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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 pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
1926
            int64_t delta= pkt_dts - ist->next_pts;
1927
            if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
1928
                input_files_ts_offset[ist->file_index]-= delta;
1929
                if (verbose > 2)
1930
                    fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1931
                pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1932
                if(pkt.pts != AV_NOPTS_VALUE)
1933
                    pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1934
            }
1935
        }
1936

    
1937
        //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1938
        if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1939

    
1940
            if (verbose >= 0)
1941
                fprintf(stderr, "Error while decoding stream #%d.%d\n",
1942
                        ist->file_index, ist->index);
1943

    
1944
            av_free_packet(&pkt);
1945
            goto redo;
1946
        }
1947

    
1948
    discard_packet:
1949
        av_free_packet(&pkt);
1950

    
1951
        /* dump report by using the output first video and audio streams */
1952
        print_report(output_files, ost_table, nb_ostreams, 0);
1953
    }
1954

    
1955
    /* at the end of stream, we must flush the decoder buffers */
1956
    for(i=0;i<nb_istreams;i++) {
1957
        ist = ist_table[i];
1958
        if (ist->decoding_needed) {
1959
            output_packet(ist, i, ost_table, nb_ostreams, NULL);
1960
        }
1961
    }
1962

    
1963
    term_exit();
1964

    
1965
    /* write the trailer if needed and close file */
1966
    for(i=0;i<nb_output_files;i++) {
1967
        os = output_files[i];
1968
        av_write_trailer(os);
1969
    }
1970

    
1971
    /* dump report by using the first video and audio streams */
1972
    print_report(output_files, ost_table, nb_ostreams, 1);
1973

    
1974
    /* close each encoder */
1975
    for(i=0;i<nb_ostreams;i++) {
1976
        ost = ost_table[i];
1977
        if (ost->encoding_needed) {
1978
            av_freep(&ost->st->codec->stats_in);
1979
            avcodec_close(ost->st->codec);
1980
        }
1981
    }
1982

    
1983
    /* close each decoder */
1984
    for(i=0;i<nb_istreams;i++) {
1985
        ist = ist_table[i];
1986
        if (ist->decoding_needed) {
1987
            avcodec_close(ist->st->codec);
1988
        }
1989
    }
1990

    
1991
    /* finished ! */
1992

    
1993
    ret = 0;
1994
 fail1:
1995
    av_freep(&bit_buffer);
1996
    av_free(file_table);
1997

    
1998
    if (ist_table) {
1999
        for(i=0;i<nb_istreams;i++) {
2000
            ist = ist_table[i];
2001
            av_free(ist);
2002
        }
2003
        av_free(ist_table);
2004
    }
2005
    if (ost_table) {
2006
        for(i=0;i<nb_ostreams;i++) {
2007
            ost = ost_table[i];
2008
            if (ost) {
2009
                if (ost->logfile) {
2010
                    fclose(ost->logfile);
2011
                    ost->logfile = NULL;
2012
                }
2013
                av_fifo_free(&ost->fifo); /* works even if fifo is not
2014
                                             initialized but set to zero */
2015
                av_free(ost->pict_tmp.data[0]);
2016
                if (ost->video_resample)
2017
                    sws_freeContext(ost->img_resample_ctx);
2018
                if (ost->audio_resample)
2019
                    audio_resample_close(ost->resample);
2020
                av_free(ost);
2021
            }
2022
        }
2023
        av_free(ost_table);
2024
    }
2025
    return ret;
2026
 fail:
2027
    ret = AVERROR(ENOMEM);
2028
    goto fail1;
2029
}
2030

    
2031
#if 0
2032
int file_read(const char *filename)
2033
{
2034
    URLContext *h;
2035
    unsigned char buffer[1024];
2036
    int len, i;
2037

2038
    if (url_open(&h, filename, O_RDONLY) < 0) {
2039
        printf("could not open '%s'\n", filename);
2040
        return -1;
2041
    }
2042
    for(;;) {
2043
        len = url_read(h, buffer, sizeof(buffer));
2044
        if (len <= 0)
2045
            break;
2046
        for(i=0;i<len;i++) putchar(buffer[i]);
2047
    }
2048
    url_close(h);
2049
    return 0;
2050
}
2051
#endif
2052

    
2053
static void opt_format(const char *arg)
2054
{
2055
    /* compatibility stuff for pgmyuv */
2056
    if (!strcmp(arg, "pgmyuv")) {
2057
        pgmyuv_compatibility_hack=1;
2058
//        opt_image_format(arg);
2059
        arg = "image2";
2060
        fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2061
    }
2062

    
2063
    file_iformat = av_find_input_format(arg);
2064
    file_oformat = guess_format(arg, NULL, NULL);
2065
    if (!file_iformat && !file_oformat) {
2066
        fprintf(stderr, "Unknown input or output format: %s\n", arg);
2067
        exit(1);
2068
    }
2069
}
2070

    
2071
static void opt_video_rc_eq(char *arg)
2072
{
2073
    video_rc_eq = arg;
2074
}
2075

    
2076
static void opt_video_rc_override_string(char *arg)
2077
{
2078
    video_rc_override_string = arg;
2079
}
2080

    
2081
static void opt_me_threshold(const char *arg)
2082
{
2083
    me_threshold = atoi(arg);
2084
}
2085

    
2086
static void opt_verbose(const char *arg)
2087
{
2088
    verbose = atoi(arg);
2089
    av_log_level = atoi(arg);
2090
}
2091

    
2092
static void opt_frame_rate(const char *arg)
2093
{
2094
    if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2095
        fprintf(stderr, "Incorrect frame rate\n");
2096
        exit(1);
2097
    }
2098
}
2099

    
2100
static void opt_frame_crop_top(const char *arg)
2101
{
2102
    frame_topBand = atoi(arg);
2103
    if (frame_topBand < 0) {
2104
        fprintf(stderr, "Incorrect top crop size\n");
2105
        exit(1);
2106
    }
2107
    if ((frame_topBand % 2) != 0) {
2108
        fprintf(stderr, "Top crop size must be a multiple of 2\n");
2109
        exit(1);
2110
    }
2111
    if ((frame_topBand) >= frame_height){
2112
        fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2113
        exit(1);
2114
    }
2115
    frame_height -= frame_topBand;
2116
}
2117

    
2118
static void opt_frame_crop_bottom(const char *arg)
2119
{
2120
    frame_bottomBand = atoi(arg);
2121
    if (frame_bottomBand < 0) {
2122
        fprintf(stderr, "Incorrect bottom crop size\n");
2123
        exit(1);
2124
    }
2125
    if ((frame_bottomBand % 2) != 0) {
2126
        fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2127
        exit(1);
2128
    }
2129
    if ((frame_bottomBand) >= frame_height){
2130
        fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2131
        exit(1);
2132
    }
2133
    frame_height -= frame_bottomBand;
2134
}
2135

    
2136
static void opt_frame_crop_left(const char *arg)
2137
{
2138
    frame_leftBand = atoi(arg);
2139
    if (frame_leftBand < 0) {
2140
        fprintf(stderr, "Incorrect left crop size\n");
2141
        exit(1);
2142
    }
2143
    if ((frame_leftBand % 2) != 0) {
2144
        fprintf(stderr, "Left crop size must be a multiple of 2\n");
2145
        exit(1);
2146
    }
2147
    if ((frame_leftBand) >= frame_width){
2148
        fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2149
        exit(1);
2150
    }
2151
    frame_width -= frame_leftBand;
2152
}
2153

    
2154
static void opt_frame_crop_right(const char *arg)
2155
{
2156
    frame_rightBand = atoi(arg);
2157
    if (frame_rightBand < 0) {
2158
        fprintf(stderr, "Incorrect right crop size\n");
2159
        exit(1);
2160
    }
2161
    if ((frame_rightBand % 2) != 0) {
2162
        fprintf(stderr, "Right crop size must be a multiple of 2\n");
2163
        exit(1);
2164
    }
2165
    if ((frame_rightBand) >= frame_width){
2166
        fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2167
        exit(1);
2168
    }
2169
    frame_width -= frame_rightBand;
2170
}
2171

    
2172
static void opt_frame_size(const char *arg)
2173
{
2174
    if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2175
        fprintf(stderr, "Incorrect frame size\n");
2176
        exit(1);
2177
    }
2178
    if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2179
        fprintf(stderr, "Frame size must be a multiple of 2\n");
2180
        exit(1);
2181
    }
2182
}
2183

    
2184

    
2185
#define SCALEBITS 10
2186
#define ONE_HALF  (1 << (SCALEBITS - 1))
2187
#define FIX(x)    ((int) ((x) * (1<<SCALEBITS) + 0.5))
2188

    
2189
#define RGB_TO_Y(r, g, b) \
2190
((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2191
  FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2192

    
2193
#define RGB_TO_U(r1, g1, b1, shift)\
2194
(((- FIX(0.16874) * r1 - FIX(0.33126) * g1 +         \
2195
     FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2196

    
2197
#define RGB_TO_V(r1, g1, b1, shift)\
2198
(((FIX(0.50000) * r1 - FIX(0.41869) * g1 -           \
2199
   FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2200

    
2201
static void opt_pad_color(const char *arg) {
2202
    /* Input is expected to be six hex digits similar to
2203
       how colors are expressed in html tags (but without the #) */
2204
    int rgb = strtol(arg, NULL, 16);
2205
    int r,g,b;
2206

    
2207
    r = (rgb >> 16);
2208
    g = ((rgb >> 8) & 255);
2209
    b = (rgb & 255);
2210

    
2211
    padcolor[0] = RGB_TO_Y(r,g,b);
2212
    padcolor[1] = RGB_TO_U(r,g,b,0);
2213
    padcolor[2] = RGB_TO_V(r,g,b,0);
2214
}
2215

    
2216
static void opt_frame_pad_top(const char *arg)
2217
{
2218
    frame_padtop = atoi(arg);
2219
    if (frame_padtop < 0) {
2220
        fprintf(stderr, "Incorrect top pad size\n");
2221
        exit(1);
2222
    }
2223
    if ((frame_padtop % 2) != 0) {
2224
        fprintf(stderr, "Top pad size must be a multiple of 2\n");
2225
        exit(1);
2226
    }
2227
}
2228

    
2229
static void opt_frame_pad_bottom(const char *arg)
2230
{
2231
    frame_padbottom = atoi(arg);
2232
    if (frame_padbottom < 0) {
2233
        fprintf(stderr, "Incorrect bottom pad size\n");
2234
        exit(1);
2235
    }
2236
    if ((frame_padbottom % 2) != 0) {
2237
        fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2238
        exit(1);
2239
    }
2240
}
2241

    
2242

    
2243
static void opt_frame_pad_left(const char *arg)
2244
{
2245
    frame_padleft = atoi(arg);
2246
    if (frame_padleft < 0) {
2247
        fprintf(stderr, "Incorrect left pad size\n");
2248
        exit(1);
2249
    }
2250
    if ((frame_padleft % 2) != 0) {
2251
        fprintf(stderr, "Left pad size must be a multiple of 2\n");
2252
        exit(1);
2253
    }
2254
}
2255

    
2256

    
2257
static void opt_frame_pad_right(const char *arg)
2258
{
2259
    frame_padright = atoi(arg);
2260
    if (frame_padright < 0) {
2261
        fprintf(stderr, "Incorrect right pad size\n");
2262
        exit(1);
2263
    }
2264
    if ((frame_padright % 2) != 0) {
2265
        fprintf(stderr, "Right pad size must be a multiple of 2\n");
2266
        exit(1);
2267
    }
2268
}
2269

    
2270
void list_pix_fmts(void)
2271
{
2272
    int i;
2273
    char pix_fmt_str[128];
2274
    for (i=-1; i < PIX_FMT_NB; i++) {
2275
        avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2276
        fprintf(stdout, "%s\n", pix_fmt_str);
2277
    }
2278
}
2279

    
2280
static void opt_frame_pix_fmt(const char *arg)
2281
{
2282
    if (strcmp(arg, "list"))
2283
        frame_pix_fmt = avcodec_get_pix_fmt(arg);
2284
    else {
2285
        list_pix_fmts();
2286
        exit(0);
2287
    }
2288
}
2289

    
2290
static void opt_frame_aspect_ratio(const char *arg)
2291
{
2292
    int x = 0, y = 0;
2293
    double ar = 0;
2294
    const char *p;
2295

    
2296
    p = strchr(arg, ':');
2297
    if (p) {
2298
        x = strtol(arg, (char **)&arg, 10);
2299
        if (arg == p)
2300
            y = strtol(arg+1, (char **)&arg, 10);
2301
        if (x > 0 && y > 0)
2302
            ar = (double)x / (double)y;
2303
    } else
2304
        ar = strtod(arg, (char **)&arg);
2305

    
2306
    if (!ar) {
2307
        fprintf(stderr, "Incorrect aspect ratio specification.\n");
2308
        exit(1);
2309
    }
2310
    frame_aspect_ratio = ar;
2311
}
2312

    
2313
static void opt_qscale(const char *arg)
2314
{
2315
    video_qscale = atof(arg);
2316
    if (video_qscale <= 0 ||
2317
        video_qscale > 255) {
2318
        fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2319
        exit(1);
2320
    }
2321
}
2322

    
2323
static void opt_qdiff(const char *arg)
2324
{
2325
    video_qdiff = atoi(arg);
2326
    if (video_qdiff < 0 ||
2327
        video_qdiff > 31) {
2328
        fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2329
        exit(1);
2330
    }
2331
}
2332

    
2333
static void opt_strict(const char *arg)
2334
{
2335
    strict= atoi(arg);
2336
}
2337

    
2338
static void opt_top_field_first(const char *arg)
2339
{
2340
    top_field_first= atoi(arg);
2341
}
2342

    
2343
static void opt_thread_count(const char *arg)
2344
{
2345
    thread_count= atoi(arg);
2346
#if !defined(HAVE_THREADS)
2347
    if (verbose >= 0)
2348
        fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2349
#endif
2350
}
2351

    
2352
static void opt_audio_rate(const char *arg)
2353
{
2354
    audio_sample_rate = atoi(arg);
2355
}
2356

    
2357
static void opt_audio_channels(const char *arg)
2358
{
2359
    audio_channels = atoi(arg);
2360
}
2361

    
2362
static void opt_video_channel(const char *arg)
2363
{
2364
    video_channel = strtol(arg, NULL, 0);
2365
}
2366

    
2367
static void opt_video_standard(const char *arg)
2368
{
2369
    video_standard = av_strdup(arg);
2370
}
2371

    
2372
static void opt_codec(int *pstream_copy, char **pcodec_name,
2373
                      int codec_type, const char *arg)
2374
{
2375
    av_freep(pcodec_name);
2376
    if (!strcmp(arg, "copy")) {
2377
        *pstream_copy = 1;
2378
    } else {
2379
        *pcodec_name = av_strdup(arg);
2380
    }
2381
}
2382

    
2383
static void opt_audio_codec(const char *arg)
2384
{
2385
    opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2386
}
2387

    
2388
static void opt_audio_tag(const char *arg)
2389
{
2390
    char *tail;
2391
    audio_codec_tag= strtol(arg, &tail, 0);
2392

    
2393
    if(!tail || *tail)
2394
        audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2395
}
2396

    
2397
static void opt_video_tag(const char *arg)
2398
{
2399
    char *tail;
2400
    video_codec_tag= strtol(arg, &tail, 0);
2401

    
2402
    if(!tail || *tail)
2403
        video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2404
}
2405

    
2406
#ifdef CONFIG_VHOOK
2407
static void add_frame_hooker(const char *arg)
2408
{
2409
    int argc = 0;
2410
    char *argv[64];
2411
    int i;
2412
    char *args = av_strdup(arg);
2413

    
2414
    using_vhook = 1;
2415

    
2416
    argv[0] = strtok(args, " ");
2417
    while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2418
    }
2419

    
2420
    i = frame_hook_add(argc, argv);
2421

    
2422
    if (i != 0) {
2423
        fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2424
        exit(1);
2425
    }
2426
}
2427
#endif
2428

    
2429
static void opt_video_codec(const char *arg)
2430
{
2431
    opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2432
}
2433

    
2434
static void opt_subtitle_codec(const char *arg)
2435
{
2436
    opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2437
}
2438

    
2439
static void opt_map(const char *arg)
2440
{
2441
    AVStreamMap *m;
2442
    const char *p;
2443

    
2444
    p = arg;
2445
    m = &stream_maps[nb_stream_maps++];
2446

    
2447
    m->file_index = strtol(arg, (char **)&p, 0);
2448
    if (*p)
2449
        p++;
2450

    
2451
    m->stream_index = strtol(p, (char **)&p, 0);
2452
    if (*p) {
2453
        p++;
2454
        m->sync_file_index = strtol(p, (char **)&p, 0);
2455
        if (*p)
2456
            p++;
2457
        m->sync_stream_index = strtol(p, (char **)&p, 0);
2458
    } else {
2459
        m->sync_file_index = m->file_index;
2460
        m->sync_stream_index = m->stream_index;
2461
    }
2462
}
2463

    
2464
static void opt_map_meta_data(const char *arg)
2465
{
2466
    AVMetaDataMap *m;
2467
    const char *p;
2468

    
2469
    p = arg;
2470
    m = &meta_data_maps[nb_meta_data_maps++];
2471

    
2472
    m->out_file = strtol(arg, (char **)&p, 0);
2473
    if (*p)
2474
        p++;
2475

    
2476
    m->in_file = strtol(p, (char **)&p, 0);
2477
}
2478

    
2479
static void opt_recording_time(const char *arg)
2480
{
2481
    recording_time = parse_date(arg, 1);
2482
}
2483

    
2484
static void opt_start_time(const char *arg)
2485
{
2486
    start_time = parse_date(arg, 1);
2487
}
2488

    
2489
static void opt_rec_timestamp(const char *arg)
2490
{
2491
    rec_timestamp = parse_date(arg, 0) / 1000000;
2492
}
2493

    
2494
static void opt_input_ts_offset(const char *arg)
2495
{
2496
    input_ts_offset = parse_date(arg, 1);
2497
}
2498

    
2499
static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2500
{
2501
    AVCodec *codec;
2502

    
2503
    if(!name)
2504
        return CODEC_ID_NONE;
2505
    codec = encoder ?
2506
        avcodec_find_encoder_by_name(name) :
2507
        avcodec_find_decoder_by_name(name);
2508
    if(!codec) {
2509
        av_log(NULL, AV_LOG_ERROR, "Unknown codec '%s'\n", name);
2510
        exit(1);
2511
    }
2512
    if(codec->type != type) {
2513
        av_log(NULL, AV_LOG_ERROR, "Invalid codec type '%s'\n", name);
2514
        exit(1);
2515
    }
2516
    return codec->id;
2517
}
2518

    
2519
static void opt_input_file(const char *filename)
2520
{
2521
    AVFormatContext *ic;
2522
    AVFormatParameters params, *ap = &params;
2523
    int err, i, ret, rfps, rfps_base;
2524
    int64_t timestamp;
2525

    
2526
    if (!strcmp(filename, "-"))
2527
        filename = "pipe:";
2528

    
2529
    using_stdin |= !strncmp(filename, "pipe:", 5) ||
2530
                   !strcmp( filename, "/dev/stdin" );
2531

    
2532
    /* get default parameters from command line */
2533
    ic = av_alloc_format_context();
2534

    
2535
    memset(ap, 0, sizeof(*ap));
2536
    ap->prealloced_context = 1;
2537
    ap->sample_rate = audio_sample_rate;
2538
    ap->channels = audio_channels;
2539
    ap->time_base.den = frame_rate.num;
2540
    ap->time_base.num = frame_rate.den;
2541
    ap->width = frame_width + frame_padleft + frame_padright;
2542
    ap->height = frame_height + frame_padtop + frame_padbottom;
2543
    ap->pix_fmt = frame_pix_fmt;
2544
    ap->channel = video_channel;
2545
    ap->standard = video_standard;
2546
    ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2547
    ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2548
    if(pgmyuv_compatibility_hack)
2549
        ap->video_codec_id= CODEC_ID_PGMYUV;
2550

    
2551
    for(i=0; i<opt_name_count; i++){
2552
        const AVOption *opt;
2553
        double d= av_get_double(avformat_opts, opt_names[i], &opt);
2554
        if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2555
            av_set_double(ic, opt_names[i], d);
2556
    }
2557
    /* open the input file with generic libav function */
2558
    err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2559
    if (err < 0) {
2560
        print_error(filename, err);
2561
        exit(1);
2562
    }
2563

    
2564
    ic->loop_input = loop_input;
2565

    
2566
    /* If not enough info to get the stream parameters, we decode the
2567
       first frames to get it. (used in mpeg case for example) */
2568
    ret = av_find_stream_info(ic);
2569
    if (ret < 0 && verbose >= 0) {
2570
        fprintf(stderr, "%s: could not find codec parameters\n", filename);
2571
        exit(1);
2572
    }
2573

    
2574
    timestamp = start_time;
2575
    /* add the stream start time */
2576
    if (ic->start_time != AV_NOPTS_VALUE)
2577
        timestamp += ic->start_time;
2578

    
2579
    /* if seeking requested, we execute it */
2580
    if (start_time != 0) {
2581
        ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2582
        if (ret < 0) {
2583
            fprintf(stderr, "%s: could not seek to position %0.3f\n",
2584
                    filename, (double)timestamp / AV_TIME_BASE);
2585
        }
2586
        /* reset seek info */
2587
        start_time = 0;
2588
    }
2589

    
2590
    /* update the current parameters so that they match the one of the input stream */
2591
    for(i=0;i<ic->nb_streams;i++) {
2592
        int j;
2593
        AVCodecContext *enc = ic->streams[i]->codec;
2594
        if(thread_count>1)
2595
            avcodec_thread_init(enc, thread_count);
2596
        enc->thread_count= thread_count;
2597
        switch(enc->codec_type) {
2598
        case CODEC_TYPE_AUDIO:
2599
            for(j=0; j<opt_name_count; j++){
2600
                const AVOption *opt;
2601
                double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2602
                if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2603
                    av_set_double(enc, opt_names[j], d);
2604
            }
2605
            //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2606
            audio_channels = enc->channels;
2607
            audio_sample_rate = enc->sample_rate;
2608
            if(audio_disable)
2609
                ic->streams[i]->discard= AVDISCARD_ALL;
2610
            break;
2611
        case CODEC_TYPE_VIDEO:
2612
            for(j=0; j<opt_name_count; j++){
2613
                const AVOption *opt;
2614
                double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2615
                if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2616
                    av_set_double(enc, opt_names[j], d);
2617
            }
2618
            frame_height = enc->height;
2619
            frame_width = enc->width;
2620
            frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2621
            frame_pix_fmt = enc->pix_fmt;
2622
            rfps      = ic->streams[i]->r_frame_rate.num;
2623
            rfps_base = ic->streams[i]->r_frame_rate.den;
2624
            if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2625
            if(me_threshold)
2626
                enc->debug |= FF_DEBUG_MV;
2627

    
2628
            if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2629

    
2630
                if (verbose >= 0)
2631
                    fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2632
                            i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2633

    
2634
                    (float)rfps / rfps_base, rfps, rfps_base);
2635
            }
2636
            /* update the current frame rate to match the stream frame rate */
2637
            frame_rate.num = rfps;
2638
            frame_rate.den = rfps_base;
2639

    
2640
            enc->rate_emu = rate_emu;
2641
            if(video_disable)
2642
                ic->streams[i]->discard= AVDISCARD_ALL;
2643
            else if(video_discard)
2644
                ic->streams[i]->discard= video_discard;
2645
            break;
2646
        case CODEC_TYPE_DATA:
2647
            break;
2648
        case CODEC_TYPE_SUBTITLE:
2649
            if(subtitle_disable)
2650
                ic->streams[i]->discard = AVDISCARD_ALL;
2651
            break;
2652
        case CODEC_TYPE_UNKNOWN:
2653
            break;
2654
        default:
2655
            abort();
2656
        }
2657
    }
2658

    
2659
    input_files[nb_input_files] = ic;
2660
    input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2661
    /* dump the file content */
2662
    if (verbose >= 0)
2663
        dump_format(ic, nb_input_files, filename, 0);
2664

    
2665
    nb_input_files++;
2666
    file_iformat = NULL;
2667
    file_oformat = NULL;
2668

    
2669
    video_channel = 0;
2670

    
2671
    rate_emu = 0;
2672
}
2673

    
2674
static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2675
                                         int *has_subtitle_ptr)
2676
{
2677
    int has_video, has_audio, has_subtitle, i, j;
2678
    AVFormatContext *ic;
2679

    
2680
    has_video = 0;
2681
    has_audio = 0;
2682
    has_subtitle = 0;
2683
    for(j=0;j<nb_input_files;j++) {
2684
        ic = input_files[j];
2685
        for(i=0;i<ic->nb_streams;i++) {
2686
            AVCodecContext *enc = ic->streams[i]->codec;
2687
            switch(enc->codec_type) {
2688
            case CODEC_TYPE_AUDIO:
2689
                has_audio = 1;
2690
                break;
2691
            case CODEC_TYPE_VIDEO:
2692
                has_video = 1;
2693
                break;
2694
            case CODEC_TYPE_SUBTITLE:
2695
                has_subtitle = 1;
2696
                break;
2697
            case CODEC_TYPE_DATA:
2698
            case CODEC_TYPE_UNKNOWN:
2699
                break;
2700
            default:
2701
                abort();
2702
            }
2703
        }
2704
    }
2705
    *has_video_ptr = has_video;
2706
    *has_audio_ptr = has_audio;
2707
    *has_subtitle_ptr = has_subtitle;
2708
}
2709

    
2710
static void new_video_stream(AVFormatContext *oc)
2711
{
2712
    AVStream *st;
2713
    AVCodecContext *video_enc;
2714
    int codec_id;
2715

    
2716
    st = av_new_stream(oc, oc->nb_streams);
2717
    if (!st) {
2718
        fprintf(stderr, "Could not alloc stream\n");
2719
        exit(1);
2720
    }
2721
    avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2722
    bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2723
    video_bitstream_filters= NULL;
2724

    
2725
    if(thread_count>1)
2726
        avcodec_thread_init(st->codec, thread_count);
2727

    
2728
    video_enc = st->codec;
2729

    
2730
    if(video_codec_tag)
2731
        video_enc->codec_tag= video_codec_tag;
2732

    
2733
    if(   (video_global_header&1)
2734
       || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2735
        video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2736
        avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2737
    }
2738
    if(video_global_header&2){
2739
        video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2740
        avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2741
    }
2742

    
2743
    if (video_stream_copy) {
2744
        st->stream_copy = 1;
2745
        video_enc->codec_type = CODEC_TYPE_VIDEO;
2746
    } else {
2747
        char *p;
2748
        int i;
2749
        AVCodec *codec;
2750

    
2751
        codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2752
        if (video_codec_name)
2753
            codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2754

    
2755
        video_enc->codec_id = codec_id;
2756
        codec = avcodec_find_encoder(codec_id);
2757

    
2758
        for(i=0; i<opt_name_count; i++){
2759
             const AVOption *opt;
2760
             double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2761
             if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2762
                 av_set_double(video_enc, opt_names[i], d);
2763
        }
2764

    
2765
        video_enc->time_base.den = frame_rate.num;
2766
        video_enc->time_base.num = frame_rate.den;
2767
        if(codec && codec->supported_framerates){
2768
            const AVRational *p= codec->supported_framerates;
2769
            AVRational req= (AVRational){frame_rate.num, frame_rate.den};
2770
            const AVRational *best=NULL;
2771
            AVRational best_error= (AVRational){INT_MAX, 1};
2772
            for(; p->den!=0; p++){
2773
                AVRational error= av_sub_q(req, *p);
2774
                if(error.num <0) error.num *= -1;
2775
                if(av_cmp_q(error, best_error) < 0){
2776
                    best_error= error;
2777
                    best= p;
2778
                }
2779
            }
2780
            video_enc->time_base.den= best->num;
2781
            video_enc->time_base.num= best->den;
2782
        }
2783

    
2784
        video_enc->width = frame_width + frame_padright + frame_padleft;
2785
        video_enc->height = frame_height + frame_padtop + frame_padbottom;
2786
        video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2787
        video_enc->pix_fmt = frame_pix_fmt;
2788

    
2789
        if(codec && codec->pix_fmts){
2790
            const enum PixelFormat *p= codec->pix_fmts;
2791
            for(; *p!=-1; p++){
2792
                if(*p == video_enc->pix_fmt)
2793
                    break;
2794
            }
2795
            if(*p == -1)
2796
                video_enc->pix_fmt = codec->pix_fmts[0];
2797
        }
2798

    
2799
        if (intra_only)
2800
            video_enc->gop_size = 0;
2801
        if (video_qscale || same_quality) {
2802
            video_enc->flags |= CODEC_FLAG_QSCALE;
2803
            video_enc->global_quality=
2804
                st->quality = FF_QP2LAMBDA * video_qscale;
2805
        }
2806

    
2807
        if(intra_matrix)
2808
            video_enc->intra_matrix = intra_matrix;
2809
        if(inter_matrix)
2810
            video_enc->inter_matrix = inter_matrix;
2811

    
2812
        video_enc->max_qdiff = video_qdiff;
2813
        video_enc->rc_eq = video_rc_eq;
2814
        video_enc->thread_count = thread_count;
2815
        p= video_rc_override_string;
2816
        for(i=0; p; i++){
2817
            int start, end, q;
2818
            int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2819
            if(e!=3){
2820
                fprintf(stderr, "error parsing rc_override\n");
2821
                exit(1);
2822
            }
2823
            video_enc->rc_override=
2824
                av_realloc(video_enc->rc_override,
2825
                           sizeof(RcOverride)*(i+1));
2826
            video_enc->rc_override[i].start_frame= start;
2827
            video_enc->rc_override[i].end_frame  = end;
2828
            if(q>0){
2829
                video_enc->rc_override[i].qscale= q;
2830
                video_enc->rc_override[i].quality_factor= 1.0;
2831
            }
2832
            else{
2833
                video_enc->rc_override[i].qscale= 0;
2834
                video_enc->rc_override[i].quality_factor= -q/100.0;
2835
            }
2836
            p= strchr(p, '/');
2837
            if(p) p++;
2838
        }
2839
        video_enc->rc_override_count=i;
2840
        if (!video_enc->rc_initial_buffer_occupancy)
2841
            video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2842
        video_enc->me_threshold= me_threshold;
2843
        video_enc->intra_dc_precision= intra_dc_precision - 8;
2844
        video_enc->strict_std_compliance = strict;
2845

    
2846
        if (do_psnr)
2847
            video_enc->flags|= CODEC_FLAG_PSNR;
2848

    
2849
        /* two pass mode */
2850
        if (do_pass) {
2851
            if (do_pass == 1) {
2852
                video_enc->flags |= CODEC_FLAG_PASS1;
2853
            } else {
2854
                video_enc->flags |= CODEC_FLAG_PASS2;
2855
            }
2856
        }
2857
    }
2858

    
2859
    /* reset some key parameters */
2860
    video_disable = 0;
2861
    av_freep(&video_codec_name);
2862
    video_stream_copy = 0;
2863
}
2864

    
2865
static void new_audio_stream(AVFormatContext *oc)
2866
{
2867
    AVStream *st;
2868
    AVCodecContext *audio_enc;
2869
    int codec_id, i;
2870

    
2871
    st = av_new_stream(oc, oc->nb_streams);
2872
    if (!st) {
2873
        fprintf(stderr, "Could not alloc stream\n");
2874
        exit(1);
2875
    }
2876
    avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
2877

    
2878
    bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2879
    audio_bitstream_filters= NULL;
2880

    
2881
    if(thread_count>1)
2882
        avcodec_thread_init(st->codec, thread_count);
2883

    
2884
    audio_enc = st->codec;
2885
    audio_enc->codec_type = CODEC_TYPE_AUDIO;
2886
    audio_enc->strict_std_compliance = strict;
2887

    
2888
    if(audio_codec_tag)
2889
        audio_enc->codec_tag= audio_codec_tag;
2890

    
2891
    if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2892
        audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2893
        avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2894
    }
2895
    if (audio_stream_copy) {
2896
        st->stream_copy = 1;
2897
        audio_enc->channels = audio_channels;
2898
    } else {
2899
        codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2900

    
2901
        for(i=0; i<opt_name_count; i++){
2902
            const AVOption *opt;
2903
            double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2904
            if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2905
                av_set_double(audio_enc, opt_names[i], d);
2906
        }
2907

    
2908
        if (audio_codec_name)
2909
            codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
2910
        audio_enc->codec_id = codec_id;
2911

    
2912
        if (audio_qscale > QSCALE_NONE) {
2913
            audio_enc->flags |= CODEC_FLAG_QSCALE;
2914
            audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2915
        }
2916
        audio_enc->thread_count = thread_count;
2917
        audio_enc->channels = audio_channels;
2918
    }
2919
    audio_enc->sample_rate = audio_sample_rate;
2920
    audio_enc->time_base= (AVRational){1, audio_sample_rate};
2921
    if (audio_language) {
2922
        av_strlcpy(st->language, audio_language, sizeof(st->language));
2923
        av_free(audio_language);
2924
        audio_language = NULL;
2925
    }
2926

    
2927
    /* reset some key parameters */
2928
    audio_disable = 0;
2929
    av_freep(&audio_codec_name);
2930
    audio_stream_copy = 0;
2931
}
2932

    
2933
static void new_subtitle_stream(AVFormatContext *oc)
2934
{
2935
    AVStream *st;
2936
    AVCodecContext *subtitle_enc;
2937
    int i;
2938

    
2939
    st = av_new_stream(oc, oc->nb_streams);
2940
    if (!st) {
2941
        fprintf(stderr, "Could not alloc stream\n");
2942
        exit(1);
2943
    }
2944
    avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
2945

    
2946
    subtitle_enc = st->codec;
2947
    subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2948
    if (subtitle_stream_copy) {
2949
        st->stream_copy = 1;
2950
    } else {
2951
        for(i=0; i<opt_name_count; i++){
2952
             const AVOption *opt;
2953
             double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2954
             if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2955
                 av_set_double(subtitle_enc, opt_names[i], d);
2956
        }
2957
        subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
2958
    }
2959

    
2960
    if (subtitle_language) {
2961
        av_strlcpy(st->language, subtitle_language, sizeof(st->language));
2962
        av_free(subtitle_language);
2963
        subtitle_language = NULL;
2964
    }
2965

    
2966
    subtitle_disable = 0;
2967
    av_freep(&subtitle_codec_name);
2968
    subtitle_stream_copy = 0;
2969
}
2970

    
2971
static void opt_new_audio_stream(void)
2972
{
2973
    AVFormatContext *oc;
2974
    if (nb_output_files <= 0) {
2975
        fprintf(stderr, "At least one output file must be specified\n");
2976
        exit(1);
2977
    }
2978
    oc = output_files[nb_output_files - 1];
2979
    new_audio_stream(oc);
2980
}
2981

    
2982
static void opt_new_video_stream(void)
2983
{
2984
    AVFormatContext *oc;
2985
    if (nb_output_files <= 0) {
2986
        fprintf(stderr, "At least one output file must be specified\n");
2987
        exit(1);
2988
    }
2989
    oc = output_files[nb_output_files - 1];
2990
    new_video_stream(oc);
2991
}
2992

    
2993
static void opt_new_subtitle_stream(void)
2994
{
2995
    AVFormatContext *oc;
2996
    if (nb_output_files <= 0) {
2997
        fprintf(stderr, "At least one output file must be specified\n");
2998
        exit(1);
2999
    }
3000
    oc = output_files[nb_output_files - 1];
3001
    new_subtitle_stream(oc);
3002
}
3003

    
3004
static void opt_output_file(const char *filename)
3005
{
3006
    AVFormatContext *oc;
3007
    int use_video, use_audio, use_subtitle;
3008
    int input_has_video, input_has_audio, input_has_subtitle, i;
3009
    AVFormatParameters params, *ap = &params;
3010

    
3011
    if (!strcmp(filename, "-"))
3012
        filename = "pipe:";
3013

    
3014
    oc = av_alloc_format_context();
3015

    
3016
    if (!file_oformat) {
3017
        file_oformat = guess_format(NULL, filename, NULL);
3018
        if (!file_oformat) {
3019
            fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3020
                    filename);
3021
            exit(1);
3022
        }
3023
    }
3024

    
3025
    oc->oformat = file_oformat;
3026
    av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3027

    
3028
    if (!strcmp(file_oformat->name, "ffm") &&
3029
        av_strstart(filename, "http:", NULL)) {
3030
        /* special case for files sent to ffserver: we get the stream
3031
           parameters from ffserver */
3032
        if (read_ffserver_streams(oc, filename) < 0) {
3033
            fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3034
            exit(1);
3035
        }
3036
    } else {
3037
        use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3038
        use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3039
        use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3040

    
3041
        /* disable if no corresponding type found and at least one
3042
           input file */
3043
        if (nb_input_files > 0) {
3044
            check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3045
                                         &input_has_subtitle);
3046
            if (!input_has_video)
3047
                use_video = 0;
3048
            if (!input_has_audio)
3049
                use_audio = 0;
3050
            if (!input_has_subtitle)
3051
                use_subtitle = 0;
3052
        }
3053

    
3054
        /* manual disable */
3055
        if (audio_disable) {
3056
            use_audio = 0;
3057
        }
3058
        if (video_disable) {
3059
            use_video = 0;
3060
        }
3061
        if (subtitle_disable) {
3062
            use_subtitle = 0;
3063
        }
3064

    
3065
        if (use_video) {
3066
            new_video_stream(oc);
3067
        }
3068

    
3069
        if (use_audio) {
3070
            new_audio_stream(oc);
3071
        }
3072

    
3073
        if (use_subtitle) {
3074
            new_subtitle_stream(oc);
3075
        }
3076

    
3077
        oc->timestamp = rec_timestamp;
3078

    
3079
        if (str_title)
3080
            av_strlcpy(oc->title, str_title, sizeof(oc->title));
3081
        if (str_author)
3082
            av_strlcpy(oc->author, str_author, sizeof(oc->author));
3083
        if (str_copyright)
3084
            av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3085
        if (str_comment)
3086
            av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3087
        if (str_album)
3088
            av_strlcpy(oc->album, str_album, sizeof(oc->album));
3089
    }
3090

    
3091
    output_files[nb_output_files++] = oc;
3092

    
3093
    /* check filename in case of an image number is expected */
3094
    if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3095
        if (!av_filename_number_test(oc->filename)) {
3096
            print_error(oc->filename, AVERROR_NUMEXPECTED);
3097
            exit(1);
3098
        }
3099
    }
3100

    
3101
    if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3102
        /* test if it already exists to avoid loosing precious files */
3103
        if (!file_overwrite &&
3104
            (strchr(filename, ':') == NULL ||
3105
             av_strstart(filename, "file:", NULL))) {
3106
            if (url_exist(filename)) {
3107
                int c;
3108

    
3109
                if ( !using_stdin ) {
3110
                    fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3111
                    fflush(stderr);
3112
                    c = getchar();
3113
                    if (toupper(c) != 'Y') {
3114
                        fprintf(stderr, "Not overwriting - exiting\n");
3115
                        exit(1);
3116
                    }
3117
                                }
3118
                                else {
3119
                    fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3120
                    exit(1);
3121
                                }
3122
            }
3123
        }
3124

    
3125
        /* open the file */
3126
        if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3127
            fprintf(stderr, "Could not open '%s'\n", filename);
3128
            exit(1);
3129
        }
3130
    }
3131

    
3132
    memset(ap, 0, sizeof(*ap));
3133
    if (av_set_parameters(oc, ap) < 0) {
3134
        fprintf(stderr, "%s: Invalid encoding parameters\n",
3135
                oc->filename);
3136
        exit(1);
3137
    }
3138

    
3139
    oc->preload= (int)(mux_preload*AV_TIME_BASE);
3140
    oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3141
    oc->loop_output = loop_output;
3142

    
3143
    for(i=0; i<opt_name_count; i++){
3144
        const AVOption *opt;
3145
        double d = av_get_double(avformat_opts, opt_names[i], &opt);
3146
        if(d==d && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3147
            av_set_double(oc, opt_names[i], d);
3148
    }
3149

    
3150
    /* reset some options */
3151
    file_oformat = NULL;
3152
    file_iformat = NULL;
3153
}
3154

    
3155
/* same option as mencoder */
3156
static void opt_pass(const char *pass_str)
3157
{
3158
    int pass;
3159
    pass = atoi(pass_str);
3160
    if (pass != 1 && pass != 2) {
3161
        fprintf(stderr, "pass number can be only 1 or 2\n");
3162
        exit(1);
3163
    }
3164
    do_pass = pass;
3165
}
3166

    
3167
static int64_t getutime(void)
3168
{
3169
#ifdef HAVE_GETRUSAGE
3170
    struct rusage rusage;
3171

    
3172
    getrusage(RUSAGE_SELF, &rusage);
3173
    return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3174
#elif defined(HAVE_GETPROCESSTIMES)
3175
    HANDLE proc;
3176
    FILETIME c, e, k, u;
3177
    proc = GetCurrentProcess();
3178
    GetProcessTimes(proc, &c, &e, &k, &u);
3179
    return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3180
#else
3181
    return av_gettime();
3182
#endif
3183
}
3184

    
3185
#if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3186
extern int ffm_nopts;
3187
#endif
3188

    
3189
static void show_formats(void)
3190
{
3191
    AVInputFormat *ifmt;
3192
    AVOutputFormat *ofmt;
3193
    URLProtocol *up;
3194
    AVCodec *p, *p2;
3195
    const char *last_name;
3196

    
3197
    printf("File formats:\n");
3198
    last_name= "000";
3199
    for(;;){
3200
        int decode=0;
3201
        int encode=0;
3202
        const char *name=NULL;
3203
        const char *long_name=NULL;
3204

    
3205
        for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3206
            if((name == NULL || strcmp(ofmt->name, name)<0) &&
3207
                strcmp(ofmt->name, last_name)>0){
3208
                name= ofmt->name;
3209
                long_name= ofmt->long_name;
3210
                encode=1;
3211
            }
3212
        }
3213
        for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3214
            if((name == NULL || strcmp(ifmt->name, name)<0) &&
3215
                strcmp(ifmt->name, last_name)>0){
3216
                name= ifmt->name;
3217
                long_name= ifmt->long_name;
3218
                encode=0;
3219
            }
3220
            if(name && strcmp(ifmt->name, name)==0)
3221
                decode=1;
3222
        }
3223
        if(name==NULL)
3224
            break;
3225
        last_name= name;
3226

    
3227
        printf(
3228
            " %s%s %-15s %s\n",
3229
            decode ? "D":" ",
3230
            encode ? "E":" ",
3231
            name,
3232
            long_name ? long_name:" ");
3233
    }
3234
    printf("\n");
3235

    
3236
    printf("Codecs:\n");
3237
    last_name= "000";
3238
    for(;;){
3239
        int decode=0;
3240
        int encode=0;
3241
        int cap=0;
3242
        const char *type_str;
3243

    
3244
        p2=NULL;
3245
        for(p = first_avcodec; p != NULL; p = p->next) {
3246
            if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3247
                strcmp(p->name, last_name)>0){
3248
                p2= p;
3249
                decode= encode= cap=0;
3250
            }
3251
            if(p2 && strcmp(p->name, p2->name)==0){
3252
                if(p->decode) decode=1;
3253
                if(p->encode) encode=1;
3254
                cap |= p->capabilities;
3255
            }
3256
        }
3257
        if(p2==NULL)
3258
            break;
3259
        last_name= p2->name;
3260

    
3261
        switch(p2->type) {
3262
        case CODEC_TYPE_VIDEO:
3263
            type_str = "V";
3264
            break;
3265
        case CODEC_TYPE_AUDIO:
3266
            type_str = "A";
3267
            break;
3268
        case CODEC_TYPE_SUBTITLE:
3269
            type_str = "S";
3270
            break;
3271
        default:
3272
            type_str = "?";
3273
            break;
3274
        }
3275
        printf(
3276
            " %s%s%s%s%s%s %s",
3277
            decode ? "D": (/*p2->decoder ? "d":*/" "),
3278
            encode ? "E":" ",
3279
            type_str,
3280
            cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3281
            cap & CODEC_CAP_DR1 ? "D":" ",
3282
            cap & CODEC_CAP_TRUNCATED ? "T":" ",
3283
            p2->name);
3284
       /* if(p2->decoder && decode==0)
3285
            printf(" use %s for decoding", p2->decoder->name);*/
3286
        printf("\n");
3287
    }
3288
    printf("\n");
3289

    
3290
    printf("Supported file protocols:\n");
3291
    for(up = first_protocol; up != NULL; up = up->next)
3292
        printf(" %s:", up->name);
3293
    printf("\n");
3294

    
3295
    printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3296
    printf("\n");
3297
    printf(
3298
"Note, the names of encoders and decoders do not always match, so there are\n"
3299
"several cases where the above table shows encoder only or decoder only entries\n"
3300
"even though both encoding and decoding are supported. For example, the h263\n"
3301
"decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
3302
"worse.\n");
3303
    exit(1);
3304
}
3305

    
3306
static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3307
{
3308
    int i;
3309
    const char *p = str;
3310
    for(i = 0;; i++) {
3311
        dest[i] = atoi(p);
3312
        if(i == 63)
3313
            break;
3314
        p = strchr(p, ',');
3315
        if(!p) {
3316
            fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3317
            exit(1);
3318
        }
3319
        p++;
3320
    }
3321
}
3322

    
3323
static void opt_inter_matrix(const char *arg)
3324
{
3325
    inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3326
    parse_matrix_coeffs(inter_matrix, arg);
3327
}
3328

    
3329
static void opt_intra_matrix(const char *arg)
3330
{
3331
    intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3332
    parse_matrix_coeffs(intra_matrix, arg);
3333
}
3334

    
3335
static void opt_target(const char *arg)
3336
{
3337
    int norm = -1;
3338
    static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3339

    
3340
    if(!strncmp(arg, "pal-", 4)) {
3341
        norm = 0;
3342
        arg += 4;
3343
    } else if(!strncmp(arg, "ntsc-", 5)) {
3344
        norm = 1;
3345
        arg += 5;
3346
    } else if(!strncmp(arg, "film-", 5)) {
3347
        norm = 2;
3348
        arg += 5;
3349
    } else {
3350
        int fr;
3351
        /* Calculate FR via float to avoid int overflow */
3352
        fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3353
        if(fr == 25000) {
3354
            norm = 0;
3355
        } else if((fr == 29970) || (fr == 23976)) {
3356
            norm = 1;
3357
        } else {
3358
            /* Try to determine PAL/NTSC by peeking in the input files */
3359
            if(nb_input_files) {
3360
                int i, j;
3361
                for(j = 0; j < nb_input_files; j++) {
3362
                    for(i = 0; i < input_files[j]->nb_streams; i++) {
3363
                        AVCodecContext *c = input_files[j]->streams[i]->codec;
3364
                        if(c->codec_type != CODEC_TYPE_VIDEO)
3365
                            continue;
3366
                        fr = c->time_base.den * 1000 / c->time_base.num;
3367
                        if(fr == 25000) {
3368
                            norm = 0;
3369
                            break;
3370
                        } else if((fr == 29970) || (fr == 23976)) {
3371
                            norm = 1;
3372
                            break;
3373
                        }
3374
                    }
3375
                    if(norm >= 0)
3376
                        break;
3377
                }
3378
            }
3379
        }
3380
        if(verbose && norm >= 0)
3381
            fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3382
    }
3383

    
3384
    if(norm < 0) {
3385
        fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3386
        fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3387
        fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3388
        exit(1);
3389
    }
3390

    
3391
    if(!strcmp(arg, "vcd")) {
3392

    
3393
        opt_video_codec("mpeg1video");
3394
        opt_audio_codec("mp2");
3395
        opt_format("vcd");
3396

    
3397
        opt_frame_size(norm ? "352x240" : "352x288");
3398
        opt_frame_rate(frame_rates[norm]);
3399
        opt_default("gop", norm ? "18" : "15");
3400

    
3401
        opt_default("b", "1150000");
3402
        opt_default("maxrate", "1150000");
3403
        opt_default("minrate", "1150000");
3404
        opt_default("bufsize", "327680"); // 40*1024*8;
3405

    
3406
        opt_default("ab", "224000");
3407
        audio_sample_rate = 44100;
3408
        audio_channels = 2;
3409

    
3410
        opt_default("packetsize", "2324");
3411
        opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3412

    
3413
        /* We have to offset the PTS, so that it is consistent with the SCR.
3414
           SCR starts at 36000, but the first two packs contain only padding
3415
           and the first pack from the other stream, respectively, may also have
3416
           been written before.
3417
           So the real data starts at SCR 36000+3*1200. */
3418
        mux_preload= (36000+3*1200) / 90000.0; //0.44
3419
    } else if(!strcmp(arg, "svcd")) {
3420

    
3421
        opt_video_codec("mpeg2video");
3422
        opt_audio_codec("mp2");
3423
        opt_format("svcd");
3424

    
3425
        opt_frame_size(norm ? "480x480" : "480x576");
3426
        opt_frame_rate(frame_rates[norm]);
3427
        opt_default("gop", norm ? "18" : "15");
3428

    
3429
        opt_default("b", "2040000");
3430
        opt_default("maxrate", "2516000");
3431
        opt_default("minrate", "0"); //1145000;
3432
        opt_default("bufsize", "1835008"); //224*1024*8;
3433
        opt_default("flags", "+SCAN_OFFSET");
3434

    
3435

    
3436
        opt_default("ab", "224000");
3437
        audio_sample_rate = 44100;
3438

    
3439
        opt_default("packetsize", "2324");
3440

    
3441
    } else if(!strcmp(arg, "dvd")) {
3442

    
3443
        opt_video_codec("mpeg2video");
3444
        opt_audio_codec("ac3");
3445
        opt_format("dvd");
3446

    
3447
        opt_frame_size(norm ? "720x480" : "720x576");
3448
        opt_frame_rate(frame_rates[norm]);
3449
        opt_default("gop", norm ? "18" : "15");
3450

    
3451
        opt_default("b", "6000000");
3452
        opt_default("maxrate", "9000000");
3453
        opt_default("minrate", "0"); //1500000;
3454
        opt_default("bufsize", "1835008"); //224*1024*8;
3455

    
3456
        opt_default("packetsize", "2048");  // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3457
        opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3458

    
3459
        opt_default("ab", "448000");
3460
        audio_sample_rate = 48000;
3461

    
3462
    } else if(!strncmp(arg, "dv", 2)) {
3463

    
3464
        opt_format("dv");
3465

    
3466
        opt_frame_size(norm ? "720x480" : "720x576");
3467
        opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3468
                                             (norm ? "yuv411p" : "yuv420p"));
3469
        opt_frame_rate(frame_rates[norm]);
3470

    
3471
        audio_sample_rate = 48000;
3472
        audio_channels = 2;
3473

    
3474
    } else {
3475
        fprintf(stderr, "Unknown target: %s\n", arg);
3476
        exit(1);
3477
    }
3478
}
3479

    
3480
static void opt_vstats_file (const char *arg)
3481
{
3482
    av_free (vstats_filename);
3483
    vstats_filename=av_strdup (arg);
3484
}
3485

    
3486
static void opt_vstats (void)
3487
{
3488
    char filename[40];
3489
    time_t today2 = time(NULL);
3490
    struct tm *today = localtime(&today2);
3491

    
3492
    snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3493
             today->tm_sec);
3494
    opt_vstats_file(filename);
3495
}
3496

    
3497
static void opt_video_bsf(const char *arg)
3498
{
3499
    AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3500
    AVBitStreamFilterContext **bsfp;
3501

    
3502
    if(!bsfc){
3503
        fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3504
        exit(1);
3505
    }
3506

    
3507
    bsfp= &video_bitstream_filters;
3508
    while(*bsfp)
3509
        bsfp= &(*bsfp)->next;
3510

    
3511
    *bsfp= bsfc;
3512
}
3513

    
3514
//FIXME avoid audio - video code duplication
3515
static void opt_audio_bsf(const char *arg)
3516
{
3517
    AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3518
    AVBitStreamFilterContext **bsfp;
3519

    
3520
    if(!bsfc){
3521
        fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3522
        exit(1);
3523
    }
3524

    
3525
    bsfp= &audio_bitstream_filters;
3526
    while(*bsfp)
3527
        bsfp= &(*bsfp)->next;
3528

    
3529
    *bsfp= bsfc;
3530
}
3531

    
3532
static void show_version(void)
3533
{
3534
    /* TODO: add function interface to avutil and avformat */
3535
    fprintf(stderr, "ffmpeg      " FFMPEG_VERSION "\n"
3536
           "libavutil   %d\n"
3537
           "libavcodec  %d\n"
3538
           "libavformat %d\n",
3539
           LIBAVUTIL_BUILD, avcodec_build(), LIBAVFORMAT_BUILD);
3540
    exit(1);
3541
}
3542

    
3543
static int opt_default(const char *opt, const char *arg){
3544
    int type;
3545
    const AVOption *o= NULL;
3546
    int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
3547

    
3548
    for(type=0; type<CODEC_TYPE_NB; type++){
3549
        const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
3550
        if(o2)
3551
            o = av_set_string(avctx_opts[type], opt, arg);
3552
    }
3553
    if(!o)
3554
        o = av_set_string(avformat_opts, opt, arg);
3555
    if(!o)
3556
        o = av_set_string(sws_opts, opt, arg);
3557
    if(!o){
3558
        if(opt[0] == 'a')
3559
            o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
3560
        else if(opt[0] == 'v')
3561
            o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
3562
        else if(opt[0] == 's')
3563
            o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
3564
    }
3565
    if(!o)
3566
        return -1;
3567

    
3568
//    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));
3569

    
3570
    //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
3571
    opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
3572
    opt_names[opt_name_count++]= o->name;
3573

    
3574
#if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3575
    /* disable generate of real time pts in ffm (need to be supressed anyway) */
3576
    if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
3577
        ffm_nopts = 1;
3578
#endif
3579

    
3580
    if(avctx_opts[0]->debug)
3581
        av_log_level = AV_LOG_DEBUG;
3582
    return 0;
3583
}
3584

    
3585
const OptionDef options[] = {
3586
    /* main options */
3587
    { "L", 0, {(void*)show_license}, "show license" },
3588
    { "h", 0, {(void*)show_help}, "show help" },
3589
    { "version", 0, {(void*)show_version}, "show version" },
3590
    { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3591
    { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3592
    { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3593
    { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3594
    { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3595
    { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3596
    { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
3597
    { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3598
    { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3599
    { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3600
    { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3601
    { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3602
    { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3603
    { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3604
    { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3605
    { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3606
    { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3607
      "add timings for benchmarking" },
3608
    { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3609
      "dump each input packet" },
3610
    { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3611
      "when dumping packets, also dump the payload" },
3612
    { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3613
    { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3614
    { "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)", "" },
3615
    { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3616
    { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3617
    { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3618
    { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3619
    { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3620
    { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "" },
3621
    { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3622
    { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)&copy_ts}, "copy timestamps" },
3623
    { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3624
    { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3625

    
3626
    /* video options */
3627
    { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3628
    { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3629
    { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3630
    { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3631
    { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3632
    { "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" },
3633
    { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3634
    { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3635
    { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3636
    { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3637
    { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3638
    { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3639
    { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3640
    { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3641
    { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3642
    { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3643
    { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3644
    { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3645
    { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3646
    { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3647
    { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
3648
    { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3649
    { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3650
    { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold",  "" },
3651
    { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3652
    { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3653
      "use same video quality as source (implies VBR)" },
3654
    { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3655
    { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3656
    { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3657
      "deinterlace pictures" },
3658
    { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3659
    { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3660
    { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3661
#ifdef CONFIG_VHOOK
3662
    { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3663
#endif
3664
    { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3665
    { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3666
    { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3667
    { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3668
    { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3669
    { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3670
    { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3671

    
3672
    /* audio options */
3673
    { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3674
    { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3675
    { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3676
    { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3677
    { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3678
    { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3679
    { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3680
    { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3681
    { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3682
    { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3683

    
3684
    /* subtitle options */
3685
    { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3686
    { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3687
    { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3688
    { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3689

    
3690
    /* grab options */
3691
    { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3692
    { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3693
    { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3694

    
3695
    /* muxer options */
3696
    { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3697
    { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3698

    
3699
    { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_audio_bsf}, "", "bitstream filter" },
3700
    { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_video_bsf}, "", "bitstream filter" },
3701

    
3702
    { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3703
    { NULL, },
3704
};
3705

    
3706
static void show_banner(void)
3707
{
3708
    fprintf(stderr, "FFmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2007 Fabrice Bellard, et al.\n");
3709
    fprintf(stderr, "  configuration: " FFMPEG_CONFIGURATION "\n");
3710
    fprintf(stderr, "  libavutil version: " AV_STRINGIFY(LIBAVUTIL_VERSION) "\n");
3711
    fprintf(stderr, "  libavcodec version: " AV_STRINGIFY(LIBAVCODEC_VERSION) "\n");
3712
    fprintf(stderr, "  libavformat version: " AV_STRINGIFY(LIBAVFORMAT_VERSION) "\n");
3713
    fprintf(stderr, "  built on " __DATE__ " " __TIME__);
3714
#ifdef __GNUC__
3715
    fprintf(stderr, ", gcc: " __VERSION__ "\n");
3716
#else
3717
    fprintf(stderr, ", using a non-gcc compiler\n");
3718
#endif
3719
}
3720

    
3721
static void show_license(void)
3722
{
3723
#ifdef CONFIG_GPL
3724
    printf(
3725
    "FFmpeg is free software; you can redistribute it and/or modify\n"
3726
    "it under the terms of the GNU General Public License as published by\n"
3727
    "the Free Software Foundation; either version 2 of the License, or\n"
3728
    "(at your option) any later version.\n"
3729
    "\n"
3730
    "FFmpeg is distributed in the hope that it will be useful,\n"
3731
    "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3732
    "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
3733
    "GNU General Public License for more details.\n"
3734
    "\n"
3735
    "You should have received a copy of the GNU General Public License\n"
3736
    "along with FFmpeg; if not, write to the Free Software\n"
3737
    "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
3738
    );
3739
#else
3740
    printf(
3741
    "FFmpeg is free software; you can redistribute it and/or\n"
3742
    "modify it under the terms of the GNU Lesser General Public\n"
3743
    "License as published by the Free Software Foundation; either\n"
3744
    "version 2.1 of the License, or (at your option) any later version.\n"
3745
    "\n"
3746
    "FFmpeg is distributed in the hope that it will be useful,\n"
3747
    "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3748
    "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\n"
3749
    "Lesser General Public License for more details.\n"
3750
    "\n"
3751
    "You should have received a copy of the GNU Lesser General Public\n"
3752
    "License along with FFmpeg; if not, write to the Free Software\n"
3753
    "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
3754
    );
3755
#endif
3756
    exit(1);
3757
}
3758

    
3759
/**
3760
 * Trivial log callback.
3761
 * Only suitable for show_help and similar since it lacks prefix handling.
3762
 */
3763
static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3764
{
3765
    vfprintf(stdout, fmt, vl);
3766
}
3767

    
3768
static void show_help(void)
3769
{
3770
    av_log_set_callback(log_callback_help);
3771
    printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3772
           "Hyper fast Audio and Video encoder\n");
3773
    printf("\n");
3774
    show_help_options(options, "Main options:\n",
3775
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3776
    show_help_options(options, "\nVideo options:\n",
3777
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3778
                      OPT_VIDEO);
3779
    show_help_options(options, "\nAdvanced Video options:\n",
3780
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3781
                      OPT_VIDEO | OPT_EXPERT);
3782
    show_help_options(options, "\nAudio options:\n",
3783
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3784
                      OPT_AUDIO);
3785
    show_help_options(options, "\nAdvanced Audio options:\n",
3786
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3787
                      OPT_AUDIO | OPT_EXPERT);
3788
    show_help_options(options, "\nSubtitle options:\n",
3789
                      OPT_SUBTITLE | OPT_GRAB,
3790
                      OPT_SUBTITLE);
3791
    show_help_options(options, "\nAudio/Video grab options:\n",
3792
                      OPT_GRAB,
3793
                      OPT_GRAB);
3794
    show_help_options(options, "\nAdvanced options:\n",
3795
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3796
                      OPT_EXPERT);
3797
    av_opt_show(avctx_opts[0], NULL);
3798
    av_opt_show(avformat_opts, NULL);
3799
    av_opt_show(sws_opts, NULL);
3800

    
3801
    exit(1);
3802
}
3803

    
3804
void parse_arg_file(const char *filename)
3805
{
3806
    opt_output_file(filename);
3807
}
3808

    
3809
int main(int argc, char **argv)
3810
{
3811
    int i;
3812
    int64_t ti;
3813

    
3814
    av_register_all();
3815

    
3816
    for(i=0; i<CODEC_TYPE_NB; i++){
3817
        avctx_opts[i]= avcodec_alloc_context2(i);
3818
    }
3819
    avformat_opts = av_alloc_format_context();
3820
    sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3821

    
3822
    show_banner();
3823
    if (argc <= 1)
3824
        show_help();
3825

    
3826
    /* parse options */
3827
    parse_options(argc, argv, options);
3828

    
3829
    /* file converter / grab */
3830
    if (nb_output_files <= 0) {
3831
        fprintf(stderr, "Must supply at least one output file\n");
3832
        exit(1);
3833
    }
3834

    
3835
    if (nb_input_files == 0) {
3836
        fprintf(stderr, "Must supply at least one input file\n");
3837
        exit(1);
3838
    }
3839

    
3840
    ti = getutime();
3841
    av_encode(output_files, nb_output_files, input_files, nb_input_files,
3842
              stream_maps, nb_stream_maps);
3843
    ti = getutime() - ti;
3844
    if (do_benchmark) {
3845
        printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3846
    }
3847

    
3848
    /* close files */
3849
    for(i=0;i<nb_output_files;i++) {
3850
        /* maybe av_close_output_file ??? */
3851
        AVFormatContext *s = output_files[i];
3852
        int j;
3853
        if (!(s->oformat->flags & AVFMT_NOFILE))
3854
            url_fclose(&s->pb);
3855
        for(j=0;j<s->nb_streams;j++) {
3856
            av_free(s->streams[j]->codec);
3857
            av_free(s->streams[j]);
3858
        }
3859
        av_free(s);
3860
    }
3861
    for(i=0;i<nb_input_files;i++)
3862
        av_close_input_file(input_files[i]);
3863

    
3864
    av_free_static();
3865

    
3866
    av_free(intra_matrix);
3867
    av_free(inter_matrix);
3868

    
3869
    if (fvstats)
3870
        fclose(fvstats);
3871
    av_free(vstats_filename);
3872

    
3873
    av_free(opt_names);
3874

    
3875
    av_free(video_codec_name);
3876
    av_free(audio_codec_name);
3877
    av_free(subtitle_codec_name);
3878

    
3879
    av_free(video_standard);
3880

    
3881
#ifdef CONFIG_POWERPC_PERF
3882
    extern void powerpc_display_perf_report(void);
3883
    powerpc_display_perf_report();
3884
#endif /* CONFIG_POWERPC_PERF */
3885

    
3886
    if (received_sigterm) {
3887
        fprintf(stderr,
3888
            "Received signal %d: terminating.\n",
3889
            (int) received_sigterm);
3890
        exit (255);
3891
    }
3892

    
3893
    exit(0); /* not all OS-es handle main() return value */
3894
    return 0;
3895
}