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ffmpeg / ffmpeg.c @ 6b8bcd3e

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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 0f4e8165 Ronald S. Bultje
#include "config.h"
23
#include <ctype.h>
24
#include <string.h>
25
#include <math.h>
26
#include <stdlib.h>
27
#include <errno.h>
28 d86b83f8 Ramiro Polla
#include <signal.h>
29 22f7a060 Michael Niedermayer
#include <limits.h>
30 daf8e955 Fabrice Bellard
#include "avformat.h"
31 18a54b04 Luca Abeni
#include "swscale.h"
32 10d104e4 Philip Gladstone
#include "framehook.h"
33 6fd46414 Michael Niedermayer
#include "opt.h"
34 f5a478f6 Roman Shaposhnik
#include "fifo.h"
35 f7d78f36 Måns Rullgård
#include "avstring.h"
36 daf8e955 Fabrice Bellard
37 7495c306 Ramiro Polla
#if !defined(HAVE_GETRUSAGE) && defined(HAVE_GETPROCESSTIMES)
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#include <windows.h>
39
#endif
40
41 4b54c6d0 Ramiro Polla
#if defined(HAVE_TERMIOS_H)
42 85f07f22 Fabrice Bellard
#include <unistd.h>
43
#include <fcntl.h>
44
#include <sys/ioctl.h>
45
#include <sys/time.h>
46
#include <termios.h>
47 5727b222 Fabrice Bellard
#include <sys/resource.h>
48 4b54c6d0 Ramiro Polla
#elif defined(HAVE_CONIO_H)
49
#include <conio.h>
50 bdc4796f Fabrice Bellard
#endif
51 64c020a8 Michael Niedermayer
#undef time //needed because HAVE_AV_CONFIG_H is defined on top
52 bf5af568 Fabrice Bellard
#include <time.h>
53 85f07f22 Fabrice Bellard
54 f1cc88a5 Diego Biurrun
#include "version.h"
55 01310af2 Fabrice Bellard
#include "cmdutils.h"
56
57 2b18dcd0 Michael Niedermayer
#undef NDEBUG
58
#include <assert.h>
59
60 8aa1e3da Michael Niedermayer
#if !defined(INFINITY) && defined(HUGE_VAL)
61
#define INFINITY HUGE_VAL
62
#endif
63 85f07f22 Fabrice Bellard
64 c367d067 Michael Niedermayer
#undef exit
65
66 85f07f22 Fabrice Bellard
/* select an input stream for an output stream */
67
typedef struct AVStreamMap {
68
    int file_index;
69
    int stream_index;
70 b4a3389e Wolfram Gloger
    int sync_file_index;
71
    int sync_stream_index;
72 85f07f22 Fabrice Bellard
} AVStreamMap;
73
74 0a38bafd Patrice Bensoussan
/** select an input file for an output file */
75
typedef struct AVMetaDataMap {
76
    int out_file;
77
    int in_file;
78
} AVMetaDataMap;
79
80 85f07f22 Fabrice Bellard
extern const OptionDef options[];
81
82 02d504a7 Fabrice Bellard
static void show_help(void);
83
static void show_license(void);
84 637b5326 Michael Niedermayer
static int opt_default(const char *opt, const char *arg);
85 85f07f22 Fabrice Bellard
86
#define MAX_FILES 20
87
88
static AVFormatContext *input_files[MAX_FILES];
89 a6a92a9a Wolfram Gloger
static int64_t input_files_ts_offset[MAX_FILES];
90 85f07f22 Fabrice Bellard
static int nb_input_files = 0;
91
92
static AVFormatContext *output_files[MAX_FILES];
93
static int nb_output_files = 0;
94
95
static AVStreamMap stream_maps[MAX_FILES];
96
static int nb_stream_maps;
97
98 0a38bafd Patrice Bensoussan
static AVMetaDataMap meta_data_maps[MAX_FILES];
99
static int nb_meta_data_maps;
100
101 79fdaa4c Fabrice Bellard
static AVInputFormat *file_iformat;
102
static AVOutputFormat *file_oformat;
103 55cf1959 Michael Niedermayer
static int frame_width  = 0;
104
static int frame_height = 0;
105 880e8ba7 Roman Shaposhnik
static float frame_aspect_ratio = 0;
106 644a9262 Michael Niedermayer
static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
107 1ff93ffc Todd Kirby
static int frame_padtop  = 0;
108
static int frame_padbottom = 0;
109
static int frame_padleft  = 0;
110
static int frame_padright = 0;
111
static int padcolor[3] = {16,128,128}; /* default to black */
112 ab6d194a Michael Niedermayer
static int frame_topBand  = 0;
113
static int frame_bottomBand = 0;
114
static int frame_leftBand  = 0;
115
static int frame_rightBand = 0;
116 cf7fc795 Fabrice Bellard
static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
117 b33ece16 Stefano Sabatini
static AVRational frame_rate = (AVRational) {25,1};
118 158c7f05 Michael Niedermayer
static float video_qscale = 0;
119 9cdd6a24 Michael Niedermayer
static int video_qdiff = 3;
120 84f608f4 Vidar Madsen
static uint16_t *intra_matrix = NULL;
121
static uint16_t *inter_matrix = NULL;
122 ac2830ec Michael Niedermayer
#if 0 //experimental, (can be removed)
123 3aa102be Michael Niedermayer
static float video_rc_qsquish=1.0;
124
static float video_rc_qmod_amp=0;
125
static int video_rc_qmod_freq=0;
126 ac2830ec Michael Niedermayer
#endif
127 3aa102be Michael Niedermayer
static char *video_rc_override_string=NULL;
128
static char *video_rc_eq="tex^qComp";
129 85f07f22 Fabrice Bellard
static int video_disable = 0;
130 f3356e9c Michael Niedermayer
static int video_discard = 0;
131 85f07f22 Fabrice Bellard
static int video_codec_id = CODEC_ID_NONE;
132 b2a2197e Michael Niedermayer
static int video_codec_tag = 0;
133 85f07f22 Fabrice Bellard
static int same_quality = 0;
134 cfcf0ffd Fabrice Bellard
static int do_deinterlace = 0;
135 f560dd82 Michael Niedermayer
static int strict = 0;
136 bb198e19 Michael Niedermayer
static int top_field_first = -1;
137 f4f3223f Michael Niedermayer
static int me_threshold = 0;
138 1a11cbcc Michael Niedermayer
static int intra_dc_precision = 8;
139 5894e1bb Víctor Paesa
static int loop_input = 0;
140 8108551a Todd Kirby
static int loop_output = AVFMT_NOOUTPUTLOOP;
141 0888fd22 Michael Niedermayer
static int qp_hist = 0;
142 85f07f22 Fabrice Bellard
143
static int intra_only = 0;
144
static int audio_sample_rate = 44100;
145 c57c770d Justin Ruggles
#define QSCALE_NONE -99999
146
static float audio_qscale = QSCALE_NONE;
147 85f07f22 Fabrice Bellard
static int audio_disable = 0;
148
static int audio_channels = 1;
149
static int audio_codec_id = CODEC_ID_NONE;
150 b2a2197e Michael Niedermayer
static int audio_codec_tag = 0;
151 cf7fc795 Fabrice Bellard
static char *audio_language = NULL;
152
153
static int subtitle_codec_id = CODEC_ID_NONE;
154
static char *subtitle_language = NULL;
155 85f07f22 Fabrice Bellard
156 17c88cb0 Michael Niedermayer
static float mux_preload= 0.5;
157
static float mux_max_delay= 0.7;
158 2db3c638 Michael Niedermayer
159 0c1a9eda Zdenek Kabelac
static int64_t recording_time = 0;
160 8831db5c Michael Niedermayer
static int64_t start_time = 0;
161 4568325a Roman Shaposhnik
static int64_t rec_timestamp = 0;
162 a6a92a9a Wolfram Gloger
static int64_t input_ts_offset = 0;
163 85f07f22 Fabrice Bellard
static int file_overwrite = 0;
164
static char *str_title = NULL;
165
static char *str_author = NULL;
166
static char *str_copyright = NULL;
167
static char *str_comment = NULL;
168 63d5075c Panagiotis Issaris
static char *str_album = NULL;
169 5727b222 Fabrice Bellard
static int do_benchmark = 0;
170 a0663ba4 Fabrice Bellard
static int do_hex_dump = 0;
171 254abc2e Fabrice Bellard
static int do_pkt_dump = 0;
172 43f1708f Juanjo
static int do_psnr = 0;
173 5abdb4b1 Fabrice Bellard
static int do_pass = 0;
174
static char *pass_logfilename = NULL;
175 1629626f Fabrice Bellard
static int audio_stream_copy = 0;
176
static int video_stream_copy = 0;
177 cf7fc795 Fabrice Bellard
static int subtitle_stream_copy = 0;
178 986ebcdb Michael Niedermayer
static int video_sync_method= 1;
179
static int audio_sync_method= 0;
180 72bd8100 Michael Niedermayer
static int copy_ts= 0;
181 ca80810b Calcium
static int opt_shortest = 0; //
182 90ad92b3 Michael Niedermayer
static int video_global_header = 0;
183 b60d1379 Stefano Sabatini
static char *vstats_filename;
184
static FILE *fvstats;
185 5abdb4b1 Fabrice Bellard
186 bdfcbbed Max Krasnyansky
static int rate_emu = 0;
187
188 a5df11ab Fabrice Bellard
static int  video_channel = 0;
189 df0cecdd Luca Abeni
static char *video_standard;
190 79a7c268 Fabrice Bellard
191 a9aa3467 Michael Niedermayer
static int audio_volume = 256;
192 8aa3ee32 Max Krasnyansky
193 d9a916e2 Charles Yates
static int using_stdin = 0;
194 bee0d9e5 Charles Yates
static int using_vhook = 0;
195 f068206e Bill Eldridge
static int verbose = 1;
196 9c3d33d6 Michael Niedermayer
static int thread_count= 1;
197 b51469a0 Leon van Stuivenberg
static int q_pressed = 0;
198 1008ceb3 Michael Niedermayer
static int64_t video_size = 0;
199
static int64_t audio_size = 0;
200
static int64_t extra_size = 0;
201 a6a92a9a Wolfram Gloger
static int nb_frames_dup = 0;
202
static int nb_frames_drop = 0;
203 6e454c38 Luca Abeni
static int input_sync;
204 85ad1b0e Baptiste Coudurier
static uint64_t limit_filesize = 0; //
205 d9a916e2 Charles Yates
206 5b6d5596 Michael Niedermayer
static int pgmyuv_compatibility_hack=0;
207 023857be Harikrishnan Varma
static int dts_delta_threshold = 10;
208 5b6d5596 Michael Niedermayer
209 18a54b04 Luca Abeni
static int sws_flags = SWS_BICUBIC;
210
211 29cc1c23 Benoit Fouet
static const char **opt_names;
212
static int opt_name_count;
213
static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
214
static AVFormatContext *avformat_opts;
215
static struct SwsContext *sws_opts;
216
static int64_t timer_start;
217 8bbf6db9 Michael Niedermayer
218 748c2fca Michael Niedermayer
static AVBitStreamFilterContext *video_bitstream_filters=NULL;
219
static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
220
static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
221 5b6d5596 Michael Niedermayer
222 5abdb4b1 Fabrice Bellard
#define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
223 85f07f22 Fabrice Bellard
224 b4a3389e Wolfram Gloger
struct AVInputStream;
225
226 85f07f22 Fabrice Bellard
typedef struct AVOutputStream {
227
    int file_index;          /* file index */
228
    int index;               /* stream index in the output file */
229
    int source_index;        /* AVInputStream index */
230
    AVStream *st;            /* stream in the output file */
231 ec5517d5 Fabrice Bellard
    int encoding_needed;     /* true if encoding needed for this stream */
232
    int frame_number;
233
    /* input pts and corresponding output pts
234
       for A/V sync */
235 b4a3389e Wolfram Gloger
    //double sync_ipts;        /* dts from the AVPacket of the demuxer in second units */
236
    struct AVInputStream *sync_ist; /* input stream to sync against */
237 e928649b Michael Niedermayer
    int64_t sync_opts;       /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
238 85f07f22 Fabrice Bellard
    /* video only */
239 07d0cdfc Luca Abeni
    int video_resample;
240 a4d36c11 Michael Niedermayer
    AVFrame pict_tmp;      /* temporary image for resampling */
241 18a54b04 Luca Abeni
    struct SwsContext *img_resample_ctx; /* for image resampling */
242
    int resample_height;
243 34b10a57 Dieter
244 07d0cdfc Luca Abeni
    int video_crop;
245 34b10a57 Dieter
    int topBand;             /* cropping area sizes */
246
    int leftBand;
247 115329f1 Diego Biurrun
248 07d0cdfc Luca Abeni
    int video_pad;
249 1ff93ffc Todd Kirby
    int padtop;              /* padding area sizes */
250
    int padbottom;
251
    int padleft;
252
    int padright;
253 115329f1 Diego Biurrun
254 85f07f22 Fabrice Bellard
    /* audio only */
255
    int audio_resample;
256
    ReSampleContext *resample; /* for audio resampling */
257 f5a478f6 Roman Shaposhnik
    AVFifoBuffer fifo;     /* for compression: one audio fifo per codec */
258 5abdb4b1 Fabrice Bellard
    FILE *logfile;
259 85f07f22 Fabrice Bellard
} AVOutputStream;
260
261
typedef struct AVInputStream {
262
    int file_index;
263
    int index;
264
    AVStream *st;
265
    int discard;             /* true if stream data should be discarded */
266
    int decoding_needed;     /* true if the packets must be decoded in 'raw_fifo' */
267 0c1a9eda Zdenek Kabelac
    int64_t sample_index;      /* current sample */
268 bdfcbbed Max Krasnyansky
269
    int64_t       start;     /* time when read started */
270
    unsigned long frame;     /* current frame */
271 254abc2e Fabrice Bellard
    int64_t       next_pts;  /* synthetic pts for cases where pkt.pts
272
                                is not defined */
273 e7d0374f Roman Shaposhnik
    int64_t       pts;       /* current pts */
274 ff4905a5 Michael Niedermayer
    int is_start;            /* is 1 at the start and after a discontinuity */
275 85f07f22 Fabrice Bellard
} AVInputStream;
276
277
typedef struct AVInputFile {
278
    int eof_reached;      /* true if eof reached */
279
    int ist_index;        /* index of first stream in ist_table */
280
    int buffer_size;      /* current total buffer size */
281 79fdaa4c Fabrice Bellard
    int nb_streams;       /* nb streams we are aware of */
282 85f07f22 Fabrice Bellard
} AVInputFile;
283
284 e16e49ac Ramiro Polla
#ifdef HAVE_TERMIOS_H
285 bdc4796f Fabrice Bellard
286 85f07f22 Fabrice Bellard
/* init terminal so that we can grab keys */
287
static struct termios oldtty;
288 d86b83f8 Ramiro Polla
#endif
289 85f07f22 Fabrice Bellard
290
static void term_exit(void)
291
{
292 e16e49ac Ramiro Polla
#ifdef HAVE_TERMIOS_H
293 85f07f22 Fabrice Bellard
    tcsetattr (0, TCSANOW, &oldtty);
294 d86b83f8 Ramiro Polla
#endif
295 85f07f22 Fabrice Bellard
}
296
297 9680a722 Roumen Petrov
static volatile sig_atomic_t received_sigterm = 0;
298
299
static void
300
sigterm_handler(int sig)
301
{
302
    received_sigterm = sig;
303
    term_exit();
304
}
305
306 85f07f22 Fabrice Bellard
static void term_init(void)
307
{
308 e16e49ac Ramiro Polla
#ifdef HAVE_TERMIOS_H
309 85f07f22 Fabrice Bellard
    struct termios tty;
310
311
    tcgetattr (0, &tty);
312
    oldtty = tty;
313
314
    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
315
                          |INLCR|IGNCR|ICRNL|IXON);
316
    tty.c_oflag |= OPOST;
317
    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
318
    tty.c_cflag &= ~(CSIZE|PARENB);
319
    tty.c_cflag |= CS8;
320
    tty.c_cc[VMIN] = 1;
321
    tty.c_cc[VTIME] = 0;
322 115329f1 Diego Biurrun
323 85f07f22 Fabrice Bellard
    tcsetattr (0, TCSANOW, &tty);
324 d86b83f8 Ramiro Polla
    signal(SIGQUIT, sigterm_handler); /* Quit (POSIX).  */
325
#endif
326 85f07f22 Fabrice Bellard
327 9680a722 Roumen Petrov
    signal(SIGINT , sigterm_handler); /* Interrupt (ANSI).  */
328
    signal(SIGTERM, sigterm_handler); /* Termination (ANSI).  */
329
    /*
330
    register a function to be called at normal program termination
331
    */
332 85f07f22 Fabrice Bellard
    atexit(term_exit);
333 9ddd71fc François Revol
#ifdef CONFIG_BEOS_NETSERVER
334
    fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
335
#endif
336 85f07f22 Fabrice Bellard
}
337
338
/* read a key without blocking */
339
static int read_key(void)
340
{
341 4b54c6d0 Ramiro Polla
#if defined(HAVE_TERMIOS_H)
342 9ddd71fc François Revol
    int n = 1;
343 85f07f22 Fabrice Bellard
    unsigned char ch;
344 9ddd71fc François Revol
#ifndef CONFIG_BEOS_NETSERVER
345
    struct timeval tv;
346 85f07f22 Fabrice Bellard
    fd_set rfds;
347
348
    FD_ZERO(&rfds);
349
    FD_SET(0, &rfds);
350
    tv.tv_sec = 0;
351
    tv.tv_usec = 0;
352
    n = select(1, &rfds, NULL, NULL, &tv);
353 9ddd71fc François Revol
#endif
354 85f07f22 Fabrice Bellard
    if (n > 0) {
355 cb09b2ed Philip Gladstone
        n = read(0, &ch, 1);
356
        if (n == 1)
357 85f07f22 Fabrice Bellard
            return ch;
358 cb09b2ed Philip Gladstone
359
        return n;
360 85f07f22 Fabrice Bellard
    }
361 4b54c6d0 Ramiro Polla
#elif defined(HAVE_CONIO_H)
362
    if(kbhit())
363
        return(getch());
364 d86b83f8 Ramiro Polla
#endif
365 85f07f22 Fabrice Bellard
    return -1;
366
}
367
368 b51469a0 Leon van Stuivenberg
static int decode_interrupt_cb(void)
369
{
370
    return q_pressed || (q_pressed = read_key() == 'q');
371
}
372
373 b29f97d1 Zdenek Kabelac
static int read_ffserver_streams(AVFormatContext *s, const char *filename)
374 85f07f22 Fabrice Bellard
{
375 79fdaa4c Fabrice Bellard
    int i, err;
376 85f07f22 Fabrice Bellard
    AVFormatContext *ic;
377
378 79fdaa4c Fabrice Bellard
    err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
379
    if (err < 0)
380
        return err;
381 85f07f22 Fabrice Bellard
    /* copy stream format */
382
    s->nb_streams = ic->nb_streams;
383
    for(i=0;i<ic->nb_streams;i++) {
384
        AVStream *st;
385 1e491e29 Michael Niedermayer
386 f37f8d4c Alex Beregszaszi
        // FIXME: a more elegant solution is needed
387 e1031171 Alex Beregszaszi
        st = av_mallocz(sizeof(AVStream));
388 85f07f22 Fabrice Bellard
        memcpy(st, ic->streams[i], sizeof(AVStream));
389 f37f8d4c Alex Beregszaszi
        st->codec = avcodec_alloc_context();
390
        memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
391 85f07f22 Fabrice Bellard
        s->streams[i] = st;
392
    }
393
394
    av_close_input_file(ic);
395
    return 0;
396
}
397
398 b4a3389e Wolfram Gloger
static double
399
get_sync_ipts(const AVOutputStream *ost)
400
{
401
    const AVInputStream *ist = ost->sync_ist;
402
    return (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/AV_TIME_BASE;
403
}
404
405 748c2fca Michael Niedermayer
static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
406
    while(bsfc){
407
        AVPacket new_pkt= *pkt;
408
        int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
409
                                          &new_pkt.data, &new_pkt.size,
410
                                          pkt->data, pkt->size,
411
                                          pkt->flags & PKT_FLAG_KEY);
412
        if(a){
413
            av_free_packet(pkt);
414
            new_pkt.destruct= av_destruct_packet;
415
        }
416
        *pkt= new_pkt;
417
418
        bsfc= bsfc->next;
419
    }
420
421
    av_interleaved_write_frame(s, pkt);
422
}
423
424 817b23ff Fabrice Bellard
#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
425 85f07f22 Fabrice Bellard
426 115329f1 Diego Biurrun
static void do_audio_out(AVFormatContext *s,
427
                         AVOutputStream *ost,
428 85f07f22 Fabrice Bellard
                         AVInputStream *ist,
429
                         unsigned char *buf, int size)
430
{
431 0c1a9eda Zdenek Kabelac
    uint8_t *buftmp;
432 d66c7abc Sylvain Corré
    static uint8_t *audio_buf = NULL;
433
    static uint8_t *audio_out = NULL;
434 558eae03 Michael Niedermayer
    const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
435 d66c7abc Sylvain Corré
436 85f07f22 Fabrice Bellard
    int size_out, frame_bytes, ret;
437 01f4895c Michael Niedermayer
    AVCodecContext *enc= ost->st->codec;
438 85f07f22 Fabrice Bellard
439 d66c7abc Sylvain Corré
    /* SC: dynamic allocation of buffers */
440
    if (!audio_buf)
441
        audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
442
    if (!audio_out)
443 558eae03 Michael Niedermayer
        audio_out = av_malloc(audio_out_size);
444 d66c7abc Sylvain Corré
    if (!audio_buf || !audio_out)
445
        return;               /* Should signal an error ! */
446
447 986ebcdb Michael Niedermayer
    if(audio_sync_method){
448 115329f1 Diego Biurrun
        double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
449 f5a478f6 Roman Shaposhnik
                - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
450 01f4895c Michael Niedermayer
        double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
451
        int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
452 ff4905a5 Michael Niedermayer
453 986ebcdb Michael Niedermayer
        //FIXME resample delay
454
        if(fabs(delta) > 50){
455 ff4905a5 Michael Niedermayer
            if(ist->is_start){
456
                if(byte_delta < 0){
457 f41dd5aa Michael Niedermayer
                    byte_delta= FFMAX(byte_delta, -size);
458 ff4905a5 Michael Niedermayer
                    size += byte_delta;
459
                    buf  -= byte_delta;
460
                    if(verbose > 2)
461
                        fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
462
                    if(!size)
463
                        return;
464
                    ist->is_start=0;
465
                }else{
466
                    static uint8_t *input_tmp= NULL;
467
                    input_tmp= av_realloc(input_tmp, byte_delta + size);
468
469
                    if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
470
                        ist->is_start=0;
471
                    else
472
                        byte_delta= MAX_AUDIO_PACKET_SIZE - size;
473
474
                    memset(input_tmp, 0, byte_delta);
475
                    memcpy(input_tmp + byte_delta, buf, size);
476
                    buf= input_tmp;
477
                    size += byte_delta;
478
                    if(verbose > 2)
479
                        fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
480
                }
481
            }else if(audio_sync_method>1){
482 f66e4f5f Reimar Döffinger
                int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
483 ff4905a5 Michael Niedermayer
                assert(ost->audio_resample);
484
                if(verbose > 2)
485
                    fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
486 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));
487 ff4905a5 Michael Niedermayer
                av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
488
            }
489 115329f1 Diego Biurrun
        }
490 986ebcdb Michael Niedermayer
    }else
491 b4a3389e Wolfram Gloger
        ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
492 f5a478f6 Roman Shaposhnik
                        - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
493 85f07f22 Fabrice Bellard
494
    if (ost->audio_resample) {
495
        buftmp = audio_buf;
496 115329f1 Diego Biurrun
        size_out = audio_resample(ost->resample,
497 85f07f22 Fabrice Bellard
                                  (short *)buftmp, (short *)buf,
498 01f4895c Michael Niedermayer
                                  size / (ist->st->codec->channels * 2));
499 85f07f22 Fabrice Bellard
        size_out = size_out * enc->channels * 2;
500
    } else {
501
        buftmp = buf;
502
        size_out = size;
503
    }
504
505
    /* now encode as many frames as possible */
506 a0663ba4 Fabrice Bellard
    if (enc->frame_size > 1) {
507 85f07f22 Fabrice Bellard
        /* output resampled raw samples */
508 f5a478f6 Roman Shaposhnik
        av_fifo_write(&ost->fifo, buftmp, size_out);
509 85f07f22 Fabrice Bellard
510
        frame_bytes = enc->frame_size * 2 * enc->channels;
511 115329f1 Diego Biurrun
512 f5a478f6 Roman Shaposhnik
        while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
513 e928649b Michael Niedermayer
            AVPacket pkt;
514
            av_init_packet(&pkt);
515
516 115329f1 Diego Biurrun
            ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
517 a0663ba4 Fabrice Bellard
                                       (short *)audio_buf);
518 1008ceb3 Michael Niedermayer
            audio_size += ret;
519 e928649b Michael Niedermayer
            pkt.stream_index= ost->index;
520
            pkt.data= audio_out;
521
            pkt.size= ret;
522 e7902f20 Michael Niedermayer
            if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
523 c0df9d75 Michael Niedermayer
                pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
524 e928649b Michael Niedermayer
            pkt.flags |= PKT_FLAG_KEY;
525 748c2fca Michael Niedermayer
            write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
526 115329f1 Diego Biurrun
527 986ebcdb Michael Niedermayer
            ost->sync_opts += enc->frame_size;
528 85f07f22 Fabrice Bellard
        }
529
    } else {
530 e928649b Michael Niedermayer
        AVPacket pkt;
531
        av_init_packet(&pkt);
532 986ebcdb Michael Niedermayer
533 c43042a7 Michael Niedermayer
        ost->sync_opts += size_out / (2 * enc->channels);
534 986ebcdb Michael Niedermayer
535 a0663ba4 Fabrice Bellard
        /* output a pcm frame */
536
        /* XXX: change encoding codec API to avoid this ? */
537
        switch(enc->codec->id) {
538 b461b3bc Reimar Döffinger
        case CODEC_ID_PCM_S32LE:
539
        case CODEC_ID_PCM_S32BE:
540
        case CODEC_ID_PCM_U32LE:
541
        case CODEC_ID_PCM_U32BE:
542
            size_out = size_out << 1;
543
            break;
544
        case CODEC_ID_PCM_S24LE:
545
        case CODEC_ID_PCM_S24BE:
546
        case CODEC_ID_PCM_U24LE:
547
        case CODEC_ID_PCM_U24BE:
548
        case CODEC_ID_PCM_S24DAUD:
549
            size_out = size_out / 2 * 3;
550
            break;
551 a0663ba4 Fabrice Bellard
        case CODEC_ID_PCM_S16LE:
552
        case CODEC_ID_PCM_S16BE:
553
        case CODEC_ID_PCM_U16LE:
554
        case CODEC_ID_PCM_U16BE:
555
            break;
556
        default:
557
            size_out = size_out >> 1;
558
            break;
559
        }
560 115329f1 Diego Biurrun
        ret = avcodec_encode_audio(enc, audio_out, size_out,
561 bb270c08 Diego Biurrun
                                   (short *)buftmp);
562 1008ceb3 Michael Niedermayer
        audio_size += ret;
563 e928649b Michael Niedermayer
        pkt.stream_index= ost->index;
564
        pkt.data= audio_out;
565
        pkt.size= ret;
566 e7902f20 Michael Niedermayer
        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
567 c0df9d75 Michael Niedermayer
            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
568 e928649b Michael Niedermayer
        pkt.flags |= PKT_FLAG_KEY;
569 748c2fca Michael Niedermayer
        write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
570 85f07f22 Fabrice Bellard
    }
571
}
572
573 10d104e4 Philip Gladstone
static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
574
{
575
    AVCodecContext *dec;
576
    AVPicture *picture2;
577
    AVPicture picture_tmp;
578 0c1a9eda Zdenek Kabelac
    uint8_t *buf = 0;
579 10d104e4 Philip Gladstone
580 01f4895c Michael Niedermayer
    dec = ist->st->codec;
581 10d104e4 Philip Gladstone
582
    /* deinterlace : must be done before any resize */
583 bee0d9e5 Charles Yates
    if (do_deinterlace || using_vhook) {
584 10d104e4 Philip Gladstone
        int size;
585
586
        /* create temporary picture */
587
        size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
588
        buf = av_malloc(size);
589
        if (!buf)
590
            return;
591 115329f1 Diego Biurrun
592 10d104e4 Philip Gladstone
        picture2 = &picture_tmp;
593
        avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
594
595 dafc3856 Michael Niedermayer
        if (do_deinterlace){
596 115329f1 Diego Biurrun
            if(avpicture_deinterlace(picture2, picture,
597 dafc3856 Michael Niedermayer
                                     dec->pix_fmt, dec->width, dec->height) < 0) {
598
                /* if error, do not deinterlace */
599
                av_free(buf);
600
                buf = NULL;
601
                picture2 = picture;
602
            }
603
        } else {
604 636d6a4a Panagiotis Issaris
            av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
605 bee0d9e5 Charles Yates
        }
606 10d104e4 Philip Gladstone
    } else {
607
        picture2 = picture;
608
    }
609
610 d0f596b4 Diego Biurrun
    if (ENABLE_VHOOK)
611 390d5a7c Diego Biurrun
        frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
612
                           1000000 * ist->pts / AV_TIME_BASE);
613 10d104e4 Philip Gladstone
614
    if (picture != picture2)
615
        *picture = *picture2;
616
    *bufp = buf;
617
}
618
619 ec5517d5 Fabrice Bellard
/* we begin to correct av delay at this threshold */
620
#define AV_DELAY_MAX 0.100
621 85f07f22 Fabrice Bellard
622 115329f1 Diego Biurrun
static void do_subtitle_out(AVFormatContext *s,
623
                            AVOutputStream *ost,
624 cf7fc795 Fabrice Bellard
                            AVInputStream *ist,
625
                            AVSubtitle *sub,
626
                            int64_t pts)
627
{
628
    static uint8_t *subtitle_out = NULL;
629
    int subtitle_out_max_size = 65536;
630
    int subtitle_out_size, nb, i;
631
    AVCodecContext *enc;
632
    AVPacket pkt;
633
634
    if (pts == AV_NOPTS_VALUE) {
635
        fprintf(stderr, "Subtitle packets must have a pts\n");
636
        return;
637
    }
638
639 01f4895c Michael Niedermayer
    enc = ost->st->codec;
640 cf7fc795 Fabrice Bellard
641
    if (!subtitle_out) {
642
        subtitle_out = av_malloc(subtitle_out_max_size);
643
    }
644
645
    /* Note: DVB subtitle need one packet to draw them and one other
646
       packet to clear them */
647
    /* XXX: signal it in the codec context ? */
648
    if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
649
        nb = 2;
650
    else
651
        nb = 1;
652
653
    for(i = 0; i < nb; i++) {
654 115329f1 Diego Biurrun
        subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
655 cf7fc795 Fabrice Bellard
                                                    subtitle_out_max_size, sub);
656 115329f1 Diego Biurrun
657 cf7fc795 Fabrice Bellard
        av_init_packet(&pkt);
658
        pkt.stream_index = ost->index;
659
        pkt.data = subtitle_out;
660
        pkt.size = subtitle_out_size;
661
        pkt.pts = av_rescale_q(av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q) + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q,  ost->st->time_base);
662
        if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
663
            /* XXX: the pts correction is handled here. Maybe handling
664
               it in the codec would be better */
665
            if (i == 0)
666
                pkt.pts += 90 * sub->start_display_time;
667
            else
668
                pkt.pts += 90 * sub->end_display_time;
669
        }
670 748c2fca Michael Niedermayer
        write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
671 cf7fc795 Fabrice Bellard
    }
672
}
673
674 8a6cb114 Michael Niedermayer
static int bit_buffer_size= 1024*256;
675 27537106 Michael Niedermayer
static uint8_t *bit_buffer= NULL;
676 1ff93ffc Todd Kirby
677 115329f1 Diego Biurrun
static void do_video_out(AVFormatContext *s,
678
                         AVOutputStream *ost,
679 85f07f22 Fabrice Bellard
                         AVInputStream *ist,
680 7a0f9d7e Fabrice Bellard
                         AVFrame *in_picture,
681 986ebcdb Michael Niedermayer
                         int *frame_size)
682 85f07f22 Fabrice Bellard
{
683 ec5517d5 Fabrice Bellard
    int nb_frames, i, ret;
684 07d0cdfc Luca Abeni
    AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
685 18a54b04 Luca Abeni
    AVFrame picture_crop_temp, picture_pad_temp;
686 cfcf0ffd Fabrice Bellard
    AVCodecContext *enc, *dec;
687 115329f1 Diego Biurrun
688 a4d36c11 Michael Niedermayer
    avcodec_get_frame_defaults(&picture_crop_temp);
689 07d0cdfc Luca Abeni
    avcodec_get_frame_defaults(&picture_pad_temp);
690 a4d36c11 Michael Niedermayer
691 01f4895c Michael Niedermayer
    enc = ost->st->codec;
692
    dec = ist->st->codec;
693 85f07f22 Fabrice Bellard
694 ec5517d5 Fabrice Bellard
    /* by default, we output a single frame */
695
    nb_frames = 1;
696
697 204c0f48 Philip Gladstone
    *frame_size = 0;
698
699 986ebcdb Michael Niedermayer
    if(video_sync_method){
700 10d104e4 Philip Gladstone
        double vdelta;
701 b4a3389e Wolfram Gloger
        vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
702 e928649b Michael Niedermayer
        //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
703
        if (vdelta < -1.1)
704
            nb_frames = 0;
705
        else if (vdelta > 1.1)
706 70122f29 Michael Niedermayer
            nb_frames = lrintf(vdelta);
707 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);
708 50c3dd32 Michael Niedermayer
        if (nb_frames == 0){
709
            ++nb_frames_drop;
710
            if (verbose>2)
711
                fprintf(stderr, "*** drop!\n");
712 8300609b Michael Niedermayer
        }else if (nb_frames > 1) {
713
            nb_frames_dup += nb_frames;
714 50c3dd32 Michael Niedermayer
            if (verbose>2)
715 8300609b Michael Niedermayer
                fprintf(stderr, "*** %d dup!\n", nb_frames-1);
716 50c3dd32 Michael Niedermayer
        }
717
    }else
718 b4a3389e Wolfram Gloger
        ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
719 445f1b83 Roman Shaposhnik
720 7ca60994 Michael Niedermayer
    nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
721 115329f1 Diego Biurrun
    if (nb_frames <= 0)
722 85f07f22 Fabrice Bellard
        return;
723 ce7c56c2 Juanjo
724 07d0cdfc Luca Abeni
    if (ost->video_crop) {
725 636d6a4a Panagiotis Issaris
        if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
726 07d0cdfc Luca Abeni
            av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
727 4e780252 Limin Wang
            return;
728 07d0cdfc Luca Abeni
        }
729
        formatted_picture = &picture_crop_temp;
730 18a54b04 Luca Abeni
    } else {
731
        formatted_picture = in_picture;
732 07d0cdfc Luca Abeni
    }
733
734
    final_picture = formatted_picture;
735
    padding_src = formatted_picture;
736
    resampling_dst = &ost->pict_tmp;
737
    if (ost->video_pad) {
738
        final_picture = &ost->pict_tmp;
739
        if (ost->video_resample) {
740 636d6a4a Panagiotis Issaris
            if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
741 07d0cdfc Luca Abeni
                av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
742 4e780252 Limin Wang
                return;
743 07d0cdfc Luca Abeni
            }
744
            resampling_dst = &picture_pad_temp;
745
        }
746
    }
747
748 85f07f22 Fabrice Bellard
    if (ost->video_resample) {
749 07d0cdfc Luca Abeni
        padding_src = NULL;
750 34b10a57 Dieter
        final_picture = &ost->pict_tmp;
751 18a54b04 Luca Abeni
        sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
752
              0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
753 f122deb4 Luca Abeni
    }
754 07d0cdfc Luca Abeni
755
    if (ost->video_pad) {
756 636d6a4a Panagiotis Issaris
        av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
757 07d0cdfc Luca Abeni
                enc->height, enc->width, enc->pix_fmt,
758
                ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
759 85f07f22 Fabrice Bellard
    }
760 07d0cdfc Luca Abeni
761 85f07f22 Fabrice Bellard
    /* duplicates frame if needed */
762 ec5517d5 Fabrice Bellard
    for(i=0;i<nb_frames;i++) {
763 e928649b Michael Niedermayer
        AVPacket pkt;
764
        av_init_packet(&pkt);
765
        pkt.stream_index= ost->index;
766
767 e8750b00 Fred Rothganger
        if (s->oformat->flags & AVFMT_RAWPICTURE) {
768
            /* raw pictures are written as AVPicture structure to
769
               avoid any copies. We support temorarily the older
770
               method. */
771 2744ca9a Roman Shaposhnik
            AVFrame* old_frame = enc->coded_frame;
772 bb270c08 Diego Biurrun
            enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
773 e928649b Michael Niedermayer
            pkt.data= (uint8_t *)final_picture;
774
            pkt.size=  sizeof(AVPicture);
775 e7902f20 Michael Niedermayer
            if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
776 c0df9d75 Michael Niedermayer
                pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
777 e928649b Michael Niedermayer
            if(dec->coded_frame && dec->coded_frame->key_frame)
778
                pkt.flags |= PKT_FLAG_KEY;
779
780 748c2fca Michael Niedermayer
            write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
781 bb270c08 Diego Biurrun
            enc->coded_frame = old_frame;
782 e8750b00 Fred Rothganger
        } else {
783 492cd3a9 Michael Niedermayer
            AVFrame big_picture;
784 a4d36c11 Michael Niedermayer
785
            big_picture= *final_picture;
786 7a0f9d7e Fabrice Bellard
            /* better than nothing: use input picture interlaced
787
               settings */
788
            big_picture.interlaced_frame = in_picture->interlaced_frame;
789 23b254fb Benoit Fouet
            if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
790 bb198e19 Michael Niedermayer
                if(top_field_first == -1)
791
                    big_picture.top_field_first = in_picture->top_field_first;
792
                else
793 2a8edc5d Michael Niedermayer
                    big_picture.top_field_first = top_field_first;
794 bb198e19 Michael Niedermayer
            }
795 7a0f9d7e Fabrice Bellard
796 85f07f22 Fabrice Bellard
            /* handles sameq here. This is not correct because it may
797
               not be a global option */
798
            if (same_quality) {
799 1e491e29 Michael Niedermayer
                big_picture.quality = ist->st->quality;
800
            }else
801
                big_picture.quality = ost->st->quality;
802 f4f3223f Michael Niedermayer
            if(!me_threshold)
803
                big_picture.pict_type = 0;
804 50c3dd32 Michael Niedermayer
//            big_picture.pts = AV_NOPTS_VALUE;
805 c0df9d75 Michael Niedermayer
            big_picture.pts= ost->sync_opts;
806
//            big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
807 949b1a13 Steve L'Homme
//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
808 115329f1 Diego Biurrun
            ret = avcodec_encode_video(enc,
809 8a6cb114 Michael Niedermayer
                                       bit_buffer, bit_buffer_size,
810 1e491e29 Michael Niedermayer
                                       &big_picture);
811 4156a436 Panagiotis Issaris
            if (ret == -1) {
812
                fprintf(stderr, "Video encoding failed\n");
813
                exit(1);
814
            }
815 44429457 Juanjo
            //enc->frame_number = enc->real_pict_num;
816 4bbc6260 Michael Niedermayer
            if(ret>0){
817 27537106 Michael Niedermayer
                pkt.data= bit_buffer;
818 e928649b Michael Niedermayer
                pkt.size= ret;
819 e7902f20 Michael Niedermayer
                if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
820 c0df9d75 Michael Niedermayer
                    pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
821 949b1a13 Steve L'Homme
/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
822 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,
823
   pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
824 50c3dd32 Michael Niedermayer
825 e928649b Michael Niedermayer
                if(enc->coded_frame && enc->coded_frame->key_frame)
826
                    pkt.flags |= PKT_FLAG_KEY;
827 748c2fca Michael Niedermayer
                write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
828 e928649b Michael Niedermayer
                *frame_size = ret;
829
                //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
830
                //        enc->frame_number-1, enc->real_pict_num, ret,
831
                //        enc->pict_type);
832
                /* if two pass, output log */
833
                if (ost->logfile && enc->stats_out) {
834
                    fprintf(ost->logfile, "%s", enc->stats_out);
835
                }
836 5abdb4b1 Fabrice Bellard
            }
837 85f07f22 Fabrice Bellard
        }
838 50c3dd32 Michael Niedermayer
        ost->sync_opts++;
839 ec5517d5 Fabrice Bellard
        ost->frame_number++;
840 85f07f22 Fabrice Bellard
    }
841
}
842
843 140cb663 Michael Niedermayer
static double psnr(double d){
844
    if(d==0) return INFINITY;
845 b29f97d1 Zdenek Kabelac
    return -10.0*log(d)/log(10.0);
846 140cb663 Michael Niedermayer
}
847
848 115329f1 Diego Biurrun
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
849 ec5517d5 Fabrice Bellard
                           int frame_size)
850 ce7c56c2 Juanjo
{
851
    AVCodecContext *enc;
852
    int frame_number;
853
    double ti1, bitrate, avg_bitrate;
854 115329f1 Diego Biurrun
855 b60d1379 Stefano Sabatini
    /* this is executed just the first time do_video_stats is called */
856 4bd0c2b1 Benoit Fouet
    if (!fvstats) {
857 b60d1379 Stefano Sabatini
        fvstats = fopen(vstats_filename, "w");
858 4bd0c2b1 Benoit Fouet
        if (!fvstats) {
859
            perror("fopen");
860
            exit(1);
861
        }
862
    }
863
864 01f4895c Michael Niedermayer
    enc = ost->st->codec;
865 ce7c56c2 Juanjo
    if (enc->codec_type == CODEC_TYPE_VIDEO) {
866 ec5517d5 Fabrice Bellard
        frame_number = ost->frame_number;
867 158c7f05 Michael Niedermayer
        fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
868 140cb663 Michael Niedermayer
        if (enc->flags&CODEC_FLAG_PSNR)
869 492cd3a9 Michael Niedermayer
            fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
870 115329f1 Diego Biurrun
871 ce7c56c2 Juanjo
        fprintf(fvstats,"f_size= %6d ", frame_size);
872 ec5517d5 Fabrice Bellard
        /* compute pts value */
873 c0df9d75 Michael Niedermayer
        ti1 = ost->sync_opts * av_q2d(enc->time_base);
874 ce7c56c2 Juanjo
        if (ti1 < 0.01)
875
            ti1 = 0.01;
876 115329f1 Diego Biurrun
877 c0df9d75 Michael Niedermayer
        bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
878 1008ceb3 Michael Niedermayer
        avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
879 ce7c56c2 Juanjo
        fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
880 1008ceb3 Michael Niedermayer
            (double)video_size / 1024, ti1, bitrate, avg_bitrate);
881 115329f1 Diego Biurrun
        fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
882 ce7c56c2 Juanjo
    }
883 ec5517d5 Fabrice Bellard
}
884
885 b29f97d1 Zdenek Kabelac
static void print_report(AVFormatContext **output_files,
886 bb270c08 Diego Biurrun
                         AVOutputStream **ost_table, int nb_ostreams,
887
                         int is_last_report)
888 ec5517d5 Fabrice Bellard
{
889
    char buf[1024];
890
    AVOutputStream *ost;
891
    AVFormatContext *oc, *os;
892 0c1a9eda Zdenek Kabelac
    int64_t total_size;
893 ec5517d5 Fabrice Bellard
    AVCodecContext *enc;
894
    int frame_number, vid, i;
895
    double bitrate, ti1, pts;
896 0c1a9eda Zdenek Kabelac
    static int64_t last_time = -1;
897 0888fd22 Michael Niedermayer
    static int qp_histogram[52];
898 115329f1 Diego Biurrun
899 ec5517d5 Fabrice Bellard
    if (!is_last_report) {
900 0c1a9eda Zdenek Kabelac
        int64_t cur_time;
901 ec5517d5 Fabrice Bellard
        /* display the report every 0.5 seconds */
902
        cur_time = av_gettime();
903
        if (last_time == -1) {
904
            last_time = cur_time;
905
            return;
906 115329f1 Diego Biurrun
        }
907 ec5517d5 Fabrice Bellard
        if ((cur_time - last_time) < 500000)
908
            return;
909
        last_time = cur_time;
910
    }
911
912 ce7c56c2 Juanjo
913 ec5517d5 Fabrice Bellard
    oc = output_files[0];
914
915 859d95ba Michael Niedermayer
    total_size = url_fsize(&oc->pb);
916
    if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
917
        total_size= url_ftell(&oc->pb);
918 115329f1 Diego Biurrun
919 ec5517d5 Fabrice Bellard
    buf[0] = '\0';
920
    ti1 = 1e10;
921
    vid = 0;
922
    for(i=0;i<nb_ostreams;i++) {
923
        ost = ost_table[i];
924
        os = output_files[ost->file_index];
925 01f4895c Michael Niedermayer
        enc = ost->st->codec;
926 10d104e4 Philip Gladstone
        if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
927 0ecca7a4 Michael Niedermayer
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
928 158c7f05 Michael Niedermayer
                    enc->coded_frame->quality/(float)FF_QP2LAMBDA);
929 10d104e4 Philip Gladstone
        }
930 ec5517d5 Fabrice Bellard
        if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
931 7fc98937 Limin Wang
            float t = (av_gettime()-timer_start) / 1000000.0;
932
933 ec5517d5 Fabrice Bellard
            frame_number = ost->frame_number;
934 7fc98937 Limin Wang
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
935
                     frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
936
                     enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
937 890972be Michael Niedermayer
            if(is_last_report)
938 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
939 0888fd22 Michael Niedermayer
            if(qp_hist && enc->coded_frame){
940
                int j;
941
                int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
942
                if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
943
                    qp_histogram[qp]++;
944
                for(j=0; j<32; j++)
945
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
946
            }
947 890972be Michael Niedermayer
            if (enc->flags&CODEC_FLAG_PSNR){
948
                int j;
949
                double error, error_sum=0;
950
                double scale, scale_sum=0;
951
                char type[3]= {'Y','U','V'};
952 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
953 890972be Michael Niedermayer
                for(j=0; j<3; j++){
954
                    if(is_last_report){
955
                        error= enc->error[j];
956
                        scale= enc->width*enc->height*255.0*255.0*frame_number;
957
                    }else{
958
                        error= enc->coded_frame->error[j];
959
                        scale= enc->width*enc->height*255.0*255.0;
960
                    }
961
                    if(j) scale/=4;
962
                    error_sum += error;
963
                    scale_sum += scale;
964 0ecca7a4 Michael Niedermayer
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
965 890972be Michael Niedermayer
                }
966 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
967 890972be Michael Niedermayer
            }
968 ec5517d5 Fabrice Bellard
            vid = 1;
969
        }
970
        /* compute min output value */
971 43924f01 Alex Beregszaszi
        pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
972 5d9827bc Kareila
        if ((pts < ti1) && (pts > 0))
973 ec5517d5 Fabrice Bellard
            ti1 = pts;
974
    }
975
    if (ti1 < 0.01)
976
        ti1 = 0.01;
977 115329f1 Diego Biurrun
978 f068206e Bill Eldridge
    if (verbose || is_last_report) {
979
        bitrate = (double)(total_size * 8) / ti1 / 1000.0;
980 115329f1 Diego Biurrun
981
        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
982 ec5517d5 Fabrice Bellard
            "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
983
            (double)total_size / 1024, ti1, bitrate);
984 a6a92a9a Wolfram Gloger
985 bb270c08 Diego Biurrun
        if (verbose > 1)
986
          snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
987
                  nb_frames_dup, nb_frames_drop);
988 115329f1 Diego Biurrun
989 d8019eb5 Allen Day
        if (verbose >= 0)
990
            fprintf(stderr, "%s    \r", buf);
991
992 ec5517d5 Fabrice Bellard
        fflush(stderr);
993
    }
994 115329f1 Diego Biurrun
995 1008ceb3 Michael Niedermayer
    if (is_last_report && verbose >= 0){
996
        int64_t raw= audio_size + video_size + extra_size;
997 f068206e Bill Eldridge
        fprintf(stderr, "\n");
998 1008ceb3 Michael Niedermayer
        fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
999
                video_size/1024.0,
1000
                audio_size/1024.0,
1001
                extra_size/1024.0,
1002
                100.0*(total_size - raw)/raw
1003
        );
1004
    }
1005 ce7c56c2 Juanjo
}
1006
1007 a700a6ae Fabrice Bellard
/* pkt = NULL means EOF (needed to flush decoder buffers) */
1008
static int output_packet(AVInputStream *ist, int ist_index,
1009
                         AVOutputStream **ost_table, int nb_ostreams,
1010 4b85a28f Wolfram Gloger
                         const AVPacket *pkt)
1011 a700a6ae Fabrice Bellard
{
1012
    AVFormatContext *os;
1013
    AVOutputStream *ost;
1014
    uint8_t *ptr;
1015
    int len, ret, i;
1016
    uint8_t *data_buf;
1017
    int data_size, got_picture;
1018
    AVFrame picture;
1019
    void *buffer_to_free;
1020 f038fe8b Diego Biurrun
    static unsigned int samples_size= 0;
1021 78953e62 Michael Niedermayer
    static short *samples= NULL;
1022 cf7fc795 Fabrice Bellard
    AVSubtitle subtitle, *subtitle_to_free;
1023
    int got_subtitle;
1024 115329f1 Diego Biurrun
1025 2b18dcd0 Michael Niedermayer
    if(!pkt){
1026
        ist->pts= ist->next_pts; // needed for last packet if vsync=0
1027
    } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1028 c0df9d75 Michael Niedermayer
        ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1029 a700a6ae Fabrice Bellard
    } else {
1030 a603bf8d Michael Niedermayer
//        assert(ist->pts == ist->next_pts);
1031 a700a6ae Fabrice Bellard
    }
1032 115329f1 Diego Biurrun
1033 a700a6ae Fabrice Bellard
    if (pkt == NULL) {
1034
        /* EOF handling */
1035
        ptr = NULL;
1036
        len = 0;
1037
        goto handle_eof;
1038
    }
1039
1040
    len = pkt->size;
1041
    ptr = pkt->data;
1042
    while (len > 0) {
1043
    handle_eof:
1044
        /* decode the packet if needed */
1045
        data_buf = NULL; /* fail safe */
1046
        data_size = 0;
1047 cf7fc795 Fabrice Bellard
        subtitle_to_free = NULL;
1048 a700a6ae Fabrice Bellard
        if (ist->decoding_needed) {
1049 01f4895c Michael Niedermayer
            switch(ist->st->codec->codec_type) {
1050 df84ac2e Michael Niedermayer
            case CODEC_TYPE_AUDIO:{
1051 115329f1 Diego Biurrun
                if(pkt)
1052 5508d26b Baptiste Coudurier
                    samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1053 5d55e966 Michael Niedermayer
                data_size= samples_size;
1054 a700a6ae Fabrice Bellard
                    /* XXX: could avoid copy if PCM 16 bits with same
1055
                       endianness as CPU */
1056 5d55e966 Michael Niedermayer
                ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1057 a700a6ae Fabrice Bellard
                                           ptr, len);
1058
                if (ret < 0)
1059
                    goto fail_decode;
1060
                ptr += ret;
1061
                len -= ret;
1062
                /* Some bug in mpeg audio decoder gives */
1063
                /* data_size < 0, it seems they are overflows */
1064
                if (data_size <= 0) {
1065
                    /* no audio frame */
1066
                    continue;
1067
                }
1068
                data_buf = (uint8_t *)samples;
1069 115329f1 Diego Biurrun
                ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1070 01f4895c Michael Niedermayer
                    (ist->st->codec->sample_rate * ist->st->codec->channels);
1071 df84ac2e Michael Niedermayer
                break;}
1072 a700a6ae Fabrice Bellard
            case CODEC_TYPE_VIDEO:
1073 01f4895c Michael Niedermayer
                    data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1074 a700a6ae Fabrice Bellard
                    /* XXX: allocate picture correctly */
1075 9740beff Michael Niedermayer
                    avcodec_get_frame_defaults(&picture);
1076
1077 115329f1 Diego Biurrun
                    ret = avcodec_decode_video(ist->st->codec,
1078 a700a6ae Fabrice Bellard
                                               &picture, &got_picture, ptr, len);
1079
                    ist->st->quality= picture.quality;
1080 115329f1 Diego Biurrun
                    if (ret < 0)
1081 a700a6ae Fabrice Bellard
                        goto fail_decode;
1082
                    if (!got_picture) {
1083
                        /* no picture yet */
1084
                        goto discard_packet;
1085
                    }
1086 01f4895c Michael Niedermayer
                    if (ist->st->codec->time_base.num != 0) {
1087 115329f1 Diego Biurrun
                        ist->next_pts += ((int64_t)AV_TIME_BASE *
1088 01f4895c Michael Niedermayer
                                          ist->st->codec->time_base.num) /
1089
                            ist->st->codec->time_base.den;
1090 a700a6ae Fabrice Bellard
                    }
1091
                    len = 0;
1092
                    break;
1093 cf7fc795 Fabrice Bellard
            case CODEC_TYPE_SUBTITLE:
1094 115329f1 Diego Biurrun
                ret = avcodec_decode_subtitle(ist->st->codec,
1095 cf7fc795 Fabrice Bellard
                                              &subtitle, &got_subtitle, ptr, len);
1096
                if (ret < 0)
1097 a700a6ae Fabrice Bellard
                    goto fail_decode;
1098 cf7fc795 Fabrice Bellard
                if (!got_subtitle) {
1099
                    goto discard_packet;
1100 a700a6ae Fabrice Bellard
                }
1101 cf7fc795 Fabrice Bellard
                subtitle_to_free = &subtitle;
1102
                len = 0;
1103
                break;
1104
            default:
1105
                goto fail_decode;
1106
            }
1107
        } else {
1108 bde0705c Limin Wang
            switch(ist->st->codec->codec_type) {
1109
            case CODEC_TYPE_AUDIO:
1110
                ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1111
                    (ist->st->codec->sample_rate * ist->st->codec->channels);
1112
                break;
1113
            case CODEC_TYPE_VIDEO:
1114
                if (ist->st->codec->time_base.num != 0) {
1115
                    ist->next_pts += ((int64_t)AV_TIME_BASE *
1116
                                      ist->st->codec->time_base.num) /
1117
                        ist->st->codec->time_base.den;
1118 2fef0bdf Michael Niedermayer
                }
1119 bde0705c Limin Wang
                break;
1120 a700a6ae Fabrice Bellard
            }
1121 bde0705c Limin Wang
            data_buf = ptr;
1122
            data_size = len;
1123
            ret = len;
1124
            len = 0;
1125
        }
1126 a700a6ae Fabrice Bellard
1127 bde0705c Limin Wang
        buffer_to_free = NULL;
1128
        if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1129
            pre_process_video_frame(ist, (AVPicture *)&picture,
1130
                                    &buffer_to_free);
1131
        }
1132 a700a6ae Fabrice Bellard
1133 bde0705c Limin Wang
        // preprocess audio (volume)
1134
        if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1135
            if (audio_volume != 256) {
1136
                short *volp;
1137
                volp = samples;
1138
                for(i=0;i<(data_size / sizeof(short));i++) {
1139
                    int v = ((*volp) * audio_volume + 128) >> 8;
1140
                    if (v < -32768) v = -32768;
1141
                    if (v >  32767) v = 32767;
1142
                    *volp++ = v;
1143 7e987c33 Calcium
                }
1144
            }
1145 bde0705c Limin Wang
        }
1146 7e987c33 Calcium
1147 bde0705c Limin Wang
        /* frame rate emulation */
1148
        if (ist->st->codec->rate_emu) {
1149
            int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1150
            int64_t now = av_gettime() - ist->start;
1151
            if (pts > now)
1152
                usleep(pts - now);
1153 a700a6ae Fabrice Bellard
1154 bde0705c Limin Wang
            ist->frame++;
1155
        }
1156 a700a6ae Fabrice Bellard
1157
#if 0
1158 bde0705c Limin Wang
        /* mpeg PTS deordering : if it is a P or I frame, the PTS
1159
           is the one of the next displayed one */
1160
        /* XXX: add mpeg4 too ? */
1161
        if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1162
            if (ist->st->codec->pict_type != B_TYPE) {
1163
                int64_t tmp;
1164
                tmp = ist->last_ip_pts;
1165
                ist->last_ip_pts  = ist->frac_pts.val;
1166
                ist->frac_pts.val = tmp;
1167 a700a6ae Fabrice Bellard
            }
1168 bde0705c Limin Wang
        }
1169 a700a6ae Fabrice Bellard
#endif
1170 bde0705c Limin Wang
        /* if output time reached then transcode raw format,
1171
           encode packets and output them */
1172
        if (start_time == 0 || ist->pts >= start_time)
1173
            for(i=0;i<nb_ostreams;i++) {
1174
                int frame_size;
1175 a700a6ae Fabrice Bellard
1176 bde0705c Limin Wang
                ost = ost_table[i];
1177
                if (ost->source_index == ist_index) {
1178
                    os = output_files[ost->file_index];
1179 a700a6ae Fabrice Bellard
1180
#if 0
1181 bde0705c Limin Wang
                    printf("%d: got pts=%0.3f %0.3f\n", i,
1182
                           (double)pkt->pts / AV_TIME_BASE,
1183
                           ((double)ist->pts / AV_TIME_BASE) -
1184
                           ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1185 a700a6ae Fabrice Bellard
#endif
1186 bde0705c Limin Wang
                    /* set the input output pts pairs */
1187
                    //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1188
1189
                    if (ost->encoding_needed) {
1190
                        switch(ost->st->codec->codec_type) {
1191
                        case CODEC_TYPE_AUDIO:
1192
                            do_audio_out(os, ost, ist, data_buf, data_size);
1193
                            break;
1194
                        case CODEC_TYPE_VIDEO:
1195
                            do_video_out(os, ost, ist, &picture, &frame_size);
1196
                            video_size += frame_size;
1197 b60d1379 Stefano Sabatini
                            if (vstats_filename && frame_size)
1198 bde0705c Limin Wang
                                do_video_stats(os, ost, frame_size);
1199
                            break;
1200
                        case CODEC_TYPE_SUBTITLE:
1201
                            do_subtitle_out(os, ost, ist, &subtitle,
1202
                                            pkt->pts);
1203
                            break;
1204
                        default:
1205 0f4e8165 Ronald S. Bultje
                            abort();
1206 bde0705c Limin Wang
                        }
1207
                    } else {
1208
                        AVFrame avframe; //FIXME/XXX remove this
1209
                        AVPacket opkt;
1210
                        av_init_packet(&opkt);
1211
1212
                        /* no reencoding needed : output the packet directly */
1213
                        /* force the input stream PTS */
1214
1215
                        avcodec_get_frame_defaults(&avframe);
1216
                        ost->st->codec->coded_frame= &avframe;
1217
                        avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1218
1219
                        if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1220
                            audio_size += data_size;
1221
                        else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1222
                            video_size += data_size;
1223
                            ost->sync_opts++;
1224
                        }
1225
1226
                        opkt.stream_index= ost->index;
1227
                        if(pkt->pts != AV_NOPTS_VALUE)
1228
                            opkt.pts= av_rescale_q(av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q) + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q,  ost->st->time_base);
1229
                        else
1230
                            opkt.pts= AV_NOPTS_VALUE;
1231
1232
                        {
1233
                            int64_t dts;
1234
                            if (pkt->dts == AV_NOPTS_VALUE)
1235
                                dts = ist->next_pts;
1236 6c55b27f Michael Niedermayer
                            else
1237 bde0705c Limin Wang
                                dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1238
                            opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q,  ost->st->time_base);
1239 a700a6ae Fabrice Bellard
                        }
1240 bde0705c Limin Wang
                        opkt.flags= pkt->flags;
1241
1242
                        //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1243
                        if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1244
                            opkt.destruct= av_destruct_packet;
1245
1246
                        write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1247
                        ost->st->codec->frame_number++;
1248
                        ost->frame_number++;
1249
                        av_free_packet(&opkt);
1250 a700a6ae Fabrice Bellard
                    }
1251
                }
1252 bde0705c Limin Wang
            }
1253
        av_free(buffer_to_free);
1254
        /* XXX: allocate the subtitles in the codec ? */
1255
        if (subtitle_to_free) {
1256
            if (subtitle_to_free->rects != NULL) {
1257
                for (i = 0; i < subtitle_to_free->num_rects; i++) {
1258
                    av_free(subtitle_to_free->rects[i].bitmap);
1259
                    av_free(subtitle_to_free->rects[i].rgba_palette);
1260 c6ec28b1 Michael Niedermayer
                }
1261 bde0705c Limin Wang
                av_freep(&subtitle_to_free->rects);
1262 cf7fc795 Fabrice Bellard
            }
1263 bde0705c Limin Wang
            subtitle_to_free->num_rects = 0;
1264
            subtitle_to_free = NULL;
1265 a700a6ae Fabrice Bellard
        }
1266 bde0705c Limin Wang
    }
1267 a700a6ae Fabrice Bellard
 discard_packet:
1268 6f824977 Michael Niedermayer
    if (pkt == NULL) {
1269
        /* EOF handling */
1270 115329f1 Diego Biurrun
1271 6f824977 Michael Niedermayer
        for(i=0;i<nb_ostreams;i++) {
1272
            ost = ost_table[i];
1273
            if (ost->source_index == ist_index) {
1274 01f4895c Michael Niedermayer
                AVCodecContext *enc= ost->st->codec;
1275 6f824977 Michael Niedermayer
                os = output_files[ost->file_index];
1276 115329f1 Diego Biurrun
1277 01f4895c Michael Niedermayer
                if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1278 6f824977 Michael Niedermayer
                    continue;
1279 01f4895c Michael Niedermayer
                if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1280 6f824977 Michael Niedermayer
                    continue;
1281
1282
                if (ost->encoding_needed) {
1283
                    for(;;) {
1284
                        AVPacket pkt;
1285 cef7cc72 Justin Ruggles
                        int fifo_bytes;
1286 6f824977 Michael Niedermayer
                        av_init_packet(&pkt);
1287
                        pkt.stream_index= ost->index;
1288 115329f1 Diego Biurrun
1289 01f4895c Michael Niedermayer
                        switch(ost->st->codec->codec_type) {
1290 115329f1 Diego Biurrun
                        case CODEC_TYPE_AUDIO:
1291 f5a478f6 Roman Shaposhnik
                            fifo_bytes = av_fifo_size(&ost->fifo);
1292 cef7cc72 Justin Ruggles
                            ret = 0;
1293
                            /* encode any samples remaining in fifo */
1294
                            if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1295
                                int fs_tmp = enc->frame_size;
1296
                                enc->frame_size = fifo_bytes / (2 * enc->channels);
1297 f5a478f6 Roman Shaposhnik
                                if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1298 cef7cc72 Justin Ruggles
                                    ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1299
                                }
1300
                                enc->frame_size = fs_tmp;
1301 9e0db7d5 Michael Niedermayer
                            }
1302
                            if(ret <= 0) {
1303 cef7cc72 Justin Ruggles
                                ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1304
                            }
1305 6f824977 Michael Niedermayer
                            audio_size += ret;
1306
                            pkt.flags |= PKT_FLAG_KEY;
1307
                            break;
1308
                        case CODEC_TYPE_VIDEO:
1309 8a6cb114 Michael Niedermayer
                            ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1310 6f824977 Michael Niedermayer
                            video_size += ret;
1311
                            if(enc->coded_frame && enc->coded_frame->key_frame)
1312
                                pkt.flags |= PKT_FLAG_KEY;
1313
                            if (ost->logfile && enc->stats_out) {
1314
                                fprintf(ost->logfile, "%s", enc->stats_out);
1315
                            }
1316
                            break;
1317
                        default:
1318
                            ret=-1;
1319
                        }
1320 115329f1 Diego Biurrun
1321 6f824977 Michael Niedermayer
                        if(ret<=0)
1322
                            break;
1323 27537106 Michael Niedermayer
                        pkt.data= bit_buffer;
1324 6f824977 Michael Niedermayer
                        pkt.size= ret;
1325 e7902f20 Michael Niedermayer
                        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1326 c0df9d75 Michael Niedermayer
                            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1327 748c2fca Michael Niedermayer
                        write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1328 6f824977 Michael Niedermayer
                    }
1329
                }
1330
            }
1331
        }
1332
    }
1333 115329f1 Diego Biurrun
1334 a700a6ae Fabrice Bellard
    return 0;
1335
 fail_decode:
1336
    return -1;
1337
}
1338
1339
1340 85f07f22 Fabrice Bellard
/*
1341
 * The following code is the main loop of the file converter
1342
 */
1343
static int av_encode(AVFormatContext **output_files,
1344
                     int nb_output_files,
1345
                     AVFormatContext **input_files,
1346
                     int nb_input_files,
1347
                     AVStreamMap *stream_maps, int nb_stream_maps)
1348
{
1349 445f1b83 Roman Shaposhnik
    int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1350 85f07f22 Fabrice Bellard
    AVFormatContext *is, *os;
1351
    AVCodecContext *codec, *icodec;
1352
    AVOutputStream *ost, **ost_table = NULL;
1353
    AVInputStream *ist, **ist_table = NULL;
1354 bdc4796f Fabrice Bellard
    AVInputFile *file_table;
1355 cb09b2ed Philip Gladstone
    int key;
1356 bdc4796f Fabrice Bellard
1357 51bd4565 Philip Gladstone
    file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1358 bdc4796f Fabrice Bellard
    if (!file_table)
1359
        goto fail;
1360 115329f1 Diego Biurrun
1361 85f07f22 Fabrice Bellard
    /* input stream init */
1362
    j = 0;
1363
    for(i=0;i<nb_input_files;i++) {
1364
        is = input_files[i];
1365
        file_table[i].ist_index = j;
1366 79fdaa4c Fabrice Bellard
        file_table[i].nb_streams = is->nb_streams;
1367 85f07f22 Fabrice Bellard
        j += is->nb_streams;
1368
    }
1369
    nb_istreams = j;
1370
1371
    ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1372
    if (!ist_table)
1373 bdc4796f Fabrice Bellard
        goto fail;
1374 115329f1 Diego Biurrun
1375 85f07f22 Fabrice Bellard
    for(i=0;i<nb_istreams;i++) {
1376
        ist = av_mallocz(sizeof(AVInputStream));
1377
        if (!ist)
1378
            goto fail;
1379
        ist_table[i] = ist;
1380
    }
1381
    j = 0;
1382
    for(i=0;i<nb_input_files;i++) {
1383
        is = input_files[i];
1384
        for(k=0;k<is->nb_streams;k++) {
1385
            ist = ist_table[j++];
1386
            ist->st = is->streams[k];
1387
            ist->file_index = i;
1388
            ist->index = k;
1389
            ist->discard = 1; /* the stream is discarded by default
1390
                                 (changed later) */
1391 bdfcbbed Max Krasnyansky
1392 01f4895c Michael Niedermayer
            if (ist->st->codec->rate_emu) {
1393 bdfcbbed Max Krasnyansky
                ist->start = av_gettime();
1394
                ist->frame = 0;
1395
            }
1396 85f07f22 Fabrice Bellard
        }
1397
    }
1398
1399
    /* output stream init */
1400
    nb_ostreams = 0;
1401
    for(i=0;i<nb_output_files;i++) {
1402
        os = output_files[i];
1403 8a7bde1c Baptiste Coudurier
        if (!os->nb_streams) {
1404
            fprintf(stderr, "Output file does not contain any stream\n");
1405
            exit(1);
1406
        }
1407 85f07f22 Fabrice Bellard
        nb_ostreams += os->nb_streams;
1408
    }
1409
    if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1410
        fprintf(stderr, "Number of stream maps must match number of output streams\n");
1411
        exit(1);
1412
    }
1413
1414 bd073980 Brian Foley
    /* Sanity check the mapping args -- do the input files & streams exist? */
1415
    for(i=0;i<nb_stream_maps;i++) {
1416
        int fi = stream_maps[i].file_index;
1417
        int si = stream_maps[i].stream_index;
1418 115329f1 Diego Biurrun
1419 bd073980 Brian Foley
        if (fi < 0 || fi > nb_input_files - 1 ||
1420
            si < 0 || si > file_table[fi].nb_streams - 1) {
1421
            fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1422
            exit(1);
1423
        }
1424 b4a3389e Wolfram Gloger
        fi = stream_maps[i].sync_file_index;
1425
        si = stream_maps[i].sync_stream_index;
1426
        if (fi < 0 || fi > nb_input_files - 1 ||
1427
            si < 0 || si > file_table[fi].nb_streams - 1) {
1428
            fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1429
            exit(1);
1430
        }
1431 bd073980 Brian Foley
    }
1432 115329f1 Diego Biurrun
1433 85f07f22 Fabrice Bellard
    ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1434
    if (!ost_table)
1435
        goto fail;
1436
    for(i=0;i<nb_ostreams;i++) {
1437
        ost = av_mallocz(sizeof(AVOutputStream));
1438
        if (!ost)
1439
            goto fail;
1440
        ost_table[i] = ost;
1441
    }
1442 115329f1 Diego Biurrun
1443 85f07f22 Fabrice Bellard
    n = 0;
1444
    for(k=0;k<nb_output_files;k++) {
1445
        os = output_files[k];
1446
        for(i=0;i<os->nb_streams;i++) {
1447
            int found;
1448
            ost = ost_table[n++];
1449
            ost->file_index = k;
1450
            ost->index = i;
1451
            ost->st = os->streams[i];
1452
            if (nb_stream_maps > 0) {
1453 115329f1 Diego Biurrun
                ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1454 85f07f22 Fabrice Bellard
                    stream_maps[n-1].stream_index;
1455 115329f1 Diego Biurrun
1456 bd073980 Brian Foley
                /* Sanity check that the stream types match */
1457 01f4895c Michael Niedermayer
                if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1458 bd073980 Brian Foley
                    fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1459
                        stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1460
                        ost->file_index, ost->index);
1461
                    exit(1);
1462
                }
1463 115329f1 Diego Biurrun
1464 85f07f22 Fabrice Bellard
            } else {
1465
                /* get corresponding input stream index : we select the first one with the right type */
1466
                found = 0;
1467
                for(j=0;j<nb_istreams;j++) {
1468
                    ist = ist_table[j];
1469 115329f1 Diego Biurrun
                    if (ist->discard &&
1470 01f4895c Michael Niedermayer
                        ist->st->codec->codec_type == ost->st->codec->codec_type) {
1471 85f07f22 Fabrice Bellard
                        ost->source_index = j;
1472
                        found = 1;
1473 c19e76ce Nathan Kurz
                        break;
1474 85f07f22 Fabrice Bellard
                    }
1475
                }
1476 115329f1 Diego Biurrun
1477 85f07f22 Fabrice Bellard
                if (!found) {
1478
                    /* try again and reuse existing stream */
1479
                    for(j=0;j<nb_istreams;j++) {
1480
                        ist = ist_table[j];
1481 01f4895c Michael Niedermayer
                        if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1482 85f07f22 Fabrice Bellard
                            ost->source_index = j;
1483
                            found = 1;
1484
                        }
1485
                    }
1486
                    if (!found) {
1487
                        fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1488
                                ost->file_index, ost->index);
1489
                        exit(1);
1490
                    }
1491
                }
1492
            }
1493
            ist = ist_table[ost->source_index];
1494
            ist->discard = 0;
1495 b4a3389e Wolfram Gloger
            ost->sync_ist = (nb_stream_maps > 0) ?
1496
                ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1497
                         stream_maps[n-1].sync_stream_index] : ist;
1498 85f07f22 Fabrice Bellard
        }
1499
    }
1500
1501
    /* for each output stream, we compute the right encoding parameters */
1502
    for(i=0;i<nb_ostreams;i++) {
1503
        ost = ost_table[i];
1504
        ist = ist_table[ost->source_index];
1505
1506 01f4895c Michael Niedermayer
        codec = ost->st->codec;
1507
        icodec = ist->st->codec;
1508 85f07f22 Fabrice Bellard
1509 1629626f Fabrice Bellard
        if (ost->st->stream_copy) {
1510
            /* if stream_copy is selected, no need to decode or encode */
1511
            codec->codec_id = icodec->codec_id;
1512
            codec->codec_type = icodec->codec_type;
1513 b2a2197e Michael Niedermayer
            if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1514 1629626f Fabrice Bellard
            codec->bit_rate = icodec->bit_rate;
1515 dffbfd06 Michael Niedermayer
            codec->extradata= icodec->extradata;
1516
            codec->extradata_size= icodec->extradata_size;
1517 4408e75e Michael Niedermayer
            if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1518 d29de719 Michael Niedermayer
                codec->time_base = icodec->time_base;
1519
            else
1520
                codec->time_base = ist->st->time_base;
1521 1629626f Fabrice Bellard
            switch(codec->codec_type) {
1522
            case CODEC_TYPE_AUDIO:
1523
                codec->sample_rate = icodec->sample_rate;
1524
                codec->channels = icodec->channels;
1525 0a3b0447 Michael Niedermayer
                codec->frame_size = icodec->frame_size;
1526 c1344911 Michael Niedermayer
                codec->block_align= icodec->block_align;
1527 1629626f Fabrice Bellard
                break;
1528
            case CODEC_TYPE_VIDEO:
1529 8d74e55b Matthijs Douze
                if(using_vhook) {
1530
                    fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1531
                    exit(1);
1532
                }
1533 9df3437f Baptiste Coudurier
                codec->pix_fmt = icodec->pix_fmt;
1534 1629626f Fabrice Bellard
                codec->width = icodec->width;
1535
                codec->height = icodec->height;
1536 ff8cc24b Michael Niedermayer
                codec->has_b_frames = icodec->has_b_frames;
1537 1629626f Fabrice Bellard
                break;
1538 cf7fc795 Fabrice Bellard
            case CODEC_TYPE_SUBTITLE:
1539
                break;
1540 1629626f Fabrice Bellard
            default:
1541 0f4e8165 Ronald S. Bultje
                abort();
1542 1629626f Fabrice Bellard
            }
1543
        } else {
1544
            switch(codec->codec_type) {
1545
            case CODEC_TYPE_AUDIO:
1546 f5a478f6 Roman Shaposhnik
                if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1547 85f07f22 Fabrice Bellard
                    goto fail;
1548 115329f1 Diego Biurrun
1549 85f07f22 Fabrice Bellard
                if (codec->channels == icodec->channels &&
1550
                    codec->sample_rate == icodec->sample_rate) {
1551
                    ost->audio_resample = 0;
1552
                } else {
1553 e0d2714a Juanjo
                    if (codec->channels != icodec->channels &&
1554 23c99253 Michael Niedermayer
                        (icodec->codec_id == CODEC_ID_AC3 ||
1555
                         icodec->codec_id == CODEC_ID_DTS)) {
1556
                        /* Special case for 5:1 AC3 and DTS input */
1557 e0d2714a Juanjo
                        /* and mono or stereo output      */
1558 6dc96cb0 Juanjo
                        /* Request specific number of channels */
1559
                        icodec->channels = codec->channels;
1560
                        if (codec->sample_rate == icodec->sample_rate)
1561
                            ost->audio_resample = 0;
1562
                        else {
1563
                            ost->audio_resample = 1;
1564
                        }
1565 e0d2714a Juanjo
                    } else {
1566 115329f1 Diego Biurrun
                        ost->audio_resample = 1;
1567 986ebcdb Michael Niedermayer
                    }
1568
                }
1569 ff4905a5 Michael Niedermayer
                if(audio_sync_method>1)
1570 986ebcdb Michael Niedermayer
                    ost->audio_resample = 1;
1571
1572
                if(ost->audio_resample){
1573
                    ost->resample = audio_resample_init(codec->channels, icodec->channels,
1574
                                                    codec->sample_rate, icodec->sample_rate);
1575
                    if(!ost->resample){
1576
                        printf("Can't resample.  Aborting.\n");
1577 0f4e8165 Ronald S. Bultje
                        abort();
1578 e0d2714a Juanjo
                    }
1579 85f07f22 Fabrice Bellard
                }
1580
                ist->decoding_needed = 1;
1581
                ost->encoding_needed = 1;
1582 1629626f Fabrice Bellard
                break;
1583
            case CODEC_TYPE_VIDEO:
1584 c3f11d19 Luca Abeni
                ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1585
                ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1586
                ost->video_resample = ((codec->width != icodec->width -
1587
                                (frame_leftBand + frame_rightBand) +
1588
                                (frame_padleft + frame_padright)) ||
1589
                        (codec->height != icodec->height -
1590
                                (frame_topBand  + frame_bottomBand) +
1591 18a54b04 Luca Abeni
                                (frame_padtop + frame_padbottom)) ||
1592
                        (codec->pix_fmt != icodec->pix_fmt));
1593 c3f11d19 Luca Abeni
                if (ost->video_crop) {
1594 34b10a57 Dieter
                    ost->topBand = frame_topBand;
1595
                    ost->leftBand = frame_leftBand;
1596 c3f11d19 Luca Abeni
                }
1597
                if (ost->video_pad) {
1598 1ff93ffc Todd Kirby
                    ost->padtop = frame_padtop;
1599
                    ost->padleft = frame_padleft;
1600
                    ost->padbottom = frame_padbottom;
1601
                    ost->padright = frame_padright;
1602 c3f11d19 Luca Abeni
                    if (!ost->video_resample) {
1603
                        avcodec_get_frame_defaults(&ost->pict_tmp);
1604
                        if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1605
                                         codec->width, codec->height ) )
1606
                            goto fail;
1607
                    }
1608
                }
1609
                if (ost->video_resample) {
1610 2de28abb Michael Niedermayer
                    avcodec_get_frame_defaults(&ost->pict_tmp);
1611 18a54b04 Luca Abeni
                    if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1612 eddc482d Baptiste Coudurier
                                         codec->width, codec->height ) ) {
1613
                        fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1614 7a168618 Luca Abeni
                        exit(1);
1615 eddc482d Baptiste Coudurier
                    }
1616 9de8e6ac Ronald S. Bultje
                    sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1617 18a54b04 Luca Abeni
                    ost->img_resample_ctx = sws_getContext(
1618
                            icodec->width - (frame_leftBand + frame_rightBand),
1619
                            icodec->height - (frame_topBand + frame_bottomBand),
1620
                            icodec->pix_fmt,
1621 07d0cdfc Luca Abeni
                            codec->width - (frame_padleft + frame_padright),
1622
                            codec->height - (frame_padtop + frame_padbottom),
1623 18a54b04 Luca Abeni
                            codec->pix_fmt,
1624
                            sws_flags, NULL, NULL, NULL);
1625 0b50ac8a Luca Abeni
                    if (ost->img_resample_ctx == NULL) {
1626
                        fprintf(stderr, "Cannot get resampling context\n");
1627
                        exit(1);
1628
                    }
1629 18a54b04 Luca Abeni
                    ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1630 85f07f22 Fabrice Bellard
                }
1631
                ost->encoding_needed = 1;
1632
                ist->decoding_needed = 1;
1633 1629626f Fabrice Bellard
                break;
1634 cf7fc795 Fabrice Bellard
            case CODEC_TYPE_SUBTITLE:
1635
                ost->encoding_needed = 1;
1636
                ist->decoding_needed = 1;
1637
                break;
1638 1629626f Fabrice Bellard
            default:
1639 0f4e8165 Ronald S. Bultje
                abort();
1640 cf7fc795 Fabrice Bellard
                break;
1641 85f07f22 Fabrice Bellard
            }
1642 1629626f Fabrice Bellard
            /* two pass mode */
1643 115329f1 Diego Biurrun
            if (ost->encoding_needed &&
1644 1629626f Fabrice Bellard
                (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1645
                char logfilename[1024];
1646
                FILE *f;
1647
                int size;
1648
                char *logbuffer;
1649 115329f1 Diego Biurrun
1650
                snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1651
                         pass_logfilename ?
1652 1629626f Fabrice Bellard
                         pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1653
                if (codec->flags & CODEC_FLAG_PASS1) {
1654
                    f = fopen(logfilename, "w");
1655
                    if (!f) {
1656
                        perror(logfilename);
1657
                        exit(1);
1658
                    }
1659
                    ost->logfile = f;
1660
                } else {
1661
                    /* read the log file */
1662
                    f = fopen(logfilename, "r");
1663
                    if (!f) {
1664
                        perror(logfilename);
1665
                        exit(1);
1666
                    }
1667
                    fseek(f, 0, SEEK_END);
1668
                    size = ftell(f);
1669
                    fseek(f, 0, SEEK_SET);
1670
                    logbuffer = av_malloc(size + 1);
1671
                    if (!logbuffer) {
1672
                        fprintf(stderr, "Could not allocate log buffer\n");
1673
                        exit(1);
1674
                    }
1675 4776fa92 Gael Chardon
                    size = fread(logbuffer, 1, size, f);
1676 1629626f Fabrice Bellard
                    fclose(f);
1677
                    logbuffer[size] = '\0';
1678
                    codec->stats_in = logbuffer;
1679 5abdb4b1 Fabrice Bellard
                }
1680
            }
1681
        }
1682 8a6cb114 Michael Niedermayer
        if(codec->codec_type == CODEC_TYPE_VIDEO){
1683
            int size= codec->width * codec->height;
1684
            bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1685
        }
1686 85f07f22 Fabrice Bellard
    }
1687
1688 8a6cb114 Michael Niedermayer
    if (!bit_buffer)
1689
        bit_buffer = av_malloc(bit_buffer_size);
1690
    if (!bit_buffer)
1691
        goto fail;
1692
1693 1629626f Fabrice Bellard
    /* dump the file output parameters - cannot be done before in case
1694
       of stream copy */
1695
    for(i=0;i<nb_output_files;i++) {
1696
        dump_format(output_files[i], i, output_files[i]->filename, 1);
1697
    }
1698
1699
    /* dump the stream mapping */
1700 d8019eb5 Allen Day
    if (verbose >= 0) {
1701
        fprintf(stderr, "Stream mapping:\n");
1702
        for(i=0;i<nb_ostreams;i++) {
1703
            ost = ost_table[i];
1704 b4a3389e Wolfram Gloger
            fprintf(stderr, "  Stream #%d.%d -> #%d.%d",
1705 d8019eb5 Allen Day
                    ist_table[ost->source_index]->file_index,
1706
                    ist_table[ost->source_index]->index,
1707 115329f1 Diego Biurrun
                    ost->file_index,
1708 d8019eb5 Allen Day
                    ost->index);
1709 b4a3389e Wolfram Gloger
            if (ost->sync_ist != ist_table[ost->source_index])
1710
                fprintf(stderr, " [sync #%d.%d]",
1711
                        ost->sync_ist->file_index,
1712
                        ost->sync_ist->index);
1713
            fprintf(stderr, "\n");
1714 d8019eb5 Allen Day
        }
1715 1629626f Fabrice Bellard
    }
1716
1717 85f07f22 Fabrice Bellard
    /* open each encoder */
1718
    for(i=0;i<nb_ostreams;i++) {
1719
        ost = ost_table[i];
1720
        if (ost->encoding_needed) {
1721
            AVCodec *codec;
1722 01f4895c Michael Niedermayer
            codec = avcodec_find_encoder(ost->st->codec->codec_id);
1723 85f07f22 Fabrice Bellard
            if (!codec) {
1724 115329f1 Diego Biurrun
                fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1725 85f07f22 Fabrice Bellard
                        ost->file_index, ost->index);
1726
                exit(1);
1727
            }
1728 01f4895c Michael Niedermayer
            if (avcodec_open(ost->st->codec, codec) < 0) {
1729 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",
1730 85f07f22 Fabrice Bellard
                        ost->file_index, ost->index);
1731
                exit(1);
1732
            }
1733 01f4895c Michael Niedermayer
            extra_size += ost->st->codec->extradata_size;
1734 85f07f22 Fabrice Bellard
        }
1735
    }
1736
1737
    /* open each decoder */
1738
    for(i=0;i<nb_istreams;i++) {
1739
        ist = ist_table[i];
1740
        if (ist->decoding_needed) {
1741
            AVCodec *codec;
1742 01f4895c Michael Niedermayer
            codec = avcodec_find_decoder(ist->st->codec->codec_id);
1743 85f07f22 Fabrice Bellard
            if (!codec) {
1744 115329f1 Diego Biurrun
                fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1745 01f4895c Michael Niedermayer
                        ist->st->codec->codec_id, ist->file_index, ist->index);
1746 85f07f22 Fabrice Bellard
                exit(1);
1747
            }
1748 01f4895c Michael Niedermayer
            if (avcodec_open(ist->st->codec, codec) < 0) {
1749 115329f1 Diego Biurrun
                fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1750 85f07f22 Fabrice Bellard
                        ist->file_index, ist->index);
1751
                exit(1);
1752
            }
1753 01f4895c Michael Niedermayer
            //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1754
            //    ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1755 85f07f22 Fabrice Bellard
        }
1756
    }
1757
1758
    /* init pts */
1759
    for(i=0;i<nb_istreams;i++) {
1760
        ist = ist_table[i];
1761 bb270c08 Diego Biurrun
        is = input_files[ist->file_index];
1762 e7d0374f Roman Shaposhnik
        ist->pts = 0;
1763 c0df9d75 Michael Niedermayer
        ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1764 115329f1 Diego Biurrun
        if(ist->st->start_time == AV_NOPTS_VALUE)
1765 bd1b79a1 Michael Niedermayer
            ist->next_pts=0;
1766 fdb86eb1 Michael Niedermayer
        if(input_files_ts_offset[ist->file_index])
1767
            ist->next_pts= AV_NOPTS_VALUE;
1768 ff4905a5 Michael Niedermayer
        ist->is_start = 1;
1769 85f07f22 Fabrice Bellard
    }
1770 bd1b79a1 Michael Niedermayer
1771 0a38bafd Patrice Bensoussan
    /* set meta data information from input file if required */
1772
    for (i=0;i<nb_meta_data_maps;i++) {
1773
        AVFormatContext *out_file;
1774
        AVFormatContext *in_file;
1775
1776
        int out_file_index = meta_data_maps[i].out_file;
1777
        int in_file_index = meta_data_maps[i].in_file;
1778
        if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1779
            fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1780 8fa36ae0 François Revol
            ret = AVERROR(EINVAL);
1781 0a38bafd Patrice Bensoussan
            goto fail;
1782
        }
1783
        if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1784
            fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1785 8fa36ae0 François Revol
            ret = AVERROR(EINVAL);
1786 0a38bafd Patrice Bensoussan
            goto fail;
1787 115329f1 Diego Biurrun
        }
1788
1789 0a38bafd Patrice Bensoussan
        out_file = output_files[out_file_index];
1790
        in_file = input_files[in_file_index];
1791
1792
        strcpy(out_file->title, in_file->title);
1793
        strcpy(out_file->author, in_file->author);
1794
        strcpy(out_file->copyright, in_file->copyright);
1795
        strcpy(out_file->comment, in_file->comment);
1796
        strcpy(out_file->album, in_file->album);
1797
        out_file->year = in_file->year;
1798
        out_file->track = in_file->track;
1799
        strcpy(out_file->genre, in_file->genre);
1800
    }
1801 115329f1 Diego Biurrun
1802 85f07f22 Fabrice Bellard
    /* open files and write file headers */
1803
    for(i=0;i<nb_output_files;i++) {
1804
        os = output_files[i];
1805 79fdaa4c Fabrice Bellard
        if (av_write_header(os) < 0) {
1806 65bf3c53 Michael Niedermayer
            fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1807 8fa36ae0 François Revol
            ret = AVERROR(EINVAL);
1808 a38469e1 Fabrice Bellard
            goto fail;
1809
        }
1810 85f07f22 Fabrice Bellard
    }
1811
1812 d8019eb5 Allen Day
    if ( !using_stdin && verbose >= 0) {
1813 d9a916e2 Charles Yates
        fprintf(stderr, "Press [q] to stop encoding\n");
1814 b51469a0 Leon van Stuivenberg
        url_set_interrupt_cb(decode_interrupt_cb);
1815
    }
1816 a38469e1 Fabrice Bellard
    term_init();
1817
1818 cb09b2ed Philip Gladstone
    key = -1;
1819 7fc98937 Limin Wang
    timer_start = av_gettime();
1820 51bd4565 Philip Gladstone
1821 d9a916e2 Charles Yates
    for(; received_sigterm == 0;) {
1822 85f07f22 Fabrice Bellard
        int file_index, ist_index;
1823
        AVPacket pkt;
1824 a9aeda81 Patrice Bensoussan
        double ipts_min;
1825
        double opts_min;
1826 23ffe323 Michael Niedermayer
1827 85f07f22 Fabrice Bellard
    redo:
1828 a9aeda81 Patrice Bensoussan
        ipts_min= 1e100;
1829
        opts_min= 1e100;
1830 a38469e1 Fabrice Bellard
        /* if 'q' pressed, exits */
1831 d9a916e2 Charles Yates
        if (!using_stdin) {
1832 b51469a0 Leon van Stuivenberg
            if (q_pressed)
1833
                break;
1834 cb09b2ed Philip Gladstone
            /* read_key() returns 0 on EOF */
1835
            key = read_key();
1836
            if (key == 'q')
1837
                break;
1838
        }
1839 a38469e1 Fabrice Bellard
1840 ec5517d5 Fabrice Bellard
        /* select the stream that we must read now by looking at the
1841
           smallest output pts */
1842 85f07f22 Fabrice Bellard
        file_index = -1;
1843 ec5517d5 Fabrice Bellard
        for(i=0;i<nb_ostreams;i++) {
1844 23ffe323 Michael Niedermayer
            double ipts, opts;
1845 ec5517d5 Fabrice Bellard
            ost = ost_table[i];
1846
            os = output_files[ost->file_index];
1847
            ist = ist_table[ost->source_index];
1848 01f4895c Michael Niedermayer
            if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1849
                opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1850 23ffe323 Michael Niedermayer
            else
1851 c0df9d75 Michael Niedermayer
                opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1852 23ffe323 Michael Niedermayer
            ipts = (double)ist->pts;
1853
            if (!file_table[ist->file_index].eof_reached){
1854
                if(ipts < ipts_min) {
1855
                    ipts_min = ipts;
1856
                    if(input_sync ) file_index = ist->file_index;
1857
                }
1858
                if(opts < opts_min) {
1859
                    opts_min = opts;
1860
                    if(!input_sync) file_index = ist->file_index;
1861
                }
1862 85f07f22 Fabrice Bellard
            }
1863 01f4895c Michael Niedermayer
            if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1864 7ca60994 Michael Niedermayer
                file_index= -1;
1865
                break;
1866
            }
1867 85f07f22 Fabrice Bellard
        }
1868
        /* if none, if is finished */
1869 51bd4565 Philip Gladstone
        if (file_index < 0) {
1870 85f07f22 Fabrice Bellard
            break;
1871 ec5517d5 Fabrice Bellard
        }
1872
1873 85f07f22 Fabrice Bellard
        /* finish if recording time exhausted */
1874 23ffe323 Michael Niedermayer
        if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1875 85f07f22 Fabrice Bellard
            break;
1876 ec5517d5 Fabrice Bellard
1877 b6e16b86 Calcium
        /* finish if limit size exhausted */
1878 f9645d7c Baptiste Coudurier
        if (limit_filesize != 0 && limit_filesize < url_ftell(&output_files[0]->pb))
1879 b6e16b86 Calcium
            break;
1880
1881 254abc2e Fabrice Bellard
        /* read a frame from it and output it in the fifo */
1882 85f07f22 Fabrice Bellard
        is = input_files[file_index];
1883 254abc2e Fabrice Bellard
        if (av_read_frame(is, &pkt) < 0) {
1884 85f07f22 Fabrice Bellard
            file_table[file_index].eof_reached = 1;
1885 d24ce947 Alex Beregszaszi
            if (opt_shortest)
1886
                break;
1887
            else
1888
                continue;
1889 85f07f22 Fabrice Bellard
        }
1890 303e50e6 Michael Niedermayer
1891 254abc2e Fabrice Bellard
        if (do_pkt_dump) {
1892 750f0e1f Panagiotis Issaris
            av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1893 817b23ff Fabrice Bellard
        }
1894 79fdaa4c Fabrice Bellard
        /* the following test is needed in case new streams appear
1895
           dynamically in stream : we ignore them */
1896
        if (pkt.stream_index >= file_table[file_index].nb_streams)
1897 bf5af568 Fabrice Bellard
            goto discard_packet;
1898 85f07f22 Fabrice Bellard
        ist_index = file_table[file_index].ist_index + pkt.stream_index;
1899
        ist = ist_table[ist_index];
1900 bf5af568 Fabrice Bellard
        if (ist->discard)
1901
            goto discard_packet;
1902 85f07f22 Fabrice Bellard
1903 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);
1904 fdb86eb1 Michael Niedermayer
        if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1905 c0df9d75 Michael Niedermayer
            int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
1906 c26abfa5 Diego Biurrun
            if(FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE && !copy_ts){
1907 72bd8100 Michael Niedermayer
                input_files_ts_offset[ist->file_index]-= delta;
1908
                if (verbose > 2)
1909 4733abcb Måns Rullgård
                    fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1910 72bd8100 Michael Niedermayer
                for(i=0; i<file_table[file_index].nb_streams; i++){
1911
                    int index= file_table[file_index].ist_index + i;
1912
                    ist_table[index]->next_pts += delta;
1913 ff4905a5 Michael Niedermayer
                    ist_table[index]->is_start=1;
1914 72bd8100 Michael Niedermayer
                }
1915
            }
1916
        }
1917
1918 8831db5c Michael Niedermayer
        //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1919 a700a6ae Fabrice Bellard
        if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1920 d8019eb5 Allen Day
1921
            if (verbose >= 0)
1922
                fprintf(stderr, "Error while decoding stream #%d.%d\n",
1923
                        ist->file_index, ist->index);
1924
1925 a700a6ae Fabrice Bellard
            av_free_packet(&pkt);
1926
            goto redo;
1927 fe08925f Michael Niedermayer
        }
1928 cf7fc795 Fabrice Bellard
1929 bf5af568 Fabrice Bellard
    discard_packet:
1930 85f07f22 Fabrice Bellard
        av_free_packet(&pkt);
1931 115329f1 Diego Biurrun
1932 ec5517d5 Fabrice Bellard
        /* dump report by using the output first video and audio streams */
1933
        print_report(output_files, ost_table, nb_ostreams, 0);
1934 85f07f22 Fabrice Bellard
    }
1935 a700a6ae Fabrice Bellard
1936
    /* at the end of stream, we must flush the decoder buffers */
1937
    for(i=0;i<nb_istreams;i++) {
1938
        ist = ist_table[i];
1939
        if (ist->decoding_needed) {
1940
            output_packet(ist, i, ost_table, nb_ostreams, NULL);
1941
        }
1942
    }
1943
1944 a38469e1 Fabrice Bellard
    term_exit();
1945 85f07f22 Fabrice Bellard
1946 c4e37247 Michael Niedermayer
    /* write the trailer if needed and close file */
1947
    for(i=0;i<nb_output_files;i++) {
1948
        os = output_files[i];
1949
        av_write_trailer(os);
1950
    }
1951
1952 37f5cd5a Michael Niedermayer
    /* dump report by using the first video and audio streams */
1953
    print_report(output_files, ost_table, nb_ostreams, 1);
1954
1955 85f07f22 Fabrice Bellard
    /* close each encoder */
1956
    for(i=0;i<nb_ostreams;i++) {
1957
        ost = ost_table[i];
1958
        if (ost->encoding_needed) {
1959 01f4895c Michael Niedermayer
            av_freep(&ost->st->codec->stats_in);
1960
            avcodec_close(ost->st->codec);
1961 85f07f22 Fabrice Bellard
        }
1962
    }
1963 115329f1 Diego Biurrun
1964 85f07f22 Fabrice Bellard
    /* close each decoder */
1965
    for(i=0;i<nb_istreams;i++) {
1966
        ist = ist_table[i];
1967
        if (ist->decoding_needed) {
1968 01f4895c Michael Niedermayer
            avcodec_close(ist->st->codec);
1969 85f07f22 Fabrice Bellard
        }
1970
    }
1971
1972
    /* finished ! */
1973 115329f1 Diego Biurrun
1974 85f07f22 Fabrice Bellard
    ret = 0;
1975
 fail1:
1976 83b07470 Michael Niedermayer
    av_freep(&bit_buffer);
1977 0f1578af Fabrice Bellard
    av_free(file_table);
1978 bdc4796f Fabrice Bellard
1979 85f07f22 Fabrice Bellard
    if (ist_table) {
1980
        for(i=0;i<nb_istreams;i++) {
1981
            ist = ist_table[i];
1982 0f1578af Fabrice Bellard
            av_free(ist);
1983 85f07f22 Fabrice Bellard
        }
1984 0f1578af Fabrice Bellard
        av_free(ist_table);
1985 85f07f22 Fabrice Bellard
    }
1986
    if (ost_table) {
1987
        for(i=0;i<nb_ostreams;i++) {
1988
            ost = ost_table[i];
1989
            if (ost) {
1990 5abdb4b1 Fabrice Bellard
                if (ost->logfile) {
1991
                    fclose(ost->logfile);
1992
                    ost->logfile = NULL;
1993
                }
1994 f5a478f6 Roman Shaposhnik
                av_fifo_free(&ost->fifo); /* works even if fifo is not
1995
                                             initialized but set to zero */
1996 0f1578af Fabrice Bellard
                av_free(ost->pict_tmp.data[0]);
1997 85f07f22 Fabrice Bellard
                if (ost->video_resample)
1998 18a54b04 Luca Abeni
                    sws_freeContext(ost->img_resample_ctx);
1999 85f07f22 Fabrice Bellard
                if (ost->audio_resample)
2000
                    audio_resample_close(ost->resample);
2001 0f1578af Fabrice Bellard
                av_free(ost);
2002 85f07f22 Fabrice Bellard
            }
2003
        }
2004 0f1578af Fabrice Bellard
        av_free(ost_table);
2005 85f07f22 Fabrice Bellard
    }
2006
    return ret;
2007
 fail:
2008 8fa36ae0 François Revol
    ret = AVERROR(ENOMEM);
2009 85f07f22 Fabrice Bellard
    goto fail1;
2010
}
2011
2012
#if 0
2013
int file_read(const char *filename)
2014
{
2015
    URLContext *h;
2016
    unsigned char buffer[1024];
2017
    int len, i;
2018

2019
    if (url_open(&h, filename, O_RDONLY) < 0) {
2020
        printf("could not open '%s'\n", filename);
2021
        return -1;
2022
    }
2023
    for(;;) {
2024
        len = url_read(h, buffer, sizeof(buffer));
2025
        if (len <= 0)
2026
            break;
2027
        for(i=0;i<len;i++) putchar(buffer[i]);
2028
    }
2029
    url_close(h);
2030
    return 0;
2031
}
2032
#endif
2033
2034 b29f97d1 Zdenek Kabelac
static void opt_format(const char *arg)
2035 85f07f22 Fabrice Bellard
{
2036 817b23ff Fabrice Bellard
    /* compatibility stuff for pgmyuv */
2037
    if (!strcmp(arg, "pgmyuv")) {
2038 5b6d5596 Michael Niedermayer
        pgmyuv_compatibility_hack=1;
2039 9286699a Michael Niedermayer
//        opt_image_format(arg);
2040 5b6d5596 Michael Niedermayer
        arg = "image2";
2041 17ceb4f9 Baptiste Coudurier
        fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2042 817b23ff Fabrice Bellard
    }
2043
2044 79fdaa4c Fabrice Bellard
    file_iformat = av_find_input_format(arg);
2045
    file_oformat = guess_format(arg, NULL, NULL);
2046
    if (!file_iformat && !file_oformat) {
2047
        fprintf(stderr, "Unknown input or output format: %s\n", arg);
2048 85f07f22 Fabrice Bellard
        exit(1);
2049
    }
2050
}
2051
2052 b29f97d1 Zdenek Kabelac
static void opt_video_rc_eq(char *arg)
2053 3aa102be Michael Niedermayer
{
2054
    video_rc_eq = arg;
2055
}
2056
2057 b29f97d1 Zdenek Kabelac
static void opt_video_rc_override_string(char *arg)
2058 ac2830ec Michael Niedermayer
{
2059
    video_rc_override_string = arg;
2060
}
2061
2062 f4f3223f Michael Niedermayer
static void opt_me_threshold(const char *arg)
2063
{
2064
    me_threshold = atoi(arg);
2065
}
2066
2067 f068206e Bill Eldridge
static void opt_verbose(const char *arg)
2068
{
2069
    verbose = atoi(arg);
2070 ab1c6dc9 Luca Abeni
    av_log_level = atoi(arg);
2071 f068206e Bill Eldridge
}
2072
2073 b29f97d1 Zdenek Kabelac
static void opt_frame_rate(const char *arg)
2074 85f07f22 Fabrice Bellard
{
2075 b33ece16 Stefano Sabatini
    if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2076 445f1b83 Roman Shaposhnik
        fprintf(stderr, "Incorrect frame rate\n");
2077 bb270c08 Diego Biurrun
        exit(1);
2078 445f1b83 Roman Shaposhnik
    }
2079 85f07f22 Fabrice Bellard
}
2080
2081 b29f97d1 Zdenek Kabelac
static void opt_frame_crop_top(const char *arg)
2082 ab6d194a Michael Niedermayer
{
2083 115329f1 Diego Biurrun
    frame_topBand = atoi(arg);
2084 ab6d194a Michael Niedermayer
    if (frame_topBand < 0) {
2085
        fprintf(stderr, "Incorrect top crop size\n");
2086
        exit(1);
2087
    }
2088
    if ((frame_topBand % 2) != 0) {
2089
        fprintf(stderr, "Top crop size must be a multiple of 2\n");
2090
        exit(1);
2091
    }
2092
    if ((frame_topBand) >= frame_height){
2093 bb270c08 Diego Biurrun
        fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2094 ab6d194a Michael Niedermayer
        exit(1);
2095
    }
2096
    frame_height -= frame_topBand;
2097
}
2098
2099 b29f97d1 Zdenek Kabelac
static void opt_frame_crop_bottom(const char *arg)
2100 ab6d194a Michael Niedermayer
{
2101
    frame_bottomBand = atoi(arg);
2102
    if (frame_bottomBand < 0) {
2103
        fprintf(stderr, "Incorrect bottom crop size\n");
2104
        exit(1);
2105
    }
2106
    if ((frame_bottomBand % 2) != 0) {
2107
        fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2108 115329f1 Diego Biurrun
        exit(1);
2109 ab6d194a Michael Niedermayer
    }
2110
    if ((frame_bottomBand) >= frame_height){
2111 bb270c08 Diego Biurrun
        fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2112 ab6d194a Michael Niedermayer
        exit(1);
2113
    }
2114
    frame_height -= frame_bottomBand;
2115
}
2116
2117 b29f97d1 Zdenek Kabelac
static void opt_frame_crop_left(const char *arg)
2118 ab6d194a Michael Niedermayer
{
2119
    frame_leftBand = atoi(arg);
2120
    if (frame_leftBand < 0) {
2121
        fprintf(stderr, "Incorrect left crop size\n");
2122
        exit(1);
2123
    }
2124
    if ((frame_leftBand % 2) != 0) {
2125
        fprintf(stderr, "Left crop size must be a multiple of 2\n");
2126
        exit(1);
2127
    }
2128
    if ((frame_leftBand) >= frame_width){
2129 bb270c08 Diego Biurrun
        fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2130 ab6d194a Michael Niedermayer
        exit(1);
2131
    }
2132
    frame_width -= frame_leftBand;
2133
}
2134
2135 b29f97d1 Zdenek Kabelac
static void opt_frame_crop_right(const char *arg)
2136 ab6d194a Michael Niedermayer
{
2137
    frame_rightBand = atoi(arg);
2138
    if (frame_rightBand < 0) {
2139
        fprintf(stderr, "Incorrect right crop size\n");
2140
        exit(1);
2141
    }
2142
    if ((frame_rightBand % 2) != 0) {
2143
        fprintf(stderr, "Right crop size must be a multiple of 2\n");
2144 115329f1 Diego Biurrun
        exit(1);
2145 ab6d194a Michael Niedermayer
    }
2146
    if ((frame_rightBand) >= frame_width){
2147 bb270c08 Diego Biurrun
        fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2148 ab6d194a Michael Niedermayer
        exit(1);
2149
    }
2150
    frame_width -= frame_rightBand;
2151
}
2152
2153 b29f97d1 Zdenek Kabelac
static void opt_frame_size(const char *arg)
2154 85f07f22 Fabrice Bellard
{
2155 b33ece16 Stefano Sabatini
    if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2156 85f07f22 Fabrice Bellard
        fprintf(stderr, "Incorrect frame size\n");
2157
        exit(1);
2158
    }
2159
    if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2160
        fprintf(stderr, "Frame size must be a multiple of 2\n");
2161
        exit(1);
2162
    }
2163
}
2164
2165 1ff93ffc Todd Kirby
2166
#define SCALEBITS 10
2167
#define ONE_HALF  (1 << (SCALEBITS - 1))
2168 bb270c08 Diego Biurrun
#define FIX(x)    ((int) ((x) * (1<<SCALEBITS) + 0.5))
2169 1ff93ffc Todd Kirby
2170
#define RGB_TO_Y(r, g, b) \
2171
((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2172
  FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2173
2174
#define RGB_TO_U(r1, g1, b1, shift)\
2175
(((- FIX(0.16874) * r1 - FIX(0.33126) * g1 +         \
2176
     FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2177
2178
#define RGB_TO_V(r1, g1, b1, shift)\
2179
(((FIX(0.50000) * r1 - FIX(0.41869) * g1 -           \
2180
   FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2181
2182
static void opt_pad_color(const char *arg) {
2183
    /* Input is expected to be six hex digits similar to
2184
       how colors are expressed in html tags (but without the #) */
2185
    int rgb = strtol(arg, NULL, 16);
2186
    int r,g,b;
2187 115329f1 Diego Biurrun
2188
    r = (rgb >> 16);
2189 1ff93ffc Todd Kirby
    g = ((rgb >> 8) & 255);
2190
    b = (rgb & 255);
2191
2192
    padcolor[0] = RGB_TO_Y(r,g,b);
2193
    padcolor[1] = RGB_TO_U(r,g,b,0);
2194
    padcolor[2] = RGB_TO_V(r,g,b,0);
2195
}
2196
2197
static void opt_frame_pad_top(const char *arg)
2198
{
2199 115329f1 Diego Biurrun
    frame_padtop = atoi(arg);
2200 1ff93ffc Todd Kirby
    if (frame_padtop < 0) {
2201
        fprintf(stderr, "Incorrect top pad size\n");
2202
        exit(1);
2203
    }
2204
    if ((frame_padtop % 2) != 0) {
2205
        fprintf(stderr, "Top pad size must be a multiple of 2\n");
2206
        exit(1);
2207
    }
2208
}
2209
2210
static void opt_frame_pad_bottom(const char *arg)
2211
{
2212 115329f1 Diego Biurrun
    frame_padbottom = atoi(arg);
2213 1ff93ffc Todd Kirby
    if (frame_padbottom < 0) {
2214
        fprintf(stderr, "Incorrect bottom pad size\n");
2215
        exit(1);
2216
    }
2217
    if ((frame_padbottom % 2) != 0) {
2218
        fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2219
        exit(1);
2220
    }
2221
}
2222
2223
2224
static void opt_frame_pad_left(const char *arg)
2225
{
2226 115329f1 Diego Biurrun
    frame_padleft = atoi(arg);
2227 1ff93ffc Todd Kirby
    if (frame_padleft < 0) {
2228
        fprintf(stderr, "Incorrect left pad size\n");
2229
        exit(1);
2230
    }
2231
    if ((frame_padleft % 2) != 0) {
2232
        fprintf(stderr, "Left pad size must be a multiple of 2\n");
2233
        exit(1);
2234
    }
2235
}
2236
2237
2238
static void opt_frame_pad_right(const char *arg)
2239
{
2240 115329f1 Diego Biurrun
    frame_padright = atoi(arg);
2241 1ff93ffc Todd Kirby
    if (frame_padright < 0) {
2242
        fprintf(stderr, "Incorrect right pad size\n");
2243
        exit(1);
2244
    }
2245
    if ((frame_padright % 2) != 0) {
2246
        fprintf(stderr, "Right pad size must be a multiple of 2\n");
2247
        exit(1);
2248
    }
2249
}
2250
2251 c3b95b1d Stefano Sabatini
void list_pix_fmts(void)
2252
{
2253
    int i;
2254
    char pix_fmt_str[128];
2255
    for (i=-1; i < PIX_FMT_NB; i++) {
2256
        avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2257
        fprintf(stdout, "%s\n", pix_fmt_str);
2258
    }
2259
}
2260 1ff93ffc Todd Kirby
2261 63167088 Roman Shaposhnik
static void opt_frame_pix_fmt(const char *arg)
2262
{
2263 c3b95b1d Stefano Sabatini
    if (strcmp(arg, "list"))
2264
        frame_pix_fmt = avcodec_get_pix_fmt(arg);
2265
    else {
2266
        list_pix_fmts();
2267
        exit(0);
2268
    }
2269 63167088 Roman Shaposhnik
}
2270
2271 5fe03e38 Roman Shaposhnik
static void opt_frame_aspect_ratio(const char *arg)
2272
{
2273
    int x = 0, y = 0;
2274
    double ar = 0;
2275
    const char *p;
2276 115329f1 Diego Biurrun
2277 5fe03e38 Roman Shaposhnik
    p = strchr(arg, ':');
2278
    if (p) {
2279
        x = strtol(arg, (char **)&arg, 10);
2280 bb270c08 Diego Biurrun
        if (arg == p)
2281
            y = strtol(arg+1, (char **)&arg, 10);
2282
        if (x > 0 && y > 0)
2283
            ar = (double)x / (double)y;
2284 5fe03e38 Roman Shaposhnik
    } else
2285
        ar = strtod(arg, (char **)&arg);
2286
2287
    if (!ar) {
2288
        fprintf(stderr, "Incorrect aspect ratio specification.\n");
2289 bb270c08 Diego Biurrun
        exit(1);
2290 5fe03e38 Roman Shaposhnik
    }
2291
    frame_aspect_ratio = ar;
2292
}
2293
2294 b29f97d1 Zdenek Kabelac
static void opt_qscale(const char *arg)
2295 85f07f22 Fabrice Bellard
{
2296 158c7f05 Michael Niedermayer
    video_qscale = atof(arg);
2297 4e64bead Loren Merritt
    if (video_qscale <= 0 ||
2298 158c7f05 Michael Niedermayer
        video_qscale > 255) {
2299 4e64bead Loren Merritt
        fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2300 85f07f22 Fabrice Bellard
        exit(1);
2301
    }
2302
}
2303
2304 b29f97d1 Zdenek Kabelac
static void opt_qdiff(const char *arg)
2305 9cdd6a24 Michael Niedermayer
{
2306
    video_qdiff = atoi(arg);
2307
    if (video_qdiff < 0 ||
2308
        video_qdiff > 31) {
2309
        fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2310
        exit(1);
2311
    }
2312
}
2313
2314 b29f97d1 Zdenek Kabelac
static void opt_strict(const char *arg)
2315 f560dd82 Michael Niedermayer
{
2316
    strict= atoi(arg);
2317
}
2318
2319 bb198e19 Michael Niedermayer
static void opt_top_field_first(const char *arg)
2320
{
2321
    top_field_first= atoi(arg);
2322
}
2323
2324 9c3d33d6 Michael Niedermayer
static void opt_thread_count(const char *arg)
2325
{
2326
    thread_count= atoi(arg);
2327 2450cff2 François Revol
#if !defined(HAVE_THREADS)
2328 d8019eb5 Allen Day
    if (verbose >= 0)
2329
        fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2330 842b556a Michael Niedermayer
#endif
2331 9c3d33d6 Michael Niedermayer
}
2332
2333 b29f97d1 Zdenek Kabelac
static void opt_audio_rate(const char *arg)
2334 85f07f22 Fabrice Bellard
{
2335
    audio_sample_rate = atoi(arg);
2336
}
2337
2338 b29f97d1 Zdenek Kabelac
static void opt_audio_channels(const char *arg)
2339 85f07f22 Fabrice Bellard
{
2340
    audio_channels = atoi(arg);
2341
}
2342
2343 b29f97d1 Zdenek Kabelac
static void opt_video_channel(const char *arg)
2344 a5df11ab Fabrice Bellard
{
2345
    video_channel = strtol(arg, NULL, 0);
2346
}
2347
2348 e3ee3283 Alex Beregszaszi
static void opt_video_standard(const char *arg)
2349
{
2350
    video_standard = av_strdup(arg);
2351
}
2352
2353 cf7fc795 Fabrice Bellard
static void opt_codec(int *pstream_copy, int *pcodec_id,
2354
                      int codec_type, const char *arg)
2355 85f07f22 Fabrice Bellard
{
2356
    AVCodec *p;
2357
2358 1629626f Fabrice Bellard
    if (!strcmp(arg, "copy")) {
2359 cf7fc795 Fabrice Bellard
        *pstream_copy = 1;
2360 85f07f22 Fabrice Bellard
    } else {
2361 1629626f Fabrice Bellard
        p = first_avcodec;
2362
        while (p) {
2363 cf7fc795 Fabrice Bellard
            if (!strcmp(p->name, arg) && p->type == codec_type)
2364 1629626f Fabrice Bellard
                break;
2365
            p = p->next;
2366
        }
2367
        if (p == NULL) {
2368 cf7fc795 Fabrice Bellard
            fprintf(stderr, "Unknown codec '%s'\n", arg);
2369 1629626f Fabrice Bellard
            exit(1);
2370
        } else {
2371 cf7fc795 Fabrice Bellard
            *pcodec_id = p->id;
2372 1629626f Fabrice Bellard
        }
2373 85f07f22 Fabrice Bellard
    }
2374
}
2375
2376 cf7fc795 Fabrice Bellard
static void opt_audio_codec(const char *arg)
2377
{
2378
    opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2379
}
2380
2381 b2a2197e Michael Niedermayer
static void opt_audio_tag(const char *arg)
2382
{
2383
    char *tail;
2384
    audio_codec_tag= strtol(arg, &tail, 0);
2385
2386
    if(!tail || *tail)
2387
        audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2388
}
2389
2390
static void opt_video_tag(const char *arg)
2391
{
2392
    char *tail;
2393
    video_codec_tag= strtol(arg, &tail, 0);
2394
2395
    if(!tail || *tail)
2396
        video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2397
}
2398
2399 d0f596b4 Diego Biurrun
#ifdef CONFIG_VHOOK
2400 b29f97d1 Zdenek Kabelac
static void add_frame_hooker(const char *arg)
2401 10d104e4 Philip Gladstone
{
2402
    int argc = 0;
2403
    char *argv[64];
2404
    int i;
2405 e9a9e0c2 Fabrice Bellard
    char *args = av_strdup(arg);
2406 10d104e4 Philip Gladstone
2407 bee0d9e5 Charles Yates
    using_vhook = 1;
2408
2409 10d104e4 Philip Gladstone
    argv[0] = strtok(args, " ");
2410
    while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2411
    }
2412
2413
    i = frame_hook_add(argc, argv);
2414
2415
    if (i != 0) {
2416
        fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2417
        exit(1);
2418
    }
2419
}
2420 d0f596b4 Diego Biurrun
#endif
2421 10d104e4 Philip Gladstone
2422 b29f97d1 Zdenek Kabelac
static void opt_video_codec(const char *arg)
2423 85f07f22 Fabrice Bellard
{
2424 cf7fc795 Fabrice Bellard
    opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2425
}
2426 85f07f22 Fabrice Bellard
2427 cf7fc795 Fabrice Bellard
static void opt_subtitle_codec(const char *arg)
2428
{
2429
    opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2430 85f07f22 Fabrice Bellard
}
2431
2432 b29f97d1 Zdenek Kabelac
static void opt_map(const char *arg)
2433 85f07f22 Fabrice Bellard
{
2434
    AVStreamMap *m;
2435
    const char *p;
2436
2437
    p = arg;
2438
    m = &stream_maps[nb_stream_maps++];
2439
2440
    m->file_index = strtol(arg, (char **)&p, 0);
2441
    if (*p)
2442
        p++;
2443 a5dc85ef Juanjo
2444
    m->stream_index = strtol(p, (char **)&p, 0);
2445 b4a3389e Wolfram Gloger
    if (*p) {
2446
        p++;
2447
        m->sync_file_index = strtol(p, (char **)&p, 0);
2448
        if (*p)
2449
            p++;
2450
        m->sync_stream_index = strtol(p, (char **)&p, 0);
2451
    } else {
2452
        m->sync_file_index = m->file_index;
2453
        m->sync_stream_index = m->stream_index;
2454
    }
2455 85f07f22 Fabrice Bellard
}
2456
2457 0a38bafd Patrice Bensoussan
static void opt_map_meta_data(const char *arg)
2458
{
2459
    AVMetaDataMap *m;
2460
    const char *p;
2461 115329f1 Diego Biurrun
2462 0a38bafd Patrice Bensoussan
    p = arg;
2463
    m = &meta_data_maps[nb_meta_data_maps++];
2464
2465
    m->out_file = strtol(arg, (char **)&p, 0);
2466
    if (*p)
2467
        p++;
2468
2469
    m->in_file = strtol(p, (char **)&p, 0);
2470
}
2471
2472 b29f97d1 Zdenek Kabelac
static void opt_recording_time(const char *arg)
2473 85f07f22 Fabrice Bellard
{
2474
    recording_time = parse_date(arg, 1);
2475
}
2476
2477 8831db5c Michael Niedermayer
static void opt_start_time(const char *arg)
2478
{
2479
    start_time = parse_date(arg, 1);
2480
}
2481
2482 4568325a Roman Shaposhnik
static void opt_rec_timestamp(const char *arg)
2483
{
2484
    rec_timestamp = parse_date(arg, 0) / 1000000;
2485
}
2486
2487 a6a92a9a Wolfram Gloger
static void opt_input_ts_offset(const char *arg)
2488
{
2489
    input_ts_offset = parse_date(arg, 1);
2490
}
2491
2492 b29f97d1 Zdenek Kabelac
static void opt_input_file(const char *filename)
2493 85f07f22 Fabrice Bellard
{
2494
    AVFormatContext *ic;
2495
    AVFormatParameters params, *ap = &params;
2496 14bea432 Michael Niedermayer
    int err, i, ret, rfps, rfps_base;
2497 bd1b79a1 Michael Niedermayer
    int64_t timestamp;
2498 85f07f22 Fabrice Bellard
2499 b242baa4 Fabrice Bellard
    if (!strcmp(filename, "-"))
2500
        filename = "pipe:";
2501
2502 115329f1 Diego Biurrun
    using_stdin |= !strncmp(filename, "pipe:", 5) ||
2503 d9a916e2 Charles Yates
                   !strcmp( filename, "/dev/stdin" );
2504
2505 85f07f22 Fabrice Bellard
    /* get default parameters from command line */
2506 4eb72c6b Nico Sabbi
    ic = av_alloc_format_context();
2507
2508 79fdaa4c Fabrice Bellard
    memset(ap, 0, sizeof(*ap));
2509 4eb72c6b Nico Sabbi
    ap->prealloced_context = 1;
2510 79fdaa4c Fabrice Bellard
    ap->sample_rate = audio_sample_rate;
2511
    ap->channels = audio_channels;
2512 b33ece16 Stefano Sabatini
    ap->time_base.den = frame_rate.num;
2513
    ap->time_base.num = frame_rate.den;
2514 1ff93ffc Todd Kirby
    ap->width = frame_width + frame_padleft + frame_padright;
2515
    ap->height = frame_height + frame_padtop + frame_padbottom;
2516 63167088 Roman Shaposhnik
    ap->pix_fmt = frame_pix_fmt;
2517 2639c651 Roman Shaposhnik
    ap->channel = video_channel;
2518
    ap->standard = video_standard;
2519 5b6d5596 Michael Niedermayer
    ap->video_codec_id = video_codec_id;
2520
    ap->audio_codec_id = audio_codec_id;
2521
    if(pgmyuv_compatibility_hack)
2522
        ap->video_codec_id= CODEC_ID_PGMYUV;
2523 79fdaa4c Fabrice Bellard
2524 4eb72c6b Nico Sabbi
    for(i=0; i<opt_name_count; i++){
2525 bd31a388 Baptiste Coudurier
        const AVOption *opt;
2526 4eb72c6b Nico Sabbi
        double d= av_get_double(avformat_opts, opt_names[i], &opt);
2527
        if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2528
            av_set_double(ic, opt_names[i], d);
2529
    }
2530 79fdaa4c Fabrice Bellard
    /* open the input file with generic libav function */
2531
    err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2532 85f07f22 Fabrice Bellard
    if (err < 0) {
2533 79fdaa4c Fabrice Bellard
        print_error(filename, err);
2534 85f07f22 Fabrice Bellard
        exit(1);
2535
    }
2536 30bc6613 Michael Niedermayer
2537 5894e1bb Víctor Paesa
    ic->loop_input = loop_input;
2538
2539 79fdaa4c Fabrice Bellard
    /* If not enough info to get the stream parameters, we decode the
2540
       first frames to get it. (used in mpeg case for example) */
2541
    ret = av_find_stream_info(ic);
2542 d8019eb5 Allen Day
    if (ret < 0 && verbose >= 0) {
2543 85f07f22 Fabrice Bellard
        fprintf(stderr, "%s: could not find codec parameters\n", filename);
2544
        exit(1);
2545
    }
2546
2547 bd1b79a1 Michael Niedermayer
    timestamp = start_time;
2548
    /* add the stream start time */
2549
    if (ic->start_time != AV_NOPTS_VALUE)
2550
        timestamp += ic->start_time;
2551
2552 254abc2e Fabrice Bellard
    /* if seeking requested, we execute it */
2553
    if (start_time != 0) {
2554 3ba1438d Michael Niedermayer
        ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2555 254abc2e Fabrice Bellard
        if (ret < 0) {
2556 115329f1 Diego Biurrun
            fprintf(stderr, "%s: could not seek to position %0.3f\n",
2557 254abc2e Fabrice Bellard
                    filename, (double)timestamp / AV_TIME_BASE);
2558
        }
2559
        /* reset seek info */
2560
        start_time = 0;
2561
    }
2562
2563 85f07f22 Fabrice Bellard
    /* update the current parameters so that they match the one of the input stream */
2564
    for(i=0;i<ic->nb_streams;i++) {
2565 637b5326 Michael Niedermayer
        int j;
2566 01f4895c Michael Niedermayer
        AVCodecContext *enc = ic->streams[i]->codec;
2567 c62c07d3 Michael Niedermayer
        if(thread_count>1)
2568
            avcodec_thread_init(enc, thread_count);
2569
        enc->thread_count= thread_count;
2570 85f07f22 Fabrice Bellard
        switch(enc->codec_type) {
2571
        case CODEC_TYPE_AUDIO:
2572 637b5326 Michael Niedermayer
            for(j=0; j<opt_name_count; j++){
2573 bd31a388 Baptiste Coudurier
                const AVOption *opt;
2574 23b254fb Benoit Fouet
                double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2575 637b5326 Michael Niedermayer
                if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2576
                    av_set_double(enc, opt_names[j], d);
2577
            }
2578 e0d2714a Juanjo
            //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2579 85f07f22 Fabrice Bellard
            audio_channels = enc->channels;
2580
            audio_sample_rate = enc->sample_rate;
2581 b4aea108 Michael Niedermayer
            if(audio_disable)
2582 f3356e9c Michael Niedermayer
                ic->streams[i]->discard= AVDISCARD_ALL;
2583 85f07f22 Fabrice Bellard
            break;
2584
        case CODEC_TYPE_VIDEO:
2585 637b5326 Michael Niedermayer
            for(j=0; j<opt_name_count; j++){
2586 bd31a388 Baptiste Coudurier
                const AVOption *opt;
2587 23b254fb Benoit Fouet
                double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2588 637b5326 Michael Niedermayer
                if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2589
                    av_set_double(enc, opt_names[j], d);
2590
            }
2591 85f07f22 Fabrice Bellard
            frame_height = enc->height;
2592
            frame_width = enc->width;
2593 bb270c08 Diego Biurrun
            frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2594
            frame_pix_fmt = enc->pix_fmt;
2595 c0df9d75 Michael Niedermayer
            rfps      = ic->streams[i]->r_frame_rate.num;
2596
            rfps_base = ic->streams[i]->r_frame_rate.den;
2597 637b5326 Michael Niedermayer
            if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2598 f4f3223f Michael Niedermayer
            if(me_threshold)
2599
                enc->debug |= FF_DEBUG_MV;
2600 d7425f59 Michael Niedermayer
2601 115329f1 Diego Biurrun
            if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2602 d8019eb5 Allen Day
2603
                if (verbose >= 0)
2604 386c88de Baptiste Coudurier
                    fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2605 c0df9d75 Michael Niedermayer
                            i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2606 d8019eb5 Allen Day
2607 15bc38e5 Michael Niedermayer
                    (float)rfps / rfps_base, rfps, rfps_base);
2608 79fdaa4c Fabrice Bellard
            }
2609 bf5af568 Fabrice Bellard
            /* update the current frame rate to match the stream frame rate */
2610 b33ece16 Stefano Sabatini
            frame_rate.num = rfps;
2611
            frame_rate.den = rfps_base;
2612 bdfcbbed Max Krasnyansky
2613
            enc->rate_emu = rate_emu;
2614 b4aea108 Michael Niedermayer
            if(video_disable)
2615 f3356e9c Michael Niedermayer
                ic->streams[i]->discard= AVDISCARD_ALL;
2616
            else if(video_discard)
2617
                ic->streams[i]->discard= video_discard;
2618 85f07f22 Fabrice Bellard
            break;
2619 254abc2e Fabrice Bellard
        case CODEC_TYPE_DATA:
2620
            break;
2621 cf7fc795 Fabrice Bellard
        case CODEC_TYPE_SUBTITLE:
2622
            break;
2623 ae38261e Mike Brown
        case CODEC_TYPE_UNKNOWN:
2624
            break;
2625 51bd4565 Philip Gladstone
        default:
2626 0f4e8165 Ronald S. Bultje
            abort();
2627 85f07f22 Fabrice Bellard
        }
2628
    }
2629 115329f1 Diego Biurrun
2630 85f07f22 Fabrice Bellard
    input_files[nb_input_files] = ic;
2631 bd1b79a1 Michael Niedermayer
    input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2632 85f07f22 Fabrice Bellard
    /* dump the file content */
2633 d8019eb5 Allen Day
    if (verbose >= 0)
2634
        dump_format(ic, nb_input_files, filename, 0);
2635
2636 85f07f22 Fabrice Bellard
    nb_input_files++;
2637 79fdaa4c Fabrice Bellard
    file_iformat = NULL;
2638
    file_oformat = NULL;
2639 bdfcbbed Max Krasnyansky
2640 2639c651 Roman Shaposhnik
    video_channel = 0;
2641 115329f1 Diego Biurrun
2642 bdfcbbed Max Krasnyansky
    rate_emu = 0;
2643 85f07f22 Fabrice Bellard
}
2644
2645 b29f97d1 Zdenek Kabelac
static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2646 919f448d Fabrice Bellard
{
2647
    int has_video, has_audio, i, j;
2648
    AVFormatContext *ic;
2649
2650
    has_video = 0;
2651
    has_audio = 0;
2652
    for(j=0;j<nb_input_files;j++) {
2653
        ic = input_files[j];
2654
        for(i=0;i<ic->nb_streams;i++) {
2655 01f4895c Michael Niedermayer
            AVCodecContext *enc = ic->streams[i]->codec;
2656 919f448d Fabrice Bellard
            switch(enc->codec_type) {
2657
            case CODEC_TYPE_AUDIO:
2658
                has_audio = 1;
2659
                break;
2660
            case CODEC_TYPE_VIDEO:
2661
                has_video = 1;
2662
                break;
2663 6fb316d5 Wolfram Gloger
            case CODEC_TYPE_DATA:
2664 ae38261e Mike Brown
            case CODEC_TYPE_UNKNOWN:
2665 cf7fc795 Fabrice Bellard
            case CODEC_TYPE_SUBTITLE:
2666 6fb316d5 Wolfram Gloger
                break;
2667 51bd4565 Philip Gladstone
            default:
2668 0f4e8165 Ronald S. Bultje
                abort();
2669 919f448d Fabrice Bellard
            }
2670
        }
2671
    }
2672
    *has_video_ptr = has_video;
2673
    *has_audio_ptr = has_audio;
2674
}
2675