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ffmpeg / ffmpeg.c @ 99ed41a8

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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 "libavformat/framehook.h"
38
#include "libavcodec/opt.h"
39 ce1ee094 Peter Ross
#include "libavcodec/audioconvert.h"
40 245976da Diego Biurrun
#include "libavutil/fifo.h"
41
#include "libavutil/avstring.h"
42
#include "libavformat/os_support.h"
43 daf8e955 Fabrice Bellard
44 b250f9c6 Aurelien Jacobs
#if HAVE_SYS_RESOURCE_H
45 0a1b29de Dave Yeo
#include <sys/types.h>
46 b091aa44 Ramiro Polla
#include <sys/resource.h>
47 b250f9c6 Aurelien Jacobs
#elif HAVE_GETPROCESSTIMES
48 7495c306 Ramiro Polla
#include <windows.h>
49
#endif
50
51 b250f9c6 Aurelien Jacobs
#if HAVE_SYS_SELECT_H
52 fb1d2d7b Baptiste Coudurier
#include <sys/select.h>
53
#endif
54
55 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
56 85f07f22 Fabrice Bellard
#include <fcntl.h>
57
#include <sys/ioctl.h>
58
#include <sys/time.h>
59
#include <termios.h>
60 b250f9c6 Aurelien Jacobs
#elif HAVE_CONIO_H
61 4b54c6d0 Ramiro Polla
#include <conio.h>
62 bdc4796f Fabrice Bellard
#endif
63 64c020a8 Michael Niedermayer
#undef time //needed because HAVE_AV_CONFIG_H is defined on top
64 bf5af568 Fabrice Bellard
#include <time.h>
65 85f07f22 Fabrice Bellard
66 01310af2 Fabrice Bellard
#include "cmdutils.h"
67
68 2b18dcd0 Michael Niedermayer
#undef NDEBUG
69
#include <assert.h>
70
71 c367d067 Michael Niedermayer
#undef exit
72
73 64555bd9 Michael Niedermayer
const char program_name[] = "FFmpeg";
74 ea9c581f Stefano Sabatini
const int program_birth_year = 2000;
75 86074ed1 Stefano Sabatini
76 85f07f22 Fabrice Bellard
/* select an input stream for an output stream */
77
typedef struct AVStreamMap {
78
    int file_index;
79
    int stream_index;
80 b4a3389e Wolfram Gloger
    int sync_file_index;
81
    int sync_stream_index;
82 85f07f22 Fabrice Bellard
} AVStreamMap;
83
84 0a38bafd Patrice Bensoussan
/** select an input file for an output file */
85
typedef struct AVMetaDataMap {
86
    int out_file;
87
    int in_file;
88
} AVMetaDataMap;
89
90 580a6c57 Diego Pettenò
static const OptionDef options[];
91 85f07f22 Fabrice Bellard
92
#define MAX_FILES 20
93
94
static AVFormatContext *input_files[MAX_FILES];
95 a6a92a9a Wolfram Gloger
static int64_t input_files_ts_offset[MAX_FILES];
96 8833f375 Michael Niedermayer
static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
97 6488cf9b Aurelien Jacobs
static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
98 85f07f22 Fabrice Bellard
static int nb_input_files = 0;
99 6488cf9b Aurelien Jacobs
static int nb_icodecs;
100 85f07f22 Fabrice Bellard
101
static AVFormatContext *output_files[MAX_FILES];
102 6488cf9b Aurelien Jacobs
static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
103 85f07f22 Fabrice Bellard
static int nb_output_files = 0;
104 6488cf9b Aurelien Jacobs
static int nb_ocodecs;
105 85f07f22 Fabrice Bellard
106 f44fd374 Stefano Sabatini
static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
107 85f07f22 Fabrice Bellard
static int nb_stream_maps;
108
109 0a38bafd Patrice Bensoussan
static AVMetaDataMap meta_data_maps[MAX_FILES];
110
static int nb_meta_data_maps;
111
112 79fdaa4c Fabrice Bellard
static AVInputFormat *file_iformat;
113
static AVOutputFormat *file_oformat;
114 55cf1959 Michael Niedermayer
static int frame_width  = 0;
115
static int frame_height = 0;
116 880e8ba7 Roman Shaposhnik
static float frame_aspect_ratio = 0;
117 644a9262 Michael Niedermayer
static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
118 ce1ee094 Peter Ross
static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
119 1ff93ffc Todd Kirby
static int frame_padtop  = 0;
120
static int frame_padbottom = 0;
121
static int frame_padleft  = 0;
122
static int frame_padright = 0;
123
static int padcolor[3] = {16,128,128}; /* default to black */
124 ab6d194a Michael Niedermayer
static int frame_topBand  = 0;
125
static int frame_bottomBand = 0;
126
static int frame_leftBand  = 0;
127
static int frame_rightBand = 0;
128 cf7fc795 Fabrice Bellard
static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
129 89129c6b Diego Biurrun
static AVRational frame_rate;
130 158c7f05 Michael Niedermayer
static float video_qscale = 0;
131 84f608f4 Vidar Madsen
static uint16_t *intra_matrix = NULL;
132
static uint16_t *inter_matrix = NULL;
133 ac2830ec Michael Niedermayer
#if 0 //experimental, (can be removed)
134 3aa102be Michael Niedermayer
static float video_rc_qsquish=1.0;
135
static float video_rc_qmod_amp=0;
136
static int video_rc_qmod_freq=0;
137 ac2830ec Michael Niedermayer
#endif
138 464a631c Morten Hustveit
static const char *video_rc_override_string=NULL;
139 85f07f22 Fabrice Bellard
static int video_disable = 0;
140 f3356e9c Michael Niedermayer
static int video_discard = 0;
141 4a897224 Nicolas George
static char *video_codec_name = NULL;
142 b2a2197e Michael Niedermayer
static int video_codec_tag = 0;
143 85f07f22 Fabrice Bellard
static int same_quality = 0;
144 cfcf0ffd Fabrice Bellard
static int do_deinterlace = 0;
145 bb198e19 Michael Niedermayer
static int top_field_first = -1;
146 f4f3223f Michael Niedermayer
static int me_threshold = 0;
147 1a11cbcc Michael Niedermayer
static int intra_dc_precision = 8;
148 5894e1bb Víctor Paesa
static int loop_input = 0;
149 8108551a Todd Kirby
static int loop_output = AVFMT_NOOUTPUTLOOP;
150 0888fd22 Michael Niedermayer
static int qp_hist = 0;
151 85f07f22 Fabrice Bellard
152
static int intra_only = 0;
153
static int audio_sample_rate = 44100;
154 13367a46 Benjamin Larsson
static int64_t channel_layout = 0;
155 c57c770d Justin Ruggles
#define QSCALE_NONE -99999
156
static float audio_qscale = QSCALE_NONE;
157 85f07f22 Fabrice Bellard
static int audio_disable = 0;
158
static int audio_channels = 1;
159 4a897224 Nicolas George
static char  *audio_codec_name = NULL;
160 b2a2197e Michael Niedermayer
static int audio_codec_tag = 0;
161 cf7fc795 Fabrice Bellard
static char *audio_language = NULL;
162
163 11bf3847 Aurelien Jacobs
static int subtitle_disable = 0;
164 4a897224 Nicolas George
static char *subtitle_codec_name = NULL;
165 cf7fc795 Fabrice Bellard
static char *subtitle_language = NULL;
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
static char *str_title = NULL;
176
static char *str_author = NULL;
177
static char *str_copyright = NULL;
178
static char *str_comment = NULL;
179 ab759f6e kweiner@spamcop.net
static char *str_genre = NULL;
180 63d5075c Panagiotis Issaris
static char *str_album = NULL;
181 5727b222 Fabrice Bellard
static int do_benchmark = 0;
182 a0663ba4 Fabrice Bellard
static int do_hex_dump = 0;
183 254abc2e Fabrice Bellard
static int do_pkt_dump = 0;
184 43f1708f Juanjo
static int do_psnr = 0;
185 5abdb4b1 Fabrice Bellard
static int do_pass = 0;
186 ad16627f Stefano Sabatini
static char *pass_logfilename_prefix = NULL;
187 1629626f Fabrice Bellard
static int audio_stream_copy = 0;
188
static int video_stream_copy = 0;
189 cf7fc795 Fabrice Bellard
static int subtitle_stream_copy = 0;
190 8858816d Michael Niedermayer
static int video_sync_method= -1;
191 986ebcdb Michael Niedermayer
static int audio_sync_method= 0;
192 d4d226a8 Michael Niedermayer
static float audio_drift_threshold= 0.1;
193 72bd8100 Michael Niedermayer
static int copy_ts= 0;
194 76bdac6d Stefano Sabatini
static int opt_shortest = 0;
195 90ad92b3 Michael Niedermayer
static int video_global_header = 0;
196 b60d1379 Stefano Sabatini
static char *vstats_filename;
197 032aa7df Stefano Sabatini
static FILE *vstats_file;
198 50e143c4 Nico Sabbi
static int opt_programid = 0;
199 50e3477f Wolfram Gloger
static int copy_initial_nonkeyframes = 0;
200 5abdb4b1 Fabrice Bellard
201 bdfcbbed Max Krasnyansky
static int rate_emu = 0;
202
203 a5df11ab Fabrice Bellard
static int  video_channel = 0;
204 df0cecdd Luca Abeni
static char *video_standard;
205 79a7c268 Fabrice Bellard
206 a9aa3467 Michael Niedermayer
static int audio_volume = 256;
207 8aa3ee32 Max Krasnyansky
208 f2abc559 Baptiste Coudurier
static int exit_on_error = 0;
209 d9a916e2 Charles Yates
static int using_stdin = 0;
210 bee0d9e5 Charles Yates
static int using_vhook = 0;
211 f068206e Bill Eldridge
static int verbose = 1;
212 9c3d33d6 Michael Niedermayer
static int thread_count= 1;
213 b51469a0 Leon van Stuivenberg
static int q_pressed = 0;
214 1008ceb3 Michael Niedermayer
static int64_t video_size = 0;
215
static int64_t audio_size = 0;
216
static int64_t extra_size = 0;
217 a6a92a9a Wolfram Gloger
static int nb_frames_dup = 0;
218
static int nb_frames_drop = 0;
219 6e454c38 Luca Abeni
static int input_sync;
220 76bdac6d Stefano Sabatini
static uint64_t limit_filesize = 0;
221 d2845b75 Stefano Sabatini
static int force_fps = 0;
222 d9a916e2 Charles Yates
223 5b6d5596 Michael Niedermayer
static int pgmyuv_compatibility_hack=0;
224 a8482aab Michael Niedermayer
static float dts_delta_threshold = 10;
225 5b6d5596 Michael Niedermayer
226 e60da588 Michael Niedermayer
static unsigned int sws_flags = SWS_BICUBIC;
227 18a54b04 Luca Abeni
228 29cc1c23 Benoit Fouet
static int64_t timer_start;
229 8bbf6db9 Michael Niedermayer
230 748c2fca Michael Niedermayer
static AVBitStreamFilterContext *video_bitstream_filters=NULL;
231
static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
232 e1cc8339 Reimar Döffinger
static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
233 748c2fca Michael Niedermayer
static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
234 5b6d5596 Michael Niedermayer
235 ad16627f Stefano Sabatini
#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
236 85f07f22 Fabrice Bellard
237 b4a3389e Wolfram Gloger
struct AVInputStream;
238
239 85f07f22 Fabrice Bellard
typedef struct AVOutputStream {
240
    int file_index;          /* file index */
241
    int index;               /* stream index in the output file */
242
    int source_index;        /* AVInputStream index */
243
    AVStream *st;            /* stream in the output file */
244 ec5517d5 Fabrice Bellard
    int encoding_needed;     /* true if encoding needed for this stream */
245
    int frame_number;
246
    /* input pts and corresponding output pts
247
       for A/V sync */
248 b4a3389e Wolfram Gloger
    //double sync_ipts;        /* dts from the AVPacket of the demuxer in second units */
249
    struct AVInputStream *sync_ist; /* input stream to sync against */
250 e928649b Michael Niedermayer
    int64_t sync_opts;       /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
251 85f07f22 Fabrice Bellard
    /* video only */
252 07d0cdfc Luca Abeni
    int video_resample;
253 a4d36c11 Michael Niedermayer
    AVFrame pict_tmp;      /* temporary image for resampling */
254 18a54b04 Luca Abeni
    struct SwsContext *img_resample_ctx; /* for image resampling */
255
    int resample_height;
256 34b10a57 Dieter
257 07d0cdfc Luca Abeni
    int video_crop;
258 34b10a57 Dieter
    int topBand;             /* cropping area sizes */
259
    int leftBand;
260 115329f1 Diego Biurrun
261 07d0cdfc Luca Abeni
    int video_pad;
262 1ff93ffc Todd Kirby
    int padtop;              /* padding area sizes */
263
    int padbottom;
264
    int padleft;
265
    int padright;
266 115329f1 Diego Biurrun
267 85f07f22 Fabrice Bellard
    /* audio only */
268
    int audio_resample;
269
    ReSampleContext *resample; /* for audio resampling */
270 a79db0f7 Peter Ross
    int reformat_pair;
271
    AVAudioConvert *reformat_ctx;
272 f5a478f6 Roman Shaposhnik
    AVFifoBuffer fifo;     /* for compression: one audio fifo per codec */
273 5abdb4b1 Fabrice Bellard
    FILE *logfile;
274 85f07f22 Fabrice Bellard
} AVOutputStream;
275
276
typedef struct AVInputStream {
277
    int file_index;
278
    int index;
279
    AVStream *st;
280
    int discard;             /* true if stream data should be discarded */
281
    int decoding_needed;     /* true if the packets must be decoded in 'raw_fifo' */
282 0c1a9eda Zdenek Kabelac
    int64_t sample_index;      /* current sample */
283 bdfcbbed Max Krasnyansky
284
    int64_t       start;     /* time when read started */
285 254abc2e Fabrice Bellard
    int64_t       next_pts;  /* synthetic pts for cases where pkt.pts
286
                                is not defined */
287 e7d0374f Roman Shaposhnik
    int64_t       pts;       /* current pts */
288 ff4905a5 Michael Niedermayer
    int is_start;            /* is 1 at the start and after a discontinuity */
289 85f07f22 Fabrice Bellard
} AVInputStream;
290
291
typedef struct AVInputFile {
292
    int eof_reached;      /* true if eof reached */
293
    int ist_index;        /* index of first stream in ist_table */
294
    int buffer_size;      /* current total buffer size */
295 79fdaa4c Fabrice Bellard
    int nb_streams;       /* nb streams we are aware of */
296 85f07f22 Fabrice Bellard
} AVInputFile;
297
298 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
299 bdc4796f Fabrice Bellard
300 85f07f22 Fabrice Bellard
/* init terminal so that we can grab keys */
301
static struct termios oldtty;
302 d86b83f8 Ramiro Polla
#endif
303 85f07f22 Fabrice Bellard
304
static void term_exit(void)
305
{
306 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
307 85f07f22 Fabrice Bellard
    tcsetattr (0, TCSANOW, &oldtty);
308 d86b83f8 Ramiro Polla
#endif
309 85f07f22 Fabrice Bellard
}
310
311 9680a722 Roumen Petrov
static volatile sig_atomic_t received_sigterm = 0;
312
313
static void
314
sigterm_handler(int sig)
315
{
316
    received_sigterm = sig;
317
    term_exit();
318
}
319
320 85f07f22 Fabrice Bellard
static void term_init(void)
321
{
322 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
323 85f07f22 Fabrice Bellard
    struct termios tty;
324
325
    tcgetattr (0, &tty);
326
    oldtty = tty;
327
328
    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
329
                          |INLCR|IGNCR|ICRNL|IXON);
330
    tty.c_oflag |= OPOST;
331
    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
332
    tty.c_cflag &= ~(CSIZE|PARENB);
333
    tty.c_cflag |= CS8;
334
    tty.c_cc[VMIN] = 1;
335
    tty.c_cc[VTIME] = 0;
336 115329f1 Diego Biurrun
337 85f07f22 Fabrice Bellard
    tcsetattr (0, TCSANOW, &tty);
338 d86b83f8 Ramiro Polla
    signal(SIGQUIT, sigterm_handler); /* Quit (POSIX).  */
339
#endif
340 85f07f22 Fabrice Bellard
341 9680a722 Roumen Petrov
    signal(SIGINT , sigterm_handler); /* Interrupt (ANSI).  */
342
    signal(SIGTERM, sigterm_handler); /* Termination (ANSI).  */
343
    /*
344
    register a function to be called at normal program termination
345
    */
346 85f07f22 Fabrice Bellard
    atexit(term_exit);
347 b250f9c6 Aurelien Jacobs
#if CONFIG_BEOS_NETSERVER
348 9ddd71fc François Revol
    fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
349
#endif
350 85f07f22 Fabrice Bellard
}
351
352
/* read a key without blocking */
353
static int read_key(void)
354
{
355 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
356 9ddd71fc François Revol
    int n = 1;
357 85f07f22 Fabrice Bellard
    unsigned char ch;
358 b250f9c6 Aurelien Jacobs
#if !CONFIG_BEOS_NETSERVER
359 9ddd71fc François Revol
    struct timeval tv;
360 85f07f22 Fabrice Bellard
    fd_set rfds;
361
362
    FD_ZERO(&rfds);
363
    FD_SET(0, &rfds);
364
    tv.tv_sec = 0;
365
    tv.tv_usec = 0;
366
    n = select(1, &rfds, NULL, NULL, &tv);
367 9ddd71fc François Revol
#endif
368 85f07f22 Fabrice Bellard
    if (n > 0) {
369 cb09b2ed Philip Gladstone
        n = read(0, &ch, 1);
370
        if (n == 1)
371 85f07f22 Fabrice Bellard
            return ch;
372 cb09b2ed Philip Gladstone
373
        return n;
374 85f07f22 Fabrice Bellard
    }
375 b250f9c6 Aurelien Jacobs
#elif HAVE_CONIO_H
376 4b54c6d0 Ramiro Polla
    if(kbhit())
377
        return(getch());
378 d86b83f8 Ramiro Polla
#endif
379 85f07f22 Fabrice Bellard
    return -1;
380
}
381
382 b51469a0 Leon van Stuivenberg
static int decode_interrupt_cb(void)
383
{
384
    return q_pressed || (q_pressed = read_key() == 'q');
385
}
386
387 296df4e7 Ramiro Polla
static int av_exit(int ret)
388 e5295c0d Ramiro Polla
{
389
    int i;
390
391
    /* close files */
392
    for(i=0;i<nb_output_files;i++) {
393
        /* maybe av_close_output_file ??? */
394
        AVFormatContext *s = output_files[i];
395
        int j;
396 8767060c Ramiro Polla
        if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
397 e5295c0d Ramiro Polla
            url_fclose(s->pb);
398
        for(j=0;j<s->nb_streams;j++) {
399 094d9df7 Aurelien Jacobs
            av_metadata_free(&s->streams[j]->metadata);
400 e5295c0d Ramiro Polla
            av_free(s->streams[j]->codec);
401
            av_free(s->streams[j]);
402
        }
403 094d9df7 Aurelien Jacobs
        for(j=0;j<s->nb_programs;j++) {
404
            av_metadata_free(&s->programs[j]->metadata);
405
        }
406
        for(j=0;j<s->nb_chapters;j++) {
407
            av_metadata_free(&s->chapters[j]->metadata);
408
        }
409
        av_metadata_free(&s->metadata);
410 e5295c0d Ramiro Polla
        av_free(s);
411
    }
412
    for(i=0;i<nb_input_files;i++)
413
        av_close_input_file(input_files[i]);
414
415
    av_free(intra_matrix);
416
    av_free(inter_matrix);
417
418
    if (vstats_file)
419
        fclose(vstats_file);
420
    av_free(vstats_filename);
421
422
    av_free(opt_names);
423
424
    av_free(video_codec_name);
425
    av_free(audio_codec_name);
426
    av_free(subtitle_codec_name);
427
428
    av_free(video_standard);
429
430 b250f9c6 Aurelien Jacobs
#if CONFIG_POWERPC_PERF
431 9686df2b Diego Biurrun
    void powerpc_display_perf_report(void);
432 e5295c0d Ramiro Polla
    powerpc_display_perf_report();
433
#endif /* CONFIG_POWERPC_PERF */
434
435
    if (received_sigterm) {
436
        fprintf(stderr,
437
            "Received signal %d: terminating.\n",
438
            (int) received_sigterm);
439
        exit (255);
440
    }
441
442 296df4e7 Ramiro Polla
    exit(ret); /* not all OS-es handle main() return value */
443
    return ret;
444 e5295c0d Ramiro Polla
}
445
446 b29f97d1 Zdenek Kabelac
static int read_ffserver_streams(AVFormatContext *s, const char *filename)
447 85f07f22 Fabrice Bellard
{
448 79fdaa4c Fabrice Bellard
    int i, err;
449 85f07f22 Fabrice Bellard
    AVFormatContext *ic;
450 3438d82d Baptiste Coudurier
    int nopts = 0;
451 85f07f22 Fabrice Bellard
452 79fdaa4c Fabrice Bellard
    err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
453
    if (err < 0)
454
        return err;
455 85f07f22 Fabrice Bellard
    /* copy stream format */
456
    s->nb_streams = ic->nb_streams;
457
    for(i=0;i<ic->nb_streams;i++) {
458
        AVStream *st;
459 1e491e29 Michael Niedermayer
460 f37f8d4c Alex Beregszaszi
        // FIXME: a more elegant solution is needed
461 e1031171 Alex Beregszaszi
        st = av_mallocz(sizeof(AVStream));
462 85f07f22 Fabrice Bellard
        memcpy(st, ic->streams[i], sizeof(AVStream));
463 f37f8d4c Alex Beregszaszi
        st->codec = avcodec_alloc_context();
464
        memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
465 85f07f22 Fabrice Bellard
        s->streams[i] = st;
466 837d248d Baptiste Coudurier
467
        if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
468
            st->stream_copy = 1;
469
        else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
470
            st->stream_copy = 1;
471
472 dbedf2aa Baptiste Coudurier
        if(!st->codec->thread_count)
473
            st->codec->thread_count = 1;
474
        if(st->codec->thread_count>1)
475
            avcodec_thread_init(st->codec, st->codec->thread_count);
476
477 3438d82d Baptiste Coudurier
        if(st->codec->flags & CODEC_FLAG_BITEXACT)
478
            nopts = 1;
479 85f07f22 Fabrice Bellard
    }
480
481 3438d82d Baptiste Coudurier
    if (!nopts)
482
        s->timestamp = av_gettime();
483
484 85f07f22 Fabrice Bellard
    av_close_input_file(ic);
485
    return 0;
486
}
487
488 b4a3389e Wolfram Gloger
static double
489
get_sync_ipts(const AVOutputStream *ost)
490
{
491
    const AVInputStream *ist = ost->sync_ist;
492 fec401f7 Michael Niedermayer
    return (double)(ist->pts - start_time)/AV_TIME_BASE;
493 b4a3389e Wolfram Gloger
}
494
495 748c2fca Michael Niedermayer
static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
496 0ac07031 Michael Niedermayer
    int ret;
497
498 748c2fca Michael Niedermayer
    while(bsfc){
499
        AVPacket new_pkt= *pkt;
500
        int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
501
                                          &new_pkt.data, &new_pkt.size,
502
                                          pkt->data, pkt->size,
503
                                          pkt->flags & PKT_FLAG_KEY);
504 7055cdac Benoit Fouet
        if(a>0){
505 748c2fca Michael Niedermayer
            av_free_packet(pkt);
506
            new_pkt.destruct= av_destruct_packet;
507 7055cdac Benoit Fouet
        } else if(a<0){
508 1f8e32cd Diego Biurrun
            fprintf(stderr, "%s failed for stream %d, codec %s",
509
                    bsfc->filter->name, pkt->stream_index,
510
                    avctx->codec ? avctx->codec->name : "copy");
511 7055cdac Benoit Fouet
            print_error("", a);
512 f2abc559 Baptiste Coudurier
            if (exit_on_error)
513
                av_exit(1);
514 748c2fca Michael Niedermayer
        }
515
        *pkt= new_pkt;
516
517
        bsfc= bsfc->next;
518
    }
519
520 0ac07031 Michael Niedermayer
    ret= av_interleaved_write_frame(s, pkt);
521
    if(ret < 0){
522
        print_error("av_interleaved_write_frame()", ret);
523 296df4e7 Ramiro Polla
        av_exit(1);
524 0ac07031 Michael Niedermayer
    }
525 748c2fca Michael Niedermayer
}
526
527 817b23ff Fabrice Bellard
#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
528 85f07f22 Fabrice Bellard
529 115329f1 Diego Biurrun
static void do_audio_out(AVFormatContext *s,
530
                         AVOutputStream *ost,
531 85f07f22 Fabrice Bellard
                         AVInputStream *ist,
532
                         unsigned char *buf, int size)
533
{
534 0c1a9eda Zdenek Kabelac
    uint8_t *buftmp;
535 d66c7abc Sylvain Corré
    static uint8_t *audio_buf = NULL;
536
    static uint8_t *audio_out = NULL;
537 a79db0f7 Peter Ross
    static uint8_t *audio_out2 = NULL;
538 558eae03 Michael Niedermayer
    const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
539 d66c7abc Sylvain Corré
540 85f07f22 Fabrice Bellard
    int size_out, frame_bytes, ret;
541 01f4895c Michael Niedermayer
    AVCodecContext *enc= ost->st->codec;
542 2886f311 Andreas Öman
    AVCodecContext *dec= ist->st->codec;
543 287ba997 Peter Ross
    int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
544
    int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
545 85f07f22 Fabrice Bellard
546 d66c7abc Sylvain Corré
    /* SC: dynamic allocation of buffers */
547
    if (!audio_buf)
548
        audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
549
    if (!audio_out)
550 558eae03 Michael Niedermayer
        audio_out = av_malloc(audio_out_size);
551 d66c7abc Sylvain Corré
    if (!audio_buf || !audio_out)
552
        return;               /* Should signal an error ! */
553
554 2886f311 Andreas Öman
    if (enc->channels != dec->channels)
555
        ost->audio_resample = 1;
556
557
    if (ost->audio_resample && !ost->resample) {
558 f0319383 Peter Ross
        if (dec->sample_fmt != SAMPLE_FMT_S16) {
559
            fprintf(stderr, "Audio resampler only works with 16 bits per sample, patch welcome.\n");
560
            av_exit(1);
561
        }
562 2886f311 Andreas Öman
        ost->resample = audio_resample_init(enc->channels,    dec->channels,
563
                                            enc->sample_rate, dec->sample_rate);
564
        if (!ost->resample) {
565
            fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
566
                    dec->channels, dec->sample_rate,
567
                    enc->channels, enc->sample_rate);
568 296df4e7 Ramiro Polla
            av_exit(1);
569 2886f311 Andreas Öman
        }
570
    }
571
572 a79db0f7 Peter Ross
#define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
573
    if (dec->sample_fmt!=enc->sample_fmt &&
574
        MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
575
        if (!audio_out2)
576
            audio_out2 = av_malloc(audio_out_size);
577
        if (!audio_out2)
578
            av_exit(1);
579
        if (ost->reformat_ctx)
580
            av_audio_convert_free(ost->reformat_ctx);
581
        ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
582
                                                   dec->sample_fmt, 1, NULL, 0);
583
        if (!ost->reformat_ctx) {
584
            fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
585
                avcodec_get_sample_fmt_name(dec->sample_fmt),
586
                avcodec_get_sample_fmt_name(enc->sample_fmt));
587
            av_exit(1);
588
        }
589
        ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
590
    }
591
592 986ebcdb Michael Niedermayer
    if(audio_sync_method){
593 115329f1 Diego Biurrun
        double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
594 f5a478f6 Roman Shaposhnik
                - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
595 01f4895c Michael Niedermayer
        double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
596
        int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
597 ff4905a5 Michael Niedermayer
598 986ebcdb Michael Niedermayer
        //FIXME resample delay
599
        if(fabs(delta) > 50){
600 d4d226a8 Michael Niedermayer
            if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
601 ff4905a5 Michael Niedermayer
                if(byte_delta < 0){
602 f41dd5aa Michael Niedermayer
                    byte_delta= FFMAX(byte_delta, -size);
603 ff4905a5 Michael Niedermayer
                    size += byte_delta;
604
                    buf  -= byte_delta;
605
                    if(verbose > 2)
606
                        fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
607
                    if(!size)
608
                        return;
609
                    ist->is_start=0;
610
                }else{
611
                    static uint8_t *input_tmp= NULL;
612
                    input_tmp= av_realloc(input_tmp, byte_delta + size);
613
614
                    if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
615
                        ist->is_start=0;
616
                    else
617
                        byte_delta= MAX_AUDIO_PACKET_SIZE - size;
618
619
                    memset(input_tmp, 0, byte_delta);
620
                    memcpy(input_tmp + byte_delta, buf, size);
621
                    buf= input_tmp;
622
                    size += byte_delta;
623
                    if(verbose > 2)
624
                        fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
625
                }
626
            }else if(audio_sync_method>1){
627 f66e4f5f Reimar Döffinger
                int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
628 ff4905a5 Michael Niedermayer
                assert(ost->audio_resample);
629
                if(verbose > 2)
630
                    fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
631 949b1a13 Steve L'Homme
//                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));
632 ff4905a5 Michael Niedermayer
                av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
633
            }
634 115329f1 Diego Biurrun
        }
635 986ebcdb Michael Niedermayer
    }else
636 b4a3389e Wolfram Gloger
        ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
637 f5a478f6 Roman Shaposhnik
                        - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
638 85f07f22 Fabrice Bellard
639
    if (ost->audio_resample) {
640
        buftmp = audio_buf;
641 115329f1 Diego Biurrun
        size_out = audio_resample(ost->resample,
642 85f07f22 Fabrice Bellard
                                  (short *)buftmp, (short *)buf,
643 287ba997 Peter Ross
                                  size / (ist->st->codec->channels * isize));
644
        size_out = size_out * enc->channels * osize;
645 85f07f22 Fabrice Bellard
    } else {
646
        buftmp = buf;
647
        size_out = size;
648
    }
649
650 a79db0f7 Peter Ross
    if (dec->sample_fmt!=enc->sample_fmt) {
651
        const void *ibuf[6]= {buftmp};
652
        void *obuf[6]= {audio_out2};
653 287ba997 Peter Ross
        int istride[6]= {isize};
654
        int ostride[6]= {osize};
655 a79db0f7 Peter Ross
        int len= size_out/istride[0];
656
        if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
657
            printf("av_audio_convert() failed\n");
658 f2abc559 Baptiste Coudurier
            if (exit_on_error)
659
                av_exit(1);
660 a79db0f7 Peter Ross
            return;
661
        }
662
        buftmp = audio_out2;
663 287ba997 Peter Ross
        size_out = len*osize;
664 a79db0f7 Peter Ross
    }
665
666 85f07f22 Fabrice Bellard
    /* now encode as many frames as possible */
667 a0663ba4 Fabrice Bellard
    if (enc->frame_size > 1) {
668 85f07f22 Fabrice Bellard
        /* output resampled raw samples */
669 745b39d5 Stefano Sabatini
        if (av_fifo_realloc2(&ost->fifo, av_fifo_size(&ost->fifo) + size_out) < 0) {
670
            fprintf(stderr, "av_fifo_realloc2() failed\n");
671
            av_exit(1);
672
        }
673 1234da4c Baptiste Coudurier
        av_fifo_generic_write(&ost->fifo, buftmp, size_out, NULL);
674 85f07f22 Fabrice Bellard
675 287ba997 Peter Ross
        frame_bytes = enc->frame_size * osize * enc->channels;
676 115329f1 Diego Biurrun
677 0871ae1a Michael Niedermayer
        while (av_fifo_size(&ost->fifo) >= frame_bytes) {
678 e928649b Michael Niedermayer
            AVPacket pkt;
679
            av_init_packet(&pkt);
680
681 0871ae1a Michael Niedermayer
            av_fifo_read(&ost->fifo, audio_buf, frame_bytes);
682
683 5bc440e7 Michael Niedermayer
            //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
684
685 115329f1 Diego Biurrun
            ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
686 a0663ba4 Fabrice Bellard
                                       (short *)audio_buf);
687 528271ff Michael Niedermayer
            if (ret < 0) {
688
                fprintf(stderr, "Audio encoding failed\n");
689
                av_exit(1);
690
            }
691 1008ceb3 Michael Niedermayer
            audio_size += ret;
692 e928649b Michael Niedermayer
            pkt.stream_index= ost->index;
693
            pkt.data= audio_out;
694
            pkt.size= ret;
695 e7902f20 Michael Niedermayer
            if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
696 c0df9d75 Michael Niedermayer
                pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
697 e928649b Michael Niedermayer
            pkt.flags |= PKT_FLAG_KEY;
698 748c2fca Michael Niedermayer
            write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
699 115329f1 Diego Biurrun
700 986ebcdb Michael Niedermayer
            ost->sync_opts += enc->frame_size;
701 85f07f22 Fabrice Bellard
        }
702
    } else {
703 e928649b Michael Niedermayer
        AVPacket pkt;
704 287ba997 Peter Ross
        int coded_bps = av_get_bits_per_sample(enc->codec->id)/8;
705 e928649b Michael Niedermayer
        av_init_packet(&pkt);
706 986ebcdb Michael Niedermayer
707 287ba997 Peter Ross
        ost->sync_opts += size_out / (osize * enc->channels);
708 986ebcdb Michael Niedermayer
709 a0663ba4 Fabrice Bellard
        /* output a pcm frame */
710 287ba997 Peter Ross
        /* determine the size of the coded buffer */
711
        size_out /= osize;
712
        if (coded_bps)
713
            size_out *= coded_bps;
714
715 5bc440e7 Michael Niedermayer
        //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
716 115329f1 Diego Biurrun
        ret = avcodec_encode_audio(enc, audio_out, size_out,
717 bb270c08 Diego Biurrun
                                   (short *)buftmp);
718 528271ff Michael Niedermayer
        if (ret < 0) {
719
            fprintf(stderr, "Audio encoding failed\n");
720
            av_exit(1);
721
        }
722 1008ceb3 Michael Niedermayer
        audio_size += ret;
723 e928649b Michael Niedermayer
        pkt.stream_index= ost->index;
724
        pkt.data= audio_out;
725
        pkt.size= ret;
726 e7902f20 Michael Niedermayer
        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
727 c0df9d75 Michael Niedermayer
            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
728 e928649b Michael Niedermayer
        pkt.flags |= PKT_FLAG_KEY;
729 748c2fca Michael Niedermayer
        write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
730 85f07f22 Fabrice Bellard
    }
731
}
732
733 10d104e4 Philip Gladstone
static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
734
{
735
    AVCodecContext *dec;
736
    AVPicture *picture2;
737
    AVPicture picture_tmp;
738 0c1a9eda Zdenek Kabelac
    uint8_t *buf = 0;
739 10d104e4 Philip Gladstone
740 01f4895c Michael Niedermayer
    dec = ist->st->codec;
741 10d104e4 Philip Gladstone
742
    /* deinterlace : must be done before any resize */
743 bee0d9e5 Charles Yates
    if (do_deinterlace || using_vhook) {
744 10d104e4 Philip Gladstone
        int size;
745
746
        /* create temporary picture */
747
        size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
748
        buf = av_malloc(size);
749
        if (!buf)
750
            return;
751 115329f1 Diego Biurrun
752 10d104e4 Philip Gladstone
        picture2 = &picture_tmp;
753
        avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
754
755 dafc3856 Michael Niedermayer
        if (do_deinterlace){
756 115329f1 Diego Biurrun
            if(avpicture_deinterlace(picture2, picture,
757 dafc3856 Michael Niedermayer
                                     dec->pix_fmt, dec->width, dec->height) < 0) {
758
                /* if error, do not deinterlace */
759 6b682df2 Baptiste Coudurier
                fprintf(stderr, "Deinterlacing failed\n");
760 dafc3856 Michael Niedermayer
                av_free(buf);
761
                buf = NULL;
762
                picture2 = picture;
763
            }
764
        } else {
765 636d6a4a Panagiotis Issaris
            av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
766 bee0d9e5 Charles Yates
        }
767 10d104e4 Philip Gladstone
    } else {
768
        picture2 = picture;
769
    }
770
771 49fb20cb Aurelien Jacobs
    if (CONFIG_VHOOK)
772 390d5a7c Diego Biurrun
        frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
773
                           1000000 * ist->pts / AV_TIME_BASE);
774 10d104e4 Philip Gladstone
775
    if (picture != picture2)
776
        *picture = *picture2;
777
    *bufp = buf;
778
}
779
780 ec5517d5 Fabrice Bellard
/* we begin to correct av delay at this threshold */
781
#define AV_DELAY_MAX 0.100
782 85f07f22 Fabrice Bellard
783 115329f1 Diego Biurrun
static void do_subtitle_out(AVFormatContext *s,
784
                            AVOutputStream *ost,
785 cf7fc795 Fabrice Bellard
                            AVInputStream *ist,
786
                            AVSubtitle *sub,
787
                            int64_t pts)
788
{
789
    static uint8_t *subtitle_out = NULL;
790
    int subtitle_out_max_size = 65536;
791
    int subtitle_out_size, nb, i;
792
    AVCodecContext *enc;
793
    AVPacket pkt;
794
795
    if (pts == AV_NOPTS_VALUE) {
796
        fprintf(stderr, "Subtitle packets must have a pts\n");
797 f2abc559 Baptiste Coudurier
        if (exit_on_error)
798
            av_exit(1);
799 cf7fc795 Fabrice Bellard
        return;
800
    }
801
802 01f4895c Michael Niedermayer
    enc = ost->st->codec;
803 cf7fc795 Fabrice Bellard
804
    if (!subtitle_out) {
805
        subtitle_out = av_malloc(subtitle_out_max_size);
806
    }
807
808
    /* Note: DVB subtitle need one packet to draw them and one other
809
       packet to clear them */
810
    /* XXX: signal it in the codec context ? */
811
    if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
812
        nb = 2;
813
    else
814
        nb = 1;
815
816
    for(i = 0; i < nb; i++) {
817 115329f1 Diego Biurrun
        subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
818 cf7fc795 Fabrice Bellard
                                                    subtitle_out_max_size, sub);
819 115329f1 Diego Biurrun
820 cf7fc795 Fabrice Bellard
        av_init_packet(&pkt);
821
        pkt.stream_index = ost->index;
822
        pkt.data = subtitle_out;
823
        pkt.size = subtitle_out_size;
824 fec401f7 Michael Niedermayer
        pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
825 cf7fc795 Fabrice Bellard
        if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
826
            /* XXX: the pts correction is handled here. Maybe handling
827
               it in the codec would be better */
828
            if (i == 0)
829
                pkt.pts += 90 * sub->start_display_time;
830
            else
831
                pkt.pts += 90 * sub->end_display_time;
832
        }
833 748c2fca Michael Niedermayer
        write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
834 cf7fc795 Fabrice Bellard
    }
835
}
836
837 8a6cb114 Michael Niedermayer
static int bit_buffer_size= 1024*256;
838 27537106 Michael Niedermayer
static uint8_t *bit_buffer= NULL;
839 1ff93ffc Todd Kirby
840 115329f1 Diego Biurrun
static void do_video_out(AVFormatContext *s,
841
                         AVOutputStream *ost,
842 85f07f22 Fabrice Bellard
                         AVInputStream *ist,
843 7a0f9d7e Fabrice Bellard
                         AVFrame *in_picture,
844 986ebcdb Michael Niedermayer
                         int *frame_size)
845 85f07f22 Fabrice Bellard
{
846 ec5517d5 Fabrice Bellard
    int nb_frames, i, ret;
847 07d0cdfc Luca Abeni
    AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
848 18a54b04 Luca Abeni
    AVFrame picture_crop_temp, picture_pad_temp;
849 cfcf0ffd Fabrice Bellard
    AVCodecContext *enc, *dec;
850 115329f1 Diego Biurrun
851 a4d36c11 Michael Niedermayer
    avcodec_get_frame_defaults(&picture_crop_temp);
852 07d0cdfc Luca Abeni
    avcodec_get_frame_defaults(&picture_pad_temp);
853 a4d36c11 Michael Niedermayer
854 01f4895c Michael Niedermayer
    enc = ost->st->codec;
855
    dec = ist->st->codec;
856 85f07f22 Fabrice Bellard
857 ec5517d5 Fabrice Bellard
    /* by default, we output a single frame */
858
    nb_frames = 1;
859
860 204c0f48 Philip Gladstone
    *frame_size = 0;
861
862 8858816d Michael Niedermayer
    if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
863 10d104e4 Philip Gladstone
        double vdelta;
864 b4a3389e Wolfram Gloger
        vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
865 e928649b Michael Niedermayer
        //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
866
        if (vdelta < -1.1)
867
            nb_frames = 0;
868 880add37 Michael Niedermayer
        else if (video_sync_method == 2)
869
            ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
870 e928649b Michael Niedermayer
        else if (vdelta > 1.1)
871 70122f29 Michael Niedermayer
            nb_frames = lrintf(vdelta);
872 949b1a13 Steve L'Homme
//fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, ost->sync_ipts, nb_frames);
873 50c3dd32 Michael Niedermayer
        if (nb_frames == 0){
874
            ++nb_frames_drop;
875
            if (verbose>2)
876
                fprintf(stderr, "*** drop!\n");
877 8300609b Michael Niedermayer
        }else if (nb_frames > 1) {
878
            nb_frames_dup += nb_frames;
879 50c3dd32 Michael Niedermayer
            if (verbose>2)
880 8300609b Michael Niedermayer
                fprintf(stderr, "*** %d dup!\n", nb_frames-1);
881 50c3dd32 Michael Niedermayer
        }
882
    }else
883 b4a3389e Wolfram Gloger
        ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
884 445f1b83 Roman Shaposhnik
885 7ca60994 Michael Niedermayer
    nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
886 115329f1 Diego Biurrun
    if (nb_frames <= 0)
887 85f07f22 Fabrice Bellard
        return;
888 ce7c56c2 Juanjo
889 07d0cdfc Luca Abeni
    if (ost->video_crop) {
890 636d6a4a Panagiotis Issaris
        if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
891 07d0cdfc Luca Abeni
            av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
892 f2abc559 Baptiste Coudurier
            if (exit_on_error)
893
                av_exit(1);
894 4e780252 Limin Wang
            return;
895 07d0cdfc Luca Abeni
        }
896
        formatted_picture = &picture_crop_temp;
897 18a54b04 Luca Abeni
    } else {
898
        formatted_picture = in_picture;
899 07d0cdfc Luca Abeni
    }
900
901
    final_picture = formatted_picture;
902
    padding_src = formatted_picture;
903
    resampling_dst = &ost->pict_tmp;
904
    if (ost->video_pad) {
905
        final_picture = &ost->pict_tmp;
906
        if (ost->video_resample) {
907 636d6a4a Panagiotis Issaris
            if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
908 07d0cdfc Luca Abeni
                av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
909 f2abc559 Baptiste Coudurier
                if (exit_on_error)
910
                    av_exit(1);
911 4e780252 Limin Wang
                return;
912 07d0cdfc Luca Abeni
            }
913
            resampling_dst = &picture_pad_temp;
914
        }
915
    }
916
917 85f07f22 Fabrice Bellard
    if (ost->video_resample) {
918 07d0cdfc Luca Abeni
        padding_src = NULL;
919 34b10a57 Dieter
        final_picture = &ost->pict_tmp;
920 18a54b04 Luca Abeni
        sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
921
              0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
922 f122deb4 Luca Abeni
    }
923 07d0cdfc Luca Abeni
924
    if (ost->video_pad) {
925 636d6a4a Panagiotis Issaris
        av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
926 07d0cdfc Luca Abeni
                enc->height, enc->width, enc->pix_fmt,
927
                ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
928 85f07f22 Fabrice Bellard
    }
929 07d0cdfc Luca Abeni
930 85f07f22 Fabrice Bellard
    /* duplicates frame if needed */
931 ec5517d5 Fabrice Bellard
    for(i=0;i<nb_frames;i++) {
932 e928649b Michael Niedermayer
        AVPacket pkt;
933
        av_init_packet(&pkt);
934
        pkt.stream_index= ost->index;
935
936 e8750b00 Fred Rothganger
        if (s->oformat->flags & AVFMT_RAWPICTURE) {
937
            /* raw pictures are written as AVPicture structure to
938
               avoid any copies. We support temorarily the older
939
               method. */
940 2744ca9a Roman Shaposhnik
            AVFrame* old_frame = enc->coded_frame;
941 bb270c08 Diego Biurrun
            enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
942 e928649b Michael Niedermayer
            pkt.data= (uint8_t *)final_picture;
943
            pkt.size=  sizeof(AVPicture);
944 b4dba580 Michael Niedermayer
            pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
945
            pkt.flags |= PKT_FLAG_KEY;
946 e928649b Michael Niedermayer
947 748c2fca Michael Niedermayer
            write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
948 bb270c08 Diego Biurrun
            enc->coded_frame = old_frame;
949 e8750b00 Fred Rothganger
        } else {
950 492cd3a9 Michael Niedermayer
            AVFrame big_picture;
951 a4d36c11 Michael Niedermayer
952
            big_picture= *final_picture;
953 7a0f9d7e Fabrice Bellard
            /* better than nothing: use input picture interlaced
954
               settings */
955
            big_picture.interlaced_frame = in_picture->interlaced_frame;
956 23b254fb Benoit Fouet
            if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
957 bb198e19 Michael Niedermayer
                if(top_field_first == -1)
958
                    big_picture.top_field_first = in_picture->top_field_first;
959
                else
960 2a8edc5d Michael Niedermayer
                    big_picture.top_field_first = top_field_first;
961 bb198e19 Michael Niedermayer
            }
962 7a0f9d7e Fabrice Bellard
963 85f07f22 Fabrice Bellard
            /* handles sameq here. This is not correct because it may
964
               not be a global option */
965
            if (same_quality) {
966 1e491e29 Michael Niedermayer
                big_picture.quality = ist->st->quality;
967
            }else
968
                big_picture.quality = ost->st->quality;
969 f4f3223f Michael Niedermayer
            if(!me_threshold)
970
                big_picture.pict_type = 0;
971 50c3dd32 Michael Niedermayer
//            big_picture.pts = AV_NOPTS_VALUE;
972 c0df9d75 Michael Niedermayer
            big_picture.pts= ost->sync_opts;
973
//            big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
974 949b1a13 Steve L'Homme
//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
975 115329f1 Diego Biurrun
            ret = avcodec_encode_video(enc,
976 8a6cb114 Michael Niedermayer
                                       bit_buffer, bit_buffer_size,
977 1e491e29 Michael Niedermayer
                                       &big_picture);
978 95af5e1c Michael Niedermayer
            if (ret < 0) {
979 4156a436 Panagiotis Issaris
                fprintf(stderr, "Video encoding failed\n");
980 296df4e7 Ramiro Polla
                av_exit(1);
981 4156a436 Panagiotis Issaris
            }
982 44429457 Juanjo
            //enc->frame_number = enc->real_pict_num;
983 4bbc6260 Michael Niedermayer
            if(ret>0){
984 27537106 Michael Niedermayer
                pkt.data= bit_buffer;
985 e928649b Michael Niedermayer
                pkt.size= ret;
986 e6b4e4ff Michael Niedermayer
                if(enc->coded_frame->pts != AV_NOPTS_VALUE)
987 c0df9d75 Michael Niedermayer
                    pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
988 949b1a13 Steve L'Homme
/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
989 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,
990
   pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
991 50c3dd32 Michael Niedermayer
992 e6b4e4ff Michael Niedermayer
                if(enc->coded_frame->key_frame)
993 e928649b Michael Niedermayer
                    pkt.flags |= PKT_FLAG_KEY;
994 748c2fca Michael Niedermayer
                write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
995 e928649b Michael Niedermayer
                *frame_size = ret;
996 44eb047a Michael Niedermayer
                video_size += ret;
997 e928649b Michael Niedermayer
                //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
998
                //        enc->frame_number-1, enc->real_pict_num, ret,
999
                //        enc->pict_type);
1000
                /* if two pass, output log */
1001
                if (ost->logfile && enc->stats_out) {
1002
                    fprintf(ost->logfile, "%s", enc->stats_out);
1003
                }
1004 5abdb4b1 Fabrice Bellard
            }
1005 85f07f22 Fabrice Bellard
        }
1006 50c3dd32 Michael Niedermayer
        ost->sync_opts++;
1007 ec5517d5 Fabrice Bellard
        ost->frame_number++;
1008 85f07f22 Fabrice Bellard
    }
1009
}
1010
1011 140cb663 Michael Niedermayer
static double psnr(double d){
1012 b29f97d1 Zdenek Kabelac
    return -10.0*log(d)/log(10.0);
1013 140cb663 Michael Niedermayer
}
1014
1015 115329f1 Diego Biurrun
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1016 ec5517d5 Fabrice Bellard
                           int frame_size)
1017 ce7c56c2 Juanjo
{
1018
    AVCodecContext *enc;
1019
    int frame_number;
1020
    double ti1, bitrate, avg_bitrate;
1021 115329f1 Diego Biurrun
1022 b60d1379 Stefano Sabatini
    /* this is executed just the first time do_video_stats is called */
1023 032aa7df Stefano Sabatini
    if (!vstats_file) {
1024
        vstats_file = fopen(vstats_filename, "w");
1025
        if (!vstats_file) {
1026 4bd0c2b1 Benoit Fouet
            perror("fopen");
1027 296df4e7 Ramiro Polla
            av_exit(1);
1028 4bd0c2b1 Benoit Fouet
        }
1029
    }
1030
1031 01f4895c Michael Niedermayer
    enc = ost->st->codec;
1032 ce7c56c2 Juanjo
    if (enc->codec_type == CODEC_TYPE_VIDEO) {
1033 ec5517d5 Fabrice Bellard
        frame_number = ost->frame_number;
1034 032aa7df Stefano Sabatini
        fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1035 140cb663 Michael Niedermayer
        if (enc->flags&CODEC_FLAG_PSNR)
1036 032aa7df Stefano Sabatini
            fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1037 115329f1 Diego Biurrun
1038 032aa7df Stefano Sabatini
        fprintf(vstats_file,"f_size= %6d ", frame_size);
1039 ec5517d5 Fabrice Bellard
        /* compute pts value */
1040 c0df9d75 Michael Niedermayer
        ti1 = ost->sync_opts * av_q2d(enc->time_base);
1041 ce7c56c2 Juanjo
        if (ti1 < 0.01)
1042
            ti1 = 0.01;
1043 115329f1 Diego Biurrun
1044 c0df9d75 Michael Niedermayer
        bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1045 1008ceb3 Michael Niedermayer
        avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1046 032aa7df Stefano Sabatini
        fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1047 1008ceb3 Michael Niedermayer
            (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1048 032aa7df Stefano Sabatini
        fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1049 ce7c56c2 Juanjo
    }
1050 ec5517d5 Fabrice Bellard
}
1051
1052 b29f97d1 Zdenek Kabelac
static void print_report(AVFormatContext **output_files,
1053 bb270c08 Diego Biurrun
                         AVOutputStream **ost_table, int nb_ostreams,
1054
                         int is_last_report)
1055 ec5517d5 Fabrice Bellard
{
1056
    char buf[1024];
1057
    AVOutputStream *ost;
1058
    AVFormatContext *oc, *os;
1059 0c1a9eda Zdenek Kabelac
    int64_t total_size;
1060 ec5517d5 Fabrice Bellard
    AVCodecContext *enc;
1061
    int frame_number, vid, i;
1062
    double bitrate, ti1, pts;
1063 0c1a9eda Zdenek Kabelac
    static int64_t last_time = -1;
1064 0888fd22 Michael Niedermayer
    static int qp_histogram[52];
1065 115329f1 Diego Biurrun
1066 ec5517d5 Fabrice Bellard
    if (!is_last_report) {
1067 0c1a9eda Zdenek Kabelac
        int64_t cur_time;
1068 ec5517d5 Fabrice Bellard
        /* display the report every 0.5 seconds */
1069
        cur_time = av_gettime();
1070
        if (last_time == -1) {
1071
            last_time = cur_time;
1072
            return;
1073 115329f1 Diego Biurrun
        }
1074 ec5517d5 Fabrice Bellard
        if ((cur_time - last_time) < 500000)
1075
            return;
1076
        last_time = cur_time;
1077
    }
1078
1079 ce7c56c2 Juanjo
1080 ec5517d5 Fabrice Bellard
    oc = output_files[0];
1081
1082 899681cd Björn Axelsson
    total_size = url_fsize(oc->pb);
1083 859d95ba Michael Niedermayer
    if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1084 899681cd Björn Axelsson
        total_size= url_ftell(oc->pb);
1085 115329f1 Diego Biurrun
1086 ec5517d5 Fabrice Bellard
    buf[0] = '\0';
1087
    ti1 = 1e10;
1088
    vid = 0;
1089
    for(i=0;i<nb_ostreams;i++) {
1090
        ost = ost_table[i];
1091
        os = output_files[ost->file_index];
1092 01f4895c Michael Niedermayer
        enc = ost->st->codec;
1093 10d104e4 Philip Gladstone
        if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1094 0ecca7a4 Michael Niedermayer
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1095 e6b4e4ff Michael Niedermayer
                     !ost->st->stream_copy ?
1096 99fb79b5 Baptiste Coudurier
                     enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1097 10d104e4 Philip Gladstone
        }
1098 ec5517d5 Fabrice Bellard
        if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1099 7fc98937 Limin Wang
            float t = (av_gettime()-timer_start) / 1000000.0;
1100
1101 ec5517d5 Fabrice Bellard
            frame_number = ost->frame_number;
1102 7fc98937 Limin Wang
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1103
                     frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1104 e6b4e4ff Michael Niedermayer
                     !ost->st->stream_copy ?
1105 99fb79b5 Baptiste Coudurier
                     enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1106 890972be Michael Niedermayer
            if(is_last_report)
1107 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1108 e6b4e4ff Michael Niedermayer
            if(qp_hist){
1109 0888fd22 Michael Niedermayer
                int j;
1110
                int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1111 37d3e066 Aurelien Jacobs
                if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1112 0888fd22 Michael Niedermayer
                    qp_histogram[qp]++;
1113
                for(j=0; j<32; j++)
1114
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1115
            }
1116 890972be Michael Niedermayer
            if (enc->flags&CODEC_FLAG_PSNR){
1117
                int j;
1118
                double error, error_sum=0;
1119
                double scale, scale_sum=0;
1120
                char type[3]= {'Y','U','V'};
1121 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1122 890972be Michael Niedermayer
                for(j=0; j<3; j++){
1123
                    if(is_last_report){
1124
                        error= enc->error[j];
1125
                        scale= enc->width*enc->height*255.0*255.0*frame_number;
1126
                    }else{
1127
                        error= enc->coded_frame->error[j];
1128
                        scale= enc->width*enc->height*255.0*255.0;
1129
                    }
1130
                    if(j) scale/=4;
1131
                    error_sum += error;
1132
                    scale_sum += scale;
1133 0ecca7a4 Michael Niedermayer
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1134 890972be Michael Niedermayer
                }
1135 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1136 890972be Michael Niedermayer
            }
1137 ec5517d5 Fabrice Bellard
            vid = 1;
1138
        }
1139
        /* compute min output value */
1140 43924f01 Alex Beregszaszi
        pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1141 5d9827bc Kareila
        if ((pts < ti1) && (pts > 0))
1142 ec5517d5 Fabrice Bellard
            ti1 = pts;
1143
    }
1144
    if (ti1 < 0.01)
1145
        ti1 = 0.01;
1146 115329f1 Diego Biurrun
1147 f068206e Bill Eldridge
    if (verbose || is_last_report) {
1148
        bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1149 115329f1 Diego Biurrun
1150
        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1151 475f4d8d David Bolt
            "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1152 ec5517d5 Fabrice Bellard
            (double)total_size / 1024, ti1, bitrate);
1153 a6a92a9a Wolfram Gloger
1154 bb270c08 Diego Biurrun
        if (verbose > 1)
1155
          snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1156
                  nb_frames_dup, nb_frames_drop);
1157 115329f1 Diego Biurrun
1158 d8019eb5 Allen Day
        if (verbose >= 0)
1159
            fprintf(stderr, "%s    \r", buf);
1160
1161 ec5517d5 Fabrice Bellard
        fflush(stderr);
1162
    }
1163 115329f1 Diego Biurrun
1164 1008ceb3 Michael Niedermayer
    if (is_last_report && verbose >= 0){
1165
        int64_t raw= audio_size + video_size + extra_size;
1166 f068206e Bill Eldridge
        fprintf(stderr, "\n");
1167 1008ceb3 Michael Niedermayer
        fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1168
                video_size/1024.0,
1169
                audio_size/1024.0,
1170
                extra_size/1024.0,
1171
                100.0*(total_size - raw)/raw
1172
        );
1173
    }
1174 ce7c56c2 Juanjo
}
1175
1176 a700a6ae Fabrice Bellard
/* pkt = NULL means EOF (needed to flush decoder buffers) */
1177
static int output_packet(AVInputStream *ist, int ist_index,
1178
                         AVOutputStream **ost_table, int nb_ostreams,
1179 4b85a28f Wolfram Gloger
                         const AVPacket *pkt)
1180 a700a6ae Fabrice Bellard
{
1181
    AVFormatContext *os;
1182
    AVOutputStream *ost;
1183
    uint8_t *ptr;
1184
    int len, ret, i;
1185
    uint8_t *data_buf;
1186
    int data_size, got_picture;
1187
    AVFrame picture;
1188
    void *buffer_to_free;
1189 f038fe8b Diego Biurrun
    static unsigned int samples_size= 0;
1190 78953e62 Michael Niedermayer
    static short *samples= NULL;
1191 cf7fc795 Fabrice Bellard
    AVSubtitle subtitle, *subtitle_to_free;
1192
    int got_subtitle;
1193 115329f1 Diego Biurrun
1194 ed923859 Michael Niedermayer
    if(ist->next_pts == AV_NOPTS_VALUE)
1195
        ist->next_pts= ist->pts;
1196
1197 a700a6ae Fabrice Bellard
    if (pkt == NULL) {
1198
        /* EOF handling */
1199
        ptr = NULL;
1200
        len = 0;
1201
        goto handle_eof;
1202
    }
1203
1204 b1b818fc Michael Niedermayer
    if(pkt->dts != AV_NOPTS_VALUE)
1205
        ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1206
1207 a700a6ae Fabrice Bellard
    len = pkt->size;
1208
    ptr = pkt->data;
1209 bd6754aa Michael Niedermayer
1210
    //while we have more to decode or while the decoder did output something on EOF
1211
    while (len > 0 || (!pkt && ist->next_pts != ist->pts)) {
1212 a700a6ae Fabrice Bellard
    handle_eof:
1213 b1b818fc Michael Niedermayer
        ist->pts= ist->next_pts;
1214 19d5da50 Michael Niedermayer
1215 40cb57a2 Michael Niedermayer
        if(len && len != pkt->size && verbose>0)
1216
            fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1217
1218 a700a6ae Fabrice Bellard
        /* decode the packet if needed */
1219
        data_buf = NULL; /* fail safe */
1220
        data_size = 0;
1221 cf7fc795 Fabrice Bellard
        subtitle_to_free = NULL;
1222 a700a6ae Fabrice Bellard
        if (ist->decoding_needed) {
1223 01f4895c Michael Niedermayer
            switch(ist->st->codec->codec_type) {
1224 df84ac2e Michael Niedermayer
            case CODEC_TYPE_AUDIO:{
1225 81b060fa Loren Merritt
                if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1226
                    samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1227
                    av_free(samples);
1228
                    samples= av_malloc(samples_size);
1229
                }
1230 5d55e966 Michael Niedermayer
                data_size= samples_size;
1231 a700a6ae Fabrice Bellard
                    /* XXX: could avoid copy if PCM 16 bits with same
1232
                       endianness as CPU */
1233 5d55e966 Michael Niedermayer
                ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1234 a700a6ae Fabrice Bellard
                                           ptr, len);
1235
                if (ret < 0)
1236
                    goto fail_decode;
1237
                ptr += ret;
1238
                len -= ret;
1239
                /* Some bug in mpeg audio decoder gives */
1240
                /* data_size < 0, it seems they are overflows */
1241
                if (data_size <= 0) {
1242
                    /* no audio frame */
1243
                    continue;
1244
                }
1245
                data_buf = (uint8_t *)samples;
1246 115329f1 Diego Biurrun
                ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1247 01f4895c Michael Niedermayer
                    (ist->st->codec->sample_rate * ist->st->codec->channels);
1248 df84ac2e Michael Niedermayer
                break;}
1249 a700a6ae Fabrice Bellard
            case CODEC_TYPE_VIDEO:
1250 01f4895c Michael Niedermayer
                    data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1251 a700a6ae Fabrice Bellard
                    /* XXX: allocate picture correctly */
1252 9740beff Michael Niedermayer
                    avcodec_get_frame_defaults(&picture);
1253
1254 115329f1 Diego Biurrun
                    ret = avcodec_decode_video(ist->st->codec,
1255 a700a6ae Fabrice Bellard
                                               &picture, &got_picture, ptr, len);
1256
                    ist->st->quality= picture.quality;
1257 115329f1 Diego Biurrun
                    if (ret < 0)
1258 a700a6ae Fabrice Bellard
                        goto fail_decode;
1259
                    if (!got_picture) {
1260
                        /* no picture yet */
1261
                        goto discard_packet;
1262
                    }
1263 01f4895c Michael Niedermayer
                    if (ist->st->codec->time_base.num != 0) {
1264 115329f1 Diego Biurrun
                        ist->next_pts += ((int64_t)AV_TIME_BASE *
1265 01f4895c Michael Niedermayer
                                          ist->st->codec->time_base.num) /
1266
                            ist->st->codec->time_base.den;
1267 a700a6ae Fabrice Bellard
                    }
1268
                    len = 0;
1269
                    break;
1270 cf7fc795 Fabrice Bellard
            case CODEC_TYPE_SUBTITLE:
1271 115329f1 Diego Biurrun
                ret = avcodec_decode_subtitle(ist->st->codec,
1272 cf7fc795 Fabrice Bellard
                                              &subtitle, &got_subtitle, ptr, len);
1273
                if (ret < 0)
1274 a700a6ae Fabrice Bellard
                    goto fail_decode;
1275 cf7fc795 Fabrice Bellard
                if (!got_subtitle) {
1276
                    goto discard_packet;
1277 a700a6ae Fabrice Bellard
                }
1278 cf7fc795 Fabrice Bellard
                subtitle_to_free = &subtitle;
1279
                len = 0;
1280
                break;
1281
            default:
1282
                goto fail_decode;
1283
            }
1284
        } else {
1285 bde0705c Limin Wang
            switch(ist->st->codec->codec_type) {
1286
            case CODEC_TYPE_AUDIO:
1287
                ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1288 1c715415 Michael Niedermayer
                    ist->st->codec->sample_rate;
1289 bde0705c Limin Wang
                break;
1290
            case CODEC_TYPE_VIDEO:
1291
                if (ist->st->codec->time_base.num != 0) {
1292
                    ist->next_pts += ((int64_t)AV_TIME_BASE *
1293
                                      ist->st->codec->time_base.num) /
1294
                        ist->st->codec->time_base.den;
1295 2fef0bdf Michael Niedermayer
                }
1296 bde0705c Limin Wang
                break;
1297 a700a6ae Fabrice Bellard
            }
1298 bde0705c Limin Wang
            data_buf = ptr;
1299
            data_size = len;
1300
            ret = len;
1301
            len = 0;
1302
        }
1303 a700a6ae Fabrice Bellard
1304 bde0705c Limin Wang
        buffer_to_free = NULL;
1305
        if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1306
            pre_process_video_frame(ist, (AVPicture *)&picture,
1307
                                    &buffer_to_free);
1308
        }
1309 a700a6ae Fabrice Bellard
1310 bde0705c Limin Wang
        // preprocess audio (volume)
1311
        if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1312
            if (audio_volume != 256) {
1313
                short *volp;
1314
                volp = samples;
1315
                for(i=0;i<(data_size / sizeof(short));i++) {
1316
                    int v = ((*volp) * audio_volume + 128) >> 8;
1317
                    if (v < -32768) v = -32768;
1318
                    if (v >  32767) v = 32767;
1319
                    *volp++ = v;
1320 7e987c33 Calcium
                }
1321
            }
1322 bde0705c Limin Wang
        }
1323 7e987c33 Calcium
1324 bde0705c Limin Wang
        /* frame rate emulation */
1325 3a25ca18 Stefano Sabatini
        if (rate_emu) {
1326 cb103a19 Stefano Sabatini
            int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1327 bde0705c Limin Wang
            int64_t now = av_gettime() - ist->start;
1328
            if (pts > now)
1329
                usleep(pts - now);
1330
        }
1331 a700a6ae Fabrice Bellard
1332 bde0705c Limin Wang
        /* if output time reached then transcode raw format,
1333
           encode packets and output them */
1334
        if (start_time == 0 || ist->pts >= start_time)
1335
            for(i=0;i<nb_ostreams;i++) {
1336
                int frame_size;
1337 a700a6ae Fabrice Bellard
1338 bde0705c Limin Wang
                ost = ost_table[i];
1339
                if (ost->source_index == ist_index) {
1340
                    os = output_files[ost->file_index];
1341 a700a6ae Fabrice Bellard
1342
#if 0
1343 bde0705c Limin Wang
                    printf("%d: got pts=%0.3f %0.3f\n", i,
1344
                           (double)pkt->pts / AV_TIME_BASE,
1345
                           ((double)ist->pts / AV_TIME_BASE) -
1346
                           ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1347 a700a6ae Fabrice Bellard
#endif
1348 bde0705c Limin Wang
                    /* set the input output pts pairs */
1349
                    //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1350
1351
                    if (ost->encoding_needed) {
1352
                        switch(ost->st->codec->codec_type) {
1353
                        case CODEC_TYPE_AUDIO:
1354
                            do_audio_out(os, ost, ist, data_buf, data_size);
1355
                            break;
1356
                        case CODEC_TYPE_VIDEO:
1357
                            do_video_out(os, ost, ist, &picture, &frame_size);
1358 b60d1379 Stefano Sabatini
                            if (vstats_filename && frame_size)
1359 bde0705c Limin Wang
                                do_video_stats(os, ost, frame_size);
1360
                            break;
1361
                        case CODEC_TYPE_SUBTITLE:
1362
                            do_subtitle_out(os, ost, ist, &subtitle,
1363
                                            pkt->pts);
1364
                            break;
1365
                        default:
1366 0f4e8165 Ronald S. Bultje
                            abort();
1367 bde0705c Limin Wang
                        }
1368
                    } else {
1369
                        AVFrame avframe; //FIXME/XXX remove this
1370
                        AVPacket opkt;
1371
                        av_init_packet(&opkt);
1372
1373 50e3477f Wolfram Gloger
                        if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1374 7cacf1e8 Michael Niedermayer
                            continue;
1375
1376 bde0705c Limin Wang
                        /* no reencoding needed : output the packet directly */
1377
                        /* force the input stream PTS */
1378
1379
                        avcodec_get_frame_defaults(&avframe);
1380
                        ost->st->codec->coded_frame= &avframe;
1381
                        avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1382
1383
                        if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1384
                            audio_size += data_size;
1385
                        else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1386
                            video_size += data_size;
1387
                            ost->sync_opts++;
1388
                        }
1389
1390
                        opkt.stream_index= ost->index;
1391
                        if(pkt->pts != AV_NOPTS_VALUE)
1392 fec401f7 Michael Niedermayer
                            opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1393 bde0705c Limin Wang
                        else
1394
                            opkt.pts= AV_NOPTS_VALUE;
1395
1396 d2ce2f5e Baptiste Coudurier
                        if (pkt->dts == AV_NOPTS_VALUE)
1397 181782ae Michael Niedermayer
                            opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1398 d2ce2f5e Baptiste Coudurier
                        else
1399
                            opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1400 c0dd7b7c Michael Niedermayer
1401 a03d59b7 Aurelien Jacobs
                        opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1402 bde0705c Limin Wang
                        opkt.flags= pkt->flags;
1403
1404
                        //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1405
                        if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1406
                            opkt.destruct= av_destruct_packet;
1407
1408 8b389f15 Andreas Öman
                        write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1409 bde0705c Limin Wang
                        ost->st->codec->frame_number++;
1410
                        ost->frame_number++;
1411
                        av_free_packet(&opkt);
1412 a700a6ae Fabrice Bellard
                    }
1413
                }
1414 bde0705c Limin Wang
            }
1415
        av_free(buffer_to_free);
1416
        /* XXX: allocate the subtitles in the codec ? */
1417
        if (subtitle_to_free) {
1418
            if (subtitle_to_free->rects != NULL) {
1419
                for (i = 0; i < subtitle_to_free->num_rects; i++) {
1420 25b4c651 Michael Niedermayer
                    av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1421
                    av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1422 db4fac64 Michael Niedermayer
                    av_freep(&subtitle_to_free->rects[i]);
1423 c6ec28b1 Michael Niedermayer
                }
1424 bde0705c Limin Wang
                av_freep(&subtitle_to_free->rects);
1425 cf7fc795 Fabrice Bellard
            }
1426 bde0705c Limin Wang
            subtitle_to_free->num_rects = 0;
1427
            subtitle_to_free = NULL;
1428 a700a6ae Fabrice Bellard
        }
1429 bde0705c Limin Wang
    }
1430 a700a6ae Fabrice Bellard
 discard_packet:
1431 6f824977 Michael Niedermayer
    if (pkt == NULL) {
1432
        /* EOF handling */
1433 115329f1 Diego Biurrun
1434 6f824977 Michael Niedermayer
        for(i=0;i<nb_ostreams;i++) {
1435
            ost = ost_table[i];
1436
            if (ost->source_index == ist_index) {
1437 01f4895c Michael Niedermayer
                AVCodecContext *enc= ost->st->codec;
1438 6f824977 Michael Niedermayer
                os = output_files[ost->file_index];
1439 115329f1 Diego Biurrun
1440 01f4895c Michael Niedermayer
                if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1441 6f824977 Michael Niedermayer
                    continue;
1442 01f4895c Michael Niedermayer
                if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1443 6f824977 Michael Niedermayer
                    continue;
1444
1445
                if (ost->encoding_needed) {
1446
                    for(;;) {
1447
                        AVPacket pkt;
1448 cef7cc72 Justin Ruggles
                        int fifo_bytes;
1449 6f824977 Michael Niedermayer
                        av_init_packet(&pkt);
1450
                        pkt.stream_index= ost->index;
1451 115329f1 Diego Biurrun
1452 01f4895c Michael Niedermayer
                        switch(ost->st->codec->codec_type) {
1453 115329f1 Diego Biurrun
                        case CODEC_TYPE_AUDIO:
1454 f5a478f6 Roman Shaposhnik
                            fifo_bytes = av_fifo_size(&ost->fifo);
1455 cef7cc72 Justin Ruggles
                            ret = 0;
1456
                            /* encode any samples remaining in fifo */
1457
                            if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1458
                                int fs_tmp = enc->frame_size;
1459
                                enc->frame_size = fifo_bytes / (2 * enc->channels);
1460 0871ae1a Michael Niedermayer
                                av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes);
1461 cef7cc72 Justin Ruggles
                                    ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1462
                                enc->frame_size = fs_tmp;
1463 9e0db7d5 Michael Niedermayer
                            }
1464
                            if(ret <= 0) {
1465 cef7cc72 Justin Ruggles
                                ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1466
                            }
1467 528271ff Michael Niedermayer
                            if (ret < 0) {
1468
                                fprintf(stderr, "Audio encoding failed\n");
1469
                                av_exit(1);
1470
                            }
1471 6f824977 Michael Niedermayer
                            audio_size += ret;
1472
                            pkt.flags |= PKT_FLAG_KEY;
1473
                            break;
1474
                        case CODEC_TYPE_VIDEO:
1475 8a6cb114 Michael Niedermayer
                            ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1476 528271ff Michael Niedermayer
                            if (ret < 0) {
1477
                                fprintf(stderr, "Video encoding failed\n");
1478
                                av_exit(1);
1479
                            }
1480 6f824977 Michael Niedermayer
                            video_size += ret;
1481
                            if(enc->coded_frame && enc->coded_frame->key_frame)
1482
                                pkt.flags |= PKT_FLAG_KEY;
1483
                            if (ost->logfile && enc->stats_out) {
1484
                                fprintf(ost->logfile, "%s", enc->stats_out);
1485
                            }
1486
                            break;
1487
                        default:
1488
                            ret=-1;
1489
                        }
1490 115329f1 Diego Biurrun
1491 6f824977 Michael Niedermayer
                        if(ret<=0)
1492
                            break;
1493 27537106 Michael Niedermayer
                        pkt.data= bit_buffer;
1494 6f824977 Michael Niedermayer
                        pkt.size= ret;
1495 e7902f20 Michael Niedermayer
                        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1496 c0df9d75 Michael Niedermayer
                            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1497 748c2fca Michael Niedermayer
                        write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1498 6f824977 Michael Niedermayer
                    }
1499
                }
1500
            }
1501
        }
1502
    }
1503 115329f1 Diego Biurrun
1504 a700a6ae Fabrice Bellard
    return 0;
1505
 fail_decode:
1506
    return -1;
1507
}
1508
1509 6d1ba1ac Luca Abeni
static void print_sdp(AVFormatContext **avc, int n)
1510
{
1511
    char sdp[2048];
1512
1513
    avf_sdp_create(avc, n, sdp, sizeof(sdp));
1514
    printf("SDP:\n%s\n", sdp);
1515 536cd1db Luca Barbato
    fflush(stdout);
1516 6d1ba1ac Luca Abeni
}
1517 a700a6ae Fabrice Bellard
1518 50e143c4 Nico Sabbi
static int stream_index_from_inputs(AVFormatContext **input_files,
1519
                                    int nb_input_files,
1520
                                    AVInputFile *file_table,
1521
                                    AVInputStream **ist_table,
1522
                                    enum CodecType type,
1523
                                    int programid)
1524
{
1525 c1a4cdf9 Nico Sabbi
    int p, q, z;
1526 50e143c4 Nico Sabbi
    for(z=0; z<nb_input_files; z++) {
1527
        AVFormatContext *ic = input_files[z];
1528
        for(p=0; p<ic->nb_programs; p++) {
1529
            AVProgram *program = ic->programs[p];
1530
            if(program->id != programid)
1531
                continue;
1532
            for(q=0; q<program->nb_stream_indexes; q++) {
1533
                int sidx = program->stream_index[q];
1534
                int ris = file_table[z].ist_index + sidx;
1535
                if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1536
                    return ris;
1537
            }
1538
        }
1539
    }
1540
1541
    return -1;
1542
}
1543
1544 85f07f22 Fabrice Bellard
/*
1545
 * The following code is the main loop of the file converter
1546
 */
1547
static int av_encode(AVFormatContext **output_files,
1548
                     int nb_output_files,
1549
                     AVFormatContext **input_files,
1550
                     int nb_input_files,
1551
                     AVStreamMap *stream_maps, int nb_stream_maps)
1552
{
1553 445f1b83 Roman Shaposhnik
    int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1554 85f07f22 Fabrice Bellard
    AVFormatContext *is, *os;
1555
    AVCodecContext *codec, *icodec;
1556
    AVOutputStream *ost, **ost_table = NULL;
1557
    AVInputStream *ist, **ist_table = NULL;
1558 bdc4796f Fabrice Bellard
    AVInputFile *file_table;
1559 cb09b2ed Philip Gladstone
    int key;
1560 6d1ba1ac Luca Abeni
    int want_sdp = 1;
1561 bdc4796f Fabrice Bellard
1562 90901860 Michael Niedermayer
    file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1563 bdc4796f Fabrice Bellard
    if (!file_table)
1564
        goto fail;
1565 115329f1 Diego Biurrun
1566 85f07f22 Fabrice Bellard
    /* input stream init */
1567
    j = 0;
1568
    for(i=0;i<nb_input_files;i++) {
1569
        is = input_files[i];
1570
        file_table[i].ist_index = j;
1571 79fdaa4c Fabrice Bellard
        file_table[i].nb_streams = is->nb_streams;
1572 85f07f22 Fabrice Bellard
        j += is->nb_streams;
1573
    }
1574
    nb_istreams = j;
1575
1576
    ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1577
    if (!ist_table)
1578 bdc4796f Fabrice Bellard
        goto fail;
1579 115329f1 Diego Biurrun
1580 85f07f22 Fabrice Bellard
    for(i=0;i<nb_istreams;i++) {
1581
        ist = av_mallocz(sizeof(AVInputStream));
1582
        if (!ist)
1583
            goto fail;
1584
        ist_table[i] = ist;
1585
    }
1586
    j = 0;
1587
    for(i=0;i<nb_input_files;i++) {
1588
        is = input_files[i];
1589
        for(k=0;k<is->nb_streams;k++) {
1590
            ist = ist_table[j++];
1591
            ist->st = is->streams[k];
1592
            ist->file_index = i;
1593
            ist->index = k;
1594
            ist->discard = 1; /* the stream is discarded by default
1595
                                 (changed later) */
1596 bdfcbbed Max Krasnyansky
1597 3a25ca18 Stefano Sabatini
            if (rate_emu) {
1598 bdfcbbed Max Krasnyansky
                ist->start = av_gettime();
1599
            }
1600 85f07f22 Fabrice Bellard
        }
1601
    }
1602
1603
    /* output stream init */
1604
    nb_ostreams = 0;
1605
    for(i=0;i<nb_output_files;i++) {
1606
        os = output_files[i];
1607 8a7bde1c Baptiste Coudurier
        if (!os->nb_streams) {
1608 fc5d0db5 Stefano Sabatini
            dump_format(output_files[i], i, output_files[i]->filename, 1);
1609
            fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1610 296df4e7 Ramiro Polla
            av_exit(1);
1611 8a7bde1c Baptiste Coudurier
        }
1612 85f07f22 Fabrice Bellard
        nb_ostreams += os->nb_streams;
1613
    }
1614
    if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1615
        fprintf(stderr, "Number of stream maps must match number of output streams\n");
1616 296df4e7 Ramiro Polla
        av_exit(1);
1617 85f07f22 Fabrice Bellard
    }
1618
1619 bd073980 Brian Foley
    /* Sanity check the mapping args -- do the input files & streams exist? */
1620
    for(i=0;i<nb_stream_maps;i++) {
1621
        int fi = stream_maps[i].file_index;
1622
        int si = stream_maps[i].stream_index;
1623 115329f1 Diego Biurrun
1624 bd073980 Brian Foley
        if (fi < 0 || fi > nb_input_files - 1 ||
1625
            si < 0 || si > file_table[fi].nb_streams - 1) {
1626
            fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1627 296df4e7 Ramiro Polla
            av_exit(1);
1628 bd073980 Brian Foley
        }
1629 b4a3389e Wolfram Gloger
        fi = stream_maps[i].sync_file_index;
1630
        si = stream_maps[i].sync_stream_index;
1631
        if (fi < 0 || fi > nb_input_files - 1 ||
1632
            si < 0 || si > file_table[fi].nb_streams - 1) {
1633
            fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1634 296df4e7 Ramiro Polla
            av_exit(1);
1635 b4a3389e Wolfram Gloger
        }
1636 bd073980 Brian Foley
    }
1637 115329f1 Diego Biurrun
1638 85f07f22 Fabrice Bellard
    ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1639
    if (!ost_table)
1640
        goto fail;
1641
    for(i=0;i<nb_ostreams;i++) {
1642
        ost = av_mallocz(sizeof(AVOutputStream));
1643
        if (!ost)
1644
            goto fail;
1645
        ost_table[i] = ost;
1646
    }
1647 115329f1 Diego Biurrun
1648 85f07f22 Fabrice Bellard
    n = 0;
1649
    for(k=0;k<nb_output_files;k++) {
1650
        os = output_files[k];
1651 de427ff4 Stefano Sabatini
        for(i=0;i<os->nb_streams;i++,n++) {
1652 85f07f22 Fabrice Bellard
            int found;
1653 de427ff4 Stefano Sabatini
            ost = ost_table[n];
1654 85f07f22 Fabrice Bellard
            ost->file_index = k;
1655
            ost->index = i;
1656
            ost->st = os->streams[i];
1657
            if (nb_stream_maps > 0) {
1658 de427ff4 Stefano Sabatini
                ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1659
                    stream_maps[n].stream_index;
1660 115329f1 Diego Biurrun
1661 bd073980 Brian Foley
                /* Sanity check that the stream types match */
1662 01f4895c Michael Niedermayer
                if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1663 150d5a25 Stefano Sabatini
                    int i= ost->file_index;
1664
                    dump_format(output_files[i], i, output_files[i]->filename, 1);
1665 bd073980 Brian Foley
                    fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1666 de427ff4 Stefano Sabatini
                        stream_maps[n].file_index, stream_maps[n].stream_index,
1667 bd073980 Brian Foley
                        ost->file_index, ost->index);
1668 296df4e7 Ramiro Polla
                    av_exit(1);
1669 bd073980 Brian Foley
                }
1670 115329f1 Diego Biurrun
1671 85f07f22 Fabrice Bellard
            } else {
1672 50e143c4 Nico Sabbi
                if(opt_programid) {
1673
                    found = 0;
1674
                    j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1675
                    if(j != -1) {
1676
                        ost->source_index = j;
1677
                        found = 1;
1678
                    }
1679
                } else {
1680 a15bc651 Nico Sabbi
                    /* get corresponding input stream index : we select the first one with the right type */
1681
                    found = 0;
1682 85f07f22 Fabrice Bellard
                    for(j=0;j<nb_istreams;j++) {
1683
                        ist = ist_table[j];
1684 a15bc651 Nico Sabbi
                        if (ist->discard &&
1685
                            ist->st->codec->codec_type == ost->st->codec->codec_type) {
1686 85f07f22 Fabrice Bellard
                            ost->source_index = j;
1687
                            found = 1;
1688 a15bc651 Nico Sabbi
                            break;
1689 85f07f22 Fabrice Bellard
                        }
1690
                    }
1691 a15bc651 Nico Sabbi
                }
1692
1693
                if (!found) {
1694
                    if(! opt_programid) {
1695
                        /* try again and reuse existing stream */
1696
                        for(j=0;j<nb_istreams;j++) {
1697
                            ist = ist_table[j];
1698
                            if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1699
                                ost->source_index = j;
1700
                                found = 1;
1701
                            }
1702
                        }
1703 50e143c4 Nico Sabbi
                    }
1704 85f07f22 Fabrice Bellard
                    if (!found) {
1705 462cca10 Stefano Sabatini
                        int i= ost->file_index;
1706
                        dump_format(output_files[i], i, output_files[i]->filename, 1);
1707 85f07f22 Fabrice Bellard
                        fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1708
                                ost->file_index, ost->index);
1709 296df4e7 Ramiro Polla
                        av_exit(1);
1710 85f07f22 Fabrice Bellard
                    }
1711
                }
1712
            }
1713
            ist = ist_table[ost->source_index];
1714
            ist->discard = 0;
1715 b4a3389e Wolfram Gloger
            ost->sync_ist = (nb_stream_maps > 0) ?
1716 de427ff4 Stefano Sabatini
                ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1717
                         stream_maps[n].sync_stream_index] : ist;
1718 85f07f22 Fabrice Bellard
        }
1719
    }
1720
1721
    /* for each output stream, we compute the right encoding parameters */
1722
    for(i=0;i<nb_ostreams;i++) {
1723
        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 8e0d882b Aurelien Jacobs
        if (!ost->st->language[0])
1731
            av_strlcpy(ost->st->language, ist->st->language,
1732
                       sizeof(ost->st->language));
1733
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 4408e75e Michael Niedermayer
            if(av_q2d(icodec->time_base) > 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
            else
1754
                codec->time_base = ist->st->time_base;
1755 1629626f Fabrice Bellard
            switch(codec->codec_type) {
1756
            case CODEC_TYPE_AUDIO:
1757 d08e3e91 Ramiro Polla
                if(audio_volume != 256) {
1758
                    fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1759
                    av_exit(1);
1760
                }
1761 13367a46 Benjamin Larsson
                codec->channel_layout = icodec->channel_layout;
1762 1629626f Fabrice Bellard
                codec->sample_rate = icodec->sample_rate;
1763
                codec->channels = icodec->channels;
1764 0a3b0447 Michael Niedermayer
                codec->frame_size = icodec->frame_size;
1765 c1344911 Michael Niedermayer
                codec->block_align= icodec->block_align;
1766 4efd6f58 Michael Niedermayer
                if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1767
                    codec->block_align= 0;
1768 bcbd328e Michael Niedermayer
                if(codec->codec_id == CODEC_ID_AC3)
1769
                    codec->block_align= 0;
1770 1629626f Fabrice Bellard
                break;
1771
            case CODEC_TYPE_VIDEO:
1772 8d74e55b Matthijs Douze
                if(using_vhook) {
1773
                    fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1774 296df4e7 Ramiro Polla
                    av_exit(1);
1775 8d74e55b Matthijs Douze
                }
1776 9df3437f Baptiste Coudurier
                codec->pix_fmt = icodec->pix_fmt;
1777 1629626f Fabrice Bellard
                codec->width = icodec->width;
1778
                codec->height = icodec->height;
1779 ff8cc24b Michael Niedermayer
                codec->has_b_frames = icodec->has_b_frames;
1780 1629626f Fabrice Bellard
                break;
1781 cf7fc795 Fabrice Bellard
            case CODEC_TYPE_SUBTITLE:
1782 d43b26ea David Conrad
                codec->width = icodec->width;
1783
                codec->height = icodec->height;
1784 cf7fc795 Fabrice Bellard
                break;
1785 1629626f Fabrice Bellard
            default:
1786 0f4e8165 Ronald S. Bultje
                abort();
1787 1629626f Fabrice Bellard
            }
1788
        } else {
1789
            switch(codec->codec_type) {
1790
            case CODEC_TYPE_AUDIO:
1791 10e7fc7c Michael Niedermayer
                if (av_fifo_init(&ost->fifo, 1024))
1792 85f07f22 Fabrice Bellard
                    goto fail;
1793 a79db0f7 Peter Ross
                ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1794 2886f311 Andreas Öman
                ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1795
                icodec->request_channels = codec->channels;
1796 85f07f22 Fabrice Bellard
                ist->decoding_needed = 1;
1797
                ost->encoding_needed = 1;
1798 1629626f Fabrice Bellard
                break;
1799
            case CODEC_TYPE_VIDEO:
1800 c3f11d19 Luca Abeni
                ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1801
                ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1802
                ost->video_resample = ((codec->width != icodec->width -
1803
                                (frame_leftBand + frame_rightBand) +
1804
                                (frame_padleft + frame_padright)) ||
1805
                        (codec->height != icodec->height -
1806
                                (frame_topBand  + frame_bottomBand) +
1807 18a54b04 Luca Abeni
                                (frame_padtop + frame_padbottom)) ||
1808
                        (codec->pix_fmt != icodec->pix_fmt));
1809 c3f11d19 Luca Abeni
                if (ost->video_crop) {
1810 34b10a57 Dieter
                    ost->topBand = frame_topBand;
1811
                    ost->leftBand = frame_leftBand;
1812 c3f11d19 Luca Abeni
                }
1813
                if (ost->video_pad) {
1814 1ff93ffc Todd Kirby
                    ost->padtop = frame_padtop;
1815
                    ost->padleft = frame_padleft;
1816
                    ost->padbottom = frame_padbottom;
1817
                    ost->padright = frame_padright;
1818 c3f11d19 Luca Abeni
                    if (!ost->video_resample) {
1819
                        avcodec_get_frame_defaults(&ost->pict_tmp);
1820 9d58e0a9 Baptiste Coudurier
                        if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1821
                                         codec->width, codec->height))
1822 c3f11d19 Luca Abeni
                            goto fail;
1823
                    }
1824
                }
1825
                if (ost->video_resample) {
1826 2de28abb Michael Niedermayer
                    avcodec_get_frame_defaults(&ost->pict_tmp);
1827 9d58e0a9 Baptiste Coudurier
                    if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1828
                                         codec->width, codec->height)) {
1829 eddc482d Baptiste Coudurier
                        fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1830 296df4e7 Ramiro Polla
                        av_exit(1);
1831 eddc482d Baptiste Coudurier
                    }
1832 9de8e6ac Ronald S. Bultje
                    sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1833 18a54b04 Luca Abeni
                    ost->img_resample_ctx = sws_getContext(
1834
                            icodec->width - (frame_leftBand + frame_rightBand),
1835
                            icodec->height - (frame_topBand + frame_bottomBand),
1836
                            icodec->pix_fmt,
1837 07d0cdfc Luca Abeni
                            codec->width - (frame_padleft + frame_padright),
1838
                            codec->height - (frame_padtop + frame_padbottom),
1839 18a54b04 Luca Abeni
                            codec->pix_fmt,
1840
                            sws_flags, NULL, NULL, NULL);
1841 0b50ac8a Luca Abeni
                    if (ost->img_resample_ctx == NULL) {
1842
                        fprintf(stderr, "Cannot get resampling context\n");
1843 296df4e7 Ramiro Polla
                        av_exit(1);
1844 0b50ac8a Luca Abeni
                    }
1845 18a54b04 Luca Abeni
                    ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1846 85f07f22 Fabrice Bellard
                }
1847
                ost->encoding_needed = 1;
1848
                ist->decoding_needed = 1;
1849 1629626f Fabrice Bellard
                break;
1850 cf7fc795 Fabrice Bellard
            case CODEC_TYPE_SUBTITLE:
1851
                ost->encoding_needed = 1;
1852
                ist->decoding_needed = 1;
1853
                break;
1854 1629626f Fabrice Bellard
            default:
1855 0f4e8165 Ronald S. Bultje
                abort();
1856 cf7fc795 Fabrice Bellard
                break;
1857 85f07f22 Fabrice Bellard
            }
1858 1629626f Fabrice Bellard
            /* two pass mode */
1859 115329f1 Diego Biurrun
            if (ost->encoding_needed &&
1860 1629626f Fabrice Bellard
                (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1861
                char logfilename[1024];
1862
                FILE *f;
1863
                int size;
1864
                char *logbuffer;
1865 115329f1 Diego Biurrun
1866
                snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1867 22730e87 Stefano Sabatini
                         pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1868
                         i);
1869 1629626f Fabrice Bellard
                if (codec->flags & CODEC_FLAG_PASS1) {
1870
                    f = fopen(logfilename, "w");
1871
                    if (!f) {
1872 42d1d06e Stefano Sabatini
                        fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1873 296df4e7 Ramiro Polla
                        av_exit(1);
1874 1629626f Fabrice Bellard
                    }
1875
                    ost->logfile = f;
1876
                } else {
1877
                    /* read the log file */
1878
                    f = fopen(logfilename, "r");
1879
                    if (!f) {
1880 42d1d06e Stefano Sabatini
                        fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1881 296df4e7 Ramiro Polla
                        av_exit(1);
1882 1629626f Fabrice Bellard
                    }
1883
                    fseek(f, 0, SEEK_END);
1884
                    size = ftell(f);
1885
                    fseek(f, 0, SEEK_SET);
1886
                    logbuffer = av_malloc(size + 1);
1887
                    if (!logbuffer) {
1888
                        fprintf(stderr, "Could not allocate log buffer\n");
1889 296df4e7 Ramiro Polla
                        av_exit(1);
1890 1629626f Fabrice Bellard
                    }
1891 4776fa92 Gael Chardon
                    size = fread(logbuffer, 1, size, f);
1892 1629626f Fabrice Bellard
                    fclose(f);
1893
                    logbuffer[size] = '\0';
1894
                    codec->stats_in = logbuffer;
1895 5abdb4b1 Fabrice Bellard
                }
1896
            }
1897
        }
1898 8a6cb114 Michael Niedermayer
        if(codec->codec_type == CODEC_TYPE_VIDEO){
1899
            int size= codec->width * codec->height;
1900
            bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1901
        }
1902 85f07f22 Fabrice Bellard
    }
1903
1904 8a6cb114 Michael Niedermayer
    if (!bit_buffer)
1905
        bit_buffer = av_malloc(bit_buffer_size);
1906
    if (!bit_buffer)
1907
        goto fail;
1908
1909 1629626f Fabrice Bellard
    /* dump the file output parameters - cannot be done before in case
1910
       of stream copy */
1911
    for(i=0;i<nb_output_files;i++) {
1912
        dump_format(output_files[i], i, output_files[i]->filename, 1);
1913
    }
1914
1915
    /* dump the stream mapping */
1916 d8019eb5 Allen Day
    if (verbose >= 0) {
1917
        fprintf(stderr, "Stream mapping:\n");
1918
        for(i=0;i<nb_ostreams;i++) {
1919
            ost = ost_table[i];
1920 b4a3389e Wolfram Gloger
            fprintf(stderr, "  Stream #%d.%d -> #%d.%d",
1921 d8019eb5 Allen Day
                    ist_table[ost->source_index]->file_index,
1922
                    ist_table[ost->source_index]->index,
1923 115329f1 Diego Biurrun
                    ost->file_index,
1924 d8019eb5 Allen Day
                    ost->index);
1925 b4a3389e Wolfram Gloger
            if (ost->sync_ist != ist_table[ost->source_index])
1926
                fprintf(stderr, " [sync #%d.%d]",
1927
                        ost->sync_ist->file_index,
1928
                        ost->sync_ist->index);
1929
            fprintf(stderr, "\n");
1930 d8019eb5 Allen Day
        }
1931 1629626f Fabrice Bellard
    }
1932
1933 85f07f22 Fabrice Bellard
    /* open each encoder */
1934
    for(i=0;i<nb_ostreams;i++) {
1935
        ost = ost_table[i];
1936
        if (ost->encoding_needed) {
1937 6488cf9b Aurelien Jacobs
            AVCodec *codec = output_codecs[i];
1938
            if (!codec)
1939 fd2b356a Aurelien Jacobs
                codec = avcodec_find_encoder(ost->st->codec->codec_id);
1940 85f07f22 Fabrice Bellard
            if (!codec) {
1941 115329f1 Diego Biurrun
                fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1942 85f07f22 Fabrice Bellard
                        ost->file_index, ost->index);
1943 296df4e7 Ramiro Polla
                av_exit(1);
1944 85f07f22 Fabrice Bellard
            }
1945 01f4895c Michael Niedermayer
            if (avcodec_open(ost->st->codec, codec) < 0) {
1946 115329f1 Diego Biurrun
                fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1947 85f07f22 Fabrice Bellard
                        ost->file_index, ost->index);
1948 296df4e7 Ramiro Polla
                av_exit(1);
1949 85f07f22 Fabrice Bellard
            }
1950 01f4895c Michael Niedermayer
            extra_size += ost->st->codec->extradata_size;
1951 85f07f22 Fabrice Bellard
        }
1952
    }
1953
1954
    /* open each decoder */
1955
    for(i=0;i<nb_istreams;i++) {
1956
        ist = ist_table[i];
1957
        if (ist->decoding_needed) {
1958 6488cf9b Aurelien Jacobs
            AVCodec *codec = input_codecs[i];
1959
            if (!codec)
1960 fd2b356a Aurelien Jacobs
                codec = avcodec_find_decoder(ist->st->codec->codec_id);
1961 85f07f22 Fabrice Bellard
            if (!codec) {
1962 115329f1 Diego Biurrun
                fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1963 01f4895c Michael Niedermayer
                        ist->st->codec->codec_id, ist->file_index, ist->index);
1964 296df4e7 Ramiro Polla
                av_exit(1);
1965 85f07f22 Fabrice Bellard
            }
1966 01f4895c Michael Niedermayer
            if (avcodec_open(ist->st->codec, codec) < 0) {
1967 115329f1 Diego Biurrun
                fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1968 85f07f22 Fabrice Bellard
                        ist->file_index, ist->index);
1969 296df4e7 Ramiro Polla
                av_exit(1);
1970 85f07f22 Fabrice Bellard
            }
1971 01f4895c Michael Niedermayer
            //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1972
            //    ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1973 85f07f22 Fabrice Bellard
        }
1974
    }
1975
1976
    /* init pts */
1977
    for(i=0;i<nb_istreams;i++) {
1978
        ist = ist_table[i];
1979 bb270c08 Diego Biurrun
        is = input_files[ist->file_index];
1980 e7d0374f Roman Shaposhnik
        ist->pts = 0;
1981 48291040 Michael Niedermayer
        ist->next_pts = AV_NOPTS_VALUE;
1982 ff4905a5 Michael Niedermayer
        ist->is_start = 1;
1983 85f07f22 Fabrice Bellard
    }
1984 bd1b79a1 Michael Niedermayer
1985 0a38bafd Patrice Bensoussan
    /* set meta data information from input file if required */
1986
    for (i=0;i<nb_meta_data_maps;i++) {
1987
        AVFormatContext *out_file;
1988
        AVFormatContext *in_file;
1989
1990
        int out_file_index = meta_data_maps[i].out_file;
1991
        int in_file_index = meta_data_maps[i].in_file;
1992 9d58e0a9 Baptiste Coudurier
        if (out_file_index < 0 || out_file_index >= nb_output_files) {
1993 0a38bafd Patrice Bensoussan
            fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1994 8fa36ae0 François Revol
            ret = AVERROR(EINVAL);
1995 0a38bafd Patrice Bensoussan
            goto fail;
1996
        }
1997 9d58e0a9 Baptiste Coudurier
        if (in_file_index < 0 || in_file_index >= nb_input_files) {
1998 0a38bafd Patrice Bensoussan
            fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1999 8fa36ae0 François Revol
            ret = AVERROR(EINVAL);
2000 0a38bafd Patrice Bensoussan
            goto fail;
2001 115329f1 Diego Biurrun
        }
2002
2003 0a38bafd Patrice Bensoussan
        out_file = output_files[out_file_index];
2004
        in_file = input_files[in_file_index];
2005
2006
        strcpy(out_file->title, in_file->title);
2007
        strcpy(out_file->author, in_file->author);
2008
        strcpy(out_file->copyright, in_file->copyright);
2009
        strcpy(out_file->comment, in_file->comment);
2010
        strcpy(out_file->album, in_file->album);
2011
        out_file->year = in_file->year;
2012
        out_file->track = in_file->track;
2013
        strcpy(out_file->genre, in_file->genre);
2014
    }
2015 115329f1 Diego Biurrun
2016 85f07f22 Fabrice Bellard
    /* open files and write file headers */
2017
    for(i=0;i<nb_output_files;i++) {
2018
        os = output_files[i];
2019 79fdaa4c Fabrice Bellard
        if (av_write_header(os) < 0) {
2020 65bf3c53 Michael Niedermayer
            fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
2021 8fa36ae0 François Revol
            ret = AVERROR(EINVAL);
2022 a38469e1 Fabrice Bellard
            goto fail;
2023
        }
2024 6d1ba1ac Luca Abeni
        if (strcmp(output_files[i]->oformat->name, "rtp")) {
2025
            want_sdp = 0;
2026
        }
2027
    }
2028
    if (want_sdp) {
2029
        print_sdp(output_files, nb_output_files);
2030 85f07f22 Fabrice Bellard
    }
2031
2032 9d58e0a9 Baptiste Coudurier
    if (!using_stdin && verbose >= 0) {
2033 d9a916e2 Charles Yates
        fprintf(stderr, "Press [q] to stop encoding\n");
2034 b51469a0 Leon van Stuivenberg
        url_set_interrupt_cb(decode_interrupt_cb);
2035
    }
2036 a38469e1 Fabrice Bellard
    term_init();
2037
2038 cb09b2ed Philip Gladstone
    key = -1;
2039 7fc98937 Limin Wang
    timer_start = av_gettime();
2040 51bd4565 Philip Gladstone
2041 d9a916e2 Charles Yates
    for(; received_sigterm == 0;) {
2042 85f07f22 Fabrice Bellard
        int file_index, ist_index;
2043
        AVPacket pkt;
2044 a9aeda81 Patrice Bensoussan
        double ipts_min;
2045
        double opts_min;
2046 23ffe323 Michael Niedermayer
2047 85f07f22 Fabrice Bellard
    redo:
2048 a9aeda81 Patrice Bensoussan
        ipts_min= 1e100;
2049
        opts_min= 1e100;
2050 a38469e1 Fabrice Bellard
        /* if 'q' pressed, exits */
2051 d9a916e2 Charles Yates
        if (!using_stdin) {
2052 b51469a0 Leon van Stuivenberg
            if (q_pressed)
2053
                break;
2054 cb09b2ed Philip Gladstone
            /* read_key() returns 0 on EOF */
2055
            key = read_key();
2056
            if (key == 'q')
2057
                break;
2058
        }
2059 a38469e1 Fabrice Bellard
2060 ec5517d5 Fabrice Bellard
        /* select the stream that we must read now by looking at the
2061
           smallest output pts */
2062 85f07f22 Fabrice Bellard
        file_index = -1;
2063 ec5517d5 Fabrice Bellard
        for(i=0;i<nb_ostreams;i++) {
2064 23ffe323 Michael Niedermayer
            double ipts, opts;
2065 ec5517d5 Fabrice Bellard
            ost = ost_table[i];
2066
            os = output_files[ost->file_index];
2067
            ist = ist_table[ost->source_index];
2068 01f4895c Michael Niedermayer
            if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2069
                opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2070 23ffe323 Michael Niedermayer
            else
2071 c0df9d75 Michael Niedermayer
                opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2072 23ffe323 Michael Niedermayer
            ipts = (double)ist->pts;
2073
            if (!file_table[ist->file_index].eof_reached){
2074
                if(ipts < ipts_min) {
2075
                    ipts_min = ipts;
2076
                    if(input_sync ) file_index = ist->file_index;
2077
                }
2078
                if(opts < opts_min) {
2079
                    opts_min = opts;
2080
                    if(!input_sync) file_index = ist->file_index;
2081
                }
2082 85f07f22 Fabrice Bellard
            }
2083 01f4895c Michael Niedermayer
            if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2084 7ca60994 Michael Niedermayer
                file_index= -1;
2085
                break;
2086
            }
2087 85f07f22 Fabrice Bellard
        }
2088
        /* if none, if is finished */
2089 51bd4565 Philip Gladstone
        if (file_index < 0) {
2090 85f07f22 Fabrice Bellard
            break;
2091 ec5517d5 Fabrice Bellard
        }
2092
2093 85f07f22 Fabrice Bellard
        /* finish if recording time exhausted */
2094 fc7ad2af Stefano Sabatini
        if (opts_min >= (recording_time / 1000000.0))
2095 85f07f22 Fabrice Bellard
            break;
2096 ec5517d5 Fabrice Bellard
2097 b6e16b86 Calcium
        /* finish if limit size exhausted */
2098 899681cd Björn Axelsson
        if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2099 b6e16b86 Calcium
            break;
2100
2101 254abc2e Fabrice Bellard
        /* read a frame from it and output it in the fifo */
2102 85f07f22 Fabrice Bellard
        is = input_files[file_index];
2103 ad51c68c Michael Niedermayer
        ret= av_read_frame(is, &pkt);
2104 2d4eeaad Michael Niedermayer
        if(ret == AVERROR(EAGAIN) && strcmp(is->iformat->name, "ffm"))
2105 ad51c68c Michael Niedermayer
            continue;
2106
        if (ret < 0) {
2107 85f07f22 Fabrice Bellard
            file_table[file_index].eof_reached = 1;
2108 d24ce947 Alex Beregszaszi
            if (opt_shortest)
2109
                break;
2110
            else
2111
                continue;
2112 85f07f22 Fabrice Bellard
        }
2113 303e50e6 Michael Niedermayer
2114 254abc2e Fabrice Bellard
        if (do_pkt_dump) {
2115 750f0e1f Panagiotis Issaris
            av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2116 817b23ff Fabrice Bellard
        }
2117 79fdaa4c Fabrice Bellard
        /* the following test is needed in case new streams appear
2118
           dynamically in stream : we ignore them */
2119
        if (pkt.stream_index >= file_table[file_index].nb_streams)
2120 bf5af568 Fabrice Bellard
            goto discard_packet;
2121 85f07f22 Fabrice Bellard
        ist_index = file_table[file_index].ist_index + pkt.stream_index;
2122
        ist = ist_table[ist_index];
2123 bf5af568 Fabrice Bellard
        if (ist->discard)
2124
            goto discard_packet;
2125 85f07f22 Fabrice Bellard
2126 fec401f7 Michael Niedermayer
        if (pkt.dts != AV_NOPTS_VALUE)
2127
            pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2128
        if (pkt.pts != AV_NOPTS_VALUE)
2129
            pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2130
2131 8833f375 Michael Niedermayer
        if(input_files_ts_scale[file_index][pkt.stream_index]){
2132
            if(pkt.pts != AV_NOPTS_VALUE)
2133
                pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2134
            if(pkt.dts != AV_NOPTS_VALUE)
2135
                pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2136
        }
2137
2138 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);
2139 965530e1 Michael Niedermayer
        if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2140
            && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2141 81d6d520 Michael Niedermayer
            int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2142
            int64_t delta= pkt_dts - ist->next_pts;
2143
            if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2144 72bd8100 Michael Niedermayer
                input_files_ts_offset[ist->file_index]-= delta;
2145
                if (verbose > 2)
2146 4733abcb Måns Rullgård
                    fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2147 fec401f7 Michael Niedermayer
                pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2148
                if(pkt.pts != AV_NOPTS_VALUE)
2149
                    pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2150 72bd8100 Michael Niedermayer
            }
2151
        }
2152
2153 8831db5c Michael Niedermayer
        //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2154 a700a6ae Fabrice Bellard
        if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2155 d8019eb5 Allen Day
2156
            if (verbose >= 0)
2157
                fprintf(stderr, "Error while decoding stream #%d.%d\n",
2158
                        ist->file_index, ist->index);
2159 f2abc559 Baptiste Coudurier
            if (exit_on_error)
2160
                av_exit(1);
2161 a700a6ae Fabrice Bellard
            av_free_packet(&pkt);
2162
            goto redo;
2163 fe08925f Michael Niedermayer
        }
2164 cf7fc795 Fabrice Bellard
2165 bf5af568 Fabrice Bellard
    discard_packet:
2166 85f07f22 Fabrice Bellard
        av_free_packet(&pkt);
2167 115329f1 Diego Biurrun
2168 ec5517d5 Fabrice Bellard
        /* dump report by using the output first video and audio streams */
2169
        print_report(output_files, ost_table, nb_ostreams, 0);
2170 85f07f22 Fabrice Bellard
    }
2171 a700a6ae Fabrice Bellard
2172
    /* at the end of stream, we must flush the decoder buffers */
2173
    for(i=0;i<nb_istreams;i++) {
2174
        ist = ist_table[i];
2175
        if (ist->decoding_needed) {
2176
            output_packet(ist, i, ost_table, nb_ostreams, NULL);
2177
        }
2178
    }
2179
2180 a38469e1 Fabrice Bellard
    term_exit();
2181 85f07f22 Fabrice Bellard
2182 c4e37247 Michael Niedermayer
    /* write the trailer if needed and close file */
2183
    for(i=0;i<nb_output_files;i++) {
2184
        os = output_files[i];
2185
        av_write_trailer(os);
2186
    }
2187
2188 37f5cd5a Michael Niedermayer
    /* dump report by using the first video and audio streams */
2189
    print_report(output_files, ost_table, nb_ostreams, 1);
2190
2191 85f07f22 Fabrice Bellard
    /* close each encoder */
2192
    for(i=0;i<nb_ostreams;i++) {
2193
        ost = ost_table[i];
2194
        if (ost->encoding_needed) {
2195 01f4895c Michael Niedermayer
            av_freep(&ost->st->codec->stats_in);
2196
            avcodec_close(ost->st->codec);
2197 85f07f22 Fabrice Bellard
        }
2198
    }
2199 115329f1 Diego Biurrun
2200 85f07f22 Fabrice Bellard
    /* close each decoder */
2201
    for(i=0;i<nb_istreams;i++) {
2202
        ist = ist_table[i];
2203
        if (ist->decoding_needed) {
2204 01f4895c Michael Niedermayer
            avcodec_close(ist->st->codec);
2205 85f07f22 Fabrice Bellard
        }
2206
    }
2207
2208
    /* finished ! */
2209 115329f1 Diego Biurrun
2210 85f07f22 Fabrice Bellard
    ret = 0;
2211
 fail1:
2212 83b07470 Michael Niedermayer
    av_freep(&bit_buffer);
2213 0f1578af Fabrice Bellard
    av_free(file_table);
2214 bdc4796f Fabrice Bellard
2215 85f07f22 Fabrice Bellard
    if (ist_table) {
2216
        for(i=0;i<nb_istreams;i++) {
2217
            ist = ist_table[i];
2218 0f1578af Fabrice Bellard
            av_free(ist);
2219 85f07f22 Fabrice Bellard
        }
2220 0f1578af Fabrice Bellard
        av_free(ist_table);
2221 85f07f22 Fabrice Bellard
    }
2222
    if (ost_table) {
2223
        for(i=0;i<nb_ostreams;i++) {
2224
            ost = ost_table[i];
2225
            if (ost) {
2226 5abdb4b1 Fabrice Bellard
                if (ost->logfile) {
2227
                    fclose(ost->logfile);
2228
                    ost->logfile = NULL;
2229
                }
2230 f5a478f6 Roman Shaposhnik
                av_fifo_free(&ost->fifo); /* works even if fifo is not
2231
                                             initialized but set to zero */
2232 0f1578af Fabrice Bellard
                av_free(ost->pict_tmp.data[0]);
2233 85f07f22 Fabrice Bellard
                if (ost->video_resample)
2234 18a54b04 Luca Abeni
                    sws_freeContext(ost->img_resample_ctx);
2235 8e4270c5 Andreas Öman
                if (ost->resample)
2236 85f07f22 Fabrice Bellard
                    audio_resample_close(ost->resample);
2237 a79db0f7 Peter Ross
                if (ost->reformat_ctx)
2238
                    av_audio_convert_free(ost->reformat_ctx);
2239 0f1578af Fabrice Bellard
                av_free(ost);
2240 85f07f22 Fabrice Bellard
            }
2241
        }
2242 0f1578af Fabrice Bellard
        av_free(ost_table);
2243 85f07f22 Fabrice Bellard
    }
2244
    return ret;
2245
 fail:
2246 8fa36ae0 François Revol
    ret = AVERROR(ENOMEM);
2247 85f07f22 Fabrice Bellard
    goto fail1;
2248
}
2249
2250
#if 0
2251
int file_read(const char *filename)
2252
{
2253
    URLContext *h;
2254
    unsigned char buffer[1024];
2255
    int len, i;
2256

2257
    if (url_open(&h, filename, O_RDONLY) < 0) {
2258
        printf("could not open '%s'\n", filename);
2259
        return -1;
2260
    }
2261
    for(;;) {
2262
        len = url_read(h, buffer, sizeof(buffer));
2263
        if (len <= 0)
2264
            break;
2265
        for(i=0;i<len;i++) putchar(buffer[i]);
2266
    }
2267
    url_close(h);
2268
    return 0;
2269
}
2270
#endif
2271
2272 b29f97d1 Zdenek Kabelac
static void opt_format(const char *arg)
2273 85f07f22 Fabrice Bellard
{
2274 817b23ff Fabrice Bellard
    /* compatibility stuff for pgmyuv */
2275
    if (!strcmp(arg, "pgmyuv")) {
2276 5b6d5596 Michael Niedermayer
        pgmyuv_compatibility_hack=1;
2277 9286699a Michael Niedermayer
//        opt_image_format(arg);
2278 5b6d5596 Michael Niedermayer
        arg = "image2";
2279 17ceb4f9 Baptiste Coudurier
        fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2280 817b23ff Fabrice Bellard
    }
2281
2282 79fdaa4c Fabrice Bellard
    file_iformat = av_find_input_format(arg);
2283
    file_oformat = guess_format(arg, NULL, NULL);
2284
    if (!file_iformat && !file_oformat) {
2285
        fprintf(stderr, "Unknown input or output format: %s\n", arg);
2286 296df4e7 Ramiro Polla
        av_exit(1);
2287 85f07f22 Fabrice Bellard
    }
2288
}
2289
2290 464a631c Morten Hustveit
static void opt_video_rc_override_string(const char *arg)
2291 ac2830ec Michael Niedermayer
{
2292
    video_rc_override_string = arg;
2293
}
2294
2295 c48da33c Stefano Sabatini
static int opt_me_threshold(const char *opt, const char *arg)
2296 f4f3223f Michael Niedermayer
{
2297 c48da33c Stefano Sabatini
    me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2298
    return 0;
2299 f4f3223f Michael Niedermayer
}
2300
2301 c48da33c Stefano Sabatini
static int opt_verbose(const char *opt, const char *arg)
2302 f068206e Bill Eldridge
{
2303 46eab093 Michael Niedermayer
    verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2304 b3574faa Stefano Sabatini
    av_log_set_level(verbose);
2305 c48da33c Stefano Sabatini
    return 0;
2306 f068206e Bill Eldridge
}
2307
2308 2fc3866d Stefano Sabatini
static int opt_frame_rate(const char *opt, const char *arg)
2309 85f07f22 Fabrice Bellard
{
2310 b33ece16 Stefano Sabatini
    if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2311 2fc3866d Stefano Sabatini
        fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2312 296df4e7 Ramiro Polla
        av_exit(1);
2313 445f1b83 Roman Shaposhnik
    }
2314 2fc3866d Stefano Sabatini
    return 0;
2315 85f07f22 Fabrice Bellard
}
2316
2317 ebde2a2c Morten Hustveit
static int opt_bitrate(const char *opt, const char *arg)
2318 1b1656c6 Ramiro Polla
{
2319
    int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2320
2321
    opt_default(opt, arg);
2322
2323
    if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2324
        fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2325 ebde2a2c Morten Hustveit
2326
    return 0;
2327 1b1656c6 Ramiro Polla
}
2328
2329 b29f97d1 Zdenek Kabelac
static void opt_frame_crop_top(const char *arg)
2330 ab6d194a Michael Niedermayer
{
2331 115329f1 Diego Biurrun
    frame_topBand = atoi(arg);
2332 ab6d194a Michael Niedermayer
    if (frame_topBand < 0) {
2333
        fprintf(stderr, "Incorrect top crop size\n");
2334 296df4e7 Ramiro Polla
        av_exit(1);
2335 ab6d194a Michael Niedermayer
    }
2336
    if ((frame_topBand % 2) != 0) {
2337
        fprintf(stderr, "Top crop size must be a multiple of 2\n");
2338 296df4e7 Ramiro Polla
        av_exit(1);
2339 ab6d194a Michael Niedermayer
    }
2340
    if ((frame_topBand) >= frame_height){
2341 bb270c08 Diego Biurrun
        fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2342 296df4e7 Ramiro Polla
        av_exit(1);
2343 ab6d194a Michael Niedermayer
    }
2344
    frame_height -= frame_topBand;
2345
}
2346
2347 b29f97d1 Zdenek Kabelac
static void opt_frame_crop_bottom(const char *arg)
2348 ab6d194a Michael Niedermayer
{
2349
    frame_bottomBand = atoi(arg);
2350
    if (frame_bottomBand < 0) {
2351
        fprintf(stderr, "Incorrect bottom crop size\n");
2352 296df4e7 Ramiro Polla
        av_exit(1);
2353 ab6d194a Michael Niedermayer
    }
2354
    if ((frame_bottomBand % 2) != 0) {
2355
        fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2356 296df4e7 Ramiro Polla
        av_exit(1);
2357 ab6d194a Michael Niedermayer
    }
2358
    if ((frame_bottomBand) >= frame_height){
2359 bb270c08 Diego Biurrun
        fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2360 296df4e7 Ramiro Polla
        av_exit(1);
2361 ab6d194a Michael Niedermayer
    }
2362
    frame_height -= frame_bottomBand;
2363
}
2364
2365 b29f97d1 Zdenek Kabelac
static void opt_frame_crop_left(const char *arg)
2366 ab6d194a Michael Niedermayer
{
2367
    frame_leftBand = atoi(arg);
2368
    if (frame_leftBand < 0) {
2369
        fprintf(stderr, "Incorrect left crop size\n");
2370 296df4e7 Ramiro Polla
        av_exit(1);
2371 ab6d194a Michael Niedermayer
    }
2372
    if ((frame_leftBand % 2) != 0) {
2373
        fprintf(stderr, "Left crop size must be a multiple of 2\n");
2374 296df4e7 Ramiro Polla
        av_exit(1);
2375 ab6d194a Michael Niedermayer
    }
2376
    if ((frame_leftBand) >= frame_width){
2377 bb270c08 Diego Biurrun
        fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2378 296df4e7 Ramiro Polla
        av_exit(1);
2379 ab6d194a Michael Niedermayer
    }
2380
    frame_width -= frame_leftBand;
2381
}
2382
2383 b29f97d1 Zdenek Kabelac
static void opt_frame_crop_right(const char *arg)
2384 ab6d194a Michael Niedermayer
{
2385
    frame_rightBand = atoi(arg);
2386
    if (frame_rightBand < 0) {
2387
        fprintf(stderr, "Incorrect right crop size\n");
2388 296df4e7 Ramiro Polla
        av_exit(1);
2389 ab6d194a Michael Niedermayer
    }
2390
    if ((frame_rightBand % 2) != 0) {
2391
        fprintf(stderr, "Right crop size must be a multiple of 2\n");
2392 296df4e7 Ramiro Polla
        av_exit(1);
2393 ab6d194a Michael Niedermayer
    }
2394
    if ((frame_rightBand) >= frame_width){
2395 bb270c08 Diego Biurrun
        fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2396 296df4e7 Ramiro Polla
        av_exit(1);
2397 ab6d194a Michael Niedermayer
    }
2398
    frame_width -= frame_rightBand;
2399
}
2400
2401 b29f97d1 Zdenek Kabelac
static void opt_frame_size(const char *arg)
2402 85f07f22 Fabrice Bellard
{
2403 b33ece16 Stefano Sabatini
    if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2404 85f07f22 Fabrice Bellard
        fprintf(stderr, "Incorrect frame size\n");
2405 296df4e7 Ramiro Polla
        av_exit(1);
2406 85f07f22 Fabrice Bellard
    }
2407
    if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2408
        fprintf(stderr, "Frame size must be a multiple of 2\n");
2409 296df4e7 Ramiro Polla
        av_exit(1);
2410 85f07f22 Fabrice Bellard
    }
2411
}
2412
2413 1ff93ffc Todd Kirby
2414
#define SCALEBITS 10
2415
#define ONE_HALF  (1 << (SCALEBITS - 1))
2416 bb270c08 Diego Biurrun
#define FIX(x)    ((int) ((x) * (1<<SCALEBITS) + 0.5))
2417 1ff93ffc Todd Kirby
2418
#define RGB_TO_Y(r, g, b) \
2419
((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2420
  FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2421
2422
#define RGB_TO_U(r1, g1, b1, shift)\
2423
(((- FIX(0.16874) * r1 - FIX(0.33126) * g1 +         \
2424
     FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2425
2426
#define RGB_TO_V(r1, g1, b1, shift)\
2427
(((FIX(0.50000) * r1 - FIX(0.41869) * g1 -           \
2428
   FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2429
2430
static void opt_pad_color(const char *arg) {
2431
    /* Input is expected to be six hex digits similar to
2432
       how colors are expressed in html tags (but without the #) */
2433
    int rgb = strtol(arg, NULL, 16);
2434
    int r,g,b;
2435 115329f1 Diego Biurrun
2436
    r = (rgb >> 16);
2437 1ff93ffc Todd Kirby
    g = ((rgb >> 8) & 255);
2438
    b = (rgb & 255);
2439
2440
    padcolor[0] = RGB_TO_Y(r,g,b);
2441
    padcolor[1] = RGB_TO_U(r,g,b,0);
2442
    padcolor[2] = RGB_TO_V(r,g,b,0);
2443
}
2444
2445
static void opt_frame_pad_top(const char *arg)
2446
{
2447 115329f1 Diego Biurrun
    frame_padtop = atoi(arg);
2448 1ff93ffc Todd Kirby
    if (frame_padtop < 0) {
2449
        fprintf(stderr, "Incorrect top pad size\n");
2450 296df4e7 Ramiro Polla
        av_exit(1);
2451 1ff93ffc Todd Kirby
    }
2452
    if ((frame_padtop % 2) != 0) {
2453
        fprintf(stderr, "Top pad size must be a multiple of 2\n");
2454 296df4e7 Ramiro Polla
        av_exit(1);
2455 1ff93ffc Todd Kirby
    }
2456
}
2457
2458
static void opt_frame_pad_bottom(const char *arg)
2459
{
2460 115329f1 Diego Biurrun
    frame_padbottom = atoi(arg);
2461 1ff93ffc Todd Kirby
    if (frame_padbottom < 0) {
2462
        fprintf(stderr, "Incorrect bottom pad size\n");
2463 296df4e7 Ramiro Polla
        av_exit(1);
2464 1ff93ffc Todd Kirby
    }
2465
    if ((frame_padbottom % 2) != 0) {
2466
        fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2467 296df4e7 Ramiro Polla
        av_exit(1);
2468 1ff93ffc Todd Kirby
    }
2469
}
2470
2471
2472
static void opt_frame_pad_left(const char *arg)
2473
{
2474 115329f1 Diego Biurrun
    frame_padleft = atoi(arg);
2475 1ff93ffc Todd Kirby
    if (frame_padleft < 0) {
2476
        fprintf(stderr, "Incorrect left pad size\n");
2477 296df4e7 Ramiro Polla
        av_exit(1);
2478 1ff93ffc Todd Kirby
    }
2479
    if ((frame_padleft % 2) != 0) {
2480
        fprintf(stderr, "Left pad size must be a multiple of 2\n");
2481 296df4e7 Ramiro Polla
        av_exit(1);
2482 1ff93ffc Todd Kirby
    }
2483
}
2484
2485
2486
static void opt_frame_pad_right(const char *arg)
2487
{
2488 115329f1 Diego Biurrun
    frame_padright = atoi(arg);
2489 1ff93ffc Todd Kirby
    if (frame_padright < 0) {
2490
        fprintf(stderr, "Incorrect right pad size\n");
2491 296df4e7 Ramiro Polla
        av_exit(1);
2492 1ff93ffc Todd Kirby
    }
2493
    if ((frame_padright % 2) != 0) {
2494
        fprintf(stderr, "Right pad size must be a multiple of 2\n");
2495 296df4e7 Ramiro Polla
        av_exit(1);
2496 1ff93ffc Todd Kirby
    }
2497
}
2498
2499 ce1ee094 Peter Ross
static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2500 c3b95b1d Stefano Sabatini
{
2501
    int i;
2502 ce1ee094 Peter Ross
    char fmt_str[128];
2503
    for (i=-1; i < nb_fmts; i++) {
2504
        get_fmt_string (fmt_str, sizeof(fmt_str), i);
2505
        fprintf(stdout, "%s\n", fmt_str);
2506 c3b95b1d Stefano Sabatini
    }
2507
}
2508 1ff93ffc Todd Kirby
2509 63167088 Roman Shaposhnik
static void opt_frame_pix_fmt(const char *arg)
2510
{
2511 c3b95b1d Stefano Sabatini
    if (strcmp(arg, "list"))
2512
        frame_pix_fmt = avcodec_get_pix_fmt(arg);
2513
    else {
2514 ce1ee094 Peter Ross
        list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2515 296df4e7 Ramiro Polla
        av_exit(0);
2516 c3b95b1d Stefano Sabatini
    }
2517 63167088 Roman Shaposhnik
}
2518
2519 5fe03e38 Roman Shaposhnik
static void opt_frame_aspect_ratio(const char *arg)
2520
{
2521
    int x = 0, y = 0;
2522
    double ar = 0;
2523
    const char *p;
2524 815f98cc Aurelien Jacobs
    char *end;
2525 115329f1 Diego Biurrun
2526 5fe03e38 Roman Shaposhnik
    p = strchr(arg, ':');
2527
    if (p) {
2528 815f98cc Aurelien Jacobs
        x = strtol(arg, &end, 10);
2529
        if (end == p)
2530
            y = strtol(end+1, &end, 10);
2531 bb270c08 Diego Biurrun
        if (x > 0 && y > 0)
2532
            ar = (double)x / (double)y;
2533 5fe03e38 Roman Shaposhnik
    } else
2534 815f98cc Aurelien Jacobs
        ar = strtod(arg, NULL);
2535 5fe03e38 Roman Shaposhnik
2536
    if (!ar) {
2537
        fprintf(stderr, "Incorrect aspect ratio specification.\n");
2538 296df4e7 Ramiro Polla
        av_exit(1);
2539 5fe03e38 Roman Shaposhnik
    }
2540
    frame_aspect_ratio = ar;
2541
}
2542
2543 b29f97d1 Zdenek Kabelac
static void opt_qscale(const char *arg)
2544 85f07f22 Fabrice Bellard
{
2545 158c7f05 Michael Niedermayer
    video_qscale = atof(arg);
2546 4e64bead Loren Merritt
    if (video_qscale <= 0 ||
2547 158c7f05 Michael Niedermayer
        video_qscale > 255) {
2548 4e64bead Loren Merritt
        fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2549 296df4e7 Ramiro Polla
        av_exit(1);
2550 85f07f22 Fabrice Bellard
    }
2551
}
2552
2553 bb198e19 Michael Niedermayer
static void opt_top_field_first(const char *arg)
2554
{
2555
    top_field_first= atoi(arg);
2556
}
2557
2558 d18811bb Stefano Sabatini
static int opt_thread_count(const char *opt, const char *arg)
2559 9c3d33d6 Michael Niedermayer
{
2560 d18811bb Stefano Sabatini
    thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2561 b250f9c6 Aurelien Jacobs
#if !HAVE_THREADS
2562 d8019eb5 Allen Day
    if (verbose >= 0)
2563
        fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2564 842b556a Michael Niedermayer
#endif
2565 d18811bb Stefano Sabatini
    return 0;
2566 9c3d33d6 Michael Niedermayer
}
2567
2568 ce1ee094 Peter Ross
static void opt_audio_sample_fmt(const char *arg)
2569
{
2570
    if (strcmp(arg, "list"))
2571
        audio_sample_fmt = avcodec_get_sample_fmt(arg);
2572
    else {
2573
        list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2574
        av_exit(0);
2575
    }
2576
}
2577
2578 c48da33c Stefano Sabatini
static int opt_audio_rate(const char *opt, const char *arg)
2579 85f07f22 Fabrice Bellard
{
2580 c48da33c Stefano Sabatini
    audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2581
    return 0;
2582 85f07f22 Fabrice Bellard
}
2583
2584 c48da33c Stefano Sabatini
static int opt_audio_channels(const char *opt, const char *arg)
2585 85f07f22 Fabrice Bellard
{
2586 c48da33c Stefano Sabatini
    audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2587
    return 0;
2588 85f07f22 Fabrice Bellard
}
2589
2590 b29f97d1 Zdenek Kabelac
static