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1
/*
2
 * FFmpeg main
3
 * Copyright (c) 2000-2003 Fabrice Bellard
4
 *
5
 * This file is part of FFmpeg.
6
 *
7
 * FFmpeg is free software; you can redistribute it and/or
8
 * modify it under the terms of the GNU Lesser General Public
9
 * License as published by the Free Software Foundation; either
10
 * version 2.1 of the License, or (at your option) any later version.
11
 *
12
 * FFmpeg is distributed in the hope that it will be useful,
13
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15
 * Lesser General Public License for more details.
16
 *
17
 * You should have received a copy of the GNU Lesser General Public
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 * License along with FFmpeg; if not, write to the Free Software
19
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20
 */
21

    
22
#include "config.h"
23
#include <ctype.h>
24
#include <string.h>
25
#include <math.h>
26
#include <stdlib.h>
27
#include <errno.h>
28
#include <signal.h>
29
#include <limits.h>
30
#include "avformat.h"
31
#include "swscale.h"
32
#include "framehook.h"
33
#include "opt.h"
34
#include "fifo.h"
35
#include "avstring.h"
36

    
37
#if !defined(HAVE_GETRUSAGE) && defined(HAVE_GETPROCESSTIMES)
38
#include <windows.h>
39
#endif
40

    
41
#if defined(HAVE_TERMIOS_H)
42
#include <unistd.h>
43
#include <fcntl.h>
44
#include <sys/ioctl.h>
45
#include <sys/time.h>
46
#include <termios.h>
47
#include <sys/resource.h>
48
#elif defined(HAVE_CONIO_H)
49
#include <conio.h>
50
#endif
51
#undef time //needed because HAVE_AV_CONFIG_H is defined on top
52
#include <time.h>
53

    
54
#include "version.h"
55
#include "cmdutils.h"
56

    
57
#undef NDEBUG
58
#include <assert.h>
59

    
60
#if !defined(INFINITY) && defined(HUGE_VAL)
61
#define INFINITY HUGE_VAL
62
#endif
63

    
64
#undef exit
65

    
66
/* select an input stream for an output stream */
67
typedef struct AVStreamMap {
68
    int file_index;
69
    int stream_index;
70
    int sync_file_index;
71
    int sync_stream_index;
72
} AVStreamMap;
73

    
74
/** select an input file for an output file */
75
typedef struct AVMetaDataMap {
76
    int out_file;
77
    int in_file;
78
} AVMetaDataMap;
79

    
80
extern const OptionDef options[];
81

    
82
static void show_help(void);
83
static void show_license(void);
84
static int opt_default(const char *opt, const char *arg);
85

    
86
#define MAX_FILES 20
87

    
88
static AVFormatContext *input_files[MAX_FILES];
89
static int64_t input_files_ts_offset[MAX_FILES];
90
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
static AVMetaDataMap meta_data_maps[MAX_FILES];
99
static int nb_meta_data_maps;
100

    
101
static AVInputFormat *file_iformat;
102
static AVOutputFormat *file_oformat;
103
static int frame_width  = 0;
104
static int frame_height = 0;
105
static float frame_aspect_ratio = 0;
106
static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
107
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
static int frame_topBand  = 0;
113
static int frame_bottomBand = 0;
114
static int frame_leftBand  = 0;
115
static int frame_rightBand = 0;
116
static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
117
static AVRational frame_rate = (AVRational) {25,1};
118
static float video_qscale = 0;
119
static int video_qdiff = 3;
120
static uint16_t *intra_matrix = NULL;
121
static uint16_t *inter_matrix = NULL;
122
#if 0 //experimental, (can be removed)
123
static float video_rc_qsquish=1.0;
124
static float video_rc_qmod_amp=0;
125
static int video_rc_qmod_freq=0;
126
#endif
127
static char *video_rc_override_string=NULL;
128
static char *video_rc_eq="tex^qComp";
129
static int video_disable = 0;
130
static int video_discard = 0;
131
static char *video_codec_name = NULL;
132
static int video_codec_tag = 0;
133
static int same_quality = 0;
134
static int do_deinterlace = 0;
135
static int strict = 0;
136
static int top_field_first = -1;
137
static int me_threshold = 0;
138
static int intra_dc_precision = 8;
139
static int loop_input = 0;
140
static int loop_output = AVFMT_NOOUTPUTLOOP;
141
static int qp_hist = 0;
142

    
143
static int intra_only = 0;
144
static int audio_sample_rate = 44100;
145
#define QSCALE_NONE -99999
146
static float audio_qscale = QSCALE_NONE;
147
static int audio_disable = 0;
148
static int audio_channels = 1;
149
static char  *audio_codec_name = NULL;
150
static int audio_codec_tag = 0;
151
static char *audio_language = NULL;
152

    
153
static int subtitle_disable = 0;
154
static char *subtitle_codec_name = NULL;
155
static char *subtitle_language = NULL;
156

    
157
static float mux_preload= 0.5;
158
static float mux_max_delay= 0.7;
159

    
160
static int64_t recording_time = 0;
161
static int64_t start_time = 0;
162
static int64_t rec_timestamp = 0;
163
static int64_t input_ts_offset = 0;
164
static int file_overwrite = 0;
165
static char *str_title = NULL;
166
static char *str_author = NULL;
167
static char *str_copyright = NULL;
168
static char *str_comment = NULL;
169
static char *str_album = NULL;
170
static int do_benchmark = 0;
171
static int do_hex_dump = 0;
172
static int do_pkt_dump = 0;
173
static int do_psnr = 0;
174
static int do_pass = 0;
175
static char *pass_logfilename = NULL;
176
static int audio_stream_copy = 0;
177
static int video_stream_copy = 0;
178
static int subtitle_stream_copy = 0;
179
static int video_sync_method= 1;
180
static int audio_sync_method= 0;
181
static float audio_drift_threshold= 0.1;
182
static int copy_ts= 0;
183
static int opt_shortest = 0; //
184
static int video_global_header = 0;
185
static char *vstats_filename;
186
static FILE *fvstats;
187

    
188
static int rate_emu = 0;
189

    
190
static int  video_channel = 0;
191
static char *video_standard;
192

    
193
static int audio_volume = 256;
194

    
195
static int using_stdin = 0;
196
static int using_vhook = 0;
197
static int verbose = 1;
198
static int thread_count= 1;
199
static int q_pressed = 0;
200
static int64_t video_size = 0;
201
static int64_t audio_size = 0;
202
static int64_t extra_size = 0;
203
static int nb_frames_dup = 0;
204
static int nb_frames_drop = 0;
205
static int input_sync;
206
static uint64_t limit_filesize = 0; //
207

    
208
static int pgmyuv_compatibility_hack=0;
209
static float dts_delta_threshold = 10;
210

    
211
static int sws_flags = SWS_BICUBIC;
212

    
213
static const char **opt_names;
214
static int opt_name_count;
215
static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
216
static AVFormatContext *avformat_opts;
217
static struct SwsContext *sws_opts;
218
static int64_t timer_start;
219

    
220
static AVBitStreamFilterContext *video_bitstream_filters=NULL;
221
static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
222
static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
223

    
224
#define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
225

    
226
struct AVInputStream;
227

    
228
typedef struct AVOutputStream {
229
    int file_index;          /* file index */
230
    int index;               /* stream index in the output file */
231
    int source_index;        /* AVInputStream index */
232
    AVStream *st;            /* stream in the output file */
233
    int encoding_needed;     /* true if encoding needed for this stream */
234
    int frame_number;
235
    /* input pts and corresponding output pts
236
       for A/V sync */
237
    //double sync_ipts;        /* dts from the AVPacket of the demuxer in second units */
238
    struct AVInputStream *sync_ist; /* input stream to sync against */
239
    int64_t sync_opts;       /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
240
    /* video only */
241
    int video_resample;
242
    AVFrame pict_tmp;      /* temporary image for resampling */
243
    struct SwsContext *img_resample_ctx; /* for image resampling */
244
    int resample_height;
245

    
246
    int video_crop;
247
    int topBand;             /* cropping area sizes */
248
    int leftBand;
249

    
250
    int video_pad;
251
    int padtop;              /* padding area sizes */
252
    int padbottom;
253
    int padleft;
254
    int padright;
255

    
256
    /* audio only */
257
    int audio_resample;
258
    ReSampleContext *resample; /* for audio resampling */
259
    AVFifoBuffer fifo;     /* for compression: one audio fifo per codec */
260
    FILE *logfile;
261
} AVOutputStream;
262

    
263
typedef struct AVInputStream {
264
    int file_index;
265
    int index;
266
    AVStream *st;
267
    int discard;             /* true if stream data should be discarded */
268
    int decoding_needed;     /* true if the packets must be decoded in 'raw_fifo' */
269
    int64_t sample_index;      /* current sample */
270

    
271
    int64_t       start;     /* time when read started */
272
    unsigned long frame;     /* current frame */
273
    int64_t       next_pts;  /* synthetic pts for cases where pkt.pts
274
                                is not defined */
275
    int64_t       pts;       /* current pts */
276
    int is_start;            /* is 1 at the start and after a discontinuity */
277
} AVInputStream;
278

    
279
typedef struct AVInputFile {
280
    int eof_reached;      /* true if eof reached */
281
    int ist_index;        /* index of first stream in ist_table */
282
    int buffer_size;      /* current total buffer size */
283
    int nb_streams;       /* nb streams we are aware of */
284
} AVInputFile;
285

    
286
#ifdef HAVE_TERMIOS_H
287

    
288
/* init terminal so that we can grab keys */
289
static struct termios oldtty;
290
#endif
291

    
292
static void term_exit(void)
293
{
294
#ifdef HAVE_TERMIOS_H
295
    tcsetattr (0, TCSANOW, &oldtty);
296
#endif
297
}
298

    
299
static volatile sig_atomic_t received_sigterm = 0;
300

    
301
static void
302
sigterm_handler(int sig)
303
{
304
    received_sigterm = sig;
305
    term_exit();
306
}
307

    
308
static void term_init(void)
309
{
310
#ifdef HAVE_TERMIOS_H
311
    struct termios tty;
312

    
313
    tcgetattr (0, &tty);
314
    oldtty = tty;
315

    
316
    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
317
                          |INLCR|IGNCR|ICRNL|IXON);
318
    tty.c_oflag |= OPOST;
319
    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
320
    tty.c_cflag &= ~(CSIZE|PARENB);
321
    tty.c_cflag |= CS8;
322
    tty.c_cc[VMIN] = 1;
323
    tty.c_cc[VTIME] = 0;
324

    
325
    tcsetattr (0, TCSANOW, &tty);
326
    signal(SIGQUIT, sigterm_handler); /* Quit (POSIX).  */
327
#endif
328

    
329
    signal(SIGINT , sigterm_handler); /* Interrupt (ANSI).  */
330
    signal(SIGTERM, sigterm_handler); /* Termination (ANSI).  */
331
    /*
332
    register a function to be called at normal program termination
333
    */
334
    atexit(term_exit);
335
#ifdef CONFIG_BEOS_NETSERVER
336
    fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
337
#endif
338
}
339

    
340
/* read a key without blocking */
341
static int read_key(void)
342
{
343
#if defined(HAVE_TERMIOS_H)
344
    int n = 1;
345
    unsigned char ch;
346
#ifndef CONFIG_BEOS_NETSERVER
347
    struct timeval tv;
348
    fd_set rfds;
349

    
350
    FD_ZERO(&rfds);
351
    FD_SET(0, &rfds);
352
    tv.tv_sec = 0;
353
    tv.tv_usec = 0;
354
    n = select(1, &rfds, NULL, NULL, &tv);
355
#endif
356
    if (n > 0) {
357
        n = read(0, &ch, 1);
358
        if (n == 1)
359
            return ch;
360

    
361
        return n;
362
    }
363
#elif defined(HAVE_CONIO_H)
364
    if(kbhit())
365
        return(getch());
366
#endif
367
    return -1;
368
}
369

    
370
static int decode_interrupt_cb(void)
371
{
372
    return q_pressed || (q_pressed = read_key() == 'q');
373
}
374

    
375
static int read_ffserver_streams(AVFormatContext *s, const char *filename)
376
{
377
    int i, err;
378
    AVFormatContext *ic;
379

    
380
    err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
381
    if (err < 0)
382
        return err;
383
    /* copy stream format */
384
    s->nb_streams = ic->nb_streams;
385
    for(i=0;i<ic->nb_streams;i++) {
386
        AVStream *st;
387

    
388
        // FIXME: a more elegant solution is needed
389
        st = av_mallocz(sizeof(AVStream));
390
        memcpy(st, ic->streams[i], sizeof(AVStream));
391
        st->codec = avcodec_alloc_context();
392
        memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
393
        s->streams[i] = st;
394
    }
395

    
396
    av_close_input_file(ic);
397
    return 0;
398
}
399

    
400
static double
401
get_sync_ipts(const AVOutputStream *ost)
402
{
403
    const AVInputStream *ist = ost->sync_ist;
404
    return (double)(ist->pts - start_time)/AV_TIME_BASE;
405
}
406

    
407
static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
408
    while(bsfc){
409
        AVPacket new_pkt= *pkt;
410
        int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
411
                                          &new_pkt.data, &new_pkt.size,
412
                                          pkt->data, pkt->size,
413
                                          pkt->flags & PKT_FLAG_KEY);
414
        if(a){
415
            av_free_packet(pkt);
416
            new_pkt.destruct= av_destruct_packet;
417
        }
418
        *pkt= new_pkt;
419

    
420
        bsfc= bsfc->next;
421
    }
422

    
423
    av_interleaved_write_frame(s, pkt);
424
}
425

    
426
#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
427

    
428
static void do_audio_out(AVFormatContext *s,
429
                         AVOutputStream *ost,
430
                         AVInputStream *ist,
431
                         unsigned char *buf, int size)
432
{
433
    uint8_t *buftmp;
434
    static uint8_t *audio_buf = NULL;
435
    static uint8_t *audio_out = NULL;
436
    const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
437

    
438
    int size_out, frame_bytes, ret;
439
    AVCodecContext *enc= ost->st->codec;
440

    
441
    /* SC: dynamic allocation of buffers */
442
    if (!audio_buf)
443
        audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
444
    if (!audio_out)
445
        audio_out = av_malloc(audio_out_size);
446
    if (!audio_buf || !audio_out)
447
        return;               /* Should signal an error ! */
448

    
449
    if(audio_sync_method){
450
        double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
451
                - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
452
        double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
453
        int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
454

    
455
        //FIXME resample delay
456
        if(fabs(delta) > 50){
457
            if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
458
                if(byte_delta < 0){
459
                    byte_delta= FFMAX(byte_delta, -size);
460
                    size += byte_delta;
461
                    buf  -= byte_delta;
462
                    if(verbose > 2)
463
                        fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
464
                    if(!size)
465
                        return;
466
                    ist->is_start=0;
467
                }else{
468
                    static uint8_t *input_tmp= NULL;
469
                    input_tmp= av_realloc(input_tmp, byte_delta + size);
470

    
471
                    if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
472
                        ist->is_start=0;
473
                    else
474
                        byte_delta= MAX_AUDIO_PACKET_SIZE - size;
475

    
476
                    memset(input_tmp, 0, byte_delta);
477
                    memcpy(input_tmp + byte_delta, buf, size);
478
                    buf= input_tmp;
479
                    size += byte_delta;
480
                    if(verbose > 2)
481
                        fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
482
                }
483
            }else if(audio_sync_method>1){
484
                int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
485
                assert(ost->audio_resample);
486
                if(verbose > 2)
487
                    fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
488
//                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));
489
                av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
490
            }
491
        }
492
    }else
493
        ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
494
                        - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
495

    
496
    if (ost->audio_resample) {
497
        buftmp = audio_buf;
498
        size_out = audio_resample(ost->resample,
499
                                  (short *)buftmp, (short *)buf,
500
                                  size / (ist->st->codec->channels * 2));
501
        size_out = size_out * enc->channels * 2;
502
    } else {
503
        buftmp = buf;
504
        size_out = size;
505
    }
506

    
507
    /* now encode as many frames as possible */
508
    if (enc->frame_size > 1) {
509
        /* output resampled raw samples */
510
        av_fifo_write(&ost->fifo, buftmp, size_out);
511

    
512
        frame_bytes = enc->frame_size * 2 * enc->channels;
513

    
514
        while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
515
            AVPacket pkt;
516
            av_init_packet(&pkt);
517

    
518
            ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
519
                                       (short *)audio_buf);
520
            audio_size += ret;
521
            pkt.stream_index= ost->index;
522
            pkt.data= audio_out;
523
            pkt.size= ret;
524
            if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
525
                pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
526
            pkt.flags |= PKT_FLAG_KEY;
527
            write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
528

    
529
            ost->sync_opts += enc->frame_size;
530
        }
531
    } else {
532
        AVPacket pkt;
533
        av_init_packet(&pkt);
534

    
535
        ost->sync_opts += size_out / (2 * enc->channels);
536

    
537
        /* output a pcm frame */
538
        /* XXX: change encoding codec API to avoid this ? */
539
        switch(enc->codec->id) {
540
        case CODEC_ID_PCM_S32LE:
541
        case CODEC_ID_PCM_S32BE:
542
        case CODEC_ID_PCM_U32LE:
543
        case CODEC_ID_PCM_U32BE:
544
            size_out = size_out << 1;
545
            break;
546
        case CODEC_ID_PCM_S24LE:
547
        case CODEC_ID_PCM_S24BE:
548
        case CODEC_ID_PCM_U24LE:
549
        case CODEC_ID_PCM_U24BE:
550
        case CODEC_ID_PCM_S24DAUD:
551
            size_out = size_out / 2 * 3;
552
            break;
553
        case CODEC_ID_PCM_S16LE:
554
        case CODEC_ID_PCM_S16BE:
555
        case CODEC_ID_PCM_U16LE:
556
        case CODEC_ID_PCM_U16BE:
557
            break;
558
        default:
559
            size_out = size_out >> 1;
560
            break;
561
        }
562
        ret = avcodec_encode_audio(enc, audio_out, size_out,
563
                                   (short *)buftmp);
564
        audio_size += ret;
565
        pkt.stream_index= ost->index;
566
        pkt.data= audio_out;
567
        pkt.size= ret;
568
        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
569
            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
570
        pkt.flags |= PKT_FLAG_KEY;
571
        write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
572
    }
573
}
574

    
575
static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
576
{
577
    AVCodecContext *dec;
578
    AVPicture *picture2;
579
    AVPicture picture_tmp;
580
    uint8_t *buf = 0;
581

    
582
    dec = ist->st->codec;
583

    
584
    /* deinterlace : must be done before any resize */
585
    if (do_deinterlace || using_vhook) {
586
        int size;
587

    
588
        /* create temporary picture */
589
        size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
590
        buf = av_malloc(size);
591
        if (!buf)
592
            return;
593

    
594
        picture2 = &picture_tmp;
595
        avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
596

    
597
        if (do_deinterlace){
598
            if(avpicture_deinterlace(picture2, picture,
599
                                     dec->pix_fmt, dec->width, dec->height) < 0) {
600
                /* if error, do not deinterlace */
601
                av_free(buf);
602
                buf = NULL;
603
                picture2 = picture;
604
            }
605
        } else {
606
            av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
607
        }
608
    } else {
609
        picture2 = picture;
610
    }
611

    
612
    if (ENABLE_VHOOK)
613
        frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
614
                           1000000 * ist->pts / AV_TIME_BASE);
615

    
616
    if (picture != picture2)
617
        *picture = *picture2;
618
    *bufp = buf;
619
}
620

    
621
/* we begin to correct av delay at this threshold */
622
#define AV_DELAY_MAX 0.100
623

    
624
static void do_subtitle_out(AVFormatContext *s,
625
                            AVOutputStream *ost,
626
                            AVInputStream *ist,
627
                            AVSubtitle *sub,
628
                            int64_t pts)
629
{
630
    static uint8_t *subtitle_out = NULL;
631
    int subtitle_out_max_size = 65536;
632
    int subtitle_out_size, nb, i;
633
    AVCodecContext *enc;
634
    AVPacket pkt;
635

    
636
    if (pts == AV_NOPTS_VALUE) {
637
        fprintf(stderr, "Subtitle packets must have a pts\n");
638
        return;
639
    }
640

    
641
    enc = ost->st->codec;
642

    
643
    if (!subtitle_out) {
644
        subtitle_out = av_malloc(subtitle_out_max_size);
645
    }
646

    
647
    /* Note: DVB subtitle need one packet to draw them and one other
648
       packet to clear them */
649
    /* XXX: signal it in the codec context ? */
650
    if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
651
        nb = 2;
652
    else
653
        nb = 1;
654

    
655
    for(i = 0; i < nb; i++) {
656
        subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
657
                                                    subtitle_out_max_size, sub);
658

    
659
        av_init_packet(&pkt);
660
        pkt.stream_index = ost->index;
661
        pkt.data = subtitle_out;
662
        pkt.size = subtitle_out_size;
663
        pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
664
        if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
665
            /* XXX: the pts correction is handled here. Maybe handling
666
               it in the codec would be better */
667
            if (i == 0)
668
                pkt.pts += 90 * sub->start_display_time;
669
            else
670
                pkt.pts += 90 * sub->end_display_time;
671
        }
672
        write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
673
    }
674
}
675

    
676
static int bit_buffer_size= 1024*256;
677
static uint8_t *bit_buffer= NULL;
678

    
679
static void do_video_out(AVFormatContext *s,
680
                         AVOutputStream *ost,
681
                         AVInputStream *ist,
682
                         AVFrame *in_picture,
683
                         int *frame_size)
684
{
685
    int nb_frames, i, ret;
686
    AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
687
    AVFrame picture_crop_temp, picture_pad_temp;
688
    AVCodecContext *enc, *dec;
689

    
690
    avcodec_get_frame_defaults(&picture_crop_temp);
691
    avcodec_get_frame_defaults(&picture_pad_temp);
692

    
693
    enc = ost->st->codec;
694
    dec = ist->st->codec;
695

    
696
    /* by default, we output a single frame */
697
    nb_frames = 1;
698

    
699
    *frame_size = 0;
700

    
701
    if(video_sync_method){
702
        double vdelta;
703
        vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
704
        //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
705
        if (vdelta < -1.1)
706
            nb_frames = 0;
707
        else if (vdelta > 1.1)
708
            nb_frames = lrintf(vdelta);
709
//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);
710
        if (nb_frames == 0){
711
            ++nb_frames_drop;
712
            if (verbose>2)
713
                fprintf(stderr, "*** drop!\n");
714
        }else if (nb_frames > 1) {
715
            nb_frames_dup += nb_frames;
716
            if (verbose>2)
717
                fprintf(stderr, "*** %d dup!\n", nb_frames-1);
718
        }
719
    }else
720
        ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
721

    
722
    nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
723
    if (nb_frames <= 0)
724
        return;
725

    
726
    if (ost->video_crop) {
727
        if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
728
            av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
729
            return;
730
        }
731
        formatted_picture = &picture_crop_temp;
732
    } else {
733
        formatted_picture = in_picture;
734
    }
735

    
736
    final_picture = formatted_picture;
737
    padding_src = formatted_picture;
738
    resampling_dst = &ost->pict_tmp;
739
    if (ost->video_pad) {
740
        final_picture = &ost->pict_tmp;
741
        if (ost->video_resample) {
742
            if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
743
                av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
744
                return;
745
            }
746
            resampling_dst = &picture_pad_temp;
747
        }
748
    }
749

    
750
    if (ost->video_resample) {
751
        padding_src = NULL;
752
        final_picture = &ost->pict_tmp;
753
        sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
754
              0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
755
    }
756

    
757
    if (ost->video_pad) {
758
        av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
759
                enc->height, enc->width, enc->pix_fmt,
760
                ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
761
    }
762

    
763
    /* duplicates frame if needed */
764
    for(i=0;i<nb_frames;i++) {
765
        AVPacket pkt;
766
        av_init_packet(&pkt);
767
        pkt.stream_index= ost->index;
768

    
769
        if (s->oformat->flags & AVFMT_RAWPICTURE) {
770
            /* raw pictures are written as AVPicture structure to
771
               avoid any copies. We support temorarily the older
772
               method. */
773
            AVFrame* old_frame = enc->coded_frame;
774
            enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
775
            pkt.data= (uint8_t *)final_picture;
776
            pkt.size=  sizeof(AVPicture);
777
            if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
778
                pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
779
            if(dec->coded_frame && dec->coded_frame->key_frame)
780
                pkt.flags |= PKT_FLAG_KEY;
781

    
782
            write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
783
            enc->coded_frame = old_frame;
784
        } else {
785
            AVFrame big_picture;
786

    
787
            big_picture= *final_picture;
788
            /* better than nothing: use input picture interlaced
789
               settings */
790
            big_picture.interlaced_frame = in_picture->interlaced_frame;
791
            if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
792
                if(top_field_first == -1)
793
                    big_picture.top_field_first = in_picture->top_field_first;
794
                else
795
                    big_picture.top_field_first = top_field_first;
796
            }
797

    
798
            /* handles sameq here. This is not correct because it may
799
               not be a global option */
800
            if (same_quality) {
801
                big_picture.quality = ist->st->quality;
802
            }else
803
                big_picture.quality = ost->st->quality;
804
            if(!me_threshold)
805
                big_picture.pict_type = 0;
806
//            big_picture.pts = AV_NOPTS_VALUE;
807
            big_picture.pts= ost->sync_opts;
808
//            big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
809
//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
810
            ret = avcodec_encode_video(enc,
811
                                       bit_buffer, bit_buffer_size,
812
                                       &big_picture);
813
            if (ret == -1) {
814
                fprintf(stderr, "Video encoding failed\n");
815
                exit(1);
816
            }
817
            //enc->frame_number = enc->real_pict_num;
818
            if(ret>0){
819
                pkt.data= bit_buffer;
820
                pkt.size= ret;
821
                if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
822
                    pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
823
/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
824
   pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
825
   pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
826

    
827
                if(enc->coded_frame && enc->coded_frame->key_frame)
828
                    pkt.flags |= PKT_FLAG_KEY;
829
                write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
830
                *frame_size = ret;
831
                //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
832
                //        enc->frame_number-1, enc->real_pict_num, ret,
833
                //        enc->pict_type);
834
                /* if two pass, output log */
835
                if (ost->logfile && enc->stats_out) {
836
                    fprintf(ost->logfile, "%s", enc->stats_out);
837
                }
838
            }
839
        }
840
        ost->sync_opts++;
841
        ost->frame_number++;
842
    }
843
}
844

    
845
static double psnr(double d){
846
    if(d==0) return INFINITY;
847
    return -10.0*log(d)/log(10.0);
848
}
849

    
850
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
851
                           int frame_size)
852
{
853
    AVCodecContext *enc;
854
    int frame_number;
855
    double ti1, bitrate, avg_bitrate;
856

    
857
    /* this is executed just the first time do_video_stats is called */
858
    if (!fvstats) {
859
        fvstats = fopen(vstats_filename, "w");
860
        if (!fvstats) {
861
            perror("fopen");
862
            exit(1);
863
        }
864
    }
865

    
866
    enc = ost->st->codec;
867
    if (enc->codec_type == CODEC_TYPE_VIDEO) {
868
        frame_number = ost->frame_number;
869
        fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
870
        if (enc->flags&CODEC_FLAG_PSNR)
871
            fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
872

    
873
        fprintf(fvstats,"f_size= %6d ", frame_size);
874
        /* compute pts value */
875
        ti1 = ost->sync_opts * av_q2d(enc->time_base);
876
        if (ti1 < 0.01)
877
            ti1 = 0.01;
878

    
879
        bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
880
        avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
881
        fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
882
            (double)video_size / 1024, ti1, bitrate, avg_bitrate);
883
        fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
884
    }
885
}
886

    
887
static void print_report(AVFormatContext **output_files,
888
                         AVOutputStream **ost_table, int nb_ostreams,
889
                         int is_last_report)
890
{
891
    char buf[1024];
892
    AVOutputStream *ost;
893
    AVFormatContext *oc, *os;
894
    int64_t total_size;
895
    AVCodecContext *enc;
896
    int frame_number, vid, i;
897
    double bitrate, ti1, pts;
898
    static int64_t last_time = -1;
899
    static int qp_histogram[52];
900

    
901
    if (!is_last_report) {
902
        int64_t cur_time;
903
        /* display the report every 0.5 seconds */
904
        cur_time = av_gettime();
905
        if (last_time == -1) {
906
            last_time = cur_time;
907
            return;
908
        }
909
        if ((cur_time - last_time) < 500000)
910
            return;
911
        last_time = cur_time;
912
    }
913

    
914

    
915
    oc = output_files[0];
916

    
917
    total_size = url_fsize(&oc->pb);
918
    if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
919
        total_size= url_ftell(&oc->pb);
920

    
921
    buf[0] = '\0';
922
    ti1 = 1e10;
923
    vid = 0;
924
    for(i=0;i<nb_ostreams;i++) {
925
        ost = ost_table[i];
926
        os = output_files[ost->file_index];
927
        enc = ost->st->codec;
928
        if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
929
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
930
                    enc->coded_frame->quality/(float)FF_QP2LAMBDA);
931
        }
932
        if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
933
            float t = (av_gettime()-timer_start) / 1000000.0;
934

    
935
            frame_number = ost->frame_number;
936
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
937
                     frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
938
                     enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
939
            if(is_last_report)
940
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
941
            if(qp_hist && enc->coded_frame){
942
                int j;
943
                int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
944
                if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
945
                    qp_histogram[qp]++;
946
                for(j=0; j<32; j++)
947
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
948
            }
949
            if (enc->flags&CODEC_FLAG_PSNR){
950
                int j;
951
                double error, error_sum=0;
952
                double scale, scale_sum=0;
953
                char type[3]= {'Y','U','V'};
954
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
955
                for(j=0; j<3; j++){
956
                    if(is_last_report){
957
                        error= enc->error[j];
958
                        scale= enc->width*enc->height*255.0*255.0*frame_number;
959
                    }else{
960
                        error= enc->coded_frame->error[j];
961
                        scale= enc->width*enc->height*255.0*255.0;
962
                    }
963
                    if(j) scale/=4;
964
                    error_sum += error;
965
                    scale_sum += scale;
966
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
967
                }
968
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
969
            }
970
            vid = 1;
971
        }
972
        /* compute min output value */
973
        pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
974
        if ((pts < ti1) && (pts > 0))
975
            ti1 = pts;
976
    }
977
    if (ti1 < 0.01)
978
        ti1 = 0.01;
979

    
980
    if (verbose || is_last_report) {
981
        bitrate = (double)(total_size * 8) / ti1 / 1000.0;
982

    
983
        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
984
            "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
985
            (double)total_size / 1024, ti1, bitrate);
986

    
987
        if (verbose > 1)
988
          snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
989
                  nb_frames_dup, nb_frames_drop);
990

    
991
        if (verbose >= 0)
992
            fprintf(stderr, "%s    \r", buf);
993

    
994
        fflush(stderr);
995
    }
996

    
997
    if (is_last_report && verbose >= 0){
998
        int64_t raw= audio_size + video_size + extra_size;
999
        fprintf(stderr, "\n");
1000
        fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1001
                video_size/1024.0,
1002
                audio_size/1024.0,
1003
                extra_size/1024.0,
1004
                100.0*(total_size - raw)/raw
1005
        );
1006
    }
1007
}
1008

    
1009
/* pkt = NULL means EOF (needed to flush decoder buffers) */
1010
static int output_packet(AVInputStream *ist, int ist_index,
1011
                         AVOutputStream **ost_table, int nb_ostreams,
1012
                         const AVPacket *pkt)
1013
{
1014
    AVFormatContext *os;
1015
    AVOutputStream *ost;
1016
    uint8_t *ptr;
1017
    int len, ret, i;
1018
    uint8_t *data_buf;
1019
    int data_size, got_picture;
1020
    AVFrame picture;
1021
    void *buffer_to_free;
1022
    static unsigned int samples_size= 0;
1023
    static short *samples= NULL;
1024
    AVSubtitle subtitle, *subtitle_to_free;
1025
    int got_subtitle;
1026

    
1027
    if(!pkt){
1028
        ist->pts= ist->next_pts; // needed for last packet if vsync=0
1029
    } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1030
        ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1031
    } else {
1032
//        assert(ist->pts == ist->next_pts);
1033
    }
1034

    
1035
    if (pkt == NULL) {
1036
        /* EOF handling */
1037
        ptr = NULL;
1038
        len = 0;
1039
        goto handle_eof;
1040
    }
1041

    
1042
    len = pkt->size;
1043
    ptr = pkt->data;
1044
    while (len > 0) {
1045
    handle_eof:
1046
        /* decode the packet if needed */
1047
        data_buf = NULL; /* fail safe */
1048
        data_size = 0;
1049
        subtitle_to_free = NULL;
1050
        if (ist->decoding_needed) {
1051
            switch(ist->st->codec->codec_type) {
1052
            case CODEC_TYPE_AUDIO:{
1053
                if(pkt)
1054
                    samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1055
                data_size= samples_size;
1056
                    /* XXX: could avoid copy if PCM 16 bits with same
1057
                       endianness as CPU */
1058
                ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1059
                                           ptr, len);
1060
                if (ret < 0)
1061
                    goto fail_decode;
1062
                ptr += ret;
1063
                len -= ret;
1064
                /* Some bug in mpeg audio decoder gives */
1065
                /* data_size < 0, it seems they are overflows */
1066
                if (data_size <= 0) {
1067
                    /* no audio frame */
1068
                    continue;
1069
                }
1070
                data_buf = (uint8_t *)samples;
1071
                ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1072
                    (ist->st->codec->sample_rate * ist->st->codec->channels);
1073
                break;}
1074
            case CODEC_TYPE_VIDEO:
1075
                    data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1076
                    /* XXX: allocate picture correctly */
1077
                    avcodec_get_frame_defaults(&picture);
1078

    
1079
                    ret = avcodec_decode_video(ist->st->codec,
1080
                                               &picture, &got_picture, ptr, len);
1081
                    ist->st->quality= picture.quality;
1082
                    if (ret < 0)
1083
                        goto fail_decode;
1084
                    if (!got_picture) {
1085
                        /* no picture yet */
1086
                        goto discard_packet;
1087
                    }
1088
                    if (ist->st->codec->time_base.num != 0) {
1089
                        ist->next_pts += ((int64_t)AV_TIME_BASE *
1090
                                          ist->st->codec->time_base.num) /
1091
                            ist->st->codec->time_base.den;
1092
                    }
1093
                    len = 0;
1094
                    break;
1095
            case CODEC_TYPE_SUBTITLE:
1096
                ret = avcodec_decode_subtitle(ist->st->codec,
1097
                                              &subtitle, &got_subtitle, ptr, len);
1098
                if (ret < 0)
1099
                    goto fail_decode;
1100
                if (!got_subtitle) {
1101
                    goto discard_packet;
1102
                }
1103
                subtitle_to_free = &subtitle;
1104
                len = 0;
1105
                break;
1106
            default:
1107
                goto fail_decode;
1108
            }
1109
        } else {
1110
            switch(ist->st->codec->codec_type) {
1111
            case CODEC_TYPE_AUDIO:
1112
                ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1113
                    (ist->st->codec->sample_rate * ist->st->codec->channels);
1114
                break;
1115
            case CODEC_TYPE_VIDEO:
1116
                if (ist->st->codec->time_base.num != 0) {
1117
                    ist->next_pts += ((int64_t)AV_TIME_BASE *
1118
                                      ist->st->codec->time_base.num) /
1119
                        ist->st->codec->time_base.den;
1120
                }
1121
                break;
1122
            }
1123
            data_buf = ptr;
1124
            data_size = len;
1125
            ret = len;
1126
            len = 0;
1127
        }
1128

    
1129
        buffer_to_free = NULL;
1130
        if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1131
            pre_process_video_frame(ist, (AVPicture *)&picture,
1132
                                    &buffer_to_free);
1133
        }
1134

    
1135
        // preprocess audio (volume)
1136
        if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1137
            if (audio_volume != 256) {
1138
                short *volp;
1139
                volp = samples;
1140
                for(i=0;i<(data_size / sizeof(short));i++) {
1141
                    int v = ((*volp) * audio_volume + 128) >> 8;
1142
                    if (v < -32768) v = -32768;
1143
                    if (v >  32767) v = 32767;
1144
                    *volp++ = v;
1145
                }
1146
            }
1147
        }
1148

    
1149
        /* frame rate emulation */
1150
        if (ist->st->codec->rate_emu) {
1151
            int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1152
            int64_t now = av_gettime() - ist->start;
1153
            if (pts > now)
1154
                usleep(pts - now);
1155

    
1156
            ist->frame++;
1157
        }
1158

    
1159
#if 0
1160
        /* mpeg PTS deordering : if it is a P or I frame, the PTS
1161
           is the one of the next displayed one */
1162
        /* XXX: add mpeg4 too ? */
1163
        if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1164
            if (ist->st->codec->pict_type != B_TYPE) {
1165
                int64_t tmp;
1166
                tmp = ist->last_ip_pts;
1167
                ist->last_ip_pts  = ist->frac_pts.val;
1168
                ist->frac_pts.val = tmp;
1169
            }
1170
        }
1171
#endif
1172
        /* if output time reached then transcode raw format,
1173
           encode packets and output them */
1174
        if (start_time == 0 || ist->pts >= start_time)
1175
            for(i=0;i<nb_ostreams;i++) {
1176
                int frame_size;
1177

    
1178
                ost = ost_table[i];
1179
                if (ost->source_index == ist_index) {
1180
                    os = output_files[ost->file_index];
1181

    
1182
#if 0
1183
                    printf("%d: got pts=%0.3f %0.3f\n", i,
1184
                           (double)pkt->pts / AV_TIME_BASE,
1185
                           ((double)ist->pts / AV_TIME_BASE) -
1186
                           ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1187
#endif
1188
                    /* set the input output pts pairs */
1189
                    //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1190

    
1191
                    if (ost->encoding_needed) {
1192
                        switch(ost->st->codec->codec_type) {
1193
                        case CODEC_TYPE_AUDIO:
1194
                            do_audio_out(os, ost, ist, data_buf, data_size);
1195
                            break;
1196
                        case CODEC_TYPE_VIDEO:
1197
                            do_video_out(os, ost, ist, &picture, &frame_size);
1198
                            video_size += frame_size;
1199
                            if (vstats_filename && frame_size)
1200
                                do_video_stats(os, ost, frame_size);
1201
                            break;
1202
                        case CODEC_TYPE_SUBTITLE:
1203
                            do_subtitle_out(os, ost, ist, &subtitle,
1204
                                            pkt->pts);
1205
                            break;
1206
                        default:
1207
                            abort();
1208
                        }
1209
                    } else {
1210
                        AVFrame avframe; //FIXME/XXX remove this
1211
                        AVPacket opkt;
1212
                        av_init_packet(&opkt);
1213

    
1214
                        if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1215
                            continue;
1216

    
1217
                        /* no reencoding needed : output the packet directly */
1218
                        /* force the input stream PTS */
1219

    
1220
                        avcodec_get_frame_defaults(&avframe);
1221
                        ost->st->codec->coded_frame= &avframe;
1222
                        avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1223

    
1224
                        if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1225
                            audio_size += data_size;
1226
                        else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1227
                            video_size += data_size;
1228
                            ost->sync_opts++;
1229
                        }
1230

    
1231
                        opkt.stream_index= ost->index;
1232
                        if(pkt->pts != AV_NOPTS_VALUE)
1233
                            opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1234
                        else
1235
                            opkt.pts= AV_NOPTS_VALUE;
1236

    
1237
                            if (pkt->dts == AV_NOPTS_VALUE)
1238
                                opkt.dts = av_rescale_q(ist->next_pts, AV_TIME_BASE_Q, ost->st->time_base);
1239
                            else
1240
                                opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1241

    
1242
                        opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1243
                        opkt.flags= pkt->flags;
1244

    
1245
                        //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1246
                        if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1247
                            opkt.destruct= av_destruct_packet;
1248

    
1249
                        write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1250
                        ost->st->codec->frame_number++;
1251
                        ost->frame_number++;
1252
                        av_free_packet(&opkt);
1253
                    }
1254
                }
1255
            }
1256
        av_free(buffer_to_free);
1257
        /* XXX: allocate the subtitles in the codec ? */
1258
        if (subtitle_to_free) {
1259
            if (subtitle_to_free->rects != NULL) {
1260
                for (i = 0; i < subtitle_to_free->num_rects; i++) {
1261
                    av_free(subtitle_to_free->rects[i].bitmap);
1262
                    av_free(subtitle_to_free->rects[i].rgba_palette);
1263
                }
1264
                av_freep(&subtitle_to_free->rects);
1265
            }
1266
            subtitle_to_free->num_rects = 0;
1267
            subtitle_to_free = NULL;
1268
        }
1269
    }
1270
 discard_packet:
1271
    if (pkt == NULL) {
1272
        /* EOF handling */
1273

    
1274
        for(i=0;i<nb_ostreams;i++) {
1275
            ost = ost_table[i];
1276
            if (ost->source_index == ist_index) {
1277
                AVCodecContext *enc= ost->st->codec;
1278
                os = output_files[ost->file_index];
1279

    
1280
                if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1281
                    continue;
1282
                if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1283
                    continue;
1284

    
1285
                if (ost->encoding_needed) {
1286
                    for(;;) {
1287
                        AVPacket pkt;
1288
                        int fifo_bytes;
1289
                        av_init_packet(&pkt);
1290
                        pkt.stream_index= ost->index;
1291

    
1292
                        switch(ost->st->codec->codec_type) {
1293
                        case CODEC_TYPE_AUDIO:
1294
                            fifo_bytes = av_fifo_size(&ost->fifo);
1295
                            ret = 0;
1296
                            /* encode any samples remaining in fifo */
1297
                            if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1298
                                int fs_tmp = enc->frame_size;
1299
                                enc->frame_size = fifo_bytes / (2 * enc->channels);
1300
                                if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1301
                                    ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1302
                                }
1303
                                enc->frame_size = fs_tmp;
1304
                            }
1305
                            if(ret <= 0) {
1306
                                ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1307
                            }
1308
                            audio_size += ret;
1309
                            pkt.flags |= PKT_FLAG_KEY;
1310
                            break;
1311
                        case CODEC_TYPE_VIDEO:
1312
                            ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1313
                            video_size += ret;
1314
                            if(enc->coded_frame && enc->coded_frame->key_frame)
1315
                                pkt.flags |= PKT_FLAG_KEY;
1316
                            if (ost->logfile && enc->stats_out) {
1317
                                fprintf(ost->logfile, "%s", enc->stats_out);
1318
                            }
1319
                            break;
1320
                        default:
1321
                            ret=-1;
1322
                        }
1323

    
1324
                        if(ret<=0)
1325
                            break;
1326
                        pkt.data= bit_buffer;
1327
                        pkt.size= ret;
1328
                        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1329
                            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1330
                        write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1331
                    }
1332
                }
1333
            }
1334
        }
1335
    }
1336

    
1337
    return 0;
1338
 fail_decode:
1339
    return -1;
1340
}
1341

    
1342

    
1343
/*
1344
 * The following code is the main loop of the file converter
1345
 */
1346
static int av_encode(AVFormatContext **output_files,
1347
                     int nb_output_files,
1348
                     AVFormatContext **input_files,
1349
                     int nb_input_files,
1350
                     AVStreamMap *stream_maps, int nb_stream_maps)
1351
{
1352
    int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1353
    AVFormatContext *is, *os;
1354
    AVCodecContext *codec, *icodec;
1355
    AVOutputStream *ost, **ost_table = NULL;
1356
    AVInputStream *ist, **ist_table = NULL;
1357
    AVInputFile *file_table;
1358
    int key;
1359

    
1360
    file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1361
    if (!file_table)
1362
        goto fail;
1363

    
1364
    /* input stream init */
1365
    j = 0;
1366
    for(i=0;i<nb_input_files;i++) {
1367
        is = input_files[i];
1368
        file_table[i].ist_index = j;
1369
        file_table[i].nb_streams = is->nb_streams;
1370
        j += is->nb_streams;
1371
    }
1372
    nb_istreams = j;
1373

    
1374
    ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1375
    if (!ist_table)
1376
        goto fail;
1377

    
1378
    for(i=0;i<nb_istreams;i++) {
1379
        ist = av_mallocz(sizeof(AVInputStream));
1380
        if (!ist)
1381
            goto fail;
1382
        ist_table[i] = ist;
1383
    }
1384
    j = 0;
1385
    for(i=0;i<nb_input_files;i++) {
1386
        is = input_files[i];
1387
        for(k=0;k<is->nb_streams;k++) {
1388
            ist = ist_table[j++];
1389
            ist->st = is->streams[k];
1390
            ist->file_index = i;
1391
            ist->index = k;
1392
            ist->discard = 1; /* the stream is discarded by default
1393
                                 (changed later) */
1394

    
1395
            if (ist->st->codec->rate_emu) {
1396
                ist->start = av_gettime();
1397
                ist->frame = 0;
1398
            }
1399
        }
1400
    }
1401

    
1402
    /* output stream init */
1403
    nb_ostreams = 0;
1404
    for(i=0;i<nb_output_files;i++) {
1405
        os = output_files[i];
1406
        if (!os->nb_streams) {
1407
            fprintf(stderr, "Output file does not contain any stream\n");
1408
            exit(1);
1409
        }
1410
        nb_ostreams += os->nb_streams;
1411
    }
1412
    if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1413
        fprintf(stderr, "Number of stream maps must match number of output streams\n");
1414
        exit(1);
1415
    }
1416

    
1417
    /* Sanity check the mapping args -- do the input files & streams exist? */
1418
    for(i=0;i<nb_stream_maps;i++) {
1419
        int fi = stream_maps[i].file_index;
1420
        int si = stream_maps[i].stream_index;
1421

    
1422
        if (fi < 0 || fi > nb_input_files - 1 ||
1423
            si < 0 || si > file_table[fi].nb_streams - 1) {
1424
            fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1425
            exit(1);
1426
        }
1427
        fi = stream_maps[i].sync_file_index;
1428
        si = stream_maps[i].sync_stream_index;
1429
        if (fi < 0 || fi > nb_input_files - 1 ||
1430
            si < 0 || si > file_table[fi].nb_streams - 1) {
1431
            fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1432
            exit(1);
1433
        }
1434
    }
1435

    
1436
    ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1437
    if (!ost_table)
1438
        goto fail;
1439
    for(i=0;i<nb_ostreams;i++) {
1440
        ost = av_mallocz(sizeof(AVOutputStream));
1441
        if (!ost)
1442
            goto fail;
1443
        ost_table[i] = ost;
1444
    }
1445

    
1446
    n = 0;
1447
    for(k=0;k<nb_output_files;k++) {
1448
        os = output_files[k];
1449
        for(i=0;i<os->nb_streams;i++) {
1450
            int found;
1451
            ost = ost_table[n++];
1452
            ost->file_index = k;
1453
            ost->index = i;
1454
            ost->st = os->streams[i];
1455
            if (nb_stream_maps > 0) {
1456
                ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1457
                    stream_maps[n-1].stream_index;
1458

    
1459
                /* Sanity check that the stream types match */
1460
                if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1461
                    fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1462
                        stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1463
                        ost->file_index, ost->index);
1464
                    exit(1);
1465
                }
1466

    
1467
            } else {
1468
                /* get corresponding input stream index : we select the first one with the right type */
1469
                found = 0;
1470
                for(j=0;j<nb_istreams;j++) {
1471
                    ist = ist_table[j];
1472
                    if (ist->discard &&
1473
                        ist->st->codec->codec_type == ost->st->codec->codec_type) {
1474
                        ost->source_index = j;
1475
                        found = 1;
1476
                        break;
1477
                    }
1478
                }
1479

    
1480
                if (!found) {
1481
                    /* try again and reuse existing stream */
1482
                    for(j=0;j<nb_istreams;j++) {
1483
                        ist = ist_table[j];
1484
                        if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1485
                            ost->source_index = j;
1486
                            found = 1;
1487
                        }
1488
                    }
1489
                    if (!found) {
1490
                        fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1491
                                ost->file_index, ost->index);
1492
                        exit(1);
1493
                    }
1494
                }
1495
            }
1496
            ist = ist_table[ost->source_index];
1497
            ist->discard = 0;
1498
            ost->sync_ist = (nb_stream_maps > 0) ?
1499
                ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1500
                         stream_maps[n-1].sync_stream_index] : ist;
1501
        }
1502
    }
1503

    
1504
    /* for each output stream, we compute the right encoding parameters */
1505
    for(i=0;i<nb_ostreams;i++) {
1506
        ost = ost_table[i];
1507
        os = output_files[ost->file_index];
1508
        ist = ist_table[ost->source_index];
1509

    
1510
        codec = ost->st->codec;
1511
        icodec = ist->st->codec;
1512

    
1513
        if (!ost->st->language[0])
1514
            av_strlcpy(ost->st->language, ist->st->language,
1515
                       sizeof(ost->st->language));
1516

    
1517
        if (ost->st->stream_copy) {
1518
            /* if stream_copy is selected, no need to decode or encode */
1519
            codec->codec_id = icodec->codec_id;
1520
            codec->codec_type = icodec->codec_type;
1521

    
1522
            if(!codec->codec_tag){
1523
                if(   !os->oformat->codec_tag
1524
                   || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1525
                   || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1526
                    codec->codec_tag = icodec->codec_tag;
1527
            }
1528

    
1529
            codec->bit_rate = icodec->bit_rate;
1530
            codec->extradata= icodec->extradata;
1531
            codec->extradata_size= icodec->extradata_size;
1532
            if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1533
                codec->time_base = icodec->time_base;
1534
            else
1535
                codec->time_base = ist->st->time_base;
1536
            switch(codec->codec_type) {
1537
            case CODEC_TYPE_AUDIO:
1538
                codec->sample_rate = icodec->sample_rate;
1539
                codec->channels = icodec->channels;
1540
                codec->frame_size = icodec->frame_size;
1541
                codec->block_align= icodec->block_align;
1542
                if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1543
                    codec->block_align= 0;
1544
                break;
1545
            case CODEC_TYPE_VIDEO:
1546
                if(using_vhook) {
1547
                    fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1548
                    exit(1);
1549
                }
1550
                codec->pix_fmt = icodec->pix_fmt;
1551
                codec->width = icodec->width;
1552
                codec->height = icodec->height;
1553
                codec->has_b_frames = icodec->has_b_frames;
1554
                break;
1555
            case CODEC_TYPE_SUBTITLE:
1556
                break;
1557
            default:
1558
                abort();
1559
            }
1560
        } else {
1561
            switch(codec->codec_type) {
1562
            case CODEC_TYPE_AUDIO:
1563
                if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1564
                    goto fail;
1565

    
1566
                if (codec->channels == icodec->channels &&
1567
                    codec->sample_rate == icodec->sample_rate) {
1568
                    ost->audio_resample = 0;
1569
                } else {
1570
                    if (codec->channels != icodec->channels &&
1571
                        (icodec->codec_id == CODEC_ID_AC3 ||
1572
                         icodec->codec_id == CODEC_ID_DTS)) {
1573
                        /* Special case for 5:1 AC3 and DTS input */
1574
                        /* and mono or stereo output      */
1575
                        /* Request specific number of channels */
1576
                        icodec->channels = codec->channels;
1577
                        if (codec->sample_rate == icodec->sample_rate)
1578
                            ost->audio_resample = 0;
1579
                        else {
1580
                            ost->audio_resample = 1;
1581
                        }
1582
                    } else {
1583
                        ost->audio_resample = 1;
1584
                    }
1585
                }
1586
                if(audio_sync_method>1)
1587
                    ost->audio_resample = 1;
1588

    
1589
                if(ost->audio_resample){
1590
                    ost->resample = audio_resample_init(codec->channels, icodec->channels,
1591
                                                    codec->sample_rate, icodec->sample_rate);
1592
                    if(!ost->resample){
1593
                        printf("Can't resample.  Aborting.\n");
1594
                        abort();
1595
                    }
1596
                }
1597
                ist->decoding_needed = 1;
1598
                ost->encoding_needed = 1;
1599
                break;
1600
            case CODEC_TYPE_VIDEO:
1601
                ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1602
                ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1603
                ost->video_resample = ((codec->width != icodec->width -
1604
                                (frame_leftBand + frame_rightBand) +
1605
                                (frame_padleft + frame_padright)) ||
1606
                        (codec->height != icodec->height -
1607
                                (frame_topBand  + frame_bottomBand) +
1608
                                (frame_padtop + frame_padbottom)) ||
1609
                        (codec->pix_fmt != icodec->pix_fmt));
1610
                if (ost->video_crop) {
1611
                    ost->topBand = frame_topBand;
1612
                    ost->leftBand = frame_leftBand;
1613
                }
1614
                if (ost->video_pad) {
1615
                    ost->padtop = frame_padtop;
1616
                    ost->padleft = frame_padleft;
1617
                    ost->padbottom = frame_padbottom;
1618
                    ost->padright = frame_padright;
1619
                    if (!ost->video_resample) {
1620
                        avcodec_get_frame_defaults(&ost->pict_tmp);
1621
                        if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1622
                                         codec->width, codec->height ) )
1623
                            goto fail;
1624
                    }
1625
                }
1626
                if (ost->video_resample) {
1627
                    avcodec_get_frame_defaults(&ost->pict_tmp);
1628
                    if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1629
                                         codec->width, codec->height ) ) {
1630
                        fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1631
                        exit(1);
1632
                    }
1633
                    sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1634
                    ost->img_resample_ctx = sws_getContext(
1635
                            icodec->width - (frame_leftBand + frame_rightBand),
1636
                            icodec->height - (frame_topBand + frame_bottomBand),
1637
                            icodec->pix_fmt,
1638
                            codec->width - (frame_padleft + frame_padright),
1639
                            codec->height - (frame_padtop + frame_padbottom),
1640
                            codec->pix_fmt,
1641
                            sws_flags, NULL, NULL, NULL);
1642
                    if (ost->img_resample_ctx == NULL) {
1643
                        fprintf(stderr, "Cannot get resampling context\n");
1644
                        exit(1);
1645
                    }
1646
                    ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1647
                }
1648
                ost->encoding_needed = 1;
1649
                ist->decoding_needed = 1;
1650
                break;
1651
            case CODEC_TYPE_SUBTITLE:
1652
                ost->encoding_needed = 1;
1653
                ist->decoding_needed = 1;
1654
                break;
1655
            default:
1656
                abort();
1657
                break;
1658
            }
1659
            /* two pass mode */
1660
            if (ost->encoding_needed &&
1661
                (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1662
                char logfilename[1024];
1663
                FILE *f;
1664
                int size;
1665
                char *logbuffer;
1666

    
1667
                snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1668
                         pass_logfilename ?
1669
                         pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1670
                if (codec->flags & CODEC_FLAG_PASS1) {
1671
                    f = fopen(logfilename, "w");
1672
                    if (!f) {
1673
                        perror(logfilename);
1674
                        exit(1);
1675
                    }
1676
                    ost->logfile = f;
1677
                } else {
1678
                    /* read the log file */
1679
                    f = fopen(logfilename, "r");
1680
                    if (!f) {
1681
                        perror(logfilename);
1682
                        exit(1);
1683
                    }
1684
                    fseek(f, 0, SEEK_END);
1685
                    size = ftell(f);
1686
                    fseek(f, 0, SEEK_SET);
1687
                    logbuffer = av_malloc(size + 1);
1688
                    if (!logbuffer) {
1689
                        fprintf(stderr, "Could not allocate log buffer\n");
1690
                        exit(1);
1691
                    }
1692
                    size = fread(logbuffer, 1, size, f);
1693
                    fclose(f);
1694
                    logbuffer[size] = '\0';
1695
                    codec->stats_in = logbuffer;
1696
                }
1697
            }
1698
        }
1699
        if(codec->codec_type == CODEC_TYPE_VIDEO){
1700
            int size= codec->width * codec->height;
1701
            bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1702
        }
1703
    }
1704

    
1705
    if (!bit_buffer)
1706
        bit_buffer = av_malloc(bit_buffer_size);
1707
    if (!bit_buffer)
1708
        goto fail;
1709

    
1710
    /* dump the file output parameters - cannot be done before in case
1711
       of stream copy */
1712
    for(i=0;i<nb_output_files;i++) {
1713
        dump_format(output_files[i], i, output_files[i]->filename, 1);
1714
    }
1715

    
1716
    /* dump the stream mapping */
1717
    if (verbose >= 0) {
1718
        fprintf(stderr, "Stream mapping:\n");
1719
        for(i=0;i<nb_ostreams;i++) {
1720
            ost = ost_table[i];
1721
            fprintf(stderr, "  Stream #%d.%d -> #%d.%d",
1722
                    ist_table[ost->source_index]->file_index,
1723
                    ist_table[ost->source_index]->index,
1724
                    ost->file_index,
1725
                    ost->index);
1726
            if (ost->sync_ist != ist_table[ost->source_index])
1727
                fprintf(stderr, " [sync #%d.%d]",
1728
                        ost->sync_ist->file_index,
1729
                        ost->sync_ist->index);
1730
            fprintf(stderr, "\n");
1731
        }
1732
    }
1733

    
1734
    /* open each encoder */
1735
    for(i=0;i<nb_ostreams;i++) {
1736
        ost = ost_table[i];
1737
        if (ost->encoding_needed) {
1738
            AVCodec *codec;
1739
            codec = avcodec_find_encoder(ost->st->codec->codec_id);
1740
            if (!codec) {
1741
                fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1742
                        ost->file_index, ost->index);
1743
                exit(1);
1744
            }
1745
            if (avcodec_open(ost->st->codec, codec) < 0) {
1746
                fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1747
                        ost->file_index, ost->index);
1748
                exit(1);
1749
            }
1750
            extra_size += ost->st->codec->extradata_size;
1751
        }
1752
    }
1753

    
1754
    /* open each decoder */
1755
    for(i=0;i<nb_istreams;i++) {
1756
        ist = ist_table[i];
1757
        if (ist->decoding_needed) {
1758
            AVCodec *codec;
1759
            codec = avcodec_find_decoder(ist->st->codec->codec_id);
1760
            if (!codec) {
1761
                fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1762
                        ist->st->codec->codec_id, ist->file_index, ist->index);
1763
                exit(1);
1764
            }
1765
            if (avcodec_open(ist->st->codec, codec) < 0) {
1766
                fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1767
                        ist->file_index, ist->index);
1768
                exit(1);
1769
            }
1770
            //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1771
            //    ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1772
        }
1773
    }
1774

    
1775
    /* init pts */
1776
    for(i=0;i<nb_istreams;i++) {
1777
        ist = ist_table[i];
1778
        is = input_files[ist->file_index];
1779
        ist->pts = 0;
1780
        ist->next_pts=0;
1781
        if(input_files_ts_offset[ist->file_index] != -is->start_time)
1782
            ist->next_pts= AV_NOPTS_VALUE;
1783
        ist->is_start = 1;
1784
    }
1785

    
1786
    /* set meta data information from input file if required */
1787
    for (i=0;i<nb_meta_data_maps;i++) {
1788
        AVFormatContext *out_file;
1789
        AVFormatContext *in_file;
1790

    
1791
        int out_file_index = meta_data_maps[i].out_file;
1792
        int in_file_index = meta_data_maps[i].in_file;
1793
        if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1794
            fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1795
            ret = AVERROR(EINVAL);
1796
            goto fail;
1797
        }
1798
        if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1799
            fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1800
            ret = AVERROR(EINVAL);
1801
            goto fail;
1802
        }
1803

    
1804
        out_file = output_files[out_file_index];
1805
        in_file = input_files[in_file_index];
1806

    
1807
        strcpy(out_file->title, in_file->title);
1808
        strcpy(out_file->author, in_file->author);
1809
        strcpy(out_file->copyright, in_file->copyright);
1810
        strcpy(out_file->comment, in_file->comment);
1811
        strcpy(out_file->album, in_file->album);
1812
        out_file->year = in_file->year;
1813
        out_file->track = in_file->track;
1814
        strcpy(out_file->genre, in_file->genre);
1815
    }
1816

    
1817
    /* open files and write file headers */
1818
    for(i=0;i<nb_output_files;i++) {
1819
        os = output_files[i];
1820
        if (av_write_header(os) < 0) {
1821
            fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1822
            ret = AVERROR(EINVAL);
1823
            goto fail;
1824
        }
1825
    }
1826

    
1827
    if ( !using_stdin && verbose >= 0) {
1828
        fprintf(stderr, "Press [q] to stop encoding\n");
1829
        url_set_interrupt_cb(decode_interrupt_cb);
1830
    }
1831
    term_init();
1832

    
1833
    key = -1;
1834
    timer_start = av_gettime();
1835

    
1836
    for(; received_sigterm == 0;) {
1837
        int file_index, ist_index;
1838
        AVPacket pkt;
1839
        double ipts_min;
1840
        double opts_min;
1841

    
1842
    redo:
1843
        ipts_min= 1e100;
1844
        opts_min= 1e100;
1845
        /* if 'q' pressed, exits */
1846
        if (!using_stdin) {
1847
            if (q_pressed)
1848
                break;
1849
            /* read_key() returns 0 on EOF */
1850
            key = read_key();
1851
            if (key == 'q')
1852
                break;
1853
        }
1854

    
1855
        /* select the stream that we must read now by looking at the
1856
           smallest output pts */
1857
        file_index = -1;
1858
        for(i=0;i<nb_ostreams;i++) {
1859
            double ipts, opts;
1860
            ost = ost_table[i];
1861
            os = output_files[ost->file_index];
1862
            ist = ist_table[ost->source_index];
1863
            if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1864
                opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1865
            else
1866
                opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1867
            ipts = (double)ist->pts;
1868
            if (!file_table[ist->file_index].eof_reached){
1869
                if(ipts < ipts_min) {
1870
                    ipts_min = ipts;
1871
                    if(input_sync ) file_index = ist->file_index;
1872
                }
1873
                if(opts < opts_min) {
1874
                    opts_min = opts;
1875
                    if(!input_sync) file_index = ist->file_index;
1876
                }
1877
            }
1878
            if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1879
                file_index= -1;
1880
                break;
1881
            }
1882
        }
1883
        /* if none, if is finished */
1884
        if (file_index < 0) {
1885
            break;
1886
        }
1887

    
1888
        /* finish if recording time exhausted */
1889
        if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1890
            break;
1891

    
1892
        /* finish if limit size exhausted */
1893
        if (limit_filesize != 0 && limit_filesize < url_ftell(&output_files[0]->pb))
1894
            break;
1895

    
1896
        /* read a frame from it and output it in the fifo */
1897
        is = input_files[file_index];
1898
        if (av_read_frame(is, &pkt) < 0) {
1899
            file_table[file_index].eof_reached = 1;
1900
            if (opt_shortest)
1901
                break;
1902
            else
1903
                continue;
1904
        }
1905

    
1906
        if (do_pkt_dump) {
1907
            av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1908
        }
1909
        /* the following test is needed in case new streams appear
1910
           dynamically in stream : we ignore them */
1911
        if (pkt.stream_index >= file_table[file_index].nb_streams)
1912
            goto discard_packet;
1913
        ist_index = file_table[file_index].ist_index + pkt.stream_index;
1914
        ist = ist_table[ist_index];
1915
        if (ist->discard)
1916
            goto discard_packet;
1917

    
1918
        if (pkt.dts != AV_NOPTS_VALUE)
1919
            pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1920
        if (pkt.pts != AV_NOPTS_VALUE)
1921
            pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1922

    
1923
//        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);
1924
        if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1925
            int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
1926
            if(FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE && !copy_ts){
1927
                input_files_ts_offset[ist->file_index]-= delta;
1928
                if (verbose > 2)
1929
                    fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1930
                pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1931
                if(pkt.pts != AV_NOPTS_VALUE)
1932
                    pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1933
            }
1934
        }
1935

    
1936
        //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1937
        if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1938

    
1939
            if (verbose >= 0)
1940
                fprintf(stderr, "Error while decoding stream #%d.%d\n",
1941
                        ist->file_index, ist->index);
1942

    
1943
            av_free_packet(&pkt);
1944
            goto redo;
1945
        }
1946

    
1947
    discard_packet:
1948
        av_free_packet(&pkt);
1949

    
1950
        /* dump report by using the output first video and audio streams */
1951
        print_report(output_files, ost_table, nb_ostreams, 0);
1952
    }
1953

    
1954
    /* at the end of stream, we must flush the decoder buffers */
1955
    for(i=0;i<nb_istreams;i++) {
1956
        ist = ist_table[i];
1957
        if (ist->decoding_needed) {
1958
            output_packet(ist, i, ost_table, nb_ostreams, NULL);
1959
        }
1960
    }
1961

    
1962
    term_exit();
1963

    
1964
    /* write the trailer if needed and close file */
1965
    for(i=0;i<nb_output_files;i++) {
1966
        os = output_files[i];
1967
        av_write_trailer(os);
1968
    }
1969

    
1970
    /* dump report by using the first video and audio streams */
1971
    print_report(output_files, ost_table, nb_ostreams, 1);
1972

    
1973
    /* close each encoder */
1974
    for(i=0;i<nb_ostreams;i++) {
1975
        ost = ost_table[i];
1976
        if (ost->encoding_needed) {
1977
            av_freep(&ost->st->codec->stats_in);
1978
            avcodec_close(ost->st->codec);
1979
        }
1980
    }
1981

    
1982
    /* close each decoder */
1983
    for(i=0;i<nb_istreams;i++) {
1984
        ist = ist_table[i];
1985
        if (ist->decoding_needed) {
1986
            avcodec_close(ist->st->codec);
1987
        }
1988
    }
1989

    
1990
    /* finished ! */
1991

    
1992
    ret = 0;
1993
 fail1:
1994
    av_freep(&bit_buffer);
1995
    av_free(file_table);
1996

    
1997
    if (ist_table) {
1998
        for(i=0;i<nb_istreams;i++) {
1999
            ist = ist_table[i];
2000
            av_free(ist);
2001
        }
2002
        av_free(ist_table);
2003
    }
2004
    if (ost_table) {
2005
        for(i=0;i<nb_ostreams;i++) {
2006
            ost = ost_table[i];
2007
            if (ost) {
2008
                if (ost->logfile) {
2009
                    fclose(ost->logfile);
2010
                    ost->logfile = NULL;
2011
                }
2012
                av_fifo_free(&ost->fifo); /* works even if fifo is not
2013
                                             initialized but set to zero */
2014
                av_free(ost->pict_tmp.data[0]);
2015
                if (ost->video_resample)
2016
                    sws_freeContext(ost->img_resample_ctx);
2017
                if (ost->audio_resample)
2018
                    audio_resample_close(ost->resample);
2019
                av_free(ost);
2020
            }
2021
        }
2022
        av_free(ost_table);
2023
    }
2024
    return ret;
2025
 fail:
2026
    ret = AVERROR(ENOMEM);
2027
    goto fail1;
2028
}
2029

    
2030
#if 0
2031
int file_read(const char *filename)
2032
{
2033
    URLContext *h;
2034
    unsigned char buffer[1024];
2035
    int len, i;
2036

2037
    if (url_open(&h, filename, O_RDONLY) < 0) {
2038
        printf("could not open '%s'\n", filename);
2039
        return -1;
2040
    }
2041
    for(;;) {
2042
        len = url_read(h, buffer, sizeof(buffer));
2043
        if (len <= 0)
2044
            break;
2045
        for(i=0;i<len;i++) putchar(buffer[i]);
2046
    }
2047
    url_close(h);
2048
    return 0;
2049
}
2050
#endif
2051

    
2052
static void opt_format(const char *arg)
2053
{
2054
    /* compatibility stuff for pgmyuv */
2055
    if (!strcmp(arg, "pgmyuv")) {
2056
        pgmyuv_compatibility_hack=1;
2057
//        opt_image_format(arg);
2058
        arg = "image2";
2059
        fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2060
    }
2061

    
2062
    file_iformat = av_find_input_format(arg);
2063
    file_oformat = guess_format(arg, NULL, NULL);
2064
    if (!file_iformat && !file_oformat) {
2065
        fprintf(stderr, "Unknown input or output format: %s\n", arg);
2066
        exit(1);
2067
    }
2068
}
2069

    
2070
static void opt_video_rc_eq(char *arg)
2071
{
2072
    video_rc_eq = arg;
2073
}
2074

    
2075
static void opt_video_rc_override_string(char *arg)
2076
{
2077
    video_rc_override_string = arg;
2078
}
2079

    
2080
static void opt_me_threshold(const char *arg)
2081
{
2082
    me_threshold = atoi(arg);
2083
}
2084

    
2085
static void opt_verbose(const char *arg)
2086
{
2087
    verbose = atoi(arg);
2088
    av_log_level = atoi(arg);
2089
}
2090

    
2091
static void opt_frame_rate(const char *arg)
2092
{
2093
    if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2094
        fprintf(stderr, "Incorrect frame rate\n");
2095
        exit(1);
2096
    }
2097
}
2098

    
2099
static void opt_frame_crop_top(const char *arg)
2100
{
2101
    frame_topBand = atoi(arg);
2102
    if (frame_topBand < 0) {
2103
        fprintf(stderr, "Incorrect top crop size\n");
2104
        exit(1);
2105
    }
2106
    if ((frame_topBand % 2) != 0) {
2107
        fprintf(stderr, "Top crop size must be a multiple of 2\n");
2108
        exit(1);
2109
    }
2110
    if ((frame_topBand) >= frame_height){
2111
        fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2112
        exit(1);
2113
    }
2114
    frame_height -= frame_topBand;
2115
}
2116

    
2117
static void opt_frame_crop_bottom(const char *arg)
2118
{
2119
    frame_bottomBand = atoi(arg);
2120
    if (frame_bottomBand < 0) {
2121
        fprintf(stderr, "Incorrect bottom crop size\n");
2122
        exit(1);
2123
    }
2124
    if ((frame_bottomBand % 2) != 0) {
2125
        fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2126
        exit(1);
2127
    }
2128
    if ((frame_bottomBand) >= frame_height){
2129
        fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2130
        exit(1);
2131
    }
2132
    frame_height -= frame_bottomBand;
2133
}
2134

    
2135
static void opt_frame_crop_left(const char *arg)
2136
{
2137
    frame_leftBand = atoi(arg);
2138
    if (frame_leftBand < 0) {
2139
        fprintf(stderr, "Incorrect left crop size\n");
2140
        exit(1);
2141
    }
2142
    if ((frame_leftBand % 2) != 0) {
2143
        fprintf(stderr, "Left crop size must be a multiple of 2\n");
2144
        exit(1);
2145
    }
2146
    if ((frame_leftBand) >= frame_width){
2147
        fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2148
        exit(1);
2149
    }
2150
    frame_width -= frame_leftBand;
2151
}
2152

    
2153
static void opt_frame_crop_right(const char *arg)
2154
{
2155
    frame_rightBand = atoi(arg);
2156
    if (frame_rightBand < 0) {
2157
        fprintf(stderr, "Incorrect right crop size\n");
2158
        exit(1);
2159
    }
2160
    if ((frame_rightBand % 2) != 0) {
2161
        fprintf(stderr, "Right crop size must be a multiple of 2\n");
2162
        exit(1);
2163
    }
2164
    if ((frame_rightBand) >= frame_width){
2165
        fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2166
        exit(1);
2167
    }
2168
    frame_width -= frame_rightBand;
2169
}
2170

    
2171
static void opt_frame_size(const char *arg)
2172
{
2173
    if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2174
        fprintf(stderr, "Incorrect frame size\n");
2175
        exit(1);
2176
    }
2177
    if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2178
        fprintf(stderr, "Frame size must be a multiple of 2\n");
2179
        exit(1);
2180
    }
2181
}
2182

    
2183

    
2184
#define SCALEBITS 10
2185
#define ONE_HALF  (1 << (SCALEBITS - 1))
2186
#define FIX(x)    ((int) ((x) * (1<<SCALEBITS) + 0.5))
2187

    
2188
#define RGB_TO_Y(r, g, b) \
2189
((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2190
  FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2191

    
2192
#define RGB_TO_U(r1, g1, b1, shift)\
2193
(((- FIX(0.16874) * r1 - FIX(0.33126) * g1 +         \
2194
     FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2195

    
2196
#define RGB_TO_V(r1, g1, b1, shift)\
2197
(((FIX(0.50000) * r1 - FIX(0.41869) * g1 -           \
2198
   FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2199

    
2200
static void opt_pad_color(const char *arg) {
2201
    /* Input is expected to be six hex digits similar to
2202
       how colors are expressed in html tags (but without the #) */
2203
    int rgb = strtol(arg, NULL, 16);
2204
    int r,g,b;
2205

    
2206
    r = (rgb >> 16);
2207
    g = ((rgb >> 8) & 255);
2208
    b = (rgb & 255);
2209

    
2210
    padcolor[0] = RGB_TO_Y(r,g,b);
2211
    padcolor[1] = RGB_TO_U(r,g,b,0);
2212
    padcolor[2] = RGB_TO_V(r,g,b,0);
2213
}
2214

    
2215
static void opt_frame_pad_top(const char *arg)
2216
{
2217
    frame_padtop = atoi(arg);
2218
    if (frame_padtop < 0) {
2219
        fprintf(stderr, "Incorrect top pad size\n");
2220
        exit(1);
2221
    }
2222
    if ((frame_padtop % 2) != 0) {
2223
        fprintf(stderr, "Top pad size must be a multiple of 2\n");
2224
        exit(1);
2225
    }
2226
}
2227

    
2228
static void opt_frame_pad_bottom(const char *arg)
2229
{
2230
    frame_padbottom = atoi(arg);
2231
    if (frame_padbottom < 0) {
2232
        fprintf(stderr, "Incorrect bottom pad size\n");
2233
        exit(1);
2234
    }
2235
    if ((frame_padbottom % 2) != 0) {
2236
        fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2237
        exit(1);
2238
    }
2239
}
2240

    
2241

    
2242
static void opt_frame_pad_left(const char *arg)
2243
{
2244
    frame_padleft = atoi(arg);
2245
    if (frame_padleft < 0) {
2246
        fprintf(stderr, "Incorrect left pad size\n");
2247
        exit(1);
2248
    }
2249
    if ((frame_padleft % 2) != 0) {
2250
        fprintf(stderr, "Left pad size must be a multiple of 2\n");
2251
        exit(1);
2252
    }
2253
}
2254

    
2255

    
2256
static void opt_frame_pad_right(const char *arg)
2257
{
2258
    frame_padright = atoi(arg);
2259
    if (frame_padright < 0) {
2260
        fprintf(stderr, "Incorrect right pad size\n");
2261
        exit(1);
2262
    }
2263
    if ((frame_padright % 2) != 0) {
2264
        fprintf(stderr, "Right pad size must be a multiple of 2\n");
2265
        exit(1);
2266
    }
2267
}
2268

    
2269
void list_pix_fmts(void)
2270
{
2271
    int i;
2272
    char pix_fmt_str[128];
2273
    for (i=-1; i < PIX_FMT_NB; i++) {
2274
        avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2275
        fprintf(stdout, "%s\n", pix_fmt_str);
2276
    }
2277
}
2278

    
2279
static void opt_frame_pix_fmt(const char *arg)
2280
{
2281
    if (strcmp(arg, "list"))
2282
        frame_pix_fmt = avcodec_get_pix_fmt(arg);
2283
    else {
2284
        list_pix_fmts();
2285
        exit(0);
2286
    }
2287
}
2288

    
2289
static void opt_frame_aspect_ratio(const char *arg)
2290
{
2291
    int x = 0, y = 0;
2292
    double ar = 0;
2293
    const char *p;
2294

    
2295
    p = strchr(arg, ':');
2296
    if (p) {
2297
        x = strtol(arg, (char **)&arg, 10);
2298
        if (arg == p)
2299
            y = strtol(arg+1, (char **)&arg, 10);
2300
        if (x > 0 && y > 0)
2301
            ar = (double)x / (double)y;
2302
    } else
2303
        ar = strtod(arg, (char **)&arg);
2304

    
2305
    if (!ar) {
2306
        fprintf(stderr, "Incorrect aspect ratio specification.\n");
2307
        exit(1);
2308
    }
2309
    frame_aspect_ratio = ar;
2310
}
2311

    
2312
static void opt_qscale(const char *arg)
2313
{
2314
    video_qscale = atof(arg);
2315
    if (video_qscale <= 0 ||
2316
        video_qscale > 255) {
2317
        fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2318
        exit(1);
2319
    }
2320
}
2321

    
2322
static void opt_qdiff(const char *arg)
2323
{
2324
    video_qdiff = atoi(arg);
2325
    if (video_qdiff < 0 ||
2326
        video_qdiff > 31) {
2327
        fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2328
        exit(1);
2329
    }
2330
}
2331

    
2332
static void opt_strict(const char *arg)
2333
{
2334
    strict= atoi(arg);
2335
}
2336

    
2337
static void opt_top_field_first(const char *arg)
2338
{
2339
    top_field_first= atoi(arg);
2340
}
2341

    
2342
static void opt_thread_count(const char *arg)
2343
{
2344
    thread_count= atoi(arg);
2345
#if !defined(HAVE_THREADS)
2346
    if (verbose >= 0)
2347
        fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2348
#endif
2349
}
2350

    
2351
static void opt_audio_rate(const char *arg)
2352
{
2353
    audio_sample_rate = atoi(arg);
2354
}
2355

    
2356
static void opt_audio_channels(const char *arg)
2357
{
2358
    audio_channels = atoi(arg);
2359
}
2360

    
2361
static void opt_video_channel(const char *arg)
2362
{
2363
    video_channel = strtol(arg, NULL, 0);
2364
}
2365

    
2366
static void opt_video_standard(const char *arg)
2367
{
2368
    video_standard = av_strdup(arg);
2369
}
2370

    
2371
static void opt_codec(int *pstream_copy, char **pcodec_name,
2372
                      int codec_type, const char *arg)
2373
{
2374
    av_freep(pcodec_name);
2375
    if (!strcmp(arg, "copy")) {
2376
        *pstream_copy = 1;
2377
    } else {
2378
        *pcodec_name = av_strdup(arg);
2379
    }
2380
}
2381

    
2382
static void opt_audio_codec(const char *arg)
2383
{
2384
    opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2385
}
2386

    
2387
static void opt_audio_tag(const char *arg)
2388
{
2389
    char *tail;
2390
    audio_codec_tag= strtol(arg, &tail, 0);
2391

    
2392
    if(!tail || *tail)
2393
        audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2394
}
2395

    
2396
static void opt_video_tag(const char *arg)
2397
{
2398
    char *tail;
2399
    video_codec_tag= strtol(arg, &tail, 0);
2400

    
2401
    if(!tail || *tail)
2402
        video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2403
}
2404

    
2405
#ifdef CONFIG_VHOOK
2406
static void add_frame_hooker(const char *arg)
2407
{
2408
    int argc = 0;
2409
    char *argv[64];
2410
    int i;
2411
    char *args = av_strdup(arg);
2412

    
2413
    using_vhook = 1;
2414

    
2415
    argv[0] = strtok(args, " ");
2416
    while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2417
    }
2418

    
2419
    i = frame_hook_add(argc, argv);
2420

    
2421
    if (i != 0) {
2422
        fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2423
        exit(1);
2424
    }
2425
}
2426
#endif
2427

    
2428
static void opt_video_codec(const char *arg)
2429
{
2430
    opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2431
}
2432

    
2433
static void opt_subtitle_codec(const char *arg)
2434
{
2435
    opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2436
}
2437

    
2438
static void opt_map(const char *arg)
2439
{
2440
    AVStreamMap *m;
2441
    const char *p;
2442

    
2443
    p = arg;
2444
    m = &stream_maps[nb_stream_maps++];
2445

    
2446
    m->file_index = strtol(arg, (char **)&p, 0);
2447
    if (*p)
2448
        p++;
2449

    
2450
    m->stream_index = strtol(p, (char **)&p, 0);
2451
    if (*p) {
2452
        p++;
2453
        m->sync_file_index = strtol(p, (char **)&p, 0);
2454
        if (*p)
2455
            p++;
2456
        m->sync_stream_index = strtol(p, (char **)&p, 0);
2457
    } else {
2458
        m->sync_file_index = m->file_index;
2459
        m->sync_stream_index = m->stream_index;
2460
    }
2461
}
2462

    
2463
static void opt_map_meta_data(const char *arg)
2464
{
2465
    AVMetaDataMap *m;
2466
    const char *p;
2467

    
2468
    p = arg;
2469
    m = &meta_data_maps[nb_meta_data_maps++];
2470

    
2471
    m->out_file = strtol(arg, (char **)&p, 0);
2472
    if (*p)
2473
        p++;
2474

    
2475
    m->in_file = strtol(p, (char **)&p, 0);
2476
}
2477

    
2478
static void opt_recording_time(const char *arg)
2479
{
2480
    recording_time = parse_date(arg, 1);
2481
}
2482

    
2483
static void opt_start_time(const char *arg)
2484
{
2485
    start_time = parse_date(arg, 1);
2486
}
2487

    
2488
static void opt_rec_timestamp(const char *arg)
2489
{
2490
    rec_timestamp = parse_date(arg, 0) / 1000000;
2491
}
2492

    
2493
static void opt_input_ts_offset(const char *arg)
2494
{
2495
    input_ts_offset = parse_date(arg, 1);
2496
}
2497

    
2498
static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2499
{
2500
    AVCodec *codec;
2501

    
2502
    if(!name)
2503
        return CODEC_ID_NONE;
2504
    codec = encoder ?
2505
        avcodec_find_encoder_by_name(name) :
2506
        avcodec_find_decoder_by_name(name);
2507
    if(!codec) {
2508
        av_log(NULL, AV_LOG_ERROR, "Unknown codec '%s'\n", name);
2509
        exit(1);
2510
    }
2511
    if(codec->type != type) {
2512
        av_log(NULL, AV_LOG_ERROR, "Invalid codec type '%s'\n", name);
2513
        exit(1);
2514
    }
2515
    return codec->id;
2516
}
2517

    
2518
static void opt_input_file(const char *filename)
2519
{
2520
    AVFormatContext *ic;
2521
    AVFormatParameters params, *ap = &params;
2522
    int err, i, ret, rfps, rfps_base;
2523
    int64_t timestamp;
2524

    
2525
    if (!strcmp(filename, "-"))
2526
        filename = "pipe:";
2527

    
2528
    using_stdin |= !strncmp(filename, "pipe:", 5) ||
2529
                   !strcmp( filename, "/dev/stdin" );
2530

    
2531
    /* get default parameters from command line */
2532
    ic = av_alloc_format_context();
2533

    
2534
    memset(ap, 0, sizeof(*ap));
2535
    ap->prealloced_context = 1;
2536
    ap->sample_rate = audio_sample_rate;
2537
    ap->channels = audio_channels;
2538
    ap->time_base.den = frame_rate.num;
2539
    ap->time_base.num = frame_rate.den;
2540
    ap->width = frame_width + frame_padleft + frame_padright;
2541
    ap->height = frame_height + frame_padtop + frame_padbottom;
2542
    ap->pix_fmt = frame_pix_fmt;
2543
    ap->channel = video_channel;
2544
    ap->standard = video_standard;
2545
    ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2546
    ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2547
    if(pgmyuv_compatibility_hack)
2548
        ap->video_codec_id= CODEC_ID_PGMYUV;
2549

    
2550
    for(i=0; i<opt_name_count; i++){
2551
        const AVOption *opt;
2552
        double d= av_get_double(avformat_opts, opt_names[i], &opt);
2553
        if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2554
            av_set_double(ic, opt_names[i], d);
2555
    }
2556
    /* open the input file with generic libav function */
2557
    err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2558
    if (err < 0) {
2559
        print_error(filename, err);
2560
        exit(1);
2561
    }
2562

    
2563
    ic->loop_input = loop_input;
2564

    
2565
    /* If not enough info to get the stream parameters, we decode the
2566
       first frames to get it. (used in mpeg case for example) */
2567
    ret = av_find_stream_info(ic);
2568
    if (ret < 0 && verbose >= 0) {
2569
        fprintf(stderr, "%s: could not find codec parameters\n", filename);
2570
        exit(1);
2571
    }
2572

    
2573
    timestamp = start_time;
2574
    /* add the stream start time */
2575
    if (ic->start_time != AV_NOPTS_VALUE)
2576
        timestamp += ic->start_time;
2577

    
2578
    /* if seeking requested, we execute it */
2579
    if (start_time != 0) {
2580
        ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2581
        if (ret < 0) {
2582
            fprintf(stderr, "%s: could not seek to position %0.3f\n",
2583
                    filename, (double)timestamp / AV_TIME_BASE);
2584
        }
2585
        /* reset seek info */
2586
        start_time = 0;
2587
    }
2588

    
2589
    /* update the current parameters so that they match the one of the input stream */
2590
    for(i=0;i<ic->nb_streams;i++) {
2591
        int j;
2592
        AVCodecContext *enc = ic->streams[i]->codec;
2593
        if(thread_count>1)
2594
            avcodec_thread_init(enc, thread_count);
2595
        enc->thread_count= thread_count;
2596
        switch(enc->codec_type) {
2597
        case CODEC_TYPE_AUDIO:
2598
            for(j=0; j<opt_name_count; j++){
2599
                const AVOption *opt;
2600
                double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2601
                if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2602
                    av_set_double(enc, opt_names[j], d);
2603
            }
2604
            //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2605
            audio_channels = enc->channels;
2606
            audio_sample_rate = enc->sample_rate;
2607
            if(audio_disable)
2608
                ic->streams[i]->discard= AVDISCARD_ALL;
2609
            break;
2610
        case CODEC_TYPE_VIDEO:
2611
            for(j=0; j<opt_name_count; j++){
2612
                const AVOption *opt;
2613
                double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2614
                if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2615
                    av_set_double(enc, opt_names[j], d);
2616
            }
2617
            frame_height = enc->height;
2618
            frame_width = enc->width;
2619
            frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2620
            frame_pix_fmt = enc->pix_fmt;
2621
            rfps      = ic->streams[i]->r_frame_rate.num;
2622
            rfps_base = ic->streams[i]->r_frame_rate.den;
2623
            if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2624
            if(me_threshold)
2625
                enc->debug |= FF_DEBUG_MV;
2626

    
2627
            if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2628

    
2629
                if (verbose >= 0)
2630
                    fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2631
                            i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2632

    
2633
                    (float)rfps / rfps_base, rfps, rfps_base);
2634
            }
2635
            /* update the current frame rate to match the stream frame rate */
2636
            frame_rate.num = rfps;
2637
            frame_rate.den = rfps_base;
2638

    
2639
            enc->rate_emu = rate_emu;
2640
            if(video_disable)
2641
                ic->streams[i]->discard= AVDISCARD_ALL;
2642
            else if(video_discard)
2643
                ic->streams[i]->discard= video_discard;
2644
            break;
2645
        case CODEC_TYPE_DATA:
2646
            break;
2647
        case CODEC_TYPE_SUBTITLE:
2648
            if(subtitle_disable)
2649
                ic->streams[i]->discard = AVDISCARD_ALL;
2650
            break;
2651
        case CODEC_TYPE_UNKNOWN:
2652
            break;
2653
        default:
2654
            abort();
2655
        }
2656
    }
2657

    
2658
    input_files[nb_input_files] = ic;
2659
    input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2660
    /* dump the file content */
2661
    if (verbose >= 0)
2662
        dump_format(ic, nb_input_files, filename, 0);
2663

    
2664
    nb_input_files++;
2665
    file_iformat = NULL;
2666
    file_oformat = NULL;
2667

    
2668
    video_channel = 0;
2669

    
2670
    rate_emu = 0;
2671
}
2672

    
2673
static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2674
                                         int *has_subtitle_ptr)
2675
{
2676
    int has_video, has_audio, has_subtitle, i, j;
2677
    AVFormatContext *ic;
2678

    
2679
    has_video = 0;
2680
    has_audio = 0;
2681
    has_subtitle = 0;
2682
    for(j=0;j<nb_input_files;j++) {
2683
        ic = input_files[j];
2684
        for(i=0;i<ic->nb_streams;i++) {
2685
            AVCodecContext *enc = ic->streams[i]->codec;
2686
            switch(enc->codec_type) {
2687
            case CODEC_TYPE_AUDIO:
2688
                has_audio = 1;
2689
                break;
2690
            case CODEC_TYPE_VIDEO:
2691
                has_video = 1;
2692
                break;
2693
            case CODEC_TYPE_SUBTITLE:
2694
                has_subtitle = 1;
2695
                break;
2696
            case CODEC_TYPE_DATA:
2697
            case CODEC_TYPE_UNKNOWN:
2698
                break;
2699
            default:
2700
                abort();
2701
            }
2702
        }
2703
    }
2704
    *has_video_ptr = has_video;
2705
    *has_audio_ptr = has_audio;
2706
    *has_subtitle_ptr = has_subtitle;
2707
}
2708

    
2709
static void new_video_stream(AVFormatContext *oc)
2710
{
2711
    AVStream *st;
2712
    AVCodecContext *video_enc;
2713
    int codec_id;
2714

    
2715
    st = av_new_stream(oc, oc->nb_streams);
2716
    if (!st) {
2717
        fprintf(stderr, "Could not alloc stream\n");
2718
        exit(1);
2719
    }
2720
    avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2721
    bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2722
    video_bitstream_filters= NULL;
2723

    
2724
    if(thread_count>1)
2725
        avcodec_thread_init(st->codec, thread_count);
2726

    
2727
    video_enc = st->codec;
2728

    
2729
    if(video_codec_tag)
2730
        video_enc->codec_tag= video_codec_tag;
2731

    
2732
    if(   (video_global_header&1)
2733
       || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2734
        video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2735
        avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2736
    }
2737
    if(video_global_header&2){
2738
        video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2739
        avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2740
    }
2741

    
2742
    if (video_stream_copy) {
2743
        st->stream_copy = 1;
2744
        video_enc->codec_type = CODEC_TYPE_VIDEO;
2745
    } else {
2746
        char *p;
2747
        int i;
2748
        AVCodec *codec;
2749

    
2750
        codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2751
        if (video_codec_name)
2752
            codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2753

    
2754
        video_enc->codec_id = codec_id;
2755
        codec = avcodec_find_encoder(codec_id);
2756

    
2757
        for(i=0; i<opt_name_count; i++){
2758
             const AVOption *opt;
2759
             double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2760
             if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2761
                 av_set_double(video_enc, opt_names[i], d);
2762
        }
2763

    
2764
        video_enc->time_base.den = frame_rate.num;
2765
        video_enc->time_base.num = frame_rate.den;
2766
        if(codec && codec->supported_framerates){
2767
            const AVRational *p= codec->supported_framerates;
2768
            AVRational req= (AVRational){frame_rate.num, frame_rate.den};
2769
            const AVRational *best=NULL;
2770
            AVRational best_error= (AVRational){INT_MAX, 1};
2771
            for(; p->den!=0; p++){
2772
                AVRational error= av_sub_q(req, *p);
2773
                if(error.num <0) error.num *= -1;
2774
                if(av_cmp_q(error, best_error) < 0){
2775
                    best_error= error;
2776
                    best= p;
2777
                }
2778
            }
2779
            video_enc->time_base.den= best->num;
2780
            video_enc->time_base.num= best->den;
2781
        }
2782

    
2783
        video_enc->width = frame_width + frame_padright + frame_padleft;
2784
        video_enc->height = frame_height + frame_padtop + frame_padbottom;
2785
        video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2786
        video_enc->pix_fmt = frame_pix_fmt;
2787

    
2788
        if(codec && codec->pix_fmts){
2789
            const enum PixelFormat *p= codec->pix_fmts;
2790
            for(; *p!=-1; p++){
2791
                if(*p == video_enc->pix_fmt)
2792
                    break;
2793
            }
2794
            if(*p == -1)
2795
                video_enc->pix_fmt = codec->pix_fmts[0];
2796
        }
2797

    
2798
        if (intra_only)
2799
            video_enc->gop_size = 0;
2800
        if (video_qscale || same_quality) {
2801
            video_enc->flags |= CODEC_FLAG_QSCALE;
2802
            video_enc->global_quality=
2803
                st->quality = FF_QP2LAMBDA * video_qscale;
2804
        }
2805

    
2806
        if(intra_matrix)
2807
            video_enc->intra_matrix = intra_matrix;
2808
        if(inter_matrix)
2809
            video_enc->inter_matrix = inter_matrix;
2810

    
2811
        video_enc->max_qdiff = video_qdiff;
2812
        video_enc->rc_eq = video_rc_eq;
2813
        video_enc->thread_count = thread_count;
2814
        p= video_rc_override_string;
2815
        for(i=0; p; i++){
2816
            int start, end, q;
2817
            int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2818
            if(e!=3){
2819
                fprintf(stderr, "error parsing rc_override\n");
2820
                exit(1);
2821
            }
2822
            video_enc->rc_override=
2823
                av_realloc(video_enc->rc_override,
2824
                           sizeof(RcOverride)*(i+1));
2825
            video_enc->rc_override[i].start_frame= start;
2826
            video_enc->rc_override[i].end_frame  = end;
2827
            if(q>0){
2828
                video_enc->rc_override[i].qscale= q;
2829
                video_enc->rc_override[i].quality_factor= 1.0;
2830
            }
2831
            else{
2832
                video_enc->rc_override[i].qscale= 0;
2833
                video_enc->rc_override[i].quality_factor= -q/100.0;
2834
            }
2835
            p= strchr(p, '/');
2836
            if(p) p++;
2837
        }
2838
        video_enc->rc_override_count=i;
2839
        if (!video_enc->rc_initial_buffer_occupancy)
2840
            video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2841
        video_enc->me_threshold= me_threshold;
2842
        video_enc->intra_dc_precision= intra_dc_precision - 8;
2843
        video_enc->strict_std_compliance = strict;
2844

    
2845
        if (do_psnr)
2846
            video_enc->flags|= CODEC_FLAG_PSNR;
2847

    
2848
        /* two pass mode */
2849
        if (do_pass) {
2850
            if (do_pass == 1) {
2851
                video_enc->flags |= CODEC_FLAG_PASS1;
2852
            } else {
2853
                video_enc->flags |= CODEC_FLAG_PASS2;
2854
            }
2855
        }
2856
    }
2857

    
2858
    /* reset some key parameters */
2859
    video_disable = 0;
2860
    av_freep(&video_codec_name);
2861
    video_stream_copy = 0;
2862
}
2863

    
2864
static void new_audio_stream(AVFormatContext *oc)
2865
{
2866
    AVStream *st;
2867
    AVCodecContext *audio_enc;
2868
    int codec_id, i;
2869

    
2870
    st = av_new_stream(oc, oc->nb_streams);
2871
    if (!st) {
2872
        fprintf(stderr, "Could not alloc stream\n");
2873
        exit(1);
2874
    }
2875
    avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
2876

    
2877
    bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2878
    audio_bitstream_filters= NULL;
2879

    
2880
    if(thread_count>1)
2881
        avcodec_thread_init(st->codec, thread_count);
2882

    
2883
    audio_enc = st->codec;
2884
    audio_enc->codec_type = CODEC_TYPE_AUDIO;
2885
    audio_enc->strict_std_compliance = strict;
2886

    
2887
    if(audio_codec_tag)
2888
        audio_enc->codec_tag= audio_codec_tag;
2889

    
2890
    if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2891
        audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2892
        avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2893
    }
2894
    if (audio_stream_copy) {
2895
        st->stream_copy = 1;
2896
        audio_enc->channels = audio_channels;
2897
    } else {
2898
        codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2899

    
2900
        for(i=0; i<opt_name_count; i++){
2901
            const AVOption *opt;
2902
            double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2903
            if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2904
                av_set_double(audio_enc, opt_names[i], d);
2905
        }
2906

    
2907
        if (audio_codec_name)
2908
            codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
2909
        audio_enc->codec_id = codec_id;
2910

    
2911
        if (audio_qscale > QSCALE_NONE) {
2912
            audio_enc->flags |= CODEC_FLAG_QSCALE;
2913
            audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2914
        }
2915
        audio_enc->thread_count = thread_count;
2916
        audio_enc->channels = audio_channels;
2917
    }
2918
    audio_enc->sample_rate = audio_sample_rate;
2919
    audio_enc->time_base= (AVRational){1, audio_sample_rate};
2920
    if (audio_language) {
2921
        av_strlcpy(st->language, audio_language, sizeof(st->language));
2922
        av_free(audio_language);
2923
        audio_language = NULL;
2924
    }
2925

    
2926
    /* reset some key parameters */
2927
    audio_disable = 0;
2928
    av_freep(&audio_codec_name);
2929
    audio_stream_copy = 0;
2930
}
2931

    
2932
static void new_subtitle_stream(AVFormatContext *oc)
2933
{
2934
    AVStream *st;
2935
    AVCodecContext *subtitle_enc;
2936
    int i;
2937

    
2938
    st = av_new_stream(oc, oc->nb_streams);
2939
    if (!st) {
2940
        fprintf(stderr, "Could not alloc stream\n");
2941
        exit(1);
2942
    }
2943
    avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
2944

    
2945
    subtitle_enc = st->codec;
2946
    subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2947
    if (subtitle_stream_copy) {
2948
        st->stream_copy = 1;
2949
    } else {
2950
        for(i=0; i<opt_name_count; i++){
2951
             const AVOption *opt;
2952
             double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2953
             if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2954
                 av_set_double(subtitle_enc, opt_names[i], d);
2955
        }
2956
        subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
2957
    }
2958

    
2959
    if (subtitle_language) {
2960
        av_strlcpy(st->language, subtitle_language, sizeof(st->language));
2961
        av_free(subtitle_language);
2962
        subtitle_language = NULL;
2963
    }
2964

    
2965
    subtitle_disable = 0;
2966
    av_freep(&subtitle_codec_name);
2967
    subtitle_stream_copy = 0;
2968
}
2969

    
2970
static void opt_new_audio_stream(void)
2971
{
2972
    AVFormatContext *oc;
2973
    if (nb_output_files <= 0) {
2974
        fprintf(stderr, "At least one output file must be specified\n");
2975
        exit(1);
2976
    }
2977
    oc = output_files[nb_output_files - 1];
2978
    new_audio_stream(oc);
2979
}
2980

    
2981
static void opt_new_video_stream(void)
2982
{
2983
    AVFormatContext *oc;
2984
    if (nb_output_files <= 0) {
2985
        fprintf(stderr, "At least one output file must be specified\n");
2986
        exit(1);
2987
    }
2988
    oc = output_files[nb_output_files - 1];
2989
    new_video_stream(oc);
2990
}
2991

    
2992
static void opt_new_subtitle_stream(void)
2993
{
2994
    AVFormatContext *oc;
2995
    if (nb_output_files <= 0) {
2996
        fprintf(stderr, "At least one output file must be specified\n");
2997
        exit(1);
2998
    }
2999
    oc = output_files[nb_output_files - 1];
3000
    new_subtitle_stream(oc);
3001
}
3002

    
3003
static void opt_output_file(const char *filename)
3004
{
3005
    AVFormatContext *oc;
3006
    int use_video, use_audio, use_subtitle;
3007
    int input_has_video, input_has_audio, input_has_subtitle, i;
3008
    AVFormatParameters params, *ap = &params;
3009

    
3010
    if (!strcmp(filename, "-"))
3011
        filename = "pipe:";
3012

    
3013
    oc = av_alloc_format_context();
3014

    
3015
    if (!file_oformat) {
3016
        file_oformat = guess_format(NULL, filename, NULL);
3017
        if (!file_oformat) {
3018
            fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3019
                    filename);
3020
            exit(1);
3021
        }
3022
    }
3023

    
3024
    oc->oformat = file_oformat;
3025
    av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3026

    
3027
    if (!strcmp(file_oformat->name, "ffm") &&
3028
        av_strstart(filename, "http:", NULL)) {
3029
        /* special case for files sent to ffserver: we get the stream
3030
           parameters from ffserver */
3031
        if (read_ffserver_streams(oc, filename) < 0) {
3032
            fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3033
            exit(1);
3034
        }
3035
    } else {
3036
        use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3037
        use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3038
        use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3039

    
3040
        /* disable if no corresponding type found and at least one
3041
           input file */
3042
        if (nb_input_files > 0) {
3043
            check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3044
                                         &input_has_subtitle);
3045
            if (!input_has_video)
3046
                use_video = 0;
3047
            if (!input_has_audio)
3048
                use_audio = 0;
3049
            if (!input_has_subtitle)
3050
                use_subtitle = 0;
3051
        }
3052

    
3053
        /* manual disable */
3054
        if (audio_disable) {
3055
            use_audio = 0;
3056
        }
3057
        if (video_disable) {
3058
            use_video = 0;
3059
        }
3060
        if (subtitle_disable) {
3061
            use_subtitle = 0;
3062
        }
3063

    
3064
        if (use_video) {
3065
            new_video_stream(oc);
3066
        }
3067

    
3068
        if (use_audio) {
3069
            new_audio_stream(oc);
3070
        }
3071

    
3072
        if (use_subtitle) {
3073
            new_subtitle_stream(oc);
3074
        }
3075

    
3076
        oc->timestamp = rec_timestamp;
3077

    
3078
        if (str_title)
3079
            av_strlcpy(oc->title, str_title, sizeof(oc->title));
3080
        if (str_author)
3081
            av_strlcpy(oc->author, str_author, sizeof(oc->author));
3082
        if (str_copyright)
3083
            av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3084
        if (str_comment)
3085
            av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3086
        if (str_album)
3087
            av_strlcpy(oc->album, str_album, sizeof(oc->album));
3088
    }
3089

    
3090
    output_files[nb_output_files++] = oc;
3091

    
3092
    /* check filename in case of an image number is expected */
3093
    if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3094
        if (!av_filename_number_test(oc->filename)) {
3095
            print_error(oc->filename, AVERROR_NUMEXPECTED);
3096
            exit(1);
3097
        }
3098
    }
3099

    
3100
    if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3101
        /* test if it already exists to avoid loosing precious files */
3102
        if (!file_overwrite &&
3103
            (strchr(filename, ':') == NULL ||
3104
             av_strstart(filename, "file:", NULL))) {
3105
            if (url_exist(filename)) {
3106
                int c;
3107

    
3108
                if ( !using_stdin ) {
3109
                    fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3110
                    fflush(stderr);
3111
                    c = getchar();
3112
                    if (toupper(c) != 'Y') {
3113
                        fprintf(stderr, "Not overwriting - exiting\n");
3114
                        exit(1);
3115
                    }
3116
                                }
3117
                                else {
3118
                    fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3119
                    exit(1);
3120
                                }
3121
            }
3122
        }
3123

    
3124
        /* open the file */
3125
        if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3126
            fprintf(stderr, "Could not open '%s'\n", filename);
3127
            exit(1);
3128
        }
3129
    }
3130

    
3131
    memset(ap, 0, sizeof(*ap));
3132
    if (av_set_parameters(oc, ap) < 0) {
3133
        fprintf(stderr, "%s: Invalid encoding parameters\n",
3134
                oc->filename);
3135
        exit(1);
3136
    }
3137

    
3138
    oc->preload= (int)(mux_preload*AV_TIME_BASE);
3139
    oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3140
    oc->loop_output = loop_output;
3141

    
3142
    for(i=0; i<opt_name_count; i++){
3143
        const AVOption *opt;
3144
        double d = av_get_double(avformat_opts, opt_names[i], &opt);
3145
        if(d==d && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3146
            av_set_double(oc, opt_names[i], d);
3147
    }
3148

    
3149
    /* reset some options */
3150
    file_oformat = NULL;
3151
    file_iformat = NULL;
3152
}
3153

    
3154
/* same option as mencoder */
3155
static void opt_pass(const char *pass_str)
3156
{
3157
    int pass;
3158
    pass = atoi(pass_str);
3159
    if (pass != 1 && pass != 2) {
3160
        fprintf(stderr, "pass number can be only 1 or 2\n");
3161
        exit(1);
3162
    }
3163
    do_pass = pass;
3164
}
3165

    
3166
static int64_t getutime(void)
3167
{
3168
#ifdef HAVE_GETRUSAGE
3169
    struct rusage rusage;
3170

    
3171
    getrusage(RUSAGE_SELF, &rusage);
3172
    return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3173
#elif defined(HAVE_GETPROCESSTIMES)
3174
    HANDLE proc;
3175
    FILETIME c, e, k, u;
3176
    proc = GetCurrentProcess();
3177
    GetProcessTimes(proc, &c, &e, &k, &u);
3178
    return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3179
#else
3180
    return av_gettime();
3181
#endif
3182
}
3183

    
3184
#if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3185
extern int ffm_nopts;
3186
#endif
3187

    
3188
static void show_formats(void)
3189
{
3190
    AVInputFormat *ifmt;
3191
    AVOutputFormat *ofmt;
3192
    URLProtocol *up;
3193
    AVCodec *p, *p2;
3194
    const char *last_name;
3195

    
3196
    printf("File formats:\n");
3197
    last_name= "000";
3198
    for(;;){
3199
        int decode=0;
3200
        int encode=0;
3201
        const char *name=NULL;
3202
        const char *long_name=NULL;
3203

    
3204
        for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3205
            if((name == NULL || strcmp(ofmt->name, name)<0) &&
3206
                strcmp(ofmt->name, last_name)>0){
3207
                name= ofmt->name;
3208
                long_name= ofmt->long_name;
3209
                encode=1;
3210
            }
3211
        }
3212
        for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3213
            if((name == NULL || strcmp(ifmt->name, name)<0) &&
3214
                strcmp(ifmt->name, last_name)>0){
3215
                name= ifmt->name;
3216
                long_name= ifmt->long_name;
3217
                encode=0;
3218
            }
3219
            if(name && strcmp(ifmt->name, name)==0)
3220
                decode=1;
3221
        }
3222
        if(name==NULL)
3223
            break;
3224
        last_name= name;
3225

    
3226
        printf(
3227
            " %s%s %-15s %s\n",
3228
            decode ? "D":" ",
3229
            encode ? "E":" ",
3230
            name,
3231
            long_name ? long_name:" ");
3232
    }
3233
    printf("\n");
3234

    
3235
    printf("Codecs:\n");
3236
    last_name= "000";
3237
    for(;;){
3238
        int decode=0;
3239
        int encode=0;
3240
        int cap=0;
3241
        const char *type_str;
3242

    
3243
        p2=NULL;
3244
        for(p = first_avcodec; p != NULL; p = p->next) {
3245
            if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3246
                strcmp(p->name, last_name)>0){
3247
                p2= p;
3248
                decode= encode= cap=0;
3249
            }
3250
            if(p2 && strcmp(p->name, p2->name)==0){
3251
                if(p->decode) decode=1;
3252
                if(p->encode) encode=1;
3253
                cap |= p->capabilities;
3254
            }
3255
        }
3256
        if(p2==NULL)
3257
            break;
3258
        last_name= p2->name;
3259

    
3260
        switch(p2->type) {
3261
        case CODEC_TYPE_VIDEO:
3262
            type_str = "V";
3263
            break;
3264
        case CODEC_TYPE_AUDIO:
3265
            type_str = "A";
3266
            break;
3267
        case CODEC_TYPE_SUBTITLE:
3268
            type_str = "S";
3269
            break;
3270
        default:
3271
            type_str = "?";
3272
            break;
3273
        }
3274
        printf(
3275
            " %s%s%s%s%s%s %s",
3276
            decode ? "D": (/*p2->decoder ? "d":*/" "),
3277
            encode ? "E":" ",
3278
            type_str,
3279
            cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3280
            cap & CODEC_CAP_DR1 ? "D":" ",
3281
            cap & CODEC_CAP_TRUNCATED ? "T":" ",
3282
            p2->name);
3283
       /* if(p2->decoder && decode==0)
3284
            printf(" use %s for decoding", p2->decoder->name);*/
3285
        printf("\n");
3286
    }
3287
    printf("\n");
3288

    
3289
    printf("Supported file protocols:\n");
3290
    for(up = first_protocol; up != NULL; up = up->next)
3291
        printf(" %s:", up->name);
3292
    printf("\n");
3293

    
3294
    printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3295
    printf("\n");
3296
    printf(
3297
"Note, the names of encoders and decoders do not always match, so there are\n"
3298
"several cases where the above table shows encoder only or decoder only entries\n"
3299
"even though both encoding and decoding are supported. For example, the h263\n"
3300
"decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
3301
"worse.\n");
3302
    exit(1);
3303
}
3304

    
3305
static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3306
{
3307
    int i;
3308
    const char *p = str;
3309
    for(i = 0;; i++) {
3310
        dest[i] = atoi(p);
3311
        if(i == 63)
3312
            break;
3313
        p = strchr(p, ',');
3314
        if(!p) {
3315
            fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3316
            exit(1);
3317
        }
3318
        p++;
3319
    }
3320
}
3321

    
3322
static void opt_inter_matrix(const char *arg)
3323
{
3324
    inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3325
    parse_matrix_coeffs(inter_matrix, arg);
3326
}
3327

    
3328
static void opt_intra_matrix(const char *arg)
3329
{
3330
    intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3331
    parse_matrix_coeffs(intra_matrix, arg);
3332
}
3333

    
3334
static void opt_target(const char *arg)
3335
{
3336
    int norm = -1;
3337
    static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3338

    
3339
    if(!strncmp(arg, "pal-", 4)) {
3340
        norm = 0;
3341
        arg += 4;
3342
    } else if(!strncmp(arg, "ntsc-", 5)) {
3343
        norm = 1;
3344
        arg += 5;
3345
    } else if(!strncmp(arg, "film-", 5)) {
3346
        norm = 2;
3347
        arg += 5;
3348
    } else {
3349
        int fr;
3350
        /* Calculate FR via float to avoid int overflow */
3351
        fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3352
        if(fr == 25000) {
3353
            norm = 0;
3354
        } else if((fr == 29970) || (fr == 23976)) {
3355
            norm = 1;
3356
        } else {
3357
            /* Try to determine PAL/NTSC by peeking in the input files */
3358
            if(nb_input_files) {
3359
                int i, j;
3360
                for(j = 0; j < nb_input_files; j++) {
3361
                    for(i = 0; i < input_files[j]->nb_streams; i++) {
3362
                        AVCodecContext *c = input_files[j]->streams[i]->codec;
3363
                        if(c->codec_type != CODEC_TYPE_VIDEO)
3364
                            continue;
3365
                        fr = c->time_base.den * 1000 / c->time_base.num;
3366
                        if(fr == 25000) {
3367
                            norm = 0;
3368
                            break;
3369
                        } else if((fr == 29970) || (fr == 23976)) {
3370
                            norm = 1;
3371
                            break;
3372
                        }
3373
                    }
3374
                    if(norm >= 0)
3375
                        break;
3376
                }
3377
            }
3378
        }
3379
        if(verbose && norm >= 0)
3380
            fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3381
    }
3382

    
3383
    if(norm < 0) {
3384
        fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3385
        fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3386
        fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3387
        exit(1);
3388
    }
3389

    
3390
    if(!strcmp(arg, "vcd")) {
3391

    
3392
        opt_video_codec("mpeg1video");
3393
        opt_audio_codec("mp2");
3394
        opt_format("vcd");
3395

    
3396
        opt_frame_size(norm ? "352x240" : "352x288");
3397
        opt_frame_rate(frame_rates[norm]);
3398
        opt_default("gop", norm ? "18" : "15");
3399

    
3400
        opt_default("b", "1150000");
3401
        opt_default("maxrate", "1150000");
3402
        opt_default("minrate", "1150000");
3403
        opt_default("bufsize", "327680"); // 40*1024*8;
3404

    
3405
        opt_default("ab", "224000");
3406
        audio_sample_rate = 44100;
3407
        audio_channels = 2;
3408

    
3409
        opt_default("packetsize", "2324");
3410
        opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3411

    
3412
        /* We have to offset the PTS, so that it is consistent with the SCR.
3413
           SCR starts at 36000, but the first two packs contain only padding
3414
           and the first pack from the other stream, respectively, may also have
3415
           been written before.
3416
           So the real data starts at SCR 36000+3*1200. */
3417
        mux_preload= (36000+3*1200) / 90000.0; //0.44
3418
    } else if(!strcmp(arg, "svcd")) {
3419

    
3420
        opt_video_codec("mpeg2video");
3421
        opt_audio_codec("mp2");
3422
        opt_format("svcd");
3423

    
3424
        opt_frame_size(norm ? "480x480" : "480x576");
3425
        opt_frame_rate(frame_rates[norm]);
3426
        opt_default("gop", norm ? "18" : "15");
3427

    
3428
        opt_default("b", "2040000");
3429
        opt_default("maxrate", "2516000");
3430
        opt_default("minrate", "0"); //1145000;
3431
        opt_default("bufsize", "1835008"); //224*1024*8;
3432
        opt_default("flags", "+SCAN_OFFSET");
3433

    
3434

    
3435
        opt_default("ab", "224000");
3436
        audio_sample_rate = 44100;
3437

    
3438
        opt_default("packetsize", "2324");
3439

    
3440
    } else if(!strcmp(arg, "dvd")) {
3441

    
3442
        opt_video_codec("mpeg2video");
3443
        opt_audio_codec("ac3");
3444
        opt_format("dvd");
3445

    
3446
        opt_frame_size(norm ? "720x480" : "720x576");
3447
        opt_frame_rate(frame_rates[norm]);
3448
        opt_default("gop", norm ? "18" : "15");
3449

    
3450
        opt_default("b", "6000000");
3451
        opt_default("maxrate", "9000000");
3452
        opt_default("minrate", "0"); //1500000;
3453
        opt_default("bufsize", "1835008"); //224*1024*8;
3454

    
3455
        opt_default("packetsize", "2048");  // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3456
        opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3457

    
3458
        opt_default("ab", "448000");
3459
        audio_sample_rate = 48000;
3460

    
3461
    } else if(!strncmp(arg, "dv", 2)) {
3462

    
3463
        opt_format("dv");
3464

    
3465
        opt_frame_size(norm ? "720x480" : "720x576");
3466
        opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3467
                                             (norm ? "yuv411p" : "yuv420p"));
3468
        opt_frame_rate(frame_rates[norm]);
3469

    
3470
        audio_sample_rate = 48000;
3471
        audio_channels = 2;
3472

    
3473
    } else {
3474
        fprintf(stderr, "Unknown target: %s\n", arg);
3475
        exit(1);
3476
    }
3477
}
3478

    
3479
static void opt_vstats_file (const char *arg)
3480
{
3481
    av_free (vstats_filename);
3482
    vstats_filename=av_strdup (arg);
3483
}
3484

    
3485
static void opt_vstats (void)
3486
{
3487
    char filename[40];
3488
    time_t today2 = time(NULL);
3489
    struct tm *today = localtime(&today2);
3490

    
3491
    snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3492
             today->tm_sec);
3493
    opt_vstats_file(filename);
3494
}
3495

    
3496
static void opt_video_bsf(const char *arg)
3497
{
3498
    AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3499
    AVBitStreamFilterContext **bsfp;
3500

    
3501
    if(!bsfc){
3502
        fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3503
        exit(1);
3504
    }
3505

    
3506
    bsfp= &video_bitstream_filters;
3507
    while(*bsfp)
3508
        bsfp= &(*bsfp)->next;
3509

    
3510
    *bsfp= bsfc;
3511
}
3512

    
3513
//FIXME avoid audio - video code duplication
3514
static void opt_audio_bsf(const char *arg)
3515
{
3516
    AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3517
    AVBitStreamFilterContext **bsfp;
3518

    
3519
    if(!bsfc){
3520
        fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3521
        exit(1);
3522
    }
3523

    
3524
    bsfp= &audio_bitstream_filters;
3525
    while(*bsfp)
3526
        bsfp= &(*bsfp)->next;
3527

    
3528
    *bsfp= bsfc;
3529
}
3530

    
3531
static void show_version(void)
3532
{
3533
    /* TODO: add function interface to avutil and avformat */
3534
    fprintf(stderr, "ffmpeg      " FFMPEG_VERSION "\n"
3535
           "libavutil   %d\n"
3536
           "libavcodec  %d\n"
3537
           "libavformat %d\n",
3538
           LIBAVUTIL_BUILD, avcodec_build(), LIBAVFORMAT_BUILD);
3539
    exit(1);
3540
}
3541

    
3542
static int opt_default(const char *opt, const char *arg){
3543
    int type;
3544
    const AVOption *o= NULL;
3545
    int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
3546

    
3547
    for(type=0; type<CODEC_TYPE_NB; type++){
3548
        const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
3549
        if(o2)
3550
            o = av_set_string(avctx_opts[type], opt, arg);
3551
    }
3552
    if(!o)
3553
        o = av_set_string(avformat_opts, opt, arg);
3554
    if(!o)
3555
        o = av_set_string(sws_opts, opt, arg);
3556
    if(!o){
3557
        if(opt[0] == 'a')
3558
            o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
3559
        else if(opt[0] == 'v')
3560
            o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
3561
        else if(opt[0] == 's')
3562
            o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
3563
    }
3564
    if(!o)
3565
        return -1;
3566

    
3567
//    av_log(NULL, AV_LOG_ERROR, "%s:%s: %f 0x%0X\n", opt, arg, av_get_double(avctx_opts, opt, NULL), (int)av_get_int(avctx_opts, opt, NULL));
3568

    
3569
    //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
3570
    opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
3571
    opt_names[opt_name_count++]= o->name;
3572

    
3573
#if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3574
    /* disable generate of real time pts in ffm (need to be supressed anyway) */
3575
    if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
3576
        ffm_nopts = 1;
3577
#endif
3578

    
3579
    if(avctx_opts[0]->debug)
3580
        av_log_level = AV_LOG_DEBUG;
3581
    return 0;
3582
}
3583

    
3584
const OptionDef options[] = {
3585
    /* main options */
3586
    { "L", 0, {(void*)show_license}, "show license" },
3587
    { "h", 0, {(void*)show_help}, "show help" },
3588
    { "version", 0, {(void*)show_version}, "show version" },
3589
    { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3590
    { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3591
    { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3592
    { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3593
    { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3594
    { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3595
    { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
3596
    { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3597
    { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3598
    { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3599
    { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3600
    { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3601
    { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3602
    { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3603
    { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3604
    { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3605
    { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3606
      "add timings for benchmarking" },
3607
    { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3608
      "dump each input packet" },
3609
    { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3610
      "when dumping packets, also dump the payload" },
3611
    { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3612
    { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3613
    { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "number of times to loop output in formats that support looping (0 loops forever)", "" },
3614
    { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3615
    { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3616
    { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3617
    { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3618
    { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3619
    { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "" },
3620
    { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3621
    { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)&copy_ts}, "copy timestamps" },
3622
    { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3623
    { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3624

    
3625
    /* video options */
3626
    { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3627
    { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3628
    { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3629
    { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3630
    { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3631
    { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format, 'list' as argument shows all the pixel formats supported", "format" },
3632
    { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3633
    { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3634
    { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3635
    { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3636
    { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3637
    { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3638
    { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3639
    { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3640
    { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3641
    { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3642
    { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3643
    { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3644
    { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3645
    { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3646
    { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
3647
    { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3648
    { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3649
    { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold",  "" },
3650
    { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3651
    { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3652
      "use same video quality as source (implies VBR)" },
3653
    { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3654
    { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3655
    { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3656
      "deinterlace pictures" },
3657
    { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3658
    { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3659
    { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3660
#ifdef CONFIG_VHOOK
3661
    { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3662
#endif
3663
    { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3664
    { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3665
    { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3666
    { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3667
    { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3668
    { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3669
    { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3670

    
3671
    /* audio options */
3672
    { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3673
    { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3674
    { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3675
    { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3676
    { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3677
    { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3678
    { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3679
    { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3680
    { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3681
    { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3682

    
3683
    /* subtitle options */
3684
    { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3685
    { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3686
    { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3687
    { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3688

    
3689
    /* grab options */
3690
    { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3691
    { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3692
    { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3693

    
3694
    /* muxer options */
3695
    { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3696
    { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3697

    
3698
    { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_audio_bsf}, "", "bitstream filter" },
3699
    { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_video_bsf}, "", "bitstream filter" },
3700

    
3701
    { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3702
    { NULL, },
3703
};
3704

    
3705
static void show_banner(void)
3706
{
3707
    fprintf(stderr, "FFmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2007 Fabrice Bellard, et al.\n");
3708
    fprintf(stderr, "  configuration: " FFMPEG_CONFIGURATION "\n");
3709
    fprintf(stderr, "  libavutil version: " AV_STRINGIFY(LIBAVUTIL_VERSION) "\n");
3710
    fprintf(stderr, "  libavcodec version: " AV_STRINGIFY(LIBAVCODEC_VERSION) "\n");
3711
    fprintf(stderr, "  libavformat version: " AV_STRINGIFY(LIBAVFORMAT_VERSION) "\n");
3712
    fprintf(stderr, "  built on " __DATE__ " " __TIME__);
3713
#ifdef __GNUC__
3714
    fprintf(stderr, ", gcc: " __VERSION__ "\n");
3715
#else
3716
    fprintf(stderr, ", using a non-gcc compiler\n");
3717
#endif
3718
}
3719

    
3720
static void show_license(void)
3721
{
3722
#ifdef CONFIG_GPL
3723
    printf(
3724
    "FFmpeg is free software; you can redistribute it and/or modify\n"
3725
    "it under the terms of the GNU General Public License as published by\n"
3726
    "the Free Software Foundation; either version 2 of the License, or\n"
3727
    "(at your option) any later version.\n"
3728
    "\n"
3729
    "FFmpeg is distributed in the hope that it will be useful,\n"
3730
    "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3731
    "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
3732
    "GNU General Public License for more details.\n"
3733
    "\n"
3734
    "You should have received a copy of the GNU General Public License\n"
3735
    "along with FFmpeg; if not, write to the Free Software\n"
3736
    "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
3737
    );
3738
#else
3739
    printf(
3740
    "FFmpeg is free software; you can redistribute it and/or\n"
3741
    "modify it under the terms of the GNU Lesser General Public\n"
3742
    "License as published by the Free Software Foundation; either\n"
3743
    "version 2.1 of the License, or (at your option) any later version.\n"
3744
    "\n"
3745
    "FFmpeg is distributed in the hope that it will be useful,\n"
3746
    "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3747
    "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\n"
3748
    "Lesser General Public License for more details.\n"
3749
    "\n"
3750
    "You should have received a copy of the GNU Lesser General Public\n"
3751
    "License along with FFmpeg; if not, write to the Free Software\n"
3752
    "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
3753
    );
3754
#endif
3755
    exit(1);
3756
}
3757

    
3758
/**
3759
 * Trivial log callback.
3760
 * Only suitable for show_help and similar since it lacks prefix handling.
3761
 */
3762
static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3763
{
3764
    vfprintf(stdout, fmt, vl);
3765
}
3766

    
3767
static void show_help(void)
3768
{
3769
    av_log_set_callback(log_callback_help);
3770
    printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3771
           "Hyper fast Audio and Video encoder\n");
3772
    printf("\n");
3773
    show_help_options(options, "Main options:\n",
3774
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3775
    show_help_options(options, "\nVideo options:\n",
3776
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3777
                      OPT_VIDEO);
3778
    show_help_options(options, "\nAdvanced Video options:\n",
3779
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3780
                      OPT_VIDEO | OPT_EXPERT);
3781
    show_help_options(options, "\nAudio options:\n",
3782
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3783
                      OPT_AUDIO);
3784
    show_help_options(options, "\nAdvanced Audio options:\n",
3785
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3786
                      OPT_AUDIO | OPT_EXPERT);
3787
    show_help_options(options, "\nSubtitle options:\n",
3788
                      OPT_SUBTITLE | OPT_GRAB,
3789
                      OPT_SUBTITLE);
3790
    show_help_options(options, "\nAudio/Video grab options:\n",
3791
                      OPT_GRAB,
3792
                      OPT_GRAB);
3793
    show_help_options(options, "\nAdvanced options:\n",
3794
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3795
                      OPT_EXPERT);
3796
    av_opt_show(avctx_opts[0], NULL);
3797
    av_opt_show(avformat_opts, NULL);
3798
    av_opt_show(sws_opts, NULL);
3799

    
3800
    exit(1);
3801
}
3802

    
3803
void parse_arg_file(const char *filename)
3804
{
3805
    opt_output_file(filename);
3806
}
3807

    
3808
int main(int argc, char **argv)
3809
{
3810
    int i;
3811
    int64_t ti;
3812

    
3813
    av_register_all();
3814

    
3815
    for(i=0; i<CODEC_TYPE_NB; i++){
3816
        avctx_opts[i]= avcodec_alloc_context2(i);
3817
    }
3818
    avformat_opts = av_alloc_format_context();
3819
    sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3820

    
3821
    show_banner();
3822
    if (argc <= 1)
3823
        show_help();
3824

    
3825
    /* parse options */
3826
    parse_options(argc, argv, options);
3827

    
3828
    /* file converter / grab */
3829
    if (nb_output_files <= 0) {
3830
        fprintf(stderr, "Must supply at least one output file\n");
3831
        exit(1);
3832
    }
3833

    
3834
    if (nb_input_files == 0) {
3835
        fprintf(stderr, "Must supply at least one input file\n");
3836
        exit(1);
3837
    }
3838

    
3839
    ti = getutime();
3840
    av_encode(output_files, nb_output_files, input_files, nb_input_files,
3841
              stream_maps, nb_stream_maps);
3842
    ti = getutime() - ti;
3843
    if (do_benchmark) {
3844
        printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3845
    }
3846

    
3847
    /* close files */
3848
    for(i=0;i<nb_output_files;i++) {
3849
        /* maybe av_close_output_file ??? */
3850
        AVFormatContext *s = output_files[i];
3851
        int j;
3852
        if (!(s->oformat->flags & AVFMT_NOFILE))
3853
            url_fclose(&s->pb);
3854
        for(j=0;j<s->nb_streams;j++) {
3855
            av_free(s->streams[j]->codec);
3856
            av_free(s->streams[j]);
3857
        }
3858
        av_free(s);
3859
    }
3860
    for(i=0;i<nb_input_files;i++)
3861
        av_close_input_file(input_files[i]);
3862

    
3863
    av_free_static();
3864

    
3865
    av_free(intra_matrix);
3866
    av_free(inter_matrix);
3867

    
3868
    if (fvstats)
3869
        fclose(fvstats);
3870
    av_free(vstats_filename);
3871

    
3872
    av_free(opt_names);
3873

    
3874
    av_free(video_codec_name);
3875
    av_free(audio_codec_name);
3876
    av_free(subtitle_codec_name);
3877

    
3878
    av_free(video_standard);
3879

    
3880
#ifdef CONFIG_POWERPC_PERF
3881
    extern void powerpc_display_perf_report(void);
3882
    powerpc_display_perf_report();
3883
#endif /* CONFIG_POWERPC_PERF */
3884

    
3885
    if (received_sigterm) {
3886
        fprintf(stderr,
3887
            "Received signal %d: terminating.\n",
3888
            (int) received_sigterm);
3889
        exit (255);
3890
    }
3891

    
3892
    exit(0); /* not all OS-es handle main() return value */
3893
    return 0;
3894
}