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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 opt_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
           && !(is->start_time == AV_NOPTS_VALUE && input_files_ts_offset[ist->file_index]==0))
1783
            ist->next_pts= AV_NOPTS_VALUE;
1784
        ist->is_start = 1;
1785
    }
1786

    
1787
    /* set meta data information from input file if required */
1788
    for (i=0;i<nb_meta_data_maps;i++) {
1789
        AVFormatContext *out_file;
1790
        AVFormatContext *in_file;
1791

    
1792
        int out_file_index = meta_data_maps[i].out_file;
1793
        int in_file_index = meta_data_maps[i].in_file;
1794
        if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1795
            fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1796
            ret = AVERROR(EINVAL);
1797
            goto fail;
1798
        }
1799
        if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1800
            fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1801
            ret = AVERROR(EINVAL);
1802
            goto fail;
1803
        }
1804

    
1805
        out_file = output_files[out_file_index];
1806
        in_file = input_files[in_file_index];
1807

    
1808
        strcpy(out_file->title, in_file->title);
1809
        strcpy(out_file->author, in_file->author);
1810
        strcpy(out_file->copyright, in_file->copyright);
1811
        strcpy(out_file->comment, in_file->comment);
1812
        strcpy(out_file->album, in_file->album);
1813
        out_file->year = in_file->year;
1814
        out_file->track = in_file->track;
1815
        strcpy(out_file->genre, in_file->genre);
1816
    }
1817

    
1818
    /* open files and write file headers */
1819
    for(i=0;i<nb_output_files;i++) {
1820
        os = output_files[i];
1821
        if (av_write_header(os) < 0) {
1822
            fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1823
            ret = AVERROR(EINVAL);
1824
            goto fail;
1825
        }
1826
    }
1827

    
1828
    if ( !using_stdin && verbose >= 0) {
1829
        fprintf(stderr, "Press [q] to stop encoding\n");
1830
        url_set_interrupt_cb(decode_interrupt_cb);
1831
    }
1832
    term_init();
1833

    
1834
    key = -1;
1835
    timer_start = av_gettime();
1836

    
1837
    for(; received_sigterm == 0;) {
1838
        int file_index, ist_index;
1839
        AVPacket pkt;
1840
        double ipts_min;
1841
        double opts_min;
1842

    
1843
    redo:
1844
        ipts_min= 1e100;
1845
        opts_min= 1e100;
1846
        /* if 'q' pressed, exits */
1847
        if (!using_stdin) {
1848
            if (q_pressed)
1849
                break;
1850
            /* read_key() returns 0 on EOF */
1851
            key = read_key();
1852
            if (key == 'q')
1853
                break;
1854
        }
1855

    
1856
        /* select the stream that we must read now by looking at the
1857
           smallest output pts */
1858
        file_index = -1;
1859
        for(i=0;i<nb_ostreams;i++) {
1860
            double ipts, opts;
1861
            ost = ost_table[i];
1862
            os = output_files[ost->file_index];
1863
            ist = ist_table[ost->source_index];
1864
            if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1865
                opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1866
            else
1867
                opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1868
            ipts = (double)ist->pts;
1869
            if (!file_table[ist->file_index].eof_reached){
1870
                if(ipts < ipts_min) {
1871
                    ipts_min = ipts;
1872
                    if(input_sync ) file_index = ist->file_index;
1873
                }
1874
                if(opts < opts_min) {
1875
                    opts_min = opts;
1876
                    if(!input_sync) file_index = ist->file_index;
1877
                }
1878
            }
1879
            if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1880
                file_index= -1;
1881
                break;
1882
            }
1883
        }
1884
        /* if none, if is finished */
1885
        if (file_index < 0) {
1886
            break;
1887
        }
1888

    
1889
        /* finish if recording time exhausted */
1890
        if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1891
            break;
1892

    
1893
        /* finish if limit size exhausted */
1894
        if (limit_filesize != 0 && limit_filesize < url_ftell(&output_files[0]->pb))
1895
            break;
1896

    
1897
        /* read a frame from it and output it in the fifo */
1898
        is = input_files[file_index];
1899
        if (av_read_frame(is, &pkt) < 0) {
1900
            file_table[file_index].eof_reached = 1;
1901
            if (opt_shortest)
1902
                break;
1903
            else
1904
                continue;
1905
        }
1906

    
1907
        if (do_pkt_dump) {
1908
            av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1909
        }
1910
        /* the following test is needed in case new streams appear
1911
           dynamically in stream : we ignore them */
1912
        if (pkt.stream_index >= file_table[file_index].nb_streams)
1913
            goto discard_packet;
1914
        ist_index = file_table[file_index].ist_index + pkt.stream_index;
1915
        ist = ist_table[ist_index];
1916
        if (ist->discard)
1917
            goto discard_packet;
1918

    
1919
        if (pkt.dts != AV_NOPTS_VALUE)
1920
            pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1921
        if (pkt.pts != AV_NOPTS_VALUE)
1922
            pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1923

    
1924
//        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);
1925
        if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1926
            int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
1927
            int64_t delta= pkt_dts - ist->next_pts;
1928
            if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
1929
                input_files_ts_offset[ist->file_index]-= delta;
1930
                if (verbose > 2)
1931
                    fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1932
                pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1933
                if(pkt.pts != AV_NOPTS_VALUE)
1934
                    pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1935
            }
1936
        }
1937

    
1938
        //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1939
        if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1940

    
1941
            if (verbose >= 0)
1942
                fprintf(stderr, "Error while decoding stream #%d.%d\n",
1943
                        ist->file_index, ist->index);
1944

    
1945
            av_free_packet(&pkt);
1946
            goto redo;
1947
        }
1948

    
1949
    discard_packet:
1950
        av_free_packet(&pkt);
1951

    
1952
        /* dump report by using the output first video and audio streams */
1953
        print_report(output_files, ost_table, nb_ostreams, 0);
1954
    }
1955

    
1956
    /* at the end of stream, we must flush the decoder buffers */
1957
    for(i=0;i<nb_istreams;i++) {
1958
        ist = ist_table[i];
1959
        if (ist->decoding_needed) {
1960
            output_packet(ist, i, ost_table, nb_ostreams, NULL);
1961
        }
1962
    }
1963

    
1964
    term_exit();
1965

    
1966
    /* write the trailer if needed and close file */
1967
    for(i=0;i<nb_output_files;i++) {
1968
        os = output_files[i];
1969
        av_write_trailer(os);
1970
    }
1971

    
1972
    /* dump report by using the first video and audio streams */
1973
    print_report(output_files, ost_table, nb_ostreams, 1);
1974

    
1975
    /* close each encoder */
1976
    for(i=0;i<nb_ostreams;i++) {
1977
        ost = ost_table[i];
1978
        if (ost->encoding_needed) {
1979
            av_freep(&ost->st->codec->stats_in);
1980
            avcodec_close(ost->st->codec);
1981
        }
1982
    }
1983

    
1984
    /* close each decoder */
1985
    for(i=0;i<nb_istreams;i++) {
1986
        ist = ist_table[i];
1987
        if (ist->decoding_needed) {
1988
            avcodec_close(ist->st->codec);
1989
        }
1990
    }
1991

    
1992
    /* finished ! */
1993

    
1994
    ret = 0;
1995
 fail1:
1996
    av_freep(&bit_buffer);
1997
    av_free(file_table);
1998

    
1999
    if (ist_table) {
2000
        for(i=0;i<nb_istreams;i++) {
2001
            ist = ist_table[i];
2002
            av_free(ist);
2003
        }
2004
        av_free(ist_table);
2005
    }
2006
    if (ost_table) {
2007
        for(i=0;i<nb_ostreams;i++) {
2008
            ost = ost_table[i];
2009
            if (ost) {
2010
                if (ost->logfile) {
2011
                    fclose(ost->logfile);
2012
                    ost->logfile = NULL;
2013
                }
2014
                av_fifo_free(&ost->fifo); /* works even if fifo is not
2015
                                             initialized but set to zero */
2016
                av_free(ost->pict_tmp.data[0]);
2017
                if (ost->video_resample)
2018
                    sws_freeContext(ost->img_resample_ctx);
2019
                if (ost->audio_resample)
2020
                    audio_resample_close(ost->resample);
2021
                av_free(ost);
2022
            }
2023
        }
2024
        av_free(ost_table);
2025
    }
2026
    return ret;
2027
 fail:
2028
    ret = AVERROR(ENOMEM);
2029
    goto fail1;
2030
}
2031

    
2032
#if 0
2033
int file_read(const char *filename)
2034
{
2035
    URLContext *h;
2036
    unsigned char buffer[1024];
2037
    int len, i;
2038

2039
    if (url_open(&h, filename, O_RDONLY) < 0) {
2040
        printf("could not open '%s'\n", filename);
2041
        return -1;
2042
    }
2043
    for(;;) {
2044
        len = url_read(h, buffer, sizeof(buffer));
2045
        if (len <= 0)
2046
            break;
2047
        for(i=0;i<len;i++) putchar(buffer[i]);
2048
    }
2049
    url_close(h);
2050
    return 0;
2051
}
2052
#endif
2053

    
2054
static void opt_format(const char *arg)
2055
{
2056
    /* compatibility stuff for pgmyuv */
2057
    if (!strcmp(arg, "pgmyuv")) {
2058
        pgmyuv_compatibility_hack=1;
2059
//        opt_image_format(arg);
2060
        arg = "image2";
2061
        fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2062
    }
2063

    
2064
    file_iformat = av_find_input_format(arg);
2065
    file_oformat = guess_format(arg, NULL, NULL);
2066
    if (!file_iformat && !file_oformat) {
2067
        fprintf(stderr, "Unknown input or output format: %s\n", arg);
2068
        exit(1);
2069
    }
2070
}
2071

    
2072
static void opt_video_rc_eq(char *arg)
2073
{
2074
    video_rc_eq = arg;
2075
}
2076

    
2077
static void opt_video_rc_override_string(char *arg)
2078
{
2079
    video_rc_override_string = arg;
2080
}
2081

    
2082
static void opt_me_threshold(const char *arg)
2083
{
2084
    me_threshold = atoi(arg);
2085
}
2086

    
2087
static void opt_verbose(const char *arg)
2088
{
2089
    verbose = atoi(arg);
2090
    av_log_level = atoi(arg);
2091
}
2092

    
2093
static void opt_frame_rate(const char *arg)
2094
{
2095
    if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2096
        fprintf(stderr, "Incorrect frame rate\n");
2097
        exit(1);
2098
    }
2099
}
2100

    
2101
static void opt_frame_crop_top(const char *arg)
2102
{
2103
    frame_topBand = atoi(arg);
2104
    if (frame_topBand < 0) {
2105
        fprintf(stderr, "Incorrect top crop size\n");
2106
        exit(1);
2107
    }
2108
    if ((frame_topBand % 2) != 0) {
2109
        fprintf(stderr, "Top crop size must be a multiple of 2\n");
2110
        exit(1);
2111
    }
2112
    if ((frame_topBand) >= frame_height){
2113
        fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2114
        exit(1);
2115
    }
2116
    frame_height -= frame_topBand;
2117
}
2118

    
2119
static void opt_frame_crop_bottom(const char *arg)
2120
{
2121
    frame_bottomBand = atoi(arg);
2122
    if (frame_bottomBand < 0) {
2123
        fprintf(stderr, "Incorrect bottom crop size\n");
2124
        exit(1);
2125
    }
2126
    if ((frame_bottomBand % 2) != 0) {
2127
        fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2128
        exit(1);
2129
    }
2130
    if ((frame_bottomBand) >= frame_height){
2131
        fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2132
        exit(1);
2133
    }
2134
    frame_height -= frame_bottomBand;
2135
}
2136

    
2137
static void opt_frame_crop_left(const char *arg)
2138
{
2139
    frame_leftBand = atoi(arg);
2140
    if (frame_leftBand < 0) {
2141
        fprintf(stderr, "Incorrect left crop size\n");
2142
        exit(1);
2143
    }
2144
    if ((frame_leftBand % 2) != 0) {
2145
        fprintf(stderr, "Left crop size must be a multiple of 2\n");
2146
        exit(1);
2147
    }
2148
    if ((frame_leftBand) >= frame_width){
2149
        fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2150
        exit(1);
2151
    }
2152
    frame_width -= frame_leftBand;
2153
}
2154

    
2155
static void opt_frame_crop_right(const char *arg)
2156
{
2157
    frame_rightBand = atoi(arg);
2158
    if (frame_rightBand < 0) {
2159
        fprintf(stderr, "Incorrect right crop size\n");
2160
        exit(1);
2161
    }
2162
    if ((frame_rightBand % 2) != 0) {
2163
        fprintf(stderr, "Right crop size must be a multiple of 2\n");
2164
        exit(1);
2165
    }
2166
    if ((frame_rightBand) >= frame_width){
2167
        fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2168
        exit(1);
2169
    }
2170
    frame_width -= frame_rightBand;
2171
}
2172

    
2173
static void opt_frame_size(const char *arg)
2174
{
2175
    if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2176
        fprintf(stderr, "Incorrect frame size\n");
2177
        exit(1);
2178
    }
2179
    if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2180
        fprintf(stderr, "Frame size must be a multiple of 2\n");
2181
        exit(1);
2182
    }
2183
}
2184

    
2185

    
2186
#define SCALEBITS 10
2187
#define ONE_HALF  (1 << (SCALEBITS - 1))
2188
#define FIX(x)    ((int) ((x) * (1<<SCALEBITS) + 0.5))
2189

    
2190
#define RGB_TO_Y(r, g, b) \
2191
((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2192
  FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2193

    
2194
#define RGB_TO_U(r1, g1, b1, shift)\
2195
(((- FIX(0.16874) * r1 - FIX(0.33126) * g1 +         \
2196
     FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2197

    
2198
#define RGB_TO_V(r1, g1, b1, shift)\
2199
(((FIX(0.50000) * r1 - FIX(0.41869) * g1 -           \
2200
   FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2201

    
2202
static void opt_pad_color(const char *arg) {
2203
    /* Input is expected to be six hex digits similar to
2204
       how colors are expressed in html tags (but without the #) */
2205
    int rgb = strtol(arg, NULL, 16);
2206
    int r,g,b;
2207

    
2208
    r = (rgb >> 16);
2209
    g = ((rgb >> 8) & 255);
2210
    b = (rgb & 255);
2211

    
2212
    padcolor[0] = RGB_TO_Y(r,g,b);
2213
    padcolor[1] = RGB_TO_U(r,g,b,0);
2214
    padcolor[2] = RGB_TO_V(r,g,b,0);
2215
}
2216

    
2217
static void opt_frame_pad_top(const char *arg)
2218
{
2219
    frame_padtop = atoi(arg);
2220
    if (frame_padtop < 0) {
2221
        fprintf(stderr, "Incorrect top pad size\n");
2222
        exit(1);
2223
    }
2224
    if ((frame_padtop % 2) != 0) {
2225
        fprintf(stderr, "Top pad size must be a multiple of 2\n");
2226
        exit(1);
2227
    }
2228
}
2229

    
2230
static void opt_frame_pad_bottom(const char *arg)
2231
{
2232
    frame_padbottom = atoi(arg);
2233
    if (frame_padbottom < 0) {
2234
        fprintf(stderr, "Incorrect bottom pad size\n");
2235
        exit(1);
2236
    }
2237
    if ((frame_padbottom % 2) != 0) {
2238
        fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2239
        exit(1);
2240
    }
2241
}
2242

    
2243

    
2244
static void opt_frame_pad_left(const char *arg)
2245
{
2246
    frame_padleft = atoi(arg);
2247
    if (frame_padleft < 0) {
2248
        fprintf(stderr, "Incorrect left pad size\n");
2249
        exit(1);
2250
    }
2251
    if ((frame_padleft % 2) != 0) {
2252
        fprintf(stderr, "Left pad size must be a multiple of 2\n");
2253
        exit(1);
2254
    }
2255
}
2256

    
2257

    
2258
static void opt_frame_pad_right(const char *arg)
2259
{
2260
    frame_padright = atoi(arg);
2261
    if (frame_padright < 0) {
2262
        fprintf(stderr, "Incorrect right pad size\n");
2263
        exit(1);
2264
    }
2265
    if ((frame_padright % 2) != 0) {
2266
        fprintf(stderr, "Right pad size must be a multiple of 2\n");
2267
        exit(1);
2268
    }
2269
}
2270

    
2271
void list_pix_fmts(void)
2272
{
2273
    int i;
2274
    char pix_fmt_str[128];
2275
    for (i=-1; i < PIX_FMT_NB; i++) {
2276
        avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2277
        fprintf(stdout, "%s\n", pix_fmt_str);
2278
    }
2279
}
2280

    
2281
static void opt_frame_pix_fmt(const char *arg)
2282
{
2283
    if (strcmp(arg, "list"))
2284
        frame_pix_fmt = avcodec_get_pix_fmt(arg);
2285
    else {
2286
        list_pix_fmts();
2287
        exit(0);
2288
    }
2289
}
2290

    
2291
static void opt_frame_aspect_ratio(const char *arg)
2292
{
2293
    int x = 0, y = 0;
2294
    double ar = 0;
2295
    const char *p;
2296

    
2297
    p = strchr(arg, ':');
2298
    if (p) {
2299
        x = strtol(arg, (char **)&arg, 10);
2300
        if (arg == p)
2301
            y = strtol(arg+1, (char **)&arg, 10);
2302
        if (x > 0 && y > 0)
2303
            ar = (double)x / (double)y;
2304
    } else
2305
        ar = strtod(arg, (char **)&arg);
2306

    
2307
    if (!ar) {
2308
        fprintf(stderr, "Incorrect aspect ratio specification.\n");
2309
        exit(1);
2310
    }
2311
    frame_aspect_ratio = ar;
2312
}
2313

    
2314
static void opt_qscale(const char *arg)
2315
{
2316
    video_qscale = atof(arg);
2317
    if (video_qscale <= 0 ||
2318
        video_qscale > 255) {
2319
        fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2320
        exit(1);
2321
    }
2322
}
2323

    
2324
static void opt_qdiff(const char *arg)
2325
{
2326
    video_qdiff = atoi(arg);
2327
    if (video_qdiff < 0 ||
2328
        video_qdiff > 31) {
2329
        fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2330
        exit(1);
2331
    }
2332
}
2333

    
2334
static void opt_strict(const char *arg)
2335
{
2336
    strict= atoi(arg);
2337
}
2338

    
2339
static void opt_top_field_first(const char *arg)
2340
{
2341
    top_field_first= atoi(arg);
2342
}
2343

    
2344
static void opt_thread_count(const char *arg)
2345
{
2346
    thread_count= atoi(arg);
2347
#if !defined(HAVE_THREADS)
2348
    if (verbose >= 0)
2349
        fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2350
#endif
2351
}
2352

    
2353
static void opt_audio_rate(const char *arg)
2354
{
2355
    audio_sample_rate = atoi(arg);
2356
}
2357

    
2358
static void opt_audio_channels(const char *arg)
2359
{
2360
    audio_channels = atoi(arg);
2361
}
2362

    
2363
static void opt_video_channel(const char *arg)
2364
{
2365
    video_channel = strtol(arg, NULL, 0);
2366
}
2367

    
2368
static void opt_video_standard(const char *arg)
2369
{
2370
    video_standard = av_strdup(arg);
2371
}
2372

    
2373
static void opt_codec(int *pstream_copy, char **pcodec_name,
2374
                      int codec_type, const char *arg)
2375
{
2376
    av_freep(pcodec_name);
2377
    if (!strcmp(arg, "copy")) {
2378
        *pstream_copy = 1;
2379
    } else {
2380
        *pcodec_name = av_strdup(arg);
2381
    }
2382
}
2383

    
2384
static void opt_audio_codec(const char *arg)
2385
{
2386
    opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2387
}
2388

    
2389
static void opt_audio_tag(const char *arg)
2390
{
2391
    char *tail;
2392
    audio_codec_tag= strtol(arg, &tail, 0);
2393

    
2394
    if(!tail || *tail)
2395
        audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2396
}
2397

    
2398
static void opt_video_tag(const char *arg)
2399
{
2400
    char *tail;
2401
    video_codec_tag= strtol(arg, &tail, 0);
2402

    
2403
    if(!tail || *tail)
2404
        video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2405
}
2406

    
2407
#ifdef CONFIG_VHOOK
2408
static void add_frame_hooker(const char *arg)
2409
{
2410
    int argc = 0;
2411
    char *argv[64];
2412
    int i;
2413
    char *args = av_strdup(arg);
2414

    
2415
    using_vhook = 1;
2416

    
2417
    argv[0] = strtok(args, " ");
2418
    while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2419
    }
2420

    
2421
    i = frame_hook_add(argc, argv);
2422

    
2423
    if (i != 0) {
2424
        fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2425
        exit(1);
2426
    }
2427
}
2428
#endif
2429

    
2430
static void opt_video_codec(const char *arg)
2431
{
2432
    opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2433
}
2434

    
2435
static void opt_subtitle_codec(const char *arg)
2436
{
2437
    opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2438
}
2439

    
2440
static void opt_map(const char *arg)
2441
{
2442
    AVStreamMap *m;
2443
    const char *p;
2444

    
2445
    p = arg;
2446
    m = &stream_maps[nb_stream_maps++];
2447

    
2448
    m->file_index = strtol(arg, (char **)&p, 0);
2449
    if (*p)
2450
        p++;
2451

    
2452
    m->stream_index = strtol(p, (char **)&p, 0);
2453
    if (*p) {
2454
        p++;
2455
        m->sync_file_index = strtol(p, (char **)&p, 0);
2456
        if (*p)
2457
            p++;
2458
        m->sync_stream_index = strtol(p, (char **)&p, 0);
2459
    } else {
2460
        m->sync_file_index = m->file_index;
2461
        m->sync_stream_index = m->stream_index;
2462
    }
2463
}
2464

    
2465
static void opt_map_meta_data(const char *arg)
2466
{
2467
    AVMetaDataMap *m;
2468
    const char *p;
2469

    
2470
    p = arg;
2471
    m = &meta_data_maps[nb_meta_data_maps++];
2472

    
2473
    m->out_file = strtol(arg, (char **)&p, 0);
2474
    if (*p)
2475
        p++;
2476

    
2477
    m->in_file = strtol(p, (char **)&p, 0);
2478
}
2479

    
2480
static void opt_recording_time(const char *arg)
2481
{
2482
    recording_time = parse_date(arg, 1);
2483
}
2484

    
2485
static void opt_start_time(const char *arg)
2486
{
2487
    start_time = parse_date(arg, 1);
2488
}
2489

    
2490
static void opt_rec_timestamp(const char *arg)
2491
{
2492
    rec_timestamp = parse_date(arg, 0) / 1000000;
2493
}
2494

    
2495
static void opt_input_ts_offset(const char *arg)
2496
{
2497
    input_ts_offset = parse_date(arg, 1);
2498
}
2499

    
2500
static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2501
{
2502
    char *codec_string = encoder ? "encoder" : "decoder";
2503
    AVCodec *codec;
2504

    
2505
    if(!name)
2506
        return CODEC_ID_NONE;
2507
    codec = encoder ?
2508
        avcodec_find_encoder_by_name(name) :
2509
        avcodec_find_decoder_by_name(name);
2510
    if(!codec) {
2511
        av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2512
        exit(1);
2513
    }
2514
    if(codec->type != type) {
2515
        av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2516
        exit(1);
2517
    }
2518
    return codec->id;
2519
}
2520

    
2521
static void opt_input_file(const char *filename)
2522
{
2523
    AVFormatContext *ic;
2524
    AVFormatParameters params, *ap = &params;
2525
    int err, i, ret, rfps, rfps_base;
2526
    int64_t timestamp;
2527

    
2528
    if (!strcmp(filename, "-"))
2529
        filename = "pipe:";
2530

    
2531
    using_stdin |= !strncmp(filename, "pipe:", 5) ||
2532
                   !strcmp( filename, "/dev/stdin" );
2533

    
2534
    /* get default parameters from command line */
2535
    ic = av_alloc_format_context();
2536

    
2537
    memset(ap, 0, sizeof(*ap));
2538
    ap->prealloced_context = 1;
2539
    ap->sample_rate = audio_sample_rate;
2540
    ap->channels = audio_channels;
2541
    ap->time_base.den = frame_rate.num;
2542
    ap->time_base.num = frame_rate.den;
2543
    ap->width = frame_width + frame_padleft + frame_padright;
2544
    ap->height = frame_height + frame_padtop + frame_padbottom;
2545
    ap->pix_fmt = frame_pix_fmt;
2546
    ap->channel = video_channel;
2547
    ap->standard = video_standard;
2548
    ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2549
    ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2550
    if(pgmyuv_compatibility_hack)
2551
        ap->video_codec_id= CODEC_ID_PGMYUV;
2552

    
2553
    for(i=0; i<opt_name_count; i++){
2554
        const AVOption *opt;
2555
        double d= av_get_double(avformat_opts, opt_names[i], &opt);
2556
        if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2557
            av_set_double(ic, opt_names[i], d);
2558
    }
2559
    /* open the input file with generic libav function */
2560
    err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2561
    if (err < 0) {
2562
        print_error(filename, err);
2563
        exit(1);
2564
    }
2565

    
2566
    ic->loop_input = loop_input;
2567

    
2568
    /* If not enough info to get the stream parameters, we decode the
2569
       first frames to get it. (used in mpeg case for example) */
2570
    ret = av_find_stream_info(ic);
2571
    if (ret < 0 && verbose >= 0) {
2572
        fprintf(stderr, "%s: could not find codec parameters\n", filename);
2573
        exit(1);
2574
    }
2575

    
2576
    timestamp = start_time;
2577
    /* add the stream start time */
2578
    if (ic->start_time != AV_NOPTS_VALUE)
2579
        timestamp += ic->start_time;
2580

    
2581
    /* if seeking requested, we execute it */
2582
    if (start_time != 0) {
2583
        ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2584
        if (ret < 0) {
2585
            fprintf(stderr, "%s: could not seek to position %0.3f\n",
2586
                    filename, (double)timestamp / AV_TIME_BASE);
2587
        }
2588
        /* reset seek info */
2589
        start_time = 0;
2590
    }
2591

    
2592
    /* update the current parameters so that they match the one of the input stream */
2593
    for(i=0;i<ic->nb_streams;i++) {
2594
        int j;
2595
        AVCodecContext *enc = ic->streams[i]->codec;
2596
        if(thread_count>1)
2597
            avcodec_thread_init(enc, thread_count);
2598
        enc->thread_count= thread_count;
2599
        switch(enc->codec_type) {
2600
        case CODEC_TYPE_AUDIO:
2601
            for(j=0; j<opt_name_count; j++){
2602
                const AVOption *opt;
2603
                double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2604
                if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2605
                    av_set_double(enc, opt_names[j], d);
2606
            }
2607
            //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2608
            audio_channels = enc->channels;
2609
            audio_sample_rate = enc->sample_rate;
2610
            if(audio_disable)
2611
                ic->streams[i]->discard= AVDISCARD_ALL;
2612
            break;
2613
        case CODEC_TYPE_VIDEO:
2614
            for(j=0; j<opt_name_count; j++){
2615
                const AVOption *opt;
2616
                double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2617
                if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2618
                    av_set_double(enc, opt_names[j], d);
2619
            }
2620
            frame_height = enc->height;
2621
            frame_width = enc->width;
2622
            frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2623
            frame_pix_fmt = enc->pix_fmt;
2624
            rfps      = ic->streams[i]->r_frame_rate.num;
2625
            rfps_base = ic->streams[i]->r_frame_rate.den;
2626
            if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2627
            if(me_threshold)
2628
                enc->debug |= FF_DEBUG_MV;
2629

    
2630
            if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2631

    
2632
                if (verbose >= 0)
2633
                    fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2634
                            i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2635

    
2636
                    (float)rfps / rfps_base, rfps, rfps_base);
2637
            }
2638
            /* update the current frame rate to match the stream frame rate */
2639
            frame_rate.num = rfps;
2640
            frame_rate.den = rfps_base;
2641

    
2642
            enc->rate_emu = rate_emu;
2643
            if(video_disable)
2644
                ic->streams[i]->discard= AVDISCARD_ALL;
2645
            else if(video_discard)
2646
                ic->streams[i]->discard= video_discard;
2647
            break;
2648
        case CODEC_TYPE_DATA:
2649
            break;
2650
        case CODEC_TYPE_SUBTITLE:
2651
            if(subtitle_disable)
2652
                ic->streams[i]->discard = AVDISCARD_ALL;
2653
            break;
2654
        case CODEC_TYPE_UNKNOWN:
2655
            break;
2656
        default:
2657
            abort();
2658
        }
2659
    }
2660

    
2661
    input_files[nb_input_files] = ic;
2662
    input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2663
    /* dump the file content */
2664
    if (verbose >= 0)
2665
        dump_format(ic, nb_input_files, filename, 0);
2666

    
2667
    nb_input_files++;
2668
    file_iformat = NULL;
2669
    file_oformat = NULL;
2670

    
2671
    video_channel = 0;
2672

    
2673
    rate_emu = 0;
2674
}
2675

    
2676
static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2677
                                         int *has_subtitle_ptr)
2678
{
2679
    int has_video, has_audio, has_subtitle, i, j;
2680
    AVFormatContext *ic;
2681

    
2682
    has_video = 0;
2683
    has_audio = 0;
2684
    has_subtitle = 0;
2685
    for(j=0;j<nb_input_files;j++) {
2686
        ic = input_files[j];
2687
        for(i=0;i<ic->nb_streams;i++) {
2688
            AVCodecContext *enc = ic->streams[i]->codec;
2689
            switch(enc->codec_type) {
2690
            case CODEC_TYPE_AUDIO:
2691
                has_audio = 1;
2692
                break;
2693
            case CODEC_TYPE_VIDEO:
2694
                has_video = 1;
2695
                break;
2696
            case CODEC_TYPE_SUBTITLE:
2697
                has_subtitle = 1;
2698
                break;
2699
            case CODEC_TYPE_DATA:
2700
            case CODEC_TYPE_UNKNOWN:
2701
                break;
2702
            default:
2703
                abort();
2704
            }
2705
        }
2706
    }
2707
    *has_video_ptr = has_video;
2708
    *has_audio_ptr = has_audio;
2709
    *has_subtitle_ptr = has_subtitle;
2710
}
2711

    
2712
static void new_video_stream(AVFormatContext *oc)
2713
{
2714
    AVStream *st;
2715
    AVCodecContext *video_enc;
2716
    int codec_id;
2717

    
2718
    st = av_new_stream(oc, oc->nb_streams);
2719
    if (!st) {
2720
        fprintf(stderr, "Could not alloc stream\n");
2721
        exit(1);
2722
    }
2723
    avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2724
    bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2725
    video_bitstream_filters= NULL;
2726

    
2727
    if(thread_count>1)
2728
        avcodec_thread_init(st->codec, thread_count);
2729

    
2730
    video_enc = st->codec;
2731

    
2732
    if(video_codec_tag)
2733
        video_enc->codec_tag= video_codec_tag;
2734

    
2735
    if(   (video_global_header&1)
2736
       || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2737
        video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2738
        avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2739
    }
2740
    if(video_global_header&2){
2741
        video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2742
        avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2743
    }
2744

    
2745
    if (video_stream_copy) {
2746
        st->stream_copy = 1;
2747
        video_enc->codec_type = CODEC_TYPE_VIDEO;
2748
    } else {
2749
        char *p;
2750
        int i;
2751
        AVCodec *codec;
2752

    
2753
        codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2754
        if (video_codec_name)
2755
            codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2756

    
2757
        video_enc->codec_id = codec_id;
2758
        codec = avcodec_find_encoder(codec_id);
2759

    
2760
        for(i=0; i<opt_name_count; i++){
2761
             const AVOption *opt;
2762
             double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2763
             if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2764
                 av_set_double(video_enc, opt_names[i], d);
2765
        }
2766

    
2767
        video_enc->time_base.den = frame_rate.num;
2768
        video_enc->time_base.num = frame_rate.den;
2769
        if(codec && codec->supported_framerates){
2770
            const AVRational *p= codec->supported_framerates;
2771
            AVRational req= (AVRational){frame_rate.num, frame_rate.den};
2772
            const AVRational *best=NULL;
2773
            AVRational best_error= (AVRational){INT_MAX, 1};
2774
            for(; p->den!=0; p++){
2775
                AVRational error= av_sub_q(req, *p);
2776
                if(error.num <0) error.num *= -1;
2777
                if(av_cmp_q(error, best_error) < 0){
2778
                    best_error= error;
2779
                    best= p;
2780
                }
2781
            }
2782
            video_enc->time_base.den= best->num;
2783
            video_enc->time_base.num= best->den;
2784
        }
2785

    
2786
        video_enc->width = frame_width + frame_padright + frame_padleft;
2787
        video_enc->height = frame_height + frame_padtop + frame_padbottom;
2788
        video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2789
        video_enc->pix_fmt = frame_pix_fmt;
2790

    
2791
        if(codec && codec->pix_fmts){
2792
            const enum PixelFormat *p= codec->pix_fmts;
2793
            for(; *p!=-1; p++){
2794
                if(*p == video_enc->pix_fmt)
2795
                    break;
2796
            }
2797
            if(*p == -1)
2798
                video_enc->pix_fmt = codec->pix_fmts[0];
2799
        }
2800

    
2801
        if (intra_only)
2802
            video_enc->gop_size = 0;
2803
        if (video_qscale || same_quality) {
2804
            video_enc->flags |= CODEC_FLAG_QSCALE;
2805
            video_enc->global_quality=
2806
                st->quality = FF_QP2LAMBDA * video_qscale;
2807
        }
2808

    
2809
        if(intra_matrix)
2810
            video_enc->intra_matrix = intra_matrix;
2811
        if(inter_matrix)
2812
            video_enc->inter_matrix = inter_matrix;
2813

    
2814
        video_enc->max_qdiff = video_qdiff;
2815
        video_enc->rc_eq = video_rc_eq;
2816
        video_enc->thread_count = thread_count;
2817
        p= video_rc_override_string;
2818
        for(i=0; p; i++){
2819
            int start, end, q;
2820
            int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2821
            if(e!=3){
2822
                fprintf(stderr, "error parsing rc_override\n");
2823
                exit(1);
2824
            }
2825
            video_enc->rc_override=
2826
                av_realloc(video_enc->rc_override,
2827
                           sizeof(RcOverride)*(i+1));
2828
            video_enc->rc_override[i].start_frame= start;
2829
            video_enc->rc_override[i].end_frame  = end;
2830
            if(q>0){
2831
                video_enc->rc_override[i].qscale= q;
2832
                video_enc->rc_override[i].quality_factor= 1.0;
2833
            }
2834
            else{
2835
                video_enc->rc_override[i].qscale= 0;
2836
                video_enc->rc_override[i].quality_factor= -q/100.0;
2837
            }
2838
            p= strchr(p, '/');
2839
            if(p) p++;
2840
        }
2841
        video_enc->rc_override_count=i;
2842
        if (!video_enc->rc_initial_buffer_occupancy)
2843
            video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2844
        video_enc->me_threshold= me_threshold;
2845
        video_enc->intra_dc_precision= intra_dc_precision - 8;
2846
        video_enc->strict_std_compliance = strict;
2847

    
2848
        if (do_psnr)
2849
            video_enc->flags|= CODEC_FLAG_PSNR;
2850

    
2851
        /* two pass mode */
2852
        if (do_pass) {
2853
            if (do_pass == 1) {
2854
                video_enc->flags |= CODEC_FLAG_PASS1;
2855
            } else {
2856
                video_enc->flags |= CODEC_FLAG_PASS2;
2857
            }
2858
        }
2859
    }
2860

    
2861
    /* reset some key parameters */
2862
    video_disable = 0;
2863
    av_freep(&video_codec_name);
2864
    video_stream_copy = 0;
2865
}
2866

    
2867
static void new_audio_stream(AVFormatContext *oc)
2868
{
2869
    AVStream *st;
2870
    AVCodecContext *audio_enc;
2871
    int codec_id, i;
2872

    
2873
    st = av_new_stream(oc, oc->nb_streams);
2874
    if (!st) {
2875
        fprintf(stderr, "Could not alloc stream\n");
2876
        exit(1);
2877
    }
2878
    avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
2879

    
2880
    bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2881
    audio_bitstream_filters= NULL;
2882

    
2883
    if(thread_count>1)
2884
        avcodec_thread_init(st->codec, thread_count);
2885

    
2886
    audio_enc = st->codec;
2887
    audio_enc->codec_type = CODEC_TYPE_AUDIO;
2888
    audio_enc->strict_std_compliance = strict;
2889

    
2890
    if(audio_codec_tag)
2891
        audio_enc->codec_tag= audio_codec_tag;
2892

    
2893
    if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2894
        audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2895
        avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2896
    }
2897
    if (audio_stream_copy) {
2898
        st->stream_copy = 1;
2899
        audio_enc->channels = audio_channels;
2900
    } else {
2901
        codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2902

    
2903
        for(i=0; i<opt_name_count; i++){
2904
            const AVOption *opt;
2905
            double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2906
            if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2907
                av_set_double(audio_enc, opt_names[i], d);
2908
        }
2909

    
2910
        if (audio_codec_name)
2911
            codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
2912
        audio_enc->codec_id = codec_id;
2913

    
2914
        if (audio_qscale > QSCALE_NONE) {
2915
            audio_enc->flags |= CODEC_FLAG_QSCALE;
2916
            audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2917
        }
2918
        audio_enc->thread_count = thread_count;
2919
        audio_enc->channels = audio_channels;
2920
    }
2921
    audio_enc->sample_rate = audio_sample_rate;
2922
    audio_enc->time_base= (AVRational){1, audio_sample_rate};
2923
    if (audio_language) {
2924
        av_strlcpy(st->language, audio_language, sizeof(st->language));
2925
        av_free(audio_language);
2926
        audio_language = NULL;
2927
    }
2928

    
2929
    /* reset some key parameters */
2930
    audio_disable = 0;
2931
    av_freep(&audio_codec_name);
2932
    audio_stream_copy = 0;
2933
}
2934

    
2935
static void new_subtitle_stream(AVFormatContext *oc)
2936
{
2937
    AVStream *st;
2938
    AVCodecContext *subtitle_enc;
2939
    int i;
2940

    
2941
    st = av_new_stream(oc, oc->nb_streams);
2942
    if (!st) {
2943
        fprintf(stderr, "Could not alloc stream\n");
2944
        exit(1);
2945
    }
2946
    avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
2947

    
2948
    subtitle_enc = st->codec;
2949
    subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2950
    if (subtitle_stream_copy) {
2951
        st->stream_copy = 1;
2952
    } else {
2953
        for(i=0; i<opt_name_count; i++){
2954
             const AVOption *opt;
2955
             double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2956
             if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2957
                 av_set_double(subtitle_enc, opt_names[i], d);
2958
        }
2959
        subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
2960
    }
2961

    
2962
    if (subtitle_language) {
2963
        av_strlcpy(st->language, subtitle_language, sizeof(st->language));
2964
        av_free(subtitle_language);
2965
        subtitle_language = NULL;
2966
    }
2967

    
2968
    subtitle_disable = 0;
2969
    av_freep(&subtitle_codec_name);
2970
    subtitle_stream_copy = 0;
2971
}
2972

    
2973
static void opt_new_audio_stream(void)
2974
{
2975
    AVFormatContext *oc;
2976
    if (nb_output_files <= 0) {
2977
        fprintf(stderr, "At least one output file must be specified\n");
2978
        exit(1);
2979
    }
2980
    oc = output_files[nb_output_files - 1];
2981
    new_audio_stream(oc);
2982
}
2983

    
2984
static void opt_new_video_stream(void)
2985
{
2986
    AVFormatContext *oc;
2987
    if (nb_output_files <= 0) {
2988
        fprintf(stderr, "At least one output file must be specified\n");
2989
        exit(1);
2990
    }
2991
    oc = output_files[nb_output_files - 1];
2992
    new_video_stream(oc);
2993
}
2994

    
2995
static void opt_new_subtitle_stream(void)
2996
{
2997
    AVFormatContext *oc;
2998
    if (nb_output_files <= 0) {
2999
        fprintf(stderr, "At least one output file must be specified\n");
3000
        exit(1);
3001
    }
3002
    oc = output_files[nb_output_files - 1];
3003
    new_subtitle_stream(oc);
3004
}
3005

    
3006
static void opt_output_file(const char *filename)
3007
{
3008
    AVFormatContext *oc;
3009
    int use_video, use_audio, use_subtitle;
3010
    int input_has_video, input_has_audio, input_has_subtitle, i;
3011
    AVFormatParameters params, *ap = &params;
3012

    
3013
    if (!strcmp(filename, "-"))
3014
        filename = "pipe:";
3015

    
3016
    oc = av_alloc_format_context();
3017

    
3018
    if (!file_oformat) {
3019
        file_oformat = guess_format(NULL, filename, NULL);
3020
        if (!file_oformat) {
3021
            fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3022
                    filename);
3023
            exit(1);
3024
        }
3025
    }
3026

    
3027
    oc->oformat = file_oformat;
3028
    av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3029

    
3030
    if (!strcmp(file_oformat->name, "ffm") &&
3031
        av_strstart(filename, "http:", NULL)) {
3032
        /* special case for files sent to ffserver: we get the stream
3033
           parameters from ffserver */
3034
        if (read_ffserver_streams(oc, filename) < 0) {
3035
            fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3036
            exit(1);
3037
        }
3038
    } else {
3039
        use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3040
        use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3041
        use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3042

    
3043
        /* disable if no corresponding type found and at least one
3044
           input file */
3045
        if (nb_input_files > 0) {
3046
            check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3047
                                         &input_has_subtitle);
3048
            if (!input_has_video)
3049
                use_video = 0;
3050
            if (!input_has_audio)
3051
                use_audio = 0;
3052
            if (!input_has_subtitle)
3053
                use_subtitle = 0;
3054
        }
3055

    
3056
        /* manual disable */
3057
        if (audio_disable) {
3058
            use_audio = 0;
3059
        }
3060
        if (video_disable) {
3061
            use_video = 0;
3062
        }
3063
        if (subtitle_disable) {
3064
            use_subtitle = 0;
3065
        }
3066

    
3067
        if (use_video) {
3068
            new_video_stream(oc);
3069
        }
3070

    
3071
        if (use_audio) {
3072
            new_audio_stream(oc);
3073
        }
3074

    
3075
        if (use_subtitle) {
3076
            new_subtitle_stream(oc);
3077
        }
3078

    
3079
        oc->timestamp = rec_timestamp;
3080

    
3081
        if (str_title)
3082
            av_strlcpy(oc->title, str_title, sizeof(oc->title));
3083
        if (str_author)
3084
            av_strlcpy(oc->author, str_author, sizeof(oc->author));
3085
        if (str_copyright)
3086
            av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3087
        if (str_comment)
3088
            av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3089
        if (str_album)
3090
            av_strlcpy(oc->album, str_album, sizeof(oc->album));
3091
    }
3092

    
3093
    output_files[nb_output_files++] = oc;
3094

    
3095
    /* check filename in case of an image number is expected */
3096
    if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3097
        if (!av_filename_number_test(oc->filename)) {
3098
            print_error(oc->filename, AVERROR_NUMEXPECTED);
3099
            exit(1);
3100
        }
3101
    }
3102

    
3103
    if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3104
        /* test if it already exists to avoid loosing precious files */
3105
        if (!file_overwrite &&
3106
            (strchr(filename, ':') == NULL ||
3107
             av_strstart(filename, "file:", NULL))) {
3108
            if (url_exist(filename)) {
3109
                int c;
3110

    
3111
                if ( !using_stdin ) {
3112
                    fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3113
                    fflush(stderr);
3114
                    c = getchar();
3115
                    if (toupper(c) != 'Y') {
3116
                        fprintf(stderr, "Not overwriting - exiting\n");
3117
                        exit(1);
3118
                    }
3119
                                }
3120
                                else {
3121
                    fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3122
                    exit(1);
3123
                                }
3124
            }
3125
        }
3126

    
3127
        /* open the file */
3128
        if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3129
            fprintf(stderr, "Could not open '%s'\n", filename);
3130
            exit(1);
3131
        }
3132
    }
3133

    
3134
    memset(ap, 0, sizeof(*ap));
3135
    if (av_set_parameters(oc, ap) < 0) {
3136
        fprintf(stderr, "%s: Invalid encoding parameters\n",
3137
                oc->filename);
3138
        exit(1);
3139
    }
3140

    
3141
    oc->preload= (int)(mux_preload*AV_TIME_BASE);
3142
    oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3143
    oc->loop_output = loop_output;
3144

    
3145
    for(i=0; i<opt_name_count; i++){
3146
        const AVOption *opt;
3147
        double d = av_get_double(avformat_opts, opt_names[i], &opt);
3148
        if(d==d && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3149
            av_set_double(oc, opt_names[i], d);
3150
    }
3151

    
3152
    /* reset some options */
3153
    file_oformat = NULL;
3154
    file_iformat = NULL;
3155
}
3156

    
3157
/* same option as mencoder */
3158
static void opt_pass(const char *pass_str)
3159
{
3160
    int pass;
3161
    pass = atoi(pass_str);
3162
    if (pass != 1 && pass != 2) {
3163
        fprintf(stderr, "pass number can be only 1 or 2\n");
3164
        exit(1);
3165
    }
3166
    do_pass = pass;
3167
}
3168

    
3169
static int64_t getutime(void)
3170
{
3171
#ifdef HAVE_GETRUSAGE
3172
    struct rusage rusage;
3173

    
3174
    getrusage(RUSAGE_SELF, &rusage);
3175
    return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3176
#elif defined(HAVE_GETPROCESSTIMES)
3177
    HANDLE proc;
3178
    FILETIME c, e, k, u;
3179
    proc = GetCurrentProcess();
3180
    GetProcessTimes(proc, &c, &e, &k, &u);
3181
    return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3182
#else
3183
    return av_gettime();
3184
#endif
3185
}
3186

    
3187
#if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3188
extern int ffm_nopts;
3189
#endif
3190

    
3191
static void opt_show_formats(void)
3192
{
3193
    AVInputFormat *ifmt;
3194
    AVOutputFormat *ofmt;
3195
    URLProtocol *up;
3196
    AVCodec *p, *p2;
3197
    const char *last_name;
3198

    
3199
    printf("File formats:\n");
3200
    last_name= "000";
3201
    for(;;){
3202
        int decode=0;
3203
        int encode=0;
3204
        const char *name=NULL;
3205
        const char *long_name=NULL;
3206

    
3207
        for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3208
            if((name == NULL || strcmp(ofmt->name, name)<0) &&
3209
                strcmp(ofmt->name, last_name)>0){
3210
                name= ofmt->name;
3211
                long_name= ofmt->long_name;
3212
                encode=1;
3213
            }
3214
        }
3215
        for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3216
            if((name == NULL || strcmp(ifmt->name, name)<0) &&
3217
                strcmp(ifmt->name, last_name)>0){
3218
                name= ifmt->name;
3219
                long_name= ifmt->long_name;
3220
                encode=0;
3221
            }
3222
            if(name && strcmp(ifmt->name, name)==0)
3223
                decode=1;
3224
        }
3225
        if(name==NULL)
3226
            break;
3227
        last_name= name;
3228

    
3229
        printf(
3230
            " %s%s %-15s %s\n",
3231
            decode ? "D":" ",
3232
            encode ? "E":" ",
3233
            name,
3234
            long_name ? long_name:" ");
3235
    }
3236
    printf("\n");
3237

    
3238
    printf("Codecs:\n");
3239
    last_name= "000";
3240
    for(;;){
3241
        int decode=0;
3242
        int encode=0;
3243
        int cap=0;
3244
        const char *type_str;
3245

    
3246
        p2=NULL;
3247
        for(p = first_avcodec; p != NULL; p = p->next) {
3248
            if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3249
                strcmp(p->name, last_name)>0){
3250
                p2= p;
3251
                decode= encode= cap=0;
3252
            }
3253
            if(p2 && strcmp(p->name, p2->name)==0){
3254
                if(p->decode) decode=1;
3255
                if(p->encode) encode=1;
3256
                cap |= p->capabilities;
3257
            }
3258
        }
3259
        if(p2==NULL)
3260
            break;
3261
        last_name= p2->name;
3262

    
3263
        switch(p2->type) {
3264
        case CODEC_TYPE_VIDEO:
3265
            type_str = "V";
3266
            break;
3267
        case CODEC_TYPE_AUDIO:
3268
            type_str = "A";
3269
            break;
3270
        case CODEC_TYPE_SUBTITLE:
3271
            type_str = "S";
3272
            break;
3273
        default:
3274
            type_str = "?";
3275
            break;
3276
        }
3277
        printf(
3278
            " %s%s%s%s%s%s %s",
3279
            decode ? "D": (/*p2->decoder ? "d":*/" "),
3280
            encode ? "E":" ",
3281
            type_str,
3282
            cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3283
            cap & CODEC_CAP_DR1 ? "D":" ",
3284
            cap & CODEC_CAP_TRUNCATED ? "T":" ",
3285
            p2->name);
3286
       /* if(p2->decoder && decode==0)
3287
            printf(" use %s for decoding", p2->decoder->name);*/
3288
        printf("\n");
3289
    }
3290
    printf("\n");
3291

    
3292
    printf("Supported file protocols:\n");
3293
    for(up = first_protocol; up != NULL; up = up->next)
3294
        printf(" %s:", up->name);
3295
    printf("\n");
3296

    
3297
    printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3298
    printf("\n");
3299
    printf(
3300
"Note, the names of encoders and decoders do not always match, so there are\n"
3301
"several cases where the above table shows encoder only or decoder only entries\n"
3302
"even though both encoding and decoding are supported. For example, the h263\n"
3303
"decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
3304
"worse.\n");
3305
    exit(0);
3306
}
3307

    
3308
static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3309
{
3310
    int i;
3311
    const char *p = str;
3312
    for(i = 0;; i++) {
3313
        dest[i] = atoi(p);
3314
        if(i == 63)
3315
            break;
3316
        p = strchr(p, ',');
3317
        if(!p) {
3318
            fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3319
            exit(1);
3320
        }
3321
        p++;
3322
    }
3323
}
3324

    
3325
static void opt_inter_matrix(const char *arg)
3326
{
3327
    inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3328
    parse_matrix_coeffs(inter_matrix, arg);
3329
}
3330

    
3331
static void opt_intra_matrix(const char *arg)
3332
{
3333
    intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3334
    parse_matrix_coeffs(intra_matrix, arg);
3335
}
3336

    
3337
static void opt_show_help(void)
3338
{
3339
    show_help();
3340
    exit(0);
3341
}
3342

    
3343
static void opt_target(const char *arg)
3344
{
3345
    int norm = -1;
3346
    static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3347

    
3348
    if(!strncmp(arg, "pal-", 4)) {
3349
        norm = 0;
3350
        arg += 4;
3351
    } else if(!strncmp(arg, "ntsc-", 5)) {
3352
        norm = 1;
3353
        arg += 5;
3354
    } else if(!strncmp(arg, "film-", 5)) {
3355
        norm = 2;
3356
        arg += 5;
3357
    } else {
3358
        int fr;
3359
        /* Calculate FR via float to avoid int overflow */
3360
        fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3361
        if(fr == 25000) {
3362
            norm = 0;
3363
        } else if((fr == 29970) || (fr == 23976)) {
3364
            norm = 1;
3365
        } else {
3366
            /* Try to determine PAL/NTSC by peeking in the input files */
3367
            if(nb_input_files) {
3368
                int i, j;
3369
                for(j = 0; j < nb_input_files; j++) {
3370
                    for(i = 0; i < input_files[j]->nb_streams; i++) {
3371
                        AVCodecContext *c = input_files[j]->streams[i]->codec;
3372
                        if(c->codec_type != CODEC_TYPE_VIDEO)
3373
                            continue;
3374
                        fr = c->time_base.den * 1000 / c->time_base.num;
3375
                        if(fr == 25000) {
3376
                            norm = 0;
3377
                            break;
3378
                        } else if((fr == 29970) || (fr == 23976)) {
3379
                            norm = 1;
3380
                            break;
3381
                        }
3382
                    }
3383
                    if(norm >= 0)
3384
                        break;
3385
                }
3386
            }
3387
        }
3388
        if(verbose && norm >= 0)
3389
            fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3390
    }
3391

    
3392
    if(norm < 0) {
3393
        fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3394
        fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3395
        fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3396
        exit(1);
3397
    }
3398

    
3399
    if(!strcmp(arg, "vcd")) {
3400

    
3401
        opt_video_codec("mpeg1video");
3402
        opt_audio_codec("mp2");
3403
        opt_format("vcd");
3404

    
3405
        opt_frame_size(norm ? "352x240" : "352x288");
3406
        opt_frame_rate(frame_rates[norm]);
3407
        opt_default("gop", norm ? "18" : "15");
3408

    
3409
        opt_default("b", "1150000");
3410
        opt_default("maxrate", "1150000");
3411
        opt_default("minrate", "1150000");
3412
        opt_default("bufsize", "327680"); // 40*1024*8;
3413

    
3414
        opt_default("ab", "224000");
3415
        audio_sample_rate = 44100;
3416
        audio_channels = 2;
3417

    
3418
        opt_default("packetsize", "2324");
3419
        opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3420

    
3421
        /* We have to offset the PTS, so that it is consistent with the SCR.
3422
           SCR starts at 36000, but the first two packs contain only padding
3423
           and the first pack from the other stream, respectively, may also have
3424
           been written before.
3425
           So the real data starts at SCR 36000+3*1200. */
3426
        mux_preload= (36000+3*1200) / 90000.0; //0.44
3427
    } else if(!strcmp(arg, "svcd")) {
3428

    
3429
        opt_video_codec("mpeg2video");
3430
        opt_audio_codec("mp2");
3431
        opt_format("svcd");
3432

    
3433
        opt_frame_size(norm ? "480x480" : "480x576");
3434
        opt_frame_rate(frame_rates[norm]);
3435
        opt_default("gop", norm ? "18" : "15");
3436

    
3437
        opt_default("b", "2040000");
3438
        opt_default("maxrate", "2516000");
3439
        opt_default("minrate", "0"); //1145000;
3440
        opt_default("bufsize", "1835008"); //224*1024*8;
3441
        opt_default("flags", "+SCAN_OFFSET");
3442

    
3443

    
3444
        opt_default("ab", "224000");
3445
        audio_sample_rate = 44100;
3446

    
3447
        opt_default("packetsize", "2324");
3448

    
3449
    } else if(!strcmp(arg, "dvd")) {
3450

    
3451
        opt_video_codec("mpeg2video");
3452
        opt_audio_codec("ac3");
3453
        opt_format("dvd");
3454

    
3455
        opt_frame_size(norm ? "720x480" : "720x576");
3456
        opt_frame_rate(frame_rates[norm]);
3457
        opt_default("gop", norm ? "18" : "15");
3458

    
3459
        opt_default("b", "6000000");
3460
        opt_default("maxrate", "9000000");
3461
        opt_default("minrate", "0"); //1500000;
3462
        opt_default("bufsize", "1835008"); //224*1024*8;
3463

    
3464
        opt_default("packetsize", "2048");  // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3465
        opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3466

    
3467
        opt_default("ab", "448000");
3468
        audio_sample_rate = 48000;
3469

    
3470
    } else if(!strncmp(arg, "dv", 2)) {
3471

    
3472
        opt_format("dv");
3473

    
3474
        opt_frame_size(norm ? "720x480" : "720x576");
3475
        opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3476
                                             (norm ? "yuv411p" : "yuv420p"));
3477
        opt_frame_rate(frame_rates[norm]);
3478

    
3479
        audio_sample_rate = 48000;
3480
        audio_channels = 2;
3481

    
3482
    } else {
3483
        fprintf(stderr, "Unknown target: %s\n", arg);
3484
        exit(1);
3485
    }
3486
}
3487

    
3488
static void opt_vstats_file (const char *arg)
3489
{
3490
    av_free (vstats_filename);
3491
    vstats_filename=av_strdup (arg);
3492
}
3493

    
3494
static void opt_vstats (void)
3495
{
3496
    char filename[40];
3497
    time_t today2 = time(NULL);
3498
    struct tm *today = localtime(&today2);
3499

    
3500
    snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3501
             today->tm_sec);
3502
    opt_vstats_file(filename);
3503
}
3504

    
3505
static void opt_video_bsf(const char *arg)
3506
{
3507
    AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3508
    AVBitStreamFilterContext **bsfp;
3509

    
3510
    if(!bsfc){
3511
        fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3512
        exit(1);
3513
    }
3514

    
3515
    bsfp= &video_bitstream_filters;
3516
    while(*bsfp)
3517
        bsfp= &(*bsfp)->next;
3518

    
3519
    *bsfp= bsfc;
3520
}
3521

    
3522
//FIXME avoid audio - video code duplication
3523
static void opt_audio_bsf(const char *arg)
3524
{
3525
    AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3526
    AVBitStreamFilterContext **bsfp;
3527

    
3528
    if(!bsfc){
3529
        fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3530
        exit(1);
3531
    }
3532

    
3533
    bsfp= &audio_bitstream_filters;
3534
    while(*bsfp)
3535
        bsfp= &(*bsfp)->next;
3536

    
3537
    *bsfp= bsfc;
3538
}
3539

    
3540
static void opt_show_version(void)
3541
{
3542
    /* TODO: add function interface to avutil and avformat */
3543
    fprintf(stderr, "ffmpeg      " FFMPEG_VERSION "\n"
3544
           "libavutil   %d\n"
3545
           "libavcodec  %d\n"
3546
           "libavformat %d\n",
3547
           LIBAVUTIL_BUILD, avcodec_build(), LIBAVFORMAT_BUILD);
3548
    exit(0);
3549
}
3550

    
3551
static int opt_default(const char *opt, const char *arg){
3552
    int type;
3553
    const AVOption *o= NULL;
3554
    int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
3555

    
3556
    for(type=0; type<CODEC_TYPE_NB; type++){
3557
        const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
3558
        if(o2)
3559
            o = av_set_string(avctx_opts[type], opt, arg);
3560
    }
3561
    if(!o)
3562
        o = av_set_string(avformat_opts, opt, arg);
3563
    if(!o)
3564
        o = av_set_string(sws_opts, opt, arg);
3565
    if(!o){
3566
        if(opt[0] == 'a')
3567
            o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
3568
        else if(opt[0] == 'v')
3569
            o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
3570
        else if(opt[0] == 's')
3571
            o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
3572
    }
3573
    if(!o)
3574
        return -1;
3575

    
3576
//    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));
3577

    
3578
    //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
3579
    opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
3580
    opt_names[opt_name_count++]= o->name;
3581

    
3582
#if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3583
    /* disable generate of real time pts in ffm (need to be supressed anyway) */
3584
    if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
3585
        ffm_nopts = 1;
3586
#endif
3587

    
3588
    if(avctx_opts[0]->debug)
3589
        av_log_level = AV_LOG_DEBUG;
3590
    return 0;
3591
}
3592

    
3593
const OptionDef options[] = {
3594
    /* main options */
3595
    { "L", 0, {(void*)opt_show_license}, "show license" },
3596
    { "h", 0, {(void*)opt_show_help}, "show help" },
3597
    { "version", 0, {(void*)opt_show_version}, "show version" },
3598
    { "formats", 0, {(void*)opt_show_formats}, "show available formats, codecs, protocols, ..." },
3599
    { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3600
    { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3601
    { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3602
    { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3603
    { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3604
    { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
3605
    { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3606
    { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3607
    { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3608
    { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3609
    { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3610
    { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3611
    { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3612
    { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3613
    { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3614
    { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3615
      "add timings for benchmarking" },
3616
    { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3617
      "dump each input packet" },
3618
    { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3619
      "when dumping packets, also dump the payload" },
3620
    { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3621
    { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3622
    { "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)", "" },
3623
    { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3624
    { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3625
    { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3626
    { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3627
    { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3628
    { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "" },
3629
    { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3630
    { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)&copy_ts}, "copy timestamps" },
3631
    { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3632
    { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3633

    
3634
    /* video options */
3635
    { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3636
    { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3637
    { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3638
    { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3639
    { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3640
    { "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" },
3641
    { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3642
    { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3643
    { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3644
    { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3645
    { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3646
    { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3647
    { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3648
    { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3649
    { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3650
    { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3651
    { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3652
    { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3653
    { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3654
    { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3655
    { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
3656
    { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3657
    { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3658
    { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold",  "" },
3659
    { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3660
    { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3661
      "use same video quality as source (implies VBR)" },
3662
    { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3663
    { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3664
    { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3665
      "deinterlace pictures" },
3666
    { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3667
    { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3668
    { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3669
#ifdef CONFIG_VHOOK
3670
    { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3671
#endif
3672
    { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3673
    { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3674
    { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3675
    { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3676
    { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3677
    { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3678
    { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3679

    
3680
    /* audio options */
3681
    { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3682
    { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3683
    { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3684
    { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3685
    { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3686
    { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3687
    { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3688
    { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3689
    { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3690
    { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3691

    
3692
    /* subtitle options */
3693
    { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3694
    { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3695
    { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3696
    { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3697

    
3698
    /* grab options */
3699
    { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3700
    { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3701
    { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3702

    
3703
    /* muxer options */
3704
    { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3705
    { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3706

    
3707
    { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_audio_bsf}, "", "bitstream filter" },
3708
    { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_video_bsf}, "", "bitstream filter" },
3709

    
3710
    { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3711
    { NULL, },
3712
};
3713

    
3714
static void show_banner(void)
3715
{
3716
    fprintf(stderr, "FFmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2007 Fabrice Bellard, et al.\n");
3717
    fprintf(stderr, "  configuration: " FFMPEG_CONFIGURATION "\n");
3718
    fprintf(stderr, "  libavutil version: " AV_STRINGIFY(LIBAVUTIL_VERSION) "\n");
3719
    fprintf(stderr, "  libavcodec version: " AV_STRINGIFY(LIBAVCODEC_VERSION) "\n");
3720
    fprintf(stderr, "  libavformat version: " AV_STRINGIFY(LIBAVFORMAT_VERSION) "\n");
3721
    fprintf(stderr, "  built on " __DATE__ " " __TIME__);
3722
#ifdef __GNUC__
3723
    fprintf(stderr, ", gcc: " __VERSION__ "\n");
3724
#else
3725
    fprintf(stderr, ", using a non-gcc compiler\n");
3726
#endif
3727
}
3728

    
3729
static void opt_show_license(void)
3730
{
3731
#ifdef CONFIG_GPL
3732
    printf(
3733
    "FFmpeg is free software; you can redistribute it and/or modify\n"
3734
    "it under the terms of the GNU General Public License as published by\n"
3735
    "the Free Software Foundation; either version 2 of the License, or\n"
3736
    "(at your option) any later version.\n"
3737
    "\n"
3738
    "FFmpeg is distributed in the hope that it will be useful,\n"
3739
    "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3740
    "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
3741
    "GNU General Public License for more details.\n"
3742
    "\n"
3743
    "You should have received a copy of the GNU General Public License\n"
3744
    "along with FFmpeg; if not, write to the Free Software\n"
3745
    "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
3746
    );
3747
#else
3748
    printf(
3749
    "FFmpeg is free software; you can redistribute it and/or\n"
3750
    "modify it under the terms of the GNU Lesser General Public\n"
3751
    "License as published by the Free Software Foundation; either\n"
3752
    "version 2.1 of the License, or (at your option) any later version.\n"
3753
    "\n"
3754
    "FFmpeg is distributed in the hope that it will be useful,\n"
3755
    "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3756
    "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\n"
3757
    "Lesser General Public License for more details.\n"
3758
    "\n"
3759
    "You should have received a copy of the GNU Lesser General Public\n"
3760
    "License along with FFmpeg; if not, write to the Free Software\n"
3761
    "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
3762
    );
3763
#endif
3764
    exit(0);
3765
}
3766

    
3767
/**
3768
 * Trivial log callback.
3769
 * Only suitable for show_help and similar since it lacks prefix handling.
3770
 */
3771
static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3772
{
3773
    vfprintf(stdout, fmt, vl);
3774
}
3775

    
3776
static void show_help(void)
3777
{
3778
    av_log_set_callback(log_callback_help);
3779
    printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3780
           "Hyper fast Audio and Video encoder\n");
3781
    printf("\n");
3782
    show_help_options(options, "Main options:\n",
3783
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3784
    show_help_options(options, "\nVideo options:\n",
3785
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3786
                      OPT_VIDEO);
3787
    show_help_options(options, "\nAdvanced Video options:\n",
3788
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3789
                      OPT_VIDEO | OPT_EXPERT);
3790
    show_help_options(options, "\nAudio options:\n",
3791
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3792
                      OPT_AUDIO);
3793
    show_help_options(options, "\nAdvanced Audio options:\n",
3794
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3795
                      OPT_AUDIO | OPT_EXPERT);
3796
    show_help_options(options, "\nSubtitle options:\n",
3797
                      OPT_SUBTITLE | OPT_GRAB,
3798
                      OPT_SUBTITLE);
3799
    show_help_options(options, "\nAudio/Video grab options:\n",
3800
                      OPT_GRAB,
3801
                      OPT_GRAB);
3802
    show_help_options(options, "\nAdvanced options:\n",
3803
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3804
                      OPT_EXPERT);
3805
    av_opt_show(avctx_opts[0], NULL);
3806
    av_opt_show(avformat_opts, NULL);
3807
    av_opt_show(sws_opts, NULL);
3808
}
3809

    
3810
int main(int argc, char **argv)
3811
{
3812
    int i;
3813
    int64_t ti;
3814

    
3815
    av_register_all();
3816

    
3817
    for(i=0; i<CODEC_TYPE_NB; i++){
3818
        avctx_opts[i]= avcodec_alloc_context2(i);
3819
    }
3820
    avformat_opts = av_alloc_format_context();
3821
    sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3822

    
3823
    show_banner();
3824
    if (argc <= 1) {
3825
        show_help();
3826
        exit(1);
3827
    }
3828

    
3829
    /* parse options */
3830
    parse_options(argc, argv, options, opt_output_file);
3831

    
3832
    /* file converter / grab */
3833
    if (nb_output_files <= 0) {
3834
        fprintf(stderr, "Must supply at least one output file\n");
3835
        exit(1);
3836
    }
3837

    
3838
    if (nb_input_files == 0) {
3839
        fprintf(stderr, "Must supply at least one input file\n");
3840
        exit(1);
3841
    }
3842

    
3843
    ti = getutime();
3844
    av_encode(output_files, nb_output_files, input_files, nb_input_files,
3845
              stream_maps, nb_stream_maps);
3846
    ti = getutime() - ti;
3847
    if (do_benchmark) {
3848
        printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3849
    }
3850

    
3851
    /* close files */
3852
    for(i=0;i<nb_output_files;i++) {
3853
        /* maybe av_close_output_file ??? */
3854
        AVFormatContext *s = output_files[i];
3855
        int j;
3856
        if (!(s->oformat->flags & AVFMT_NOFILE))
3857
            url_fclose(&s->pb);
3858
        for(j=0;j<s->nb_streams;j++) {
3859
            av_free(s->streams[j]->codec);
3860
            av_free(s->streams[j]);
3861
        }
3862
        av_free(s);
3863
    }
3864
    for(i=0;i<nb_input_files;i++)
3865
        av_close_input_file(input_files[i]);
3866

    
3867
    av_free_static();
3868

    
3869
    av_free(intra_matrix);
3870
    av_free(inter_matrix);
3871

    
3872
    if (fvstats)
3873
        fclose(fvstats);
3874
    av_free(vstats_filename);
3875

    
3876
    av_free(opt_names);
3877

    
3878
    av_free(video_codec_name);
3879
    av_free(audio_codec_name);
3880
    av_free(subtitle_codec_name);
3881

    
3882
    av_free(video_standard);
3883

    
3884
#ifdef CONFIG_POWERPC_PERF
3885
    extern void powerpc_display_perf_report(void);
3886
    powerpc_display_perf_report();
3887
#endif /* CONFIG_POWERPC_PERF */
3888

    
3889
    if (received_sigterm) {
3890
        fprintf(stderr,
3891
            "Received signal %d: terminating.\n",
3892
            (int) received_sigterm);
3893
        exit (255);
3894
    }
3895

    
3896
    exit(0); /* not all OS-es handle main() return value */
3897
    return 0;
3898
}