 ab6d194a Michael Niedermayer
    }
2400
    if ((frame_leftBand % 2) != 0) {
2401
        fprintf(stderr, "Left crop size must be a multiple of 2\n");
2402 296df4e7 Ramiro Polla
        av_exit(1);
2403 ab6d194a Michael Niedermayer
    }
2404
    if ((frame_leftBand) >= frame_width){
2405 bb270c08 Diego Biurrun
        fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2406 296df4e7 Ramiro Polla
        av_exit(1);
2407 ab6d194a Michael Niedermayer
    }
2408
    frame_width -= frame_leftBand;
2409
}
2410
2411 b29f97d1 Zdenek Kabelac
static void opt_frame_crop_right(const char *arg)
2412 ab6d194a Michael Niedermayer
{
2413
    frame_rightBand = atoi(arg);
2414
    if (frame_rightBand < 0) {
2415
        fprintf(stderr, "Incorrect right crop size\n");
2416 296df4e7 Ramiro Polla
        av_exit(1);
2417 ab6d194a Michael Niedermayer
    }
2418
    if ((frame_rightBand % 2) != 0) {
2419
        fprintf(stderr, "Right crop size must be a multiple of 2\n");
2420 296df4e7 Ramiro Polla
        av_exit(1);
2421 ab6d194a Michael Niedermayer
    }
2422
    if ((frame_rightBand) >= frame_width){
2423 bb270c08 Diego Biurrun
        fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2424 296df4e7 Ramiro Polla
        av_exit(1);
2425 ab6d194a Michael Niedermayer
    }
2426
    frame_width -= frame_rightBand;
2427
}
2428
2429 b29f97d1 Zdenek Kabelac
static void opt_frame_size(const char *arg)
2430 85f07f22 Fabrice Bellard
{
2431 b33ece16 Stefano Sabatini
    if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2432 85f07f22 Fabrice Bellard
        fprintf(stderr, "Incorrect frame size\n");
2433 296df4e7 Ramiro Polla
        av_exit(1);
2434 85f07f22 Fabrice Bellard
    }
2435
    if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2436
        fprintf(stderr, "Frame size must be a multiple of 2\n");
2437 296df4e7 Ramiro Polla
        av_exit(1);
2438 85f07f22 Fabrice Bellard
    }
2439
}
2440
2441 1ff93ffc Todd Kirby
2442
#define SCALEBITS 10
2443
#define ONE_HALF  (1 << (SCALEBITS - 1))
2444 bb270c08 Diego Biurrun
#define FIX(x)    ((int) ((x) * (1<<SCALEBITS) + 0.5))
2445 1ff93ffc Todd Kirby
2446
#define RGB_TO_Y(r, g, b) \
2447
((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2448
  FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2449
2450
#define RGB_TO_U(r1, g1, b1, shift)\
2451
(((- FIX(0.16874) * r1 - FIX(0.33126) * g1 +         \
2452
     FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2453
2454
#define RGB_TO_V(r1, g1, b1, shift)\
2455
(((FIX(0.50000) * r1 - FIX(0.41869) * g1 -           \
2456
   FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2457
2458
static void opt_pad_color(const char *arg) {
2459
    /* Input is expected to be six hex digits similar to
2460
       how colors are expressed in html tags (but without the #) */
2461
    int rgb = strtol(arg, NULL, 16);
2462
    int r,g,b;
2463 115329f1 Diego Biurrun
2464
    r = (rgb >> 16);
2465 1ff93ffc Todd Kirby
    g = ((rgb >> 8) & 255);
2466
    b = (rgb & 255);
2467
2468
    padcolor[0] = RGB_TO_Y(r,g,b);
2469
    padcolor[1] = RGB_TO_U(r,g,b,0);
2470
    padcolor[2] = RGB_TO_V(r,g,b,0);
2471
}
2472
2473
static void opt_frame_pad_top(const char *arg)
2474
{
2475 115329f1 Diego Biurrun
    frame_padtop = atoi(arg);
2476 1ff93ffc Todd Kirby
    if (frame_padtop < 0) {
2477
        fprintf(stderr, "Incorrect top pad size\n");
2478 296df4e7 Ramiro Polla
        av_exit(1);
2479 1ff93ffc Todd Kirby
    }
2480
    if ((frame_padtop % 2) != 0) {
2481
        fprintf(stderr, "Top pad size must be a multiple of 2\n");
2482 296df4e7 Ramiro Polla
        av_exit(1);
2483 1ff93ffc Todd Kirby
    }
2484
}
2485
2486
static void opt_frame_pad_bottom(const char *arg)
2487
{
2488 115329f1 Diego Biurrun
    frame_padbottom = atoi(arg);
2489 1ff93ffc Todd Kirby
    if (frame_padbottom < 0) {
2490
        fprintf(stderr, "Incorrect bottom pad size\n");
2491 296df4e7 Ramiro Polla
        av_exit(1);
2492 1ff93ffc Todd Kirby
    }
2493
    if ((frame_padbottom % 2) != 0) {
2494
        fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2495 296df4e7 Ramiro Polla
        av_exit(1);
2496 1ff93ffc Todd Kirby
    }
2497
}
2498
2499
2500
static void opt_frame_pad_left(const char *arg)
2501
{
2502 115329f1 Diego Biurrun
    frame_padleft = atoi(arg);
2503 1ff93ffc Todd Kirby
    if (frame_padleft < 0) {
2504
        fprintf(stderr, "Incorrect left pad size\n");
2505 296df4e7 Ramiro Polla
        av_exit(1);
2506 1ff93ffc Todd Kirby
    }
2507
    if ((frame_padleft % 2) != 0) {
2508
        fprintf(stderr, "Left pad size must be a multiple of 2\n");
2509 296df4e7 Ramiro Polla
        av_exit(1);
2510 1ff93ffc Todd Kirby
    }
2511
}
2512
2513
2514
static void opt_frame_pad_right(const char *arg)
2515
{
2516 115329f1 Diego Biurrun
    frame_padright = atoi(arg);
2517 1ff93ffc Todd Kirby
    if (frame_padright < 0) {
2518
        fprintf(stderr, "Incorrect right pad size\n");
2519 296df4e7 Ramiro Polla
        av_exit(1);
2520 1ff93ffc Todd Kirby
    }
2521
    if ((frame_padright % 2) != 0) {
2522
        fprintf(stderr, "Right pad size must be a multiple of 2\n");
2523 296df4e7 Ramiro Polla
        av_exit(1);
2524 1ff93ffc Todd Kirby
    }
2525
}
2526
2527 ce1ee094 Peter Ross
static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2528 c3b95b1d Stefano Sabatini
{
2529
    int i;
2530 ce1ee094 Peter Ross
    char fmt_str[128];
2531
    for (i=-1; i < nb_fmts; i++) {
2532
        get_fmt_string (fmt_str, sizeof(fmt_str), i);
2533
        fprintf(stdout, "%s\n", fmt_str);
2534 c3b95b1d Stefano Sabatini
    }
2535
}
2536 1ff93ffc Todd Kirby
2537 63167088 Roman Shaposhnik
static void opt_frame_pix_fmt(const char *arg)
2538
{
2539 90da2b50 Stefano Sabatini
    if (strcmp(arg, "list")) {
2540 c3b95b1d Stefano Sabatini
        frame_pix_fmt = avcodec_get_pix_fmt(arg);
2541 90da2b50 Stefano Sabatini
        if (frame_pix_fmt == PIX_FMT_NONE) {
2542
            fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2543
            av_exit(1);
2544
        }
2545
    } else {
2546 ce1ee094 Peter Ross
        list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2547 296df4e7 Ramiro Polla
        av_exit(0);
2548 c3b95b1d Stefano Sabatini
    }
2549 63167088 Roman Shaposhnik
}
2550
2551 5fe03e38 Roman Shaposhnik
static void opt_frame_aspect_ratio(const char *arg)
2552
{
2553
    int x = 0, y = 0;
2554
    double ar = 0;
2555
    const char *p;
2556 815f98cc Aurelien Jacobs
    char *end;
2557 115329f1 Diego Biurrun
2558 5fe03e38 Roman Shaposhnik
    p = strchr(arg, ':');
2559
    if (p) {
2560 815f98cc Aurelien Jacobs
        x = strtol(arg, &end, 10);
2561
        if (end == p)
2562
            y = strtol(end+1, &end, 10);
2563 bb270c08 Diego Biurrun
        if (x > 0 && y > 0)
2564
            ar = (double)x / (double)y;
2565 5fe03e38 Roman Shaposhnik
    } else
2566 815f98cc Aurelien Jacobs
        ar = strtod(arg, NULL);
2567 5fe03e38 Roman Shaposhnik
2568
    if (!ar) {
2569
        fprintf(stderr, "Incorrect aspect ratio specification.\n");
2570 296df4e7 Ramiro Polla
        av_exit(1);
2571 5fe03e38 Roman Shaposhnik
    }
2572
    frame_aspect_ratio = ar;
2573
}
2574
2575 a5926d85 Aurelien Jacobs
static int opt_metadata(const char *opt, const char *arg)
2576
{
2577
    char *mid= strchr(arg, '=');
2578
2579
    if(!mid){
2580
        fprintf(stderr, "Missing =\n");
2581
        av_exit(1);
2582
    }
2583
    *mid++= 0;
2584
2585
    metadata_count++;
2586
    metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2587