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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
 *
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 * 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
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20
 */
21
#define HAVE_AV_CONFIG_H
22
#include <signal.h>
23
#include <limits.h>
24
#include "avformat.h"
25
#include "swscale.h"
26
#include "framehook.h"
27
#include "opt.h"
28
#include "fifo.h"
29

    
30
#ifdef __MINGW32__
31
#include <conio.h>
32
#else
33
#include <unistd.h>
34
#include <fcntl.h>
35
#include <sys/ioctl.h>
36
#include <sys/time.h>
37
#include <termios.h>
38
#include <sys/resource.h>
39
#endif
40
#ifdef CONFIG_OS2
41
#include <sys/types.h>
42
#include <sys/select.h>
43
#include <stdlib.h>
44
#endif
45
#undef time //needed because HAVE_AV_CONFIG_H is defined on top
46
#include <time.h>
47

    
48
#include "version.h"
49
#include "cmdutils.h"
50

    
51
#undef NDEBUG
52
#include <assert.h>
53

    
54
#if !defined(INFINITY) && defined(HUGE_VAL)
55
#define INFINITY HUGE_VAL
56
#endif
57

    
58
#undef exit
59

    
60
/* select an input stream for an output stream */
61
typedef struct AVStreamMap {
62
    int file_index;
63
    int stream_index;
64
    int sync_file_index;
65
    int sync_stream_index;
66
} AVStreamMap;
67

    
68
/** select an input file for an output file */
69
typedef struct AVMetaDataMap {
70
    int out_file;
71
    int in_file;
72
} AVMetaDataMap;
73

    
74
extern const OptionDef options[];
75

    
76
static void show_help(void);
77
static void show_license(void);
78
static int opt_default(const char *opt, const char *arg);
79

    
80
#define MAX_FILES 20
81

    
82
static AVFormatContext *input_files[MAX_FILES];
83
static int64_t input_files_ts_offset[MAX_FILES];
84
static int nb_input_files = 0;
85

    
86
static AVFormatContext *output_files[MAX_FILES];
87
static int nb_output_files = 0;
88

    
89
static AVStreamMap stream_maps[MAX_FILES];
90
static int nb_stream_maps;
91

    
92
static AVMetaDataMap meta_data_maps[MAX_FILES];
93
static int nb_meta_data_maps;
94

    
95
static AVInputFormat *file_iformat;
96
static AVOutputFormat *file_oformat;
97
static int frame_width  = 0;
98
static int frame_height = 0;
99
static float frame_aspect_ratio = 0;
100
static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
101
static int frame_padtop  = 0;
102
static int frame_padbottom = 0;
103
static int frame_padleft  = 0;
104
static int frame_padright = 0;
105
static int padcolor[3] = {16,128,128}; /* default to black */
106
static int frame_topBand  = 0;
107
static int frame_bottomBand = 0;
108
static int frame_leftBand  = 0;
109
static int frame_rightBand = 0;
110
static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
111
static int frame_rate = 25;
112
static int frame_rate_base = 1;
113
static float video_qscale = 0;
114
static int video_qdiff = 3;
115
static uint16_t *intra_matrix = NULL;
116
static uint16_t *inter_matrix = NULL;
117
#if 0 //experimental, (can be removed)
118
static float video_rc_qsquish=1.0;
119
static float video_rc_qmod_amp=0;
120
static int video_rc_qmod_freq=0;
121
#endif
122
static char *video_rc_override_string=NULL;
123
static char *video_rc_eq="tex^qComp";
124
static int me_method = ME_EPZS;
125
static int video_disable = 0;
126
static int video_discard = 0;
127
static int video_codec_id = CODEC_ID_NONE;
128
static int video_codec_tag = 0;
129
static int same_quality = 0;
130
static int do_deinterlace = 0;
131
static int strict = 0;
132
static int top_field_first = -1;
133
static int me_threshold = 0;
134
static int intra_dc_precision = 8;
135
static int loop_input = 0;
136
static int loop_output = AVFMT_NOOUTPUTLOOP;
137
static int qp_hist = 0;
138

    
139
static int intra_only = 0;
140
static int audio_sample_rate = 44100;
141
#define QSCALE_NONE -99999
142
static float audio_qscale = QSCALE_NONE;
143
static int audio_disable = 0;
144
static int audio_channels = 1;
145
static int audio_codec_id = CODEC_ID_NONE;
146
static int audio_codec_tag = 0;
147
static char *audio_language = NULL;
148

    
149
static int subtitle_codec_id = CODEC_ID_NONE;
150
static char *subtitle_language = NULL;
151

    
152
static float mux_preload= 0.5;
153
static float mux_max_delay= 0.7;
154

    
155
static int64_t recording_time = 0;
156
static int64_t start_time = 0;
157
static int64_t rec_timestamp = 0;
158
static int64_t input_ts_offset = 0;
159
static int file_overwrite = 0;
160
static char *str_title = NULL;
161
static char *str_author = NULL;
162
static char *str_copyright = NULL;
163
static char *str_comment = NULL;
164
static char *str_album = NULL;
165
static int do_benchmark = 0;
166
static int do_hex_dump = 0;
167
static int do_pkt_dump = 0;
168
static int do_psnr = 0;
169
static int do_vstats = 0;
170
static int do_pass = 0;
171
static char *pass_logfilename = NULL;
172
static int audio_stream_copy = 0;
173
static int video_stream_copy = 0;
174
static int subtitle_stream_copy = 0;
175
static int video_sync_method= 1;
176
static int audio_sync_method= 0;
177
static int copy_ts= 0;
178
static int opt_shortest = 0; //
179
static int video_global_header = 0;
180

    
181
static int rate_emu = 0;
182

    
183
static int  video_channel = 0;
184
static char *video_standard = "ntsc";
185

    
186
static int audio_volume = 256;
187

    
188
static int using_stdin = 0;
189
static int using_vhook = 0;
190
static int verbose = 1;
191
static int thread_count= 1;
192
static int q_pressed = 0;
193
static int64_t video_size = 0;
194
static int64_t audio_size = 0;
195
static int64_t extra_size = 0;
196
static int nb_frames_dup = 0;
197
static int nb_frames_drop = 0;
198
static int input_sync;
199
static int limit_filesize = 0; //
200

    
201
static int pgmyuv_compatibility_hack=0;
202
static int dts_delta_threshold = 10;
203

    
204
static int sws_flags = SWS_BICUBIC;
205

    
206
const char **opt_names=NULL;
207
int opt_name_count=0;
208
AVCodecContext *avctx_opts[CODEC_TYPE_NB];
209
AVFormatContext *avformat_opts;
210
static int64_t timer_start = 0;
211

    
212
static AVBitStreamFilterContext *video_bitstream_filters=NULL;
213
static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
214
static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
215

    
216
#define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
217

    
218
struct AVInputStream;
219

    
220
typedef struct AVOutputStream {
221
    int file_index;          /* file index */
222
    int index;               /* stream index in the output file */
223
    int source_index;        /* AVInputStream index */
224
    AVStream *st;            /* stream in the output file */
225
    int encoding_needed;     /* true if encoding needed for this stream */
226
    int frame_number;
227
    /* input pts and corresponding output pts
228
       for A/V sync */
229
    //double sync_ipts;        /* dts from the AVPacket of the demuxer in second units */
230
    struct AVInputStream *sync_ist; /* input stream to sync against */
231
    int64_t sync_opts;       /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
232
    /* video only */
233
    int video_resample;
234
    AVFrame pict_tmp;      /* temporary image for resampling */
235
    struct SwsContext *img_resample_ctx; /* for image resampling */
236
    int resample_height;
237

    
238
    int video_crop;
239
    int topBand;             /* cropping area sizes */
240
    int leftBand;
241

    
242
    int video_pad;
243
    int padtop;              /* padding area sizes */
244
    int padbottom;
245
    int padleft;
246
    int padright;
247

    
248
    /* audio only */
249
    int audio_resample;
250
    ReSampleContext *resample; /* for audio resampling */
251
    AVFifoBuffer fifo;     /* for compression: one audio fifo per codec */
252
    FILE *logfile;
253
} AVOutputStream;
254

    
255
typedef struct AVInputStream {
256
    int file_index;
257
    int index;
258
    AVStream *st;
259
    int discard;             /* true if stream data should be discarded */
260
    int decoding_needed;     /* true if the packets must be decoded in 'raw_fifo' */
261
    int64_t sample_index;      /* current sample */
262

    
263
    int64_t       start;     /* time when read started */
264
    unsigned long frame;     /* current frame */
265
    int64_t       next_pts;  /* synthetic pts for cases where pkt.pts
266
                                is not defined */
267
    int64_t       pts;       /* current pts */
268
    int is_start;            /* is 1 at the start and after a discontinuity */
269
} AVInputStream;
270

    
271
typedef struct AVInputFile {
272
    int eof_reached;      /* true if eof reached */
273
    int ist_index;        /* index of first stream in ist_table */
274
    int buffer_size;      /* current total buffer size */
275
    int nb_streams;       /* nb streams we are aware of */
276
} AVInputFile;
277

    
278
#ifndef __MINGW32__
279

    
280
/* init terminal so that we can grab keys */
281
static struct termios oldtty;
282
#endif
283

    
284
static void term_exit(void)
285
{
286
#ifndef __MINGW32__
287
    tcsetattr (0, TCSANOW, &oldtty);
288
#endif
289
}
290

    
291
static volatile sig_atomic_t received_sigterm = 0;
292

    
293
static void
294
sigterm_handler(int sig)
295
{
296
    received_sigterm = sig;
297
    term_exit();
298
}
299

    
300
static void term_init(void)
301
{
302
#ifndef __MINGW32__
303
    struct termios tty;
304

    
305
    tcgetattr (0, &tty);
306
    oldtty = tty;
307

    
308
    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
309
                          |INLCR|IGNCR|ICRNL|IXON);
310
    tty.c_oflag |= OPOST;
311
    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
312
    tty.c_cflag &= ~(CSIZE|PARENB);
313
    tty.c_cflag |= CS8;
314
    tty.c_cc[VMIN] = 1;
315
    tty.c_cc[VTIME] = 0;
316

    
317
    tcsetattr (0, TCSANOW, &tty);
318
    signal(SIGQUIT, sigterm_handler); /* Quit (POSIX).  */
319
#endif
320

    
321
    signal(SIGINT , sigterm_handler); /* Interrupt (ANSI).  */
322
    signal(SIGTERM, sigterm_handler); /* Termination (ANSI).  */
323
    /*
324
    register a function to be called at normal program termination
325
    */
326
    atexit(term_exit);
327
#ifdef CONFIG_BEOS_NETSERVER
328
    fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
329
#endif
330
}
331

    
332
/* read a key without blocking */
333
static int read_key(void)
334
{
335
#ifdef __MINGW32__
336
    if(kbhit())
337
        return(getch());
338
#else
339
    int n = 1;
340
    unsigned char ch;
341
#ifndef CONFIG_BEOS_NETSERVER
342
    struct timeval tv;
343
    fd_set rfds;
344

    
345
    FD_ZERO(&rfds);
346
    FD_SET(0, &rfds);
347
    tv.tv_sec = 0;
348
    tv.tv_usec = 0;
349
    n = select(1, &rfds, NULL, NULL, &tv);
350
#endif
351
    if (n > 0) {
352
        n = read(0, &ch, 1);
353
        if (n == 1)
354
            return ch;
355

    
356
        return n;
357
    }
358
#endif
359
    return -1;
360
}
361

    
362
static int decode_interrupt_cb(void)
363
{
364
    return q_pressed || (q_pressed = read_key() == 'q');
365
}
366

    
367
static int read_ffserver_streams(AVFormatContext *s, const char *filename)
368
{
369
    int i, err;
370
    AVFormatContext *ic;
371

    
372
    err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
373
    if (err < 0)
374
        return err;
375
    /* copy stream format */
376
    s->nb_streams = ic->nb_streams;
377
    for(i=0;i<ic->nb_streams;i++) {
378
        AVStream *st;
379

    
380
        // FIXME: a more elegant solution is needed
381
        st = av_mallocz(sizeof(AVStream));
382
        memcpy(st, ic->streams[i], sizeof(AVStream));
383
        st->codec = avcodec_alloc_context();
384
        memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
385
        s->streams[i] = st;
386
    }
387

    
388
    av_close_input_file(ic);
389
    return 0;
390
}
391

    
392
static double
393
get_sync_ipts(const AVOutputStream *ost)
394
{
395
    const AVInputStream *ist = ost->sync_ist;
396
    return (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/AV_TIME_BASE;
397
}
398

    
399
static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
400
    while(bsfc){
401
        AVPacket new_pkt= *pkt;
402
        int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
403
                                          &new_pkt.data, &new_pkt.size,
404
                                          pkt->data, pkt->size,
405
                                          pkt->flags & PKT_FLAG_KEY);
406
        if(a){
407
            av_free_packet(pkt);
408
            new_pkt.destruct= av_destruct_packet;
409
        }
410
        *pkt= new_pkt;
411

    
412
        bsfc= bsfc->next;
413
    }
414

    
415
    av_interleaved_write_frame(s, pkt);
416
}
417

    
418
#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
419

    
420
static void do_audio_out(AVFormatContext *s,
421
                         AVOutputStream *ost,
422
                         AVInputStream *ist,
423
                         unsigned char *buf, int size)
424
{
425
    uint8_t *buftmp;
426
    static uint8_t *audio_buf = NULL;
427
    static uint8_t *audio_out = NULL;
428
    const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
429

    
430
    int size_out, frame_bytes, ret;
431
    AVCodecContext *enc= ost->st->codec;
432

    
433
    /* SC: dynamic allocation of buffers */
434
    if (!audio_buf)
435
        audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
436
    if (!audio_out)
437
        audio_out = av_malloc(audio_out_size);
438
    if (!audio_buf || !audio_out)
439
        return;               /* Should signal an error ! */
440

    
441
    if(audio_sync_method){
442
        double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
443
                - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
444
        double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
445
        int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
446

    
447
        //FIXME resample delay
448
        if(fabs(delta) > 50){
449
            if(ist->is_start){
450
                if(byte_delta < 0){
451
                    byte_delta= FFMAX(byte_delta, -size);
452
                    size += byte_delta;
453
                    buf  -= byte_delta;
454
                    if(verbose > 2)
455
                        fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
456
                    if(!size)
457
                        return;
458
                    ist->is_start=0;
459
                }else{
460
                    static uint8_t *input_tmp= NULL;
461
                    input_tmp= av_realloc(input_tmp, byte_delta + size);
462

    
463
                    if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
464
                        ist->is_start=0;
465
                    else
466
                        byte_delta= MAX_AUDIO_PACKET_SIZE - size;
467

    
468
                    memset(input_tmp, 0, byte_delta);
469
                    memcpy(input_tmp + byte_delta, buf, size);
470
                    buf= input_tmp;
471
                    size += byte_delta;
472
                    if(verbose > 2)
473
                        fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
474
                }
475
            }else if(audio_sync_method>1){
476
                int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
477
                assert(ost->audio_resample);
478
                if(verbose > 2)
479
                    fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
480
//                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));
481
                av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
482
            }
483
        }
484
    }else
485
        ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
486
                        - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
487

    
488
    if (ost->audio_resample) {
489
        buftmp = audio_buf;
490
        size_out = audio_resample(ost->resample,
491
                                  (short *)buftmp, (short *)buf,
492
                                  size / (ist->st->codec->channels * 2));
493
        size_out = size_out * enc->channels * 2;
494
    } else {
495
        buftmp = buf;
496
        size_out = size;
497
    }
498

    
499
    /* now encode as many frames as possible */
500
    if (enc->frame_size > 1) {
501
        /* output resampled raw samples */
502
        av_fifo_write(&ost->fifo, buftmp, size_out);
503

    
504
        frame_bytes = enc->frame_size * 2 * enc->channels;
505

    
506
        while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
507
            AVPacket pkt;
508
            av_init_packet(&pkt);
509

    
510
            ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
511
                                       (short *)audio_buf);
512
            audio_size += ret;
513
            pkt.stream_index= ost->index;
514
            pkt.data= audio_out;
515
            pkt.size= ret;
516
            if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
517
                pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
518
            pkt.flags |= PKT_FLAG_KEY;
519
            write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
520

    
521
            ost->sync_opts += enc->frame_size;
522
        }
523
    } else {
524
        AVPacket pkt;
525
        av_init_packet(&pkt);
526

    
527
        ost->sync_opts += size_out / (2 * enc->channels);
528

    
529
        /* output a pcm frame */
530
        /* XXX: change encoding codec API to avoid this ? */
531
        switch(enc->codec->id) {
532
        case CODEC_ID_PCM_S32LE:
533
        case CODEC_ID_PCM_S32BE:
534
        case CODEC_ID_PCM_U32LE:
535
        case CODEC_ID_PCM_U32BE:
536
            size_out = size_out << 1;
537
            break;
538
        case CODEC_ID_PCM_S24LE:
539
        case CODEC_ID_PCM_S24BE:
540
        case CODEC_ID_PCM_U24LE:
541
        case CODEC_ID_PCM_U24BE:
542
        case CODEC_ID_PCM_S24DAUD:
543
            size_out = size_out / 2 * 3;
544
            break;
545
        case CODEC_ID_PCM_S16LE:
546
        case CODEC_ID_PCM_S16BE:
547
        case CODEC_ID_PCM_U16LE:
548
        case CODEC_ID_PCM_U16BE:
549
            break;
550
        default:
551
            size_out = size_out >> 1;
552
            break;
553
        }
554
        ret = avcodec_encode_audio(enc, audio_out, size_out,
555
                                   (short *)buftmp);
556
        audio_size += ret;
557
        pkt.stream_index= ost->index;
558
        pkt.data= audio_out;
559
        pkt.size= ret;
560
        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
561
            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
562
        pkt.flags |= PKT_FLAG_KEY;
563
        write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
564
    }
565
}
566

    
567
static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
568
{
569
    AVCodecContext *dec;
570
    AVPicture *picture2;
571
    AVPicture picture_tmp;
572
    uint8_t *buf = 0;
573

    
574
    dec = ist->st->codec;
575

    
576
    /* deinterlace : must be done before any resize */
577
    if (do_deinterlace || using_vhook) {
578
        int size;
579

    
580
        /* create temporary picture */
581
        size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
582
        buf = av_malloc(size);
583
        if (!buf)
584
            return;
585

    
586
        picture2 = &picture_tmp;
587
        avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
588

    
589
        if (do_deinterlace){
590
            if(avpicture_deinterlace(picture2, picture,
591
                                     dec->pix_fmt, dec->width, dec->height) < 0) {
592
                /* if error, do not deinterlace */
593
                av_free(buf);
594
                buf = NULL;
595
                picture2 = picture;
596
            }
597
        } else {
598
            av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
599
        }
600
    } else {
601
        picture2 = picture;
602
    }
603

    
604
    frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
605
                       1000000 * ist->pts / AV_TIME_BASE);
606

    
607
    if (picture != picture2)
608
        *picture = *picture2;
609
    *bufp = buf;
610
}
611

    
612
/* we begin to correct av delay at this threshold */
613
#define AV_DELAY_MAX 0.100
614

    
615
static void do_subtitle_out(AVFormatContext *s,
616
                            AVOutputStream *ost,
617
                            AVInputStream *ist,
618
                            AVSubtitle *sub,
619
                            int64_t pts)
620
{
621
    static uint8_t *subtitle_out = NULL;
622
    int subtitle_out_max_size = 65536;
623
    int subtitle_out_size, nb, i;
624
    AVCodecContext *enc;
625
    AVPacket pkt;
626

    
627
    if (pts == AV_NOPTS_VALUE) {
628
        fprintf(stderr, "Subtitle packets must have a pts\n");
629
        return;
630
    }
631

    
632
    enc = ost->st->codec;
633

    
634
    if (!subtitle_out) {
635
        subtitle_out = av_malloc(subtitle_out_max_size);
636
    }
637

    
638
    /* Note: DVB subtitle need one packet to draw them and one other
639
       packet to clear them */
640
    /* XXX: signal it in the codec context ? */
641
    if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
642
        nb = 2;
643
    else
644
        nb = 1;
645

    
646
    for(i = 0; i < nb; i++) {
647
        subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
648
                                                    subtitle_out_max_size, sub);
649

    
650
        av_init_packet(&pkt);
651
        pkt.stream_index = ost->index;
652
        pkt.data = subtitle_out;
653
        pkt.size = subtitle_out_size;
654
        pkt.pts = av_rescale_q(av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q) + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q,  ost->st->time_base);
655
        if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
656
            /* XXX: the pts correction is handled here. Maybe handling
657
               it in the codec would be better */
658
            if (i == 0)
659
                pkt.pts += 90 * sub->start_display_time;
660
            else
661
                pkt.pts += 90 * sub->end_display_time;
662
        }
663
        write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
664
    }
665
}
666

    
667
static int bit_buffer_size= 1024*256;
668
static uint8_t *bit_buffer= NULL;
669

    
670
static void do_video_out(AVFormatContext *s,
671
                         AVOutputStream *ost,
672
                         AVInputStream *ist,
673
                         AVFrame *in_picture,
674
                         int *frame_size)
675
{
676
    int nb_frames, i, ret;
677
    AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
678
    AVFrame picture_crop_temp, picture_pad_temp;
679
    AVCodecContext *enc, *dec;
680

    
681
    avcodec_get_frame_defaults(&picture_crop_temp);
682
    avcodec_get_frame_defaults(&picture_pad_temp);
683

    
684
    enc = ost->st->codec;
685
    dec = ist->st->codec;
686

    
687
    /* by default, we output a single frame */
688
    nb_frames = 1;
689

    
690
    *frame_size = 0;
691

    
692
    if(video_sync_method){
693
        double vdelta;
694
        vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
695
        //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
696
        if (vdelta < -1.1)
697
            nb_frames = 0;
698
        else if (vdelta > 1.1)
699
            nb_frames = lrintf(vdelta);
700
//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);
701
        if (nb_frames == 0){
702
            ++nb_frames_drop;
703
            if (verbose>2)
704
                fprintf(stderr, "*** drop!\n");
705
        }else if (nb_frames > 1) {
706
            nb_frames_dup += nb_frames;
707
            if (verbose>2)
708
                fprintf(stderr, "*** %d dup!\n", nb_frames-1);
709
        }
710
    }else
711
        ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
712

    
713
    nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
714
    if (nb_frames <= 0)
715
        return;
716

    
717
    if (ost->video_crop) {
718
        if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
719
            av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
720
            return;
721
        }
722
        formatted_picture = &picture_crop_temp;
723
    } else {
724
        formatted_picture = in_picture;
725
    }
726

    
727
    final_picture = formatted_picture;
728
    padding_src = formatted_picture;
729
    resampling_dst = &ost->pict_tmp;
730
    if (ost->video_pad) {
731
        final_picture = &ost->pict_tmp;
732
        if (ost->video_resample) {
733
            if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
734
                av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
735
                return;
736
            }
737
            resampling_dst = &picture_pad_temp;
738
        }
739
    }
740

    
741
    if (ost->video_resample) {
742
        padding_src = NULL;
743
        final_picture = &ost->pict_tmp;
744
        sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
745
              0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
746
    }
747

    
748
    if (ost->video_pad) {
749
        av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
750
                enc->height, enc->width, enc->pix_fmt,
751
                ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
752
    }
753

    
754
    /* duplicates frame if needed */
755
    for(i=0;i<nb_frames;i++) {
756
        AVPacket pkt;
757
        av_init_packet(&pkt);
758
        pkt.stream_index= ost->index;
759

    
760
        if (s->oformat->flags & AVFMT_RAWPICTURE) {
761
            /* raw pictures are written as AVPicture structure to
762
               avoid any copies. We support temorarily the older
763
               method. */
764
            AVFrame* old_frame = enc->coded_frame;
765
            enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
766
            pkt.data= (uint8_t *)final_picture;
767
            pkt.size=  sizeof(AVPicture);
768
            if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
769
                pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
770
            if(dec->coded_frame && dec->coded_frame->key_frame)
771
                pkt.flags |= PKT_FLAG_KEY;
772

    
773
            write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
774
            enc->coded_frame = old_frame;
775
        } else {
776
            AVFrame big_picture;
777

    
778
            big_picture= *final_picture;
779
            /* better than nothing: use input picture interlaced
780
               settings */
781
            big_picture.interlaced_frame = in_picture->interlaced_frame;
782
            if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
783
                if(top_field_first == -1)
784
                    big_picture.top_field_first = in_picture->top_field_first;
785
                else
786
                    big_picture.top_field_first = top_field_first;
787
            }
788

    
789
            /* handles sameq here. This is not correct because it may
790
               not be a global option */
791
            if (same_quality) {
792
                big_picture.quality = ist->st->quality;
793
            }else
794
                big_picture.quality = ost->st->quality;
795
            if(!me_threshold)
796
                big_picture.pict_type = 0;
797
//            big_picture.pts = AV_NOPTS_VALUE;
798
            big_picture.pts= ost->sync_opts;
799
//            big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
800
//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
801
            ret = avcodec_encode_video(enc,
802
                                       bit_buffer, bit_buffer_size,
803
                                       &big_picture);
804
            if (ret == -1) {
805
                fprintf(stderr, "Video encoding failed\n");
806
                exit(1);
807
            }
808
            //enc->frame_number = enc->real_pict_num;
809
            if(ret>0){
810
                pkt.data= bit_buffer;
811
                pkt.size= ret;
812
                if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
813
                    pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
814
/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
815
   pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
816
   pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
817

    
818
                if(enc->coded_frame && enc->coded_frame->key_frame)
819
                    pkt.flags |= PKT_FLAG_KEY;
820
                write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
821
                *frame_size = ret;
822
                //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
823
                //        enc->frame_number-1, enc->real_pict_num, ret,
824
                //        enc->pict_type);
825
                /* if two pass, output log */
826
                if (ost->logfile && enc->stats_out) {
827
                    fprintf(ost->logfile, "%s", enc->stats_out);
828
                }
829
            }
830
        }
831
        ost->sync_opts++;
832
        ost->frame_number++;
833
    }
834
}
835

    
836
static double psnr(double d){
837
    if(d==0) return INFINITY;
838
    return -10.0*log(d)/log(10.0);
839
}
840

    
841
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
842
                           int frame_size)
843
{
844
    static FILE *fvstats=NULL;
845
    char filename[40];
846
    time_t today2;
847
    struct tm *today;
848
    AVCodecContext *enc;
849
    int frame_number;
850
    int64_t ti;
851
    double ti1, bitrate, avg_bitrate;
852

    
853
    if (!fvstats) {
854
        today2 = time(NULL);
855
        today = localtime(&today2);
856
        snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour,
857
                                               today->tm_min,
858
                                               today->tm_sec);
859
        fvstats = fopen(filename,"w");
860
        if (!fvstats) {
861
            perror("fopen");
862
            exit(1);
863
        }
864
    }
865

    
866
    ti = INT64_MAX;
867
    enc = ost->st->codec;
868
    if (enc->codec_type == CODEC_TYPE_VIDEO) {
869
        frame_number = ost->frame_number;
870
        fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
871
        if (enc->flags&CODEC_FLAG_PSNR)
872
            fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
873

    
874
        fprintf(fvstats,"f_size= %6d ", frame_size);
875
        /* compute pts value */
876
        ti1 = ost->sync_opts * av_q2d(enc->time_base);
877
        if (ti1 < 0.01)
878
            ti1 = 0.01;
879

    
880
        bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
881
        avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
882
        fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
883
            (double)video_size / 1024, ti1, bitrate, avg_bitrate);
884
        fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
885
    }
886
}
887

    
888
static void print_report(AVFormatContext **output_files,
889
                         AVOutputStream **ost_table, int nb_ostreams,
890
                         int is_last_report)
891
{
892
    char buf[1024];
893
    AVOutputStream *ost;
894
    AVFormatContext *oc, *os;
895
    int64_t total_size;
896
    AVCodecContext *enc;
897
    int frame_number, vid, i;
898
    double bitrate, ti1, pts;
899
    static int64_t last_time = -1;
900
    static int qp_histogram[52];
901

    
902
    if (!is_last_report) {
903
        int64_t cur_time;
904
        /* display the report every 0.5 seconds */
905
        cur_time = av_gettime();
906
        if (last_time == -1) {
907
            last_time = cur_time;
908
            return;
909
        }
910
        if ((cur_time - last_time) < 500000)
911
            return;
912
        last_time = cur_time;
913
    }
914

    
915

    
916
    oc = output_files[0];
917

    
918
    total_size = url_ftell(&oc->pb);
919

    
920
    buf[0] = '\0';
921
    ti1 = 1e10;
922
    vid = 0;
923
    for(i=0;i<nb_ostreams;i++) {
924
        ost = ost_table[i];
925
        os = output_files[ost->file_index];
926
        enc = ost->st->codec;
927
        if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
928
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
929
                    enc->coded_frame->quality/(float)FF_QP2LAMBDA);
930
        }
931
        if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
932
            float t = (av_gettime()-timer_start) / 1000000.0;
933

    
934
            frame_number = ost->frame_number;
935
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
936
                     frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
937
                     enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
938
            if(is_last_report)
939
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
940
            if(qp_hist && enc->coded_frame){
941
                int j;
942
                int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
943
                if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
944
                    qp_histogram[qp]++;
945
                for(j=0; j<32; j++)
946
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
947
            }
948
            if (enc->flags&CODEC_FLAG_PSNR){
949
                int j;
950
                double error, error_sum=0;
951
                double scale, scale_sum=0;
952
                char type[3]= {'Y','U','V'};
953
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
954
                for(j=0; j<3; j++){
955
                    if(is_last_report){
956
                        error= enc->error[j];
957
                        scale= enc->width*enc->height*255.0*255.0*frame_number;
958
                    }else{
959
                        error= enc->coded_frame->error[j];
960
                        scale= enc->width*enc->height*255.0*255.0;
961
                    }
962
                    if(j) scale/=4;
963
                    error_sum += error;
964
                    scale_sum += scale;
965
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
966
                }
967
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
968
            }
969
            vid = 1;
970
        }
971
        /* compute min output value */
972
        pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
973
        if ((pts < ti1) && (pts > 0))
974
            ti1 = pts;
975
    }
976
    if (ti1 < 0.01)
977
        ti1 = 0.01;
978

    
979
    if (verbose || is_last_report) {
980
        bitrate = (double)(total_size * 8) / ti1 / 1000.0;
981

    
982
        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
983
            "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
984
            (double)total_size / 1024, ti1, bitrate);
985

    
986
        if (verbose > 1)
987
          snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
988
                  nb_frames_dup, nb_frames_drop);
989

    
990
        if (verbose >= 0)
991
            fprintf(stderr, "%s    \r", buf);
992

    
993
        fflush(stderr);
994
    }
995

    
996
    if (is_last_report && verbose >= 0){
997
        int64_t raw= audio_size + video_size + extra_size;
998
        fprintf(stderr, "\n");
999
        fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1000
                video_size/1024.0,
1001
                audio_size/1024.0,
1002
                extra_size/1024.0,
1003
                100.0*(total_size - raw)/raw
1004
        );
1005
    }
1006
}
1007

    
1008
/* pkt = NULL means EOF (needed to flush decoder buffers) */
1009
static int output_packet(AVInputStream *ist, int ist_index,
1010
                         AVOutputStream **ost_table, int nb_ostreams,
1011
                         const AVPacket *pkt)
1012
{
1013
    AVFormatContext *os;
1014
    AVOutputStream *ost;
1015
    uint8_t *ptr;
1016
    int len, ret, i;
1017
    uint8_t *data_buf;
1018
    int data_size, got_picture;
1019
    AVFrame picture;
1020
    void *buffer_to_free;
1021
    static unsigned int samples_size= 0;
1022
    static short *samples= NULL;
1023
    AVSubtitle subtitle, *subtitle_to_free;
1024
    int got_subtitle;
1025

    
1026
    if(!pkt){
1027
        ist->pts= ist->next_pts; // needed for last packet if vsync=0
1028
    } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1029
        ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1030
    } else {
1031
//        assert(ist->pts == ist->next_pts);
1032
    }
1033

    
1034
    if (pkt == NULL) {
1035
        /* EOF handling */
1036
        ptr = NULL;
1037
        len = 0;
1038
        goto handle_eof;
1039
    }
1040

    
1041
    len = pkt->size;
1042
    ptr = pkt->data;
1043
    while (len > 0) {
1044
    handle_eof:
1045
        /* decode the packet if needed */
1046
        data_buf = NULL; /* fail safe */
1047
        data_size = 0;
1048
        subtitle_to_free = NULL;
1049
        if (ist->decoding_needed) {
1050
            switch(ist->st->codec->codec_type) {
1051
            case CODEC_TYPE_AUDIO:{
1052
                if(pkt)
1053
                    samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1054
                data_size= samples_size;
1055
                    /* XXX: could avoid copy if PCM 16 bits with same
1056
                       endianness as CPU */
1057
                ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1058
                                           ptr, len);
1059
                if (ret < 0)
1060
                    goto fail_decode;
1061
                ptr += ret;
1062
                len -= ret;
1063
                /* Some bug in mpeg audio decoder gives */
1064
                /* data_size < 0, it seems they are overflows */
1065
                if (data_size <= 0) {
1066
                    /* no audio frame */
1067
                    continue;
1068
                }
1069
                data_buf = (uint8_t *)samples;
1070
                ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1071
                    (ist->st->codec->sample_rate * ist->st->codec->channels);
1072
                break;}
1073
            case CODEC_TYPE_VIDEO:
1074
                    data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1075
                    /* XXX: allocate picture correctly */
1076
                    avcodec_get_frame_defaults(&picture);
1077

    
1078
                    ret = avcodec_decode_video(ist->st->codec,
1079
                                               &picture, &got_picture, ptr, len);
1080
                    ist->st->quality= picture.quality;
1081
                    if (ret < 0)
1082
                        goto fail_decode;
1083
                    if (!got_picture) {
1084
                        /* no picture yet */
1085
                        goto discard_packet;
1086
                    }
1087
                    if (ist->st->codec->time_base.num != 0) {
1088
                        ist->next_pts += ((int64_t)AV_TIME_BASE *
1089
                                          ist->st->codec->time_base.num) /
1090
                            ist->st->codec->time_base.den;
1091
                    }
1092
                    len = 0;
1093
                    break;
1094
            case CODEC_TYPE_SUBTITLE:
1095
                ret = avcodec_decode_subtitle(ist->st->codec,
1096
                                              &subtitle, &got_subtitle, ptr, len);
1097
                if (ret < 0)
1098
                    goto fail_decode;
1099
                if (!got_subtitle) {
1100
                    goto discard_packet;
1101
                }
1102
                subtitle_to_free = &subtitle;
1103
                len = 0;
1104
                break;
1105
            default:
1106
                goto fail_decode;
1107
            }
1108
        } else {
1109
            switch(ist->st->codec->codec_type) {
1110
            case CODEC_TYPE_AUDIO:
1111
                ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1112
                    (ist->st->codec->sample_rate * ist->st->codec->channels);
1113
                break;
1114
            case CODEC_TYPE_VIDEO:
1115
                if (ist->st->codec->time_base.num != 0) {
1116
                    ist->next_pts += ((int64_t)AV_TIME_BASE *
1117
                                      ist->st->codec->time_base.num) /
1118
                        ist->st->codec->time_base.den;
1119
                }
1120
                break;
1121
            }
1122
            data_buf = ptr;
1123
            data_size = len;
1124
            ret = len;
1125
            len = 0;
1126
        }
1127

    
1128
        buffer_to_free = NULL;
1129
        if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1130
            pre_process_video_frame(ist, (AVPicture *)&picture,
1131
                                    &buffer_to_free);
1132
        }
1133

    
1134
        // preprocess audio (volume)
1135
        if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1136
            if (audio_volume != 256) {
1137
                short *volp;
1138
                volp = samples;
1139
                for(i=0;i<(data_size / sizeof(short));i++) {
1140
                    int v = ((*volp) * audio_volume + 128) >> 8;
1141
                    if (v < -32768) v = -32768;
1142
                    if (v >  32767) v = 32767;
1143
                    *volp++ = v;
1144
                }
1145
            }
1146
        }
1147

    
1148
        /* frame rate emulation */
1149
        if (ist->st->codec->rate_emu) {
1150
            int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1151
            int64_t now = av_gettime() - ist->start;
1152
            if (pts > now)
1153
                usleep(pts - now);
1154

    
1155
            ist->frame++;
1156
        }
1157

    
1158
#if 0
1159
        /* mpeg PTS deordering : if it is a P or I frame, the PTS
1160
           is the one of the next displayed one */
1161
        /* XXX: add mpeg4 too ? */
1162
        if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1163
            if (ist->st->codec->pict_type != B_TYPE) {
1164
                int64_t tmp;
1165
                tmp = ist->last_ip_pts;
1166
                ist->last_ip_pts  = ist->frac_pts.val;
1167
                ist->frac_pts.val = tmp;
1168
            }
1169
        }
1170
#endif
1171
        /* if output time reached then transcode raw format,
1172
           encode packets and output them */
1173
        if (start_time == 0 || ist->pts >= start_time)
1174
            for(i=0;i<nb_ostreams;i++) {
1175
                int frame_size;
1176

    
1177
                ost = ost_table[i];
1178
                if (ost->source_index == ist_index) {
1179
                    os = output_files[ost->file_index];
1180

    
1181
#if 0
1182
                    printf("%d: got pts=%0.3f %0.3f\n", i,
1183
                           (double)pkt->pts / AV_TIME_BASE,
1184
                           ((double)ist->pts / AV_TIME_BASE) -
1185
                           ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1186
#endif
1187
                    /* set the input output pts pairs */
1188
                    //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1189

    
1190
                    if (ost->encoding_needed) {
1191
                        switch(ost->st->codec->codec_type) {
1192
                        case CODEC_TYPE_AUDIO:
1193
                            do_audio_out(os, ost, ist, data_buf, data_size);
1194
                            break;
1195
                        case CODEC_TYPE_VIDEO:
1196
                            do_video_out(os, ost, ist, &picture, &frame_size);
1197
                            video_size += frame_size;
1198
                            if (do_vstats && frame_size)
1199
                                do_video_stats(os, ost, frame_size);
1200
                            break;
1201
                        case CODEC_TYPE_SUBTITLE:
1202
                            do_subtitle_out(os, ost, ist, &subtitle,
1203
                                            pkt->pts);
1204
                            break;
1205
                        default:
1206
                            av_abort();
1207
                        }
1208
                    } else {
1209
                        AVFrame avframe; //FIXME/XXX remove this
1210
                        AVPacket opkt;
1211
                        av_init_packet(&opkt);
1212

    
1213
                        /* no reencoding needed : output the packet directly */
1214
                        /* force the input stream PTS */
1215

    
1216
                        avcodec_get_frame_defaults(&avframe);
1217
                        ost->st->codec->coded_frame= &avframe;
1218
                        avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1219

    
1220
                        if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1221
                            audio_size += data_size;
1222
                        else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1223
                            video_size += data_size;
1224
                            ost->sync_opts++;
1225
                        }
1226

    
1227
                        opkt.stream_index= ost->index;
1228
                        if(pkt->pts != AV_NOPTS_VALUE)
1229
                            opkt.pts= av_rescale_q(av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q) + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q,  ost->st->time_base);
1230
                        else
1231
                            opkt.pts= AV_NOPTS_VALUE;
1232

    
1233
                        {
1234
                            int64_t dts;
1235
                            if (pkt->dts == AV_NOPTS_VALUE)
1236
                                dts = ist->next_pts;
1237
                            else
1238
                                dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1239
                            opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q,  ost->st->time_base);
1240
                        }
1241
                        opkt.flags= pkt->flags;
1242

    
1243
                        //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1244
                        if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1245
                            opkt.destruct= av_destruct_packet;
1246

    
1247
                        write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1248
                        ost->st->codec->frame_number++;
1249
                        ost->frame_number++;
1250
                        av_free_packet(&opkt);
1251
                    }
1252
                }
1253
            }
1254
        av_free(buffer_to_free);
1255
        /* XXX: allocate the subtitles in the codec ? */
1256
        if (subtitle_to_free) {
1257
            if (subtitle_to_free->rects != NULL) {
1258
                for (i = 0; i < subtitle_to_free->num_rects; i++) {
1259
                    av_free(subtitle_to_free->rects[i].bitmap);
1260
                    av_free(subtitle_to_free->rects[i].rgba_palette);
1261
                }
1262
                av_freep(&subtitle_to_free->rects);
1263
            }
1264
            subtitle_to_free->num_rects = 0;
1265
            subtitle_to_free = NULL;
1266
        }
1267
    }
1268
 discard_packet:
1269
    if (pkt == NULL) {
1270
        /* EOF handling */
1271

    
1272
        for(i=0;i<nb_ostreams;i++) {
1273
            ost = ost_table[i];
1274
            if (ost->source_index == ist_index) {
1275
                AVCodecContext *enc= ost->st->codec;
1276
                os = output_files[ost->file_index];
1277

    
1278
                if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1279
                    continue;
1280
                if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1281
                    continue;
1282

    
1283
                if (ost->encoding_needed) {
1284
                    for(;;) {
1285
                        AVPacket pkt;
1286
                        int fifo_bytes;
1287
                        av_init_packet(&pkt);
1288
                        pkt.stream_index= ost->index;
1289

    
1290
                        switch(ost->st->codec->codec_type) {
1291
                        case CODEC_TYPE_AUDIO:
1292
                            fifo_bytes = av_fifo_size(&ost->fifo);
1293
                            ret = 0;
1294
                            /* encode any samples remaining in fifo */
1295
                            if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1296
                                int fs_tmp = enc->frame_size;
1297
                                enc->frame_size = fifo_bytes / (2 * enc->channels);
1298
                                if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1299
                                    ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1300
                                }
1301
                                enc->frame_size = fs_tmp;
1302
                            }
1303
                            if(ret <= 0) {
1304
                                ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1305
                            }
1306
                            audio_size += ret;
1307
                            pkt.flags |= PKT_FLAG_KEY;
1308
                            break;
1309
                        case CODEC_TYPE_VIDEO:
1310
                            ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1311
                            video_size += ret;
1312
                            if(enc->coded_frame && enc->coded_frame->key_frame)
1313
                                pkt.flags |= PKT_FLAG_KEY;
1314
                            if (ost->logfile && enc->stats_out) {
1315
                                fprintf(ost->logfile, "%s", enc->stats_out);
1316
                            }
1317
                            break;
1318
                        default:
1319
                            ret=-1;
1320
                        }
1321

    
1322
                        if(ret<=0)
1323
                            break;
1324
                        pkt.data= bit_buffer;
1325
                        pkt.size= ret;
1326
                        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1327
                            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1328
                        write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1329
                    }
1330
                }
1331
            }
1332
        }
1333
    }
1334

    
1335
    return 0;
1336
 fail_decode:
1337
    return -1;
1338
}
1339

    
1340

    
1341
/*
1342
 * The following code is the main loop of the file converter
1343
 */
1344
static int av_encode(AVFormatContext **output_files,
1345
                     int nb_output_files,
1346
                     AVFormatContext **input_files,
1347
                     int nb_input_files,
1348
                     AVStreamMap *stream_maps, int nb_stream_maps)
1349
{
1350
    int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1351
    AVFormatContext *is, *os;
1352
    AVCodecContext *codec, *icodec;
1353
    AVOutputStream *ost, **ost_table = NULL;
1354
    AVInputStream *ist, **ist_table = NULL;
1355
    AVInputFile *file_table;
1356
    int key;
1357

    
1358
    file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1359
    if (!file_table)
1360
        goto fail;
1361

    
1362
    /* input stream init */
1363
    j = 0;
1364
    for(i=0;i<nb_input_files;i++) {
1365
        is = input_files[i];
1366
        file_table[i].ist_index = j;
1367
        file_table[i].nb_streams = is->nb_streams;
1368
        j += is->nb_streams;
1369
    }
1370
    nb_istreams = j;
1371

    
1372
    ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1373
    if (!ist_table)
1374
        goto fail;
1375

    
1376
    for(i=0;i<nb_istreams;i++) {
1377
        ist = av_mallocz(sizeof(AVInputStream));
1378
        if (!ist)
1379
            goto fail;
1380
        ist_table[i] = ist;
1381
    }
1382
    j = 0;
1383
    for(i=0;i<nb_input_files;i++) {
1384
        is = input_files[i];
1385
        for(k=0;k<is->nb_streams;k++) {
1386
            ist = ist_table[j++];
1387
            ist->st = is->streams[k];
1388
            ist->file_index = i;
1389
            ist->index = k;
1390
            ist->discard = 1; /* the stream is discarded by default
1391
                                 (changed later) */
1392

    
1393
            if (ist->st->codec->rate_emu) {
1394
                ist->start = av_gettime();
1395
                ist->frame = 0;
1396
            }
1397
        }
1398
    }
1399

    
1400
    /* output stream init */
1401
    nb_ostreams = 0;
1402
    for(i=0;i<nb_output_files;i++) {
1403
        os = output_files[i];
1404
        if (!os->nb_streams) {
1405
            fprintf(stderr, "Output file does not contain any stream\n");
1406
            exit(1);
1407
        }
1408
        nb_ostreams += os->nb_streams;
1409
    }
1410
    if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1411
        fprintf(stderr, "Number of stream maps must match number of output streams\n");
1412
        exit(1);
1413
    }
1414

    
1415
    /* Sanity check the mapping args -- do the input files & streams exist? */
1416
    for(i=0;i<nb_stream_maps;i++) {
1417
        int fi = stream_maps[i].file_index;
1418
        int si = stream_maps[i].stream_index;
1419

    
1420
        if (fi < 0 || fi > nb_input_files - 1 ||
1421
            si < 0 || si > file_table[fi].nb_streams - 1) {
1422
            fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1423
            exit(1);
1424
        }
1425
        fi = stream_maps[i].sync_file_index;
1426
        si = stream_maps[i].sync_stream_index;
1427
        if (fi < 0 || fi > nb_input_files - 1 ||
1428
            si < 0 || si > file_table[fi].nb_streams - 1) {
1429
            fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1430
            exit(1);
1431
        }
1432
    }
1433

    
1434
    ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1435
    if (!ost_table)
1436
        goto fail;
1437
    for(i=0;i<nb_ostreams;i++) {
1438
        ost = av_mallocz(sizeof(AVOutputStream));
1439
        if (!ost)
1440
            goto fail;
1441
        ost_table[i] = ost;
1442
    }
1443

    
1444
    n = 0;
1445
    for(k=0;k<nb_output_files;k++) {
1446
        os = output_files[k];
1447
        for(i=0;i<os->nb_streams;i++) {
1448
            int found;
1449
            ost = ost_table[n++];
1450
            ost->file_index = k;
1451
            ost->index = i;
1452
            ost->st = os->streams[i];
1453
            if (nb_stream_maps > 0) {
1454
                ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1455
                    stream_maps[n-1].stream_index;
1456

    
1457
                /* Sanity check that the stream types match */
1458
                if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1459
                    fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1460
                        stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1461
                        ost->file_index, ost->index);
1462
                    exit(1);
1463
                }
1464

    
1465
            } else {
1466
                /* get corresponding input stream index : we select the first one with the right type */
1467
                found = 0;
1468
                for(j=0;j<nb_istreams;j++) {
1469
                    ist = ist_table[j];
1470
                    if (ist->discard &&
1471
                        ist->st->codec->codec_type == ost->st->codec->codec_type) {
1472
                        ost->source_index = j;
1473
                        found = 1;
1474
                        break;
1475
                    }
1476
                }
1477

    
1478
                if (!found) {
1479
                    /* try again and reuse existing stream */
1480
                    for(j=0;j<nb_istreams;j++) {
1481
                        ist = ist_table[j];
1482
                        if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1483
                            ost->source_index = j;
1484
                            found = 1;
1485
                        }
1486
                    }
1487
                    if (!found) {
1488
                        fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1489
                                ost->file_index, ost->index);
1490
                        exit(1);
1491
                    }
1492
                }
1493
            }
1494
            ist = ist_table[ost->source_index];
1495
            ist->discard = 0;
1496
            ost->sync_ist = (nb_stream_maps > 0) ?
1497
                ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1498
                         stream_maps[n-1].sync_stream_index] : ist;
1499
        }
1500
    }
1501

    
1502
    /* for each output stream, we compute the right encoding parameters */
1503
    for(i=0;i<nb_ostreams;i++) {
1504
        ost = ost_table[i];
1505
        ist = ist_table[ost->source_index];
1506

    
1507
        codec = ost->st->codec;
1508
        icodec = ist->st->codec;
1509

    
1510
        if (ost->st->stream_copy) {
1511
            /* if stream_copy is selected, no need to decode or encode */
1512
            codec->codec_id = icodec->codec_id;
1513
            codec->codec_type = icodec->codec_type;
1514
            if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1515
            codec->bit_rate = icodec->bit_rate;
1516
            codec->extradata= icodec->extradata;
1517
            codec->extradata_size= icodec->extradata_size;
1518
            if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1519
                codec->time_base = icodec->time_base;
1520
            else
1521
                codec->time_base = ist->st->time_base;
1522
            switch(codec->codec_type) {
1523
            case CODEC_TYPE_AUDIO:
1524
                codec->sample_rate = icodec->sample_rate;
1525
                codec->channels = icodec->channels;
1526
                codec->frame_size = icodec->frame_size;
1527
                codec->block_align= icodec->block_align;
1528
                break;
1529
            case CODEC_TYPE_VIDEO:
1530
                if(using_vhook) {
1531
                    fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1532
                    exit(1);
1533
                }
1534
                codec->pix_fmt = icodec->pix_fmt;
1535
                codec->width = icodec->width;
1536
                codec->height = icodec->height;
1537
                codec->has_b_frames = icodec->has_b_frames;
1538
                break;
1539
            case CODEC_TYPE_SUBTITLE:
1540
                break;
1541
            default:
1542
                av_abort();
1543
            }
1544
        } else {
1545
            switch(codec->codec_type) {
1546
            case CODEC_TYPE_AUDIO:
1547
                if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1548
                    goto fail;
1549

    
1550
                if (codec->channels == icodec->channels &&
1551
                    codec->sample_rate == icodec->sample_rate) {
1552
                    ost->audio_resample = 0;
1553
                } else {
1554
                    if (codec->channels != icodec->channels &&
1555
                        (icodec->codec_id == CODEC_ID_AC3 ||
1556
                         icodec->codec_id == CODEC_ID_DTS)) {
1557
                        /* Special case for 5:1 AC3 and DTS input */
1558
                        /* and mono or stereo output      */
1559
                        /* Request specific number of channels */
1560
                        icodec->channels = codec->channels;
1561
                        if (codec->sample_rate == icodec->sample_rate)
1562
                            ost->audio_resample = 0;
1563
                        else {
1564
                            ost->audio_resample = 1;
1565
                        }
1566
                    } else {
1567
                        ost->audio_resample = 1;
1568
                    }
1569
                }
1570
                if(audio_sync_method>1)
1571
                    ost->audio_resample = 1;
1572

    
1573
                if(ost->audio_resample){
1574
                    ost->resample = audio_resample_init(codec->channels, icodec->channels,
1575
                                                    codec->sample_rate, icodec->sample_rate);
1576
                    if(!ost->resample){
1577
                        printf("Can't resample.  Aborting.\n");
1578
                        av_abort();
1579
                    }
1580
                }
1581
                ist->decoding_needed = 1;
1582
                ost->encoding_needed = 1;
1583
                break;
1584
            case CODEC_TYPE_VIDEO:
1585
                ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1586
                ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1587
                ost->video_resample = ((codec->width != icodec->width -
1588
                                (frame_leftBand + frame_rightBand) +
1589
                                (frame_padleft + frame_padright)) ||
1590
                        (codec->height != icodec->height -
1591
                                (frame_topBand  + frame_bottomBand) +
1592
                                (frame_padtop + frame_padbottom)) ||
1593
                        (codec->pix_fmt != icodec->pix_fmt));
1594
                if (ost->video_crop) {
1595
                    ost->topBand = frame_topBand;
1596
                    ost->leftBand = frame_leftBand;
1597
                }
1598
                if (ost->video_pad) {
1599
                    ost->padtop = frame_padtop;
1600
                    ost->padleft = frame_padleft;
1601
                    ost->padbottom = frame_padbottom;
1602
                    ost->padright = frame_padright;
1603
                    if (!ost->video_resample) {
1604
                        avcodec_get_frame_defaults(&ost->pict_tmp);
1605
                        if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1606
                                         codec->width, codec->height ) )
1607
                            goto fail;
1608
                    }
1609
                }
1610
                if (ost->video_resample) {
1611
                    avcodec_get_frame_defaults(&ost->pict_tmp);
1612
                    if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1613
                                         codec->width, codec->height ) )
1614
                        exit(1);
1615

    
1616
                    ost->img_resample_ctx = sws_getContext(
1617
                            icodec->width - (frame_leftBand + frame_rightBand),
1618
                            icodec->height - (frame_topBand + frame_bottomBand),
1619
                            icodec->pix_fmt,
1620
                            codec->width - (frame_padleft + frame_padright),
1621
                            codec->height - (frame_padtop + frame_padbottom),
1622
                            codec->pix_fmt,
1623
                            sws_flags, NULL, NULL, NULL);
1624
                    if (ost->img_resample_ctx == NULL) {
1625
                        fprintf(stderr, "Cannot get resampling context\n");
1626
                        exit(1);
1627
                    }
1628
                    ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1629
                }
1630
                ost->encoding_needed = 1;
1631
                ist->decoding_needed = 1;
1632
                break;
1633
            case CODEC_TYPE_SUBTITLE:
1634
                ost->encoding_needed = 1;
1635
                ist->decoding_needed = 1;
1636
                break;
1637
            default:
1638
                av_abort();
1639
                break;
1640
            }
1641
            /* two pass mode */
1642
            if (ost->encoding_needed &&
1643
                (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1644
                char logfilename[1024];
1645
                FILE *f;
1646
                int size;
1647
                char *logbuffer;
1648

    
1649
                snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1650
                         pass_logfilename ?
1651
                         pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1652
                if (codec->flags & CODEC_FLAG_PASS1) {
1653
                    f = fopen(logfilename, "w");
1654
                    if (!f) {
1655
                        perror(logfilename);
1656
                        exit(1);
1657
                    }
1658
                    ost->logfile = f;
1659
                } else {
1660
                    /* read the log file */
1661
                    f = fopen(logfilename, "r");
1662
                    if (!f) {
1663
                        perror(logfilename);
1664
                        exit(1);
1665
                    }
1666
                    fseek(f, 0, SEEK_END);
1667
                    size = ftell(f);
1668
                    fseek(f, 0, SEEK_SET);
1669
                    logbuffer = av_malloc(size + 1);
1670
                    if (!logbuffer) {
1671
                        fprintf(stderr, "Could not allocate log buffer\n");
1672
                        exit(1);
1673
                    }
1674
                    size = fread(logbuffer, 1, size, f);
1675
                    fclose(f);
1676
                    logbuffer[size] = '\0';
1677
                    codec->stats_in = logbuffer;
1678
                }
1679
            }
1680
        }
1681
        if(codec->codec_type == CODEC_TYPE_VIDEO){
1682
            int size= codec->width * codec->height;
1683
            bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1684
        }
1685
    }
1686

    
1687
    if (!bit_buffer)
1688
        bit_buffer = av_malloc(bit_buffer_size);
1689
    if (!bit_buffer)
1690
        goto fail;
1691

    
1692
    /* dump the file output parameters - cannot be done before in case
1693
       of stream copy */
1694
    for(i=0;i<nb_output_files;i++) {
1695
        dump_format(output_files[i], i, output_files[i]->filename, 1);
1696
    }
1697

    
1698
    /* dump the stream mapping */
1699
    if (verbose >= 0) {
1700
        fprintf(stderr, "Stream mapping:\n");
1701
        for(i=0;i<nb_ostreams;i++) {
1702
            ost = ost_table[i];
1703
            fprintf(stderr, "  Stream #%d.%d -> #%d.%d",
1704
                    ist_table[ost->source_index]->file_index,
1705
                    ist_table[ost->source_index]->index,
1706
                    ost->file_index,
1707
                    ost->index);
1708
            if (ost->sync_ist != ist_table[ost->source_index])
1709
                fprintf(stderr, " [sync #%d.%d]",
1710
                        ost->sync_ist->file_index,
1711
                        ost->sync_ist->index);
1712
            fprintf(stderr, "\n");
1713
        }
1714
    }
1715

    
1716
    /* open each encoder */
1717
    for(i=0;i<nb_ostreams;i++) {
1718
        ost = ost_table[i];
1719
        if (ost->encoding_needed) {
1720
            AVCodec *codec;
1721
            codec = avcodec_find_encoder(ost->st->codec->codec_id);
1722
            if (!codec) {
1723
                fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1724
                        ost->file_index, ost->index);
1725
                exit(1);
1726
            }
1727
            if (avcodec_open(ost->st->codec, codec) < 0) {
1728
                fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1729
                        ost->file_index, ost->index);
1730
                exit(1);
1731
            }
1732
            extra_size += ost->st->codec->extradata_size;
1733
        }
1734
    }
1735

    
1736
    /* open each decoder */
1737
    for(i=0;i<nb_istreams;i++) {
1738
        ist = ist_table[i];
1739
        if (ist->decoding_needed) {
1740
            AVCodec *codec;
1741
            codec = avcodec_find_decoder(ist->st->codec->codec_id);
1742
            if (!codec) {
1743
                fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1744
                        ist->st->codec->codec_id, ist->file_index, ist->index);
1745
                exit(1);
1746
            }
1747
            if (avcodec_open(ist->st->codec, codec) < 0) {
1748
                fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1749
                        ist->file_index, ist->index);
1750
                exit(1);
1751
            }
1752
            //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1753
            //    ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1754
        }
1755
    }
1756

    
1757
    /* init pts */
1758
    for(i=0;i<nb_istreams;i++) {
1759
        ist = ist_table[i];
1760
        is = input_files[ist->file_index];
1761
        ist->pts = 0;
1762
        ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1763
        if(ist->st->start_time == AV_NOPTS_VALUE)
1764
            ist->next_pts=0;
1765
        if(input_files_ts_offset[ist->file_index])
1766
            ist->next_pts= AV_NOPTS_VALUE;
1767
        ist->is_start = 1;
1768
    }
1769

    
1770
    /* set meta data information from input file if required */
1771
    for (i=0;i<nb_meta_data_maps;i++) {
1772
        AVFormatContext *out_file;
1773
        AVFormatContext *in_file;
1774

    
1775
        int out_file_index = meta_data_maps[i].out_file;
1776
        int in_file_index = meta_data_maps[i].in_file;
1777
        if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1778
            fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1779
            ret = AVERROR(EINVAL);
1780
            goto fail;
1781
        }
1782
        if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1783
            fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1784
            ret = AVERROR(EINVAL);
1785
            goto fail;
1786
        }
1787

    
1788
        out_file = output_files[out_file_index];
1789
        in_file = input_files[in_file_index];
1790

    
1791
        strcpy(out_file->title, in_file->title);
1792
        strcpy(out_file->author, in_file->author);
1793
        strcpy(out_file->copyright, in_file->copyright);
1794
        strcpy(out_file->comment, in_file->comment);
1795
        strcpy(out_file->album, in_file->album);
1796
        out_file->year = in_file->year;
1797
        out_file->track = in_file->track;
1798
        strcpy(out_file->genre, in_file->genre);
1799
    }
1800

    
1801
    /* open files and write file headers */
1802
    for(i=0;i<nb_output_files;i++) {
1803
        os = output_files[i];
1804
        if (av_write_header(os) < 0) {
1805
            fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1806
            ret = AVERROR(EINVAL);
1807
            goto fail;
1808
        }
1809
    }
1810

    
1811
    if ( !using_stdin && verbose >= 0) {
1812
        fprintf(stderr, "Press [q] to stop encoding\n");
1813
        url_set_interrupt_cb(decode_interrupt_cb);
1814
    }
1815
    term_init();
1816

    
1817
    key = -1;
1818
    timer_start = av_gettime();
1819

    
1820
    for(; received_sigterm == 0;) {
1821
        int file_index, ist_index;
1822
        AVPacket pkt;
1823
        double ipts_min;
1824
        double opts_min;
1825

    
1826
    redo:
1827
        ipts_min= 1e100;
1828
        opts_min= 1e100;
1829
        /* if 'q' pressed, exits */
1830
        if (!using_stdin) {
1831
            if (q_pressed)
1832
                break;
1833
            /* read_key() returns 0 on EOF */
1834
            key = read_key();
1835
            if (key == 'q')
1836
                break;
1837
        }
1838

    
1839
        /* select the stream that we must read now by looking at the
1840
           smallest output pts */
1841
        file_index = -1;
1842
        for(i=0;i<nb_ostreams;i++) {
1843
            double ipts, opts;
1844
            ost = ost_table[i];
1845
            os = output_files[ost->file_index];
1846
            ist = ist_table[ost->source_index];
1847
            if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1848
                opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1849
            else
1850
                opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1851
            ipts = (double)ist->pts;
1852
            if (!file_table[ist->file_index].eof_reached){
1853
                if(ipts < ipts_min) {
1854
                    ipts_min = ipts;
1855
                    if(input_sync ) file_index = ist->file_index;
1856
                }
1857
                if(opts < opts_min) {
1858
                    opts_min = opts;
1859
                    if(!input_sync) file_index = ist->file_index;
1860
                }
1861
            }
1862
            if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1863
                file_index= -1;
1864
                break;
1865
            }
1866
        }
1867
        /* if none, if is finished */
1868
        if (file_index < 0) {
1869
            break;
1870
        }
1871

    
1872
        /* finish if recording time exhausted */
1873
        if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1874
            break;
1875

    
1876
        /* finish if limit size exhausted */
1877
        if (limit_filesize != 0 && (limit_filesize * 1024) < url_ftell(&output_files[0]->pb))
1878
            break;
1879

    
1880
        /* read a frame from it and output it in the fifo */
1881
        is = input_files[file_index];
1882
        if (av_read_frame(is, &pkt) < 0) {
1883
            file_table[file_index].eof_reached = 1;
1884
            if (opt_shortest) break; else continue; //
1885
        }
1886

    
1887
        if (do_pkt_dump) {
1888
            av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1889
        }
1890
        /* the following test is needed in case new streams appear
1891
           dynamically in stream : we ignore them */
1892
        if (pkt.stream_index >= file_table[file_index].nb_streams)
1893
            goto discard_packet;
1894
        ist_index = file_table[file_index].ist_index + pkt.stream_index;
1895
        ist = ist_table[ist_index];
1896
        if (ist->discard)
1897
            goto discard_packet;
1898

    
1899
//        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);
1900
        if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1901
            int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
1902
            if(FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE && !copy_ts){
1903
                input_files_ts_offset[ist->file_index]-= delta;
1904
                if (verbose > 2)
1905
                    fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1906
                for(i=0; i<file_table[file_index].nb_streams; i++){
1907
                    int index= file_table[file_index].ist_index + i;
1908
                    ist_table[index]->next_pts += delta;
1909
                    ist_table[index]->is_start=1;
1910
                }
1911
            }
1912
        }
1913

    
1914
        //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1915
        if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1916

    
1917
            if (verbose >= 0)
1918
                fprintf(stderr, "Error while decoding stream #%d.%d\n",
1919
                        ist->file_index, ist->index);
1920

    
1921
            av_free_packet(&pkt);
1922
            goto redo;
1923
        }
1924

    
1925
    discard_packet:
1926
        av_free_packet(&pkt);
1927

    
1928
        /* dump report by using the output first video and audio streams */
1929
        print_report(output_files, ost_table, nb_ostreams, 0);
1930
    }
1931

    
1932
    /* at the end of stream, we must flush the decoder buffers */
1933
    for(i=0;i<nb_istreams;i++) {
1934
        ist = ist_table[i];
1935
        if (ist->decoding_needed) {
1936
            output_packet(ist, i, ost_table, nb_ostreams, NULL);
1937
        }
1938
    }
1939

    
1940
    term_exit();
1941

    
1942
    /* write the trailer if needed and close file */
1943
    for(i=0;i<nb_output_files;i++) {
1944
        os = output_files[i];
1945
        av_write_trailer(os);
1946
    }
1947

    
1948
    /* dump report by using the first video and audio streams */
1949
    print_report(output_files, ost_table, nb_ostreams, 1);
1950

    
1951
    /* close each encoder */
1952
    for(i=0;i<nb_ostreams;i++) {
1953
        ost = ost_table[i];
1954
        if (ost->encoding_needed) {
1955
            av_freep(&ost->st->codec->stats_in);
1956
            avcodec_close(ost->st->codec);
1957
        }
1958
    }
1959

    
1960
    /* close each decoder */
1961
    for(i=0;i<nb_istreams;i++) {
1962
        ist = ist_table[i];
1963
        if (ist->decoding_needed) {
1964
            avcodec_close(ist->st->codec);
1965
        }
1966
    }
1967

    
1968
    /* finished ! */
1969

    
1970
    ret = 0;
1971
 fail1:
1972
    av_freep(&bit_buffer);
1973
    av_free(file_table);
1974

    
1975
    if (ist_table) {
1976
        for(i=0;i<nb_istreams;i++) {
1977
            ist = ist_table[i];
1978
            av_free(ist);
1979
        }
1980
        av_free(ist_table);
1981
    }
1982
    if (ost_table) {
1983
        for(i=0;i<nb_ostreams;i++) {
1984
            ost = ost_table[i];
1985
            if (ost) {
1986
                if (ost->logfile) {
1987
                    fclose(ost->logfile);
1988
                    ost->logfile = NULL;
1989
                }
1990
                av_fifo_free(&ost->fifo); /* works even if fifo is not
1991
                                             initialized but set to zero */
1992
                av_free(ost->pict_tmp.data[0]);
1993
                if (ost->video_resample)
1994
                    sws_freeContext(ost->img_resample_ctx);
1995
                if (ost->audio_resample)
1996
                    audio_resample_close(ost->resample);
1997
                av_free(ost);
1998
            }
1999
        }
2000
        av_free(ost_table);
2001
    }
2002
    return ret;
2003
 fail:
2004
    ret = AVERROR(ENOMEM);
2005
    goto fail1;
2006
}
2007

    
2008
#if 0
2009
int file_read(const char *filename)
2010
{
2011
    URLContext *h;
2012
    unsigned char buffer[1024];
2013
    int len, i;
2014

2015
    if (url_open(&h, filename, O_RDONLY) < 0) {
2016
        printf("could not open '%s'\n", filename);
2017
        return -1;
2018
    }
2019
    for(;;) {
2020
        len = url_read(h, buffer, sizeof(buffer));
2021
        if (len <= 0)
2022
            break;
2023
        for(i=0;i<len;i++) putchar(buffer[i]);
2024
    }
2025
    url_close(h);
2026
    return 0;
2027
}
2028
#endif
2029

    
2030
static void opt_format(const char *arg)
2031
{
2032
    /* compatibility stuff for pgmyuv */
2033
    if (!strcmp(arg, "pgmyuv")) {
2034
        pgmyuv_compatibility_hack=1;
2035
//        opt_image_format(arg);
2036
        arg = "image2";
2037
        fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2038
    }
2039

    
2040
    file_iformat = av_find_input_format(arg);
2041
    file_oformat = guess_format(arg, NULL, NULL);
2042
    if (!file_iformat && !file_oformat) {
2043
        fprintf(stderr, "Unknown input or output format: %s\n", arg);
2044
        exit(1);
2045
    }
2046
}
2047

    
2048
static void opt_video_rc_eq(char *arg)
2049
{
2050
    video_rc_eq = arg;
2051
}
2052

    
2053
static void opt_video_rc_override_string(char *arg)
2054
{
2055
    video_rc_override_string = arg;
2056
}
2057

    
2058
static void opt_me_threshold(const char *arg)
2059
{
2060
    me_threshold = atoi(arg);
2061
}
2062

    
2063
static void opt_verbose(const char *arg)
2064
{
2065
    verbose = atoi(arg);
2066
    av_log_level = atoi(arg);
2067
}
2068

    
2069
static void opt_frame_rate(const char *arg)
2070
{
2071
    if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2072
        fprintf(stderr, "Incorrect frame rate\n");
2073
        exit(1);
2074
    }
2075
}
2076

    
2077
static void opt_frame_crop_top(const char *arg)
2078
{
2079
    frame_topBand = atoi(arg);
2080
    if (frame_topBand < 0) {
2081
        fprintf(stderr, "Incorrect top crop size\n");
2082
        exit(1);
2083
    }
2084
    if ((frame_topBand % 2) != 0) {
2085
        fprintf(stderr, "Top crop size must be a multiple of 2\n");
2086
        exit(1);
2087
    }
2088
    if ((frame_topBand) >= frame_height){
2089
        fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2090
        exit(1);
2091
    }
2092
    frame_height -= frame_topBand;
2093
}
2094

    
2095
static void opt_frame_crop_bottom(const char *arg)
2096
{
2097
    frame_bottomBand = atoi(arg);
2098
    if (frame_bottomBand < 0) {
2099
        fprintf(stderr, "Incorrect bottom crop size\n");
2100
        exit(1);
2101
    }
2102
    if ((frame_bottomBand % 2) != 0) {
2103
        fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2104
        exit(1);
2105
    }
2106
    if ((frame_bottomBand) >= frame_height){
2107
        fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2108
        exit(1);
2109
    }
2110
    frame_height -= frame_bottomBand;
2111
}
2112

    
2113
static void opt_frame_crop_left(const char *arg)
2114
{
2115
    frame_leftBand = atoi(arg);
2116
    if (frame_leftBand < 0) {
2117
        fprintf(stderr, "Incorrect left crop size\n");
2118
        exit(1);
2119
    }
2120
    if ((frame_leftBand % 2) != 0) {
2121
        fprintf(stderr, "Left crop size must be a multiple of 2\n");
2122
        exit(1);
2123
    }
2124
    if ((frame_leftBand) >= frame_width){
2125
        fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2126
        exit(1);
2127
    }
2128
    frame_width -= frame_leftBand;
2129
}
2130

    
2131
static void opt_frame_crop_right(const char *arg)
2132
{
2133
    frame_rightBand = atoi(arg);
2134
    if (frame_rightBand < 0) {
2135
        fprintf(stderr, "Incorrect right crop size\n");
2136
        exit(1);
2137
    }
2138
    if ((frame_rightBand % 2) != 0) {
2139
        fprintf(stderr, "Right crop size must be a multiple of 2\n");
2140
        exit(1);
2141
    }
2142
    if ((frame_rightBand) >= frame_width){
2143
        fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2144
        exit(1);
2145
    }
2146
    frame_width -= frame_rightBand;
2147
}
2148

    
2149
static void opt_frame_size(const char *arg)
2150
{
2151
    if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2152
        fprintf(stderr, "Incorrect frame size\n");
2153
        exit(1);
2154
    }
2155
    if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2156
        fprintf(stderr, "Frame size must be a multiple of 2\n");
2157
        exit(1);
2158
    }
2159
}
2160

    
2161

    
2162
#define SCALEBITS 10
2163
#define ONE_HALF  (1 << (SCALEBITS - 1))
2164
#define FIX(x)    ((int) ((x) * (1<<SCALEBITS) + 0.5))
2165

    
2166
#define RGB_TO_Y(r, g, b) \
2167
((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2168
  FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2169

    
2170
#define RGB_TO_U(r1, g1, b1, shift)\
2171
(((- FIX(0.16874) * r1 - FIX(0.33126) * g1 +         \
2172
     FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2173

    
2174
#define RGB_TO_V(r1, g1, b1, shift)\
2175
(((FIX(0.50000) * r1 - FIX(0.41869) * g1 -           \
2176
   FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2177

    
2178
static void opt_pad_color(const char *arg) {
2179
    /* Input is expected to be six hex digits similar to
2180
       how colors are expressed in html tags (but without the #) */
2181
    int rgb = strtol(arg, NULL, 16);
2182
    int r,g,b;
2183

    
2184
    r = (rgb >> 16);
2185
    g = ((rgb >> 8) & 255);
2186
    b = (rgb & 255);
2187

    
2188
    padcolor[0] = RGB_TO_Y(r,g,b);
2189
    padcolor[1] = RGB_TO_U(r,g,b,0);
2190
    padcolor[2] = RGB_TO_V(r,g,b,0);
2191
}
2192

    
2193
static void opt_frame_pad_top(const char *arg)
2194
{
2195
    frame_padtop = atoi(arg);
2196
    if (frame_padtop < 0) {
2197
        fprintf(stderr, "Incorrect top pad size\n");
2198
        exit(1);
2199
    }
2200
    if ((frame_padtop % 2) != 0) {
2201
        fprintf(stderr, "Top pad size must be a multiple of 2\n");
2202
        exit(1);
2203
    }
2204
}
2205

    
2206
static void opt_frame_pad_bottom(const char *arg)
2207
{
2208
    frame_padbottom = atoi(arg);
2209
    if (frame_padbottom < 0) {
2210
        fprintf(stderr, "Incorrect bottom pad size\n");
2211
        exit(1);
2212
    }
2213
    if ((frame_padbottom % 2) != 0) {
2214
        fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2215
        exit(1);
2216
    }
2217
}
2218

    
2219

    
2220
static void opt_frame_pad_left(const char *arg)
2221
{
2222
    frame_padleft = atoi(arg);
2223
    if (frame_padleft < 0) {
2224
        fprintf(stderr, "Incorrect left pad size\n");
2225
        exit(1);
2226
    }
2227
    if ((frame_padleft % 2) != 0) {
2228
        fprintf(stderr, "Left pad size must be a multiple of 2\n");
2229
        exit(1);
2230
    }
2231
}
2232

    
2233

    
2234
static void opt_frame_pad_right(const char *arg)
2235
{
2236
    frame_padright = atoi(arg);
2237
    if (frame_padright < 0) {
2238
        fprintf(stderr, "Incorrect right pad size\n");
2239
        exit(1);
2240
    }
2241
    if ((frame_padright % 2) != 0) {
2242
        fprintf(stderr, "Right pad size must be a multiple of 2\n");
2243
        exit(1);
2244
    }
2245
}
2246

    
2247

    
2248
static void opt_frame_pix_fmt(const char *arg)
2249
{
2250
    frame_pix_fmt = avcodec_get_pix_fmt(arg);
2251
}
2252

    
2253
static void opt_frame_aspect_ratio(const char *arg)
2254
{
2255
    int x = 0, y = 0;
2256
    double ar = 0;
2257
    const char *p;
2258

    
2259
    p = strchr(arg, ':');
2260
    if (p) {
2261
        x = strtol(arg, (char **)&arg, 10);
2262
        if (arg == p)
2263
            y = strtol(arg+1, (char **)&arg, 10);
2264
        if (x > 0 && y > 0)
2265
            ar = (double)x / (double)y;
2266
    } else
2267
        ar = strtod(arg, (char **)&arg);
2268

    
2269
    if (!ar) {
2270
        fprintf(stderr, "Incorrect aspect ratio specification.\n");
2271
        exit(1);
2272
    }
2273
    frame_aspect_ratio = ar;
2274
}
2275

    
2276
static void opt_qscale(const char *arg)
2277
{
2278
    video_qscale = atof(arg);
2279
    if (video_qscale <= 0 ||
2280
        video_qscale > 255) {
2281
        fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2282
        exit(1);
2283
    }
2284
}
2285

    
2286
static void opt_qdiff(const char *arg)
2287
{
2288
    video_qdiff = atoi(arg);
2289
    if (video_qdiff < 0 ||
2290
        video_qdiff > 31) {
2291
        fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2292
        exit(1);
2293
    }
2294
}
2295

    
2296
static void opt_strict(const char *arg)
2297
{
2298
    strict= atoi(arg);
2299
}
2300

    
2301
static void opt_top_field_first(const char *arg)
2302
{
2303
    top_field_first= atoi(arg);
2304
}
2305

    
2306
static void opt_thread_count(const char *arg)
2307
{
2308
    thread_count= atoi(arg);
2309
#if !defined(HAVE_THREADS)
2310
    if (verbose >= 0)
2311
        fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2312
#endif
2313
}
2314

    
2315
static void opt_audio_rate(const char *arg)
2316
{
2317
    audio_sample_rate = atoi(arg);
2318
}
2319

    
2320
static void opt_audio_channels(const char *arg)
2321
{
2322
    audio_channels = atoi(arg);
2323
}
2324

    
2325
static void opt_video_channel(const char *arg)
2326
{
2327
    video_channel = strtol(arg, NULL, 0);
2328
}
2329

    
2330
static void opt_video_standard(const char *arg)
2331
{
2332
    video_standard = av_strdup(arg);
2333
}
2334

    
2335
static void opt_codec(int *pstream_copy, int *pcodec_id,
2336
                      int codec_type, const char *arg)
2337
{
2338
    AVCodec *p;
2339

    
2340
    if (!strcmp(arg, "copy")) {
2341
        *pstream_copy = 1;
2342
    } else {
2343
        p = first_avcodec;
2344
        while (p) {
2345
            if (!strcmp(p->name, arg) && p->type == codec_type)
2346
                break;
2347
            p = p->next;
2348
        }
2349
        if (p == NULL) {
2350
            fprintf(stderr, "Unknown codec '%s'\n", arg);
2351
            exit(1);
2352
        } else {
2353
            *pcodec_id = p->id;
2354
        }
2355
    }
2356
}
2357

    
2358
static void opt_audio_codec(const char *arg)
2359
{
2360
    opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2361
}
2362

    
2363
static void opt_audio_tag(const char *arg)
2364
{
2365
    char *tail;
2366
    audio_codec_tag= strtol(arg, &tail, 0);
2367

    
2368
    if(!tail || *tail)
2369
        audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2370
}
2371

    
2372
static void opt_video_tag(const char *arg)
2373
{
2374
    char *tail;
2375
    video_codec_tag= strtol(arg, &tail, 0);
2376

    
2377
    if(!tail || *tail)
2378
        video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2379
}
2380

    
2381
static void add_frame_hooker(const char *arg)
2382
{
2383
    int argc = 0;
2384
    char *argv[64];
2385
    int i;
2386
    char *args = av_strdup(arg);
2387

    
2388
    using_vhook = 1;
2389

    
2390
    argv[0] = strtok(args, " ");
2391
    while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2392
    }
2393

    
2394
    i = frame_hook_add(argc, argv);
2395

    
2396
    if (i != 0) {
2397
        fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2398
        exit(1);
2399
    }
2400
}
2401

    
2402
const char *motion_str[] = {
2403
    "zero",
2404
    "full",
2405
    "log",
2406
    "phods",
2407
    "epzs",
2408
    "x1",
2409
    "hex",
2410
    "umh",
2411
    "iter",
2412
    NULL,
2413
};
2414

    
2415
static void opt_motion_estimation(const char *arg)
2416
{
2417
    const char **p;
2418
    p = motion_str;
2419
    for(;;) {
2420
        if (!*p) {
2421
            fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2422
            exit(1);
2423
        }
2424
        if (!strcmp(*p, arg))
2425
            break;
2426
        p++;
2427
    }
2428
    me_method = (p - motion_str) + 1;
2429
}
2430

    
2431
static void opt_video_codec(const char *arg)
2432
{
2433
    opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2434
}
2435

    
2436
static void opt_subtitle_codec(const char *arg)
2437
{
2438
    opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2439
}
2440

    
2441
static void opt_map(const char *arg)
2442
{
2443
    AVStreamMap *m;
2444
    const char *p;
2445

    
2446
    p = arg;
2447
    m = &stream_maps[nb_stream_maps++];
2448

    
2449
    m->file_index = strtol(arg, (char **)&p, 0);
2450
    if (*p)
2451
        p++;
2452

    
2453
    m->stream_index = strtol(p, (char **)&p, 0);
2454
    if (*p) {
2455
        p++;
2456
        m->sync_file_index = strtol(p, (char **)&p, 0);
2457
        if (*p)
2458
            p++;
2459
        m->sync_stream_index = strtol(p, (char **)&p, 0);
2460
    } else {
2461
        m->sync_file_index = m->file_index;
2462
        m->sync_stream_index = m->stream_index;
2463
    }
2464
}
2465

    
2466
static void opt_map_meta_data(const char *arg)
2467
{
2468
    AVMetaDataMap *m;
2469
    const char *p;
2470

    
2471
    p = arg;
2472
    m = &meta_data_maps[nb_meta_data_maps++];
2473

    
2474
    m->out_file = strtol(arg, (char **)&p, 0);
2475
    if (*p)
2476
        p++;
2477

    
2478
    m->in_file = strtol(p, (char **)&p, 0);
2479
}
2480

    
2481
static void opt_recording_time(const char *arg)
2482
{
2483
    recording_time = parse_date(arg, 1);
2484
}
2485

    
2486
static void opt_start_time(const char *arg)
2487
{
2488
    start_time = parse_date(arg, 1);
2489
}
2490

    
2491
static void opt_rec_timestamp(const char *arg)
2492
{
2493
    rec_timestamp = parse_date(arg, 0) / 1000000;
2494
}
2495

    
2496
static void opt_input_ts_offset(const char *arg)
2497
{
2498
    input_ts_offset = parse_date(arg, 1);
2499
}
2500

    
2501
static void opt_input_file(const char *filename)
2502
{
2503
    AVFormatContext *ic;
2504
    AVFormatParameters params, *ap = &params;
2505
    int err, i, ret, rfps, rfps_base;
2506
    int64_t timestamp;
2507

    
2508
    if (!strcmp(filename, "-"))
2509
        filename = "pipe:";
2510

    
2511
    using_stdin |= !strncmp(filename, "pipe:", 5) ||
2512
                   !strcmp( filename, "/dev/stdin" );
2513

    
2514
    /* get default parameters from command line */
2515
    ic = av_alloc_format_context();
2516

    
2517
    memset(ap, 0, sizeof(*ap));
2518
    ap->prealloced_context = 1;
2519
    ap->sample_rate = audio_sample_rate;
2520
    ap->channels = audio_channels;
2521
    ap->time_base.den = frame_rate;
2522
    ap->time_base.num = frame_rate_base;
2523
    ap->width = frame_width + frame_padleft + frame_padright;
2524
    ap->height = frame_height + frame_padtop + frame_padbottom;
2525
    ap->pix_fmt = frame_pix_fmt;
2526
    ap->channel = video_channel;
2527
    ap->standard = video_standard;
2528
    ap->video_codec_id = video_codec_id;
2529
    ap->audio_codec_id = audio_codec_id;
2530
    if(pgmyuv_compatibility_hack)
2531
        ap->video_codec_id= CODEC_ID_PGMYUV;
2532

    
2533
    for(i=0; i<opt_name_count; i++){
2534
        const AVOption *opt;
2535
        double d= av_get_double(avformat_opts, opt_names[i], &opt);
2536
        if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2537
            av_set_double(ic, opt_names[i], d);
2538
    }
2539
    /* open the input file with generic libav function */
2540
    err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2541
    if (err < 0) {
2542
        print_error(filename, err);
2543
        exit(1);
2544
    }
2545

    
2546
    ic->loop_input = loop_input;
2547

    
2548
    /* If not enough info to get the stream parameters, we decode the
2549
       first frames to get it. (used in mpeg case for example) */
2550
    ret = av_find_stream_info(ic);
2551
    if (ret < 0 && verbose >= 0) {
2552
        fprintf(stderr, "%s: could not find codec parameters\n", filename);
2553
        exit(1);
2554
    }
2555

    
2556
    timestamp = start_time;
2557
    /* add the stream start time */
2558
    if (ic->start_time != AV_NOPTS_VALUE)
2559
        timestamp += ic->start_time;
2560

    
2561
    /* if seeking requested, we execute it */
2562
    if (start_time != 0) {
2563
        ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2564
        if (ret < 0) {
2565
            fprintf(stderr, "%s: could not seek to position %0.3f\n",
2566
                    filename, (double)timestamp / AV_TIME_BASE);
2567
        }
2568
        /* reset seek info */
2569
        start_time = 0;
2570
    }
2571

    
2572
    /* update the current parameters so that they match the one of the input stream */
2573
    for(i=0;i<ic->nb_streams;i++) {
2574
        int j;
2575
        AVCodecContext *enc = ic->streams[i]->codec;
2576
        if(thread_count>1)
2577
            avcodec_thread_init(enc, thread_count);
2578
        enc->thread_count= thread_count;
2579
        switch(enc->codec_type) {
2580
        case CODEC_TYPE_AUDIO:
2581
            for(j=0; j<opt_name_count; j++){
2582
                const AVOption *opt;
2583
                double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2584
                if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2585
                    av_set_double(enc, opt_names[j], d);
2586
            }
2587
            //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2588
            audio_channels = enc->channels;
2589
            audio_sample_rate = enc->sample_rate;
2590
            if(audio_disable)
2591
                ic->streams[i]->discard= AVDISCARD_ALL;
2592
            break;
2593
        case CODEC_TYPE_VIDEO:
2594
            for(j=0; j<opt_name_count; j++){
2595
                const AVOption *opt;
2596
                double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2597
                if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2598
                    av_set_double(enc, opt_names[j], d);
2599
            }
2600
            frame_height = enc->height;
2601
            frame_width = enc->width;
2602
            frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2603
            frame_pix_fmt = enc->pix_fmt;
2604
            rfps      = ic->streams[i]->r_frame_rate.num;
2605
            rfps_base = ic->streams[i]->r_frame_rate.den;
2606
            if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2607
            if(me_threshold)
2608
                enc->debug |= FF_DEBUG_MV;
2609

    
2610
            if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2611

    
2612
                if (verbose >= 0)
2613
                    fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2614
                            i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2615

    
2616
                    (float)rfps / rfps_base, rfps, rfps_base);
2617
            }
2618
            /* update the current frame rate to match the stream frame rate */
2619
            frame_rate      = rfps;
2620
            frame_rate_base = rfps_base;
2621

    
2622
            enc->rate_emu = rate_emu;
2623
            if(video_disable)
2624
                ic->streams[i]->discard= AVDISCARD_ALL;
2625
            else if(video_discard)
2626
                ic->streams[i]->discard= video_discard;
2627
            break;
2628
        case CODEC_TYPE_DATA:
2629
            break;
2630
        case CODEC_TYPE_SUBTITLE:
2631
            break;
2632
        case CODEC_TYPE_UNKNOWN:
2633
            break;
2634
        default:
2635
            av_abort();
2636
        }
2637
    }
2638

    
2639
    input_files[nb_input_files] = ic;
2640
    input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2641
    /* dump the file content */
2642
    if (verbose >= 0)
2643
        dump_format(ic, nb_input_files, filename, 0);
2644

    
2645
    nb_input_files++;
2646
    file_iformat = NULL;
2647
    file_oformat = NULL;
2648

    
2649
    video_channel = 0;
2650

    
2651
    rate_emu = 0;
2652
}
2653

    
2654
static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2655
{
2656
    int has_video, has_audio, i, j;
2657
    AVFormatContext *ic;
2658

    
2659
    has_video = 0;
2660
    has_audio = 0;
2661
    for(j=0;j<nb_input_files;j++) {
2662
        ic = input_files[j];
2663
        for(i=0;i<ic->nb_streams;i++) {
2664
            AVCodecContext *enc = ic->streams[i]->codec;
2665
            switch(enc->codec_type) {
2666
            case CODEC_TYPE_AUDIO:
2667
                has_audio = 1;
2668
                break;
2669
            case CODEC_TYPE_VIDEO:
2670
                has_video = 1;
2671
                break;
2672
            case CODEC_TYPE_DATA:
2673
            case CODEC_TYPE_UNKNOWN:
2674
            case CODEC_TYPE_SUBTITLE:
2675
                break;
2676
            default:
2677
                av_abort();
2678
            }
2679
        }
2680
    }
2681
    *has_video_ptr = has_video;
2682
    *has_audio_ptr = has_audio;
2683
}
2684

    
2685
static void new_video_stream(AVFormatContext *oc)
2686
{
2687
    AVStream *st;
2688
    AVCodecContext *video_enc;
2689
    int codec_id;
2690

    
2691
    st = av_new_stream(oc, oc->nb_streams);
2692
    if (!st) {
2693
        fprintf(stderr, "Could not alloc stream\n");
2694
        exit(1);
2695
    }
2696
    avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2697
    bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2698
    video_bitstream_filters= NULL;
2699

    
2700
    if(thread_count>1)
2701
        avcodec_thread_init(st->codec, thread_count);
2702

    
2703
    video_enc = st->codec;
2704

    
2705
    if(video_codec_tag)
2706
        video_enc->codec_tag= video_codec_tag;
2707

    
2708
    if(   (video_global_header&1)
2709
       || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2710
        video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2711
        avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2712
    }
2713
    if(video_global_header&2){
2714
        video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2715
        avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2716
    }
2717

    
2718
    if (video_stream_copy) {
2719
        st->stream_copy = 1;
2720
        video_enc->codec_type = CODEC_TYPE_VIDEO;
2721
    } else {
2722
        char *p;
2723
        int i;
2724
        AVCodec *codec;
2725

    
2726
        codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2727
        if (video_codec_id != CODEC_ID_NONE)
2728
            codec_id = video_codec_id;
2729

    
2730
        video_enc->codec_id = codec_id;
2731
        codec = avcodec_find_encoder(codec_id);
2732

    
2733
        for(i=0; i<opt_name_count; i++){
2734
             const AVOption *opt;
2735
             double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2736
             if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2737
                 av_set_double(video_enc, opt_names[i], d);
2738
        }
2739

    
2740
        video_enc->time_base.den = frame_rate;
2741
        video_enc->time_base.num = frame_rate_base;
2742
        if(codec && codec->supported_framerates){
2743
            const AVRational *p= codec->supported_framerates;
2744
            AVRational req= (AVRational){frame_rate, frame_rate_base};
2745
            const AVRational *best=NULL;
2746
            AVRational best_error= (AVRational){INT_MAX, 1};
2747
            for(; p->den!=0; p++){
2748
                AVRational error= av_sub_q(req, *p);
2749
                if(error.num <0) error.num *= -1;
2750
                if(av_cmp_q(error, best_error) < 0){
2751
                    best_error= error;
2752
                    best= p;
2753
                }
2754
            }
2755
            video_enc->time_base.den= best->num;
2756
            video_enc->time_base.num= best->den;
2757
        }
2758

    
2759
        video_enc->width = frame_width + frame_padright + frame_padleft;
2760
        video_enc->height = frame_height + frame_padtop + frame_padbottom;
2761
        video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2762
        video_enc->pix_fmt = frame_pix_fmt;
2763

    
2764
        if(codec && codec->pix_fmts){
2765
            const enum PixelFormat *p= codec->pix_fmts;
2766
            for(; *p!=-1; p++){
2767
                if(*p == video_enc->pix_fmt)
2768
                    break;
2769
            }
2770
            if(*p == -1)
2771
                video_enc->pix_fmt = codec->pix_fmts[0];
2772
        }
2773

    
2774
        if (intra_only)
2775
            video_enc->gop_size = 0;
2776
        if (video_qscale || same_quality) {
2777
            video_enc->flags |= CODEC_FLAG_QSCALE;
2778
            video_enc->global_quality=
2779
                st->quality = FF_QP2LAMBDA * video_qscale;
2780
        }
2781

    
2782
        if(intra_matrix)
2783
            video_enc->intra_matrix = intra_matrix;
2784
        if(inter_matrix)
2785
            video_enc->inter_matrix = inter_matrix;
2786

    
2787
        video_enc->max_qdiff = video_qdiff;
2788
        video_enc->rc_eq = video_rc_eq;
2789
        video_enc->thread_count = thread_count;
2790
        p= video_rc_override_string;
2791
        for(i=0; p; i++){
2792
            int start, end, q;
2793
            int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2794
            if(e!=3){
2795
                fprintf(stderr, "error parsing rc_override\n");
2796
                exit(1);
2797
            }
2798
            video_enc->rc_override=
2799
                av_realloc(video_enc->rc_override,
2800
                           sizeof(RcOverride)*(i+1));
2801
            video_enc->rc_override[i].start_frame= start;
2802
            video_enc->rc_override[i].end_frame  = end;
2803
            if(q>0){
2804
                video_enc->rc_override[i].qscale= q;
2805
                video_enc->rc_override[i].quality_factor= 1.0;
2806
            }
2807
            else{
2808
                video_enc->rc_override[i].qscale= 0;
2809
                video_enc->rc_override[i].quality_factor= -q/100.0;
2810
            }
2811
            p= strchr(p, '/');
2812
            if(p) p++;
2813
        }
2814
        video_enc->rc_override_count=i;
2815
        if (!video_enc->rc_initial_buffer_occupancy)
2816
            video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2817
        video_enc->me_threshold= me_threshold;
2818
        video_enc->intra_dc_precision= intra_dc_precision - 8;
2819
        video_enc->strict_std_compliance = strict;
2820

    
2821
        if (do_psnr)
2822
            video_enc->flags|= CODEC_FLAG_PSNR;
2823

    
2824
        video_enc->me_method = me_method;
2825

    
2826
        /* two pass mode */
2827
        if (do_pass) {
2828
            if (do_pass == 1) {
2829
                video_enc->flags |= CODEC_FLAG_PASS1;
2830
            } else {
2831
                video_enc->flags |= CODEC_FLAG_PASS2;
2832
            }
2833
        }
2834
    }
2835

    
2836
    /* reset some key parameters */
2837
    video_disable = 0;
2838
    video_codec_id = CODEC_ID_NONE;
2839
    video_stream_copy = 0;
2840
}
2841

    
2842
static void new_audio_stream(AVFormatContext *oc)
2843
{
2844
    AVStream *st;
2845
    AVCodecContext *audio_enc;
2846
    int codec_id, i;
2847

    
2848
    st = av_new_stream(oc, oc->nb_streams);
2849
    if (!st) {
2850
        fprintf(stderr, "Could not alloc stream\n");
2851
        exit(1);
2852
    }
2853
    avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
2854

    
2855
    bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2856
    audio_bitstream_filters= NULL;
2857

    
2858
    if(thread_count>1)
2859
        avcodec_thread_init(st->codec, thread_count);
2860

    
2861
    audio_enc = st->codec;
2862
    audio_enc->codec_type = CODEC_TYPE_AUDIO;
2863
    audio_enc->strict_std_compliance = strict;
2864

    
2865
    if(audio_codec_tag)
2866
        audio_enc->codec_tag= audio_codec_tag;
2867

    
2868
    if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2869
        audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2870
        avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2871
    }
2872
    if (audio_stream_copy) {
2873
        st->stream_copy = 1;
2874
        audio_enc->channels = audio_channels;
2875
    } else {
2876
        codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2877

    
2878
        for(i=0; i<opt_name_count; i++){
2879
            const AVOption *opt;
2880
            double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2881
            if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2882
                av_set_double(audio_enc, opt_names[i], d);
2883
        }
2884

    
2885
        if (audio_codec_id != CODEC_ID_NONE)
2886
            codec_id = audio_codec_id;
2887
        audio_enc->codec_id = codec_id;
2888

    
2889
        if (audio_qscale > QSCALE_NONE) {
2890
            audio_enc->flags |= CODEC_FLAG_QSCALE;
2891
            audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2892
        }
2893
        audio_enc->thread_count = thread_count;
2894
        audio_enc->channels = audio_channels;
2895
    }
2896
    audio_enc->sample_rate = audio_sample_rate;
2897
    audio_enc->time_base= (AVRational){1, audio_sample_rate};
2898
    if (audio_language) {
2899
        pstrcpy(st->language, sizeof(st->language), audio_language);
2900
        av_free(audio_language);
2901
        audio_language = NULL;
2902
    }
2903

    
2904
    /* reset some key parameters */
2905
    audio_disable = 0;
2906
    audio_codec_id = CODEC_ID_NONE;
2907
    audio_stream_copy = 0;
2908
}
2909

    
2910
static void opt_new_subtitle_stream(void)
2911
{
2912
    AVFormatContext *oc;
2913
    AVStream *st;
2914
    AVCodecContext *subtitle_enc;
2915
    int i;
2916

    
2917
    if (nb_output_files <= 0) {
2918
        fprintf(stderr, "At least one output file must be specified\n");
2919
        exit(1);
2920
    }
2921
    oc = output_files[nb_output_files - 1];
2922

    
2923
    st = av_new_stream(oc, oc->nb_streams);
2924
    if (!st) {
2925
        fprintf(stderr, "Could not alloc stream\n");
2926
        exit(1);
2927
    }
2928
    avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
2929

    
2930
    subtitle_enc = st->codec;
2931
    subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2932
    if (subtitle_stream_copy) {
2933
        st->stream_copy = 1;
2934
    } else {
2935
        for(i=0; i<opt_name_count; i++){
2936
             const AVOption *opt;
2937
             double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2938
             if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2939
                 av_set_double(subtitle_enc, opt_names[i], d);
2940
        }
2941
        subtitle_enc->codec_id = subtitle_codec_id;
2942
    }
2943

    
2944
    if (subtitle_language) {
2945
        pstrcpy(st->language, sizeof(st->language), subtitle_language);
2946
        av_free(subtitle_language);
2947
        subtitle_language = NULL;
2948
    }
2949

    
2950
    subtitle_codec_id = CODEC_ID_NONE;
2951
    subtitle_stream_copy = 0;
2952
}
2953

    
2954
static void opt_new_audio_stream(void)
2955
{
2956
    AVFormatContext *oc;
2957
    if (nb_output_files <= 0) {
2958
        fprintf(stderr, "At least one output file must be specified\n");
2959
        exit(1);
2960
    }
2961
    oc = output_files[nb_output_files - 1];
2962
    new_audio_stream(oc);
2963
}
2964

    
2965
static void opt_new_video_stream(void)
2966
{
2967
    AVFormatContext *oc;
2968
    if (nb_output_files <= 0) {
2969
        fprintf(stderr, "At least one output file must be specified\n");
2970
        exit(1);
2971
    }
2972
    oc = output_files[nb_output_files - 1];
2973
    new_video_stream(oc);
2974
}
2975

    
2976
static void opt_output_file(const char *filename)
2977
{
2978
    AVFormatContext *oc;
2979
    int use_video, use_audio, input_has_video, input_has_audio, i;
2980
    AVFormatParameters params, *ap = &params;
2981

    
2982
    if (!strcmp(filename, "-"))
2983
        filename = "pipe:";
2984

    
2985
    oc = av_alloc_format_context();
2986

    
2987
    if (!file_oformat) {
2988
        file_oformat = guess_format(NULL, filename, NULL);
2989
        if (!file_oformat) {
2990
            fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2991
                    filename);
2992
            exit(1);
2993
        }
2994
    }
2995

    
2996
    oc->oformat = file_oformat;
2997
    pstrcpy(oc->filename, sizeof(oc->filename), filename);
2998

    
2999
    if (!strcmp(file_oformat->name, "ffm") &&
3000
        strstart(filename, "http:", NULL)) {
3001
        /* special case for files sent to ffserver: we get the stream
3002
           parameters from ffserver */
3003
        if (read_ffserver_streams(oc, filename) < 0) {
3004
            fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3005
            exit(1);
3006
        }
3007
    } else {
3008
        use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_id != CODEC_ID_NONE;
3009
        use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_id != CODEC_ID_NONE;
3010

    
3011
        /* disable if no corresponding type found and at least one
3012
           input file */
3013
        if (nb_input_files > 0) {
3014
            check_audio_video_inputs(&input_has_video, &input_has_audio);
3015
            if (!input_has_video)
3016
                use_video = 0;
3017
            if (!input_has_audio)
3018
                use_audio = 0;
3019
        }
3020

    
3021
        /* manual disable */
3022
        if (audio_disable) {
3023
            use_audio = 0;
3024
        }
3025
        if (video_disable) {
3026
            use_video = 0;
3027
        }
3028

    
3029
        if (use_video) {
3030
            new_video_stream(oc);
3031
        }
3032

    
3033
        if (use_audio) {
3034
            new_audio_stream(oc);
3035
        }
3036

    
3037
        oc->timestamp = rec_timestamp;
3038

    
3039
        if (str_title)
3040
            pstrcpy(oc->title, sizeof(oc->title), str_title);
3041
        if (str_author)
3042
            pstrcpy(oc->author, sizeof(oc->author), str_author);
3043
        if (str_copyright)
3044
            pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3045
        if (str_comment)
3046
            pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3047
        if (str_album)
3048
            pstrcpy(oc->album, sizeof(oc->album), str_album);
3049
    }
3050

    
3051
    output_files[nb_output_files++] = oc;
3052

    
3053
    /* check filename in case of an image number is expected */
3054
    if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3055
        if (!av_filename_number_test(oc->filename)) {
3056
            print_error(oc->filename, AVERROR_NUMEXPECTED);
3057
            exit(1);
3058
        }
3059
    }
3060

    
3061
    if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3062
        /* test if it already exists to avoid loosing precious files */
3063
        if (!file_overwrite &&
3064
            (strchr(filename, ':') == NULL ||
3065
             strstart(filename, "file:", NULL))) {
3066
            if (url_exist(filename)) {
3067
                int c;
3068

    
3069
                if ( !using_stdin ) {
3070
                    fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3071
                    fflush(stderr);
3072
                    c = getchar();
3073
                    if (toupper(c) != 'Y') {
3074
                        fprintf(stderr, "Not overwriting - exiting\n");
3075
                        exit(1);
3076
                    }
3077
                                }
3078
                                else {
3079
                    fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3080
                    exit(1);
3081
                                }
3082
            }
3083
        }
3084

    
3085
        /* open the file */
3086
        if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3087
            fprintf(stderr, "Could not open '%s'\n", filename);
3088
            exit(1);
3089
        }
3090
    }
3091

    
3092
    memset(ap, 0, sizeof(*ap));
3093
    if (av_set_parameters(oc, ap) < 0) {
3094
        fprintf(stderr, "%s: Invalid encoding parameters\n",
3095
                oc->filename);
3096
        exit(1);
3097
    }
3098

    
3099
    oc->preload= (int)(mux_preload*AV_TIME_BASE);
3100
    oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3101
    oc->loop_output = loop_output;
3102

    
3103
    for(i=0; i<opt_name_count; i++){
3104
        const AVOption *opt;
3105
        double d = av_get_double(avformat_opts, opt_names[i], &opt);
3106
        if(d==d && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3107
            av_set_double(oc, opt_names[i], d);
3108
    }
3109

    
3110
    /* reset some options */
3111
    file_oformat = NULL;
3112
    file_iformat = NULL;
3113
}
3114

    
3115
/* same option as mencoder */
3116
static void opt_pass(const char *pass_str)
3117
{
3118
    int pass;
3119
    pass = atoi(pass_str);
3120
    if (pass != 1 && pass != 2) {
3121
        fprintf(stderr, "pass number can be only 1 or 2\n");
3122
        exit(1);
3123
    }
3124
    do_pass = pass;
3125
}
3126

    
3127
#if defined(__MINGW32__) || defined(CONFIG_OS2)
3128
static int64_t getutime(void)
3129
{
3130
  return av_gettime();
3131
}
3132
#else
3133
static int64_t getutime(void)
3134
{
3135
    struct rusage rusage;
3136

    
3137
    getrusage(RUSAGE_SELF, &rusage);
3138
    return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3139
}
3140
#endif
3141

    
3142
#if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3143
extern int ffm_nopts;
3144
#endif
3145

    
3146
static void show_formats(void)
3147
{
3148
    AVInputFormat *ifmt;
3149
    AVOutputFormat *ofmt;
3150
    URLProtocol *up;
3151
    AVCodec *p, *p2;
3152
    const char **pp, *last_name;
3153

    
3154
    printf("File formats:\n");
3155
    last_name= "000";
3156
    for(;;){
3157
        int decode=0;
3158
        int encode=0;
3159
        const char *name=NULL;
3160
        const char *long_name=NULL;
3161

    
3162
        for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3163
            if((name == NULL || strcmp(ofmt->name, name)<0) &&
3164
                strcmp(ofmt->name, last_name)>0){
3165
                name= ofmt->name;
3166
                long_name= ofmt->long_name;
3167
                encode=1;
3168
            }
3169
        }
3170
        for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3171
            if((name == NULL || strcmp(ifmt->name, name)<0) &&
3172
                strcmp(ifmt->name, last_name)>0){
3173
                name= ifmt->name;
3174
                long_name= ifmt->long_name;
3175
                encode=0;
3176
            }
3177
            if(name && strcmp(ifmt->name, name)==0)
3178
                decode=1;
3179
        }
3180
        if(name==NULL)
3181
            break;
3182
        last_name= name;
3183

    
3184
        printf(
3185
            " %s%s %-15s %s\n",
3186
            decode ? "D":" ",
3187
            encode ? "E":" ",
3188
            name,
3189
            long_name ? long_name:" ");
3190
    }
3191
    printf("\n");
3192

    
3193
    printf("Codecs:\n");
3194
    last_name= "000";
3195
    for(;;){
3196
        int decode=0;
3197
        int encode=0;
3198
        int cap=0;
3199
        const char *type_str;
3200

    
3201
        p2=NULL;
3202
        for(p = first_avcodec; p != NULL; p = p->next) {
3203
            if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3204
                strcmp(p->name, last_name)>0){
3205
                p2= p;
3206
                decode= encode= cap=0;
3207
            }
3208
            if(p2 && strcmp(p->name, p2->name)==0){
3209
                if(p->decode) decode=1;
3210
                if(p->encode) encode=1;
3211
                cap |= p->capabilities;
3212
            }
3213
        }
3214
        if(p2==NULL)
3215
            break;
3216
        last_name= p2->name;
3217

    
3218
        switch(p2->type) {
3219
        case CODEC_TYPE_VIDEO:
3220
            type_str = "V";
3221
            break;
3222
        case CODEC_TYPE_AUDIO:
3223
            type_str = "A";
3224
            break;
3225
        case CODEC_TYPE_SUBTITLE:
3226
            type_str = "S";
3227
            break;
3228
        default:
3229
            type_str = "?";
3230
            break;
3231
        }
3232
        printf(
3233
            " %s%s%s%s%s%s %s",
3234
            decode ? "D": (/*p2->decoder ? "d":*/" "),
3235
            encode ? "E":" ",
3236
            type_str,
3237
            cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3238
            cap & CODEC_CAP_DR1 ? "D":" ",
3239
            cap & CODEC_CAP_TRUNCATED ? "T":" ",
3240
            p2->name);
3241
       /* if(p2->decoder && decode==0)
3242
            printf(" use %s for decoding", p2->decoder->name);*/
3243
        printf("\n");
3244
    }
3245
    printf("\n");
3246

    
3247
    printf("Supported file protocols:\n");
3248
    for(up = first_protocol; up != NULL; up = up->next)
3249
        printf(" %s:", up->name);
3250
    printf("\n");
3251

    
3252
    printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3253
    printf("Motion estimation methods:\n");
3254
    pp = motion_str;
3255
    while (*pp) {
3256
        printf(" %s", *pp);
3257
        if ((pp - motion_str + 1) == ME_ZERO)
3258
            printf("(fastest)");
3259
        else if ((pp - motion_str + 1) == ME_FULL)
3260
            printf("(slowest)");
3261
        else if ((pp - motion_str + 1) == ME_EPZS)
3262
            printf("(default)");
3263
        pp++;
3264
    }
3265
    printf("\n\n");
3266
    printf(
3267
"Note, the names of encoders and decoders dont always match, so there are\n"
3268
"several cases where the above table shows encoder only or decoder only entries\n"
3269
"even though both encoding and decoding are supported for example, the h263\n"
3270
"decoder corresponds to the h263 and h263p encoders, for file formats its even\n"
3271
"worse\n");
3272
    exit(1);
3273
}
3274

    
3275
static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3276
{
3277
    int i;
3278
    const char *p = str;
3279
    for(i = 0;; i++) {
3280
        dest[i] = atoi(p);
3281
        if(i == 63)
3282
            break;
3283
        p = strchr(p, ',');
3284
        if(!p) {
3285
            fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3286
            exit(1);
3287
        }
3288
        p++;
3289
    }
3290
}
3291

    
3292
static void opt_inter_matrix(const char *arg)
3293
{
3294
    inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3295
    parse_matrix_coeffs(inter_matrix, arg);
3296
}
3297

    
3298
static void opt_intra_matrix(const char *arg)
3299
{
3300
    intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3301
    parse_matrix_coeffs(intra_matrix, arg);
3302
}
3303

    
3304
static void opt_target(const char *arg)
3305
{
3306
    int norm = -1;
3307
    static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3308

    
3309
    if(!strncmp(arg, "pal-", 4)) {
3310
        norm = 0;
3311
        arg += 4;
3312
    } else if(!strncmp(arg, "ntsc-", 5)) {
3313
        norm = 1;
3314
        arg += 5;
3315
    } else if(!strncmp(arg, "film-", 5)) {
3316
        norm = 2;
3317
        arg += 5;
3318
    } else {
3319
        int fr;
3320
        /* Calculate FR via float to avoid int overflow */
3321
        fr = (int)(frame_rate * 1000.0 / frame_rate_base);
3322
        if(fr == 25000) {
3323
            norm = 0;
3324
        } else if((fr == 29970) || (fr == 23976)) {
3325
            norm = 1;
3326
        } else {
3327
            /* Try to determine PAL/NTSC by peeking in the input files */
3328
            if(nb_input_files) {
3329
                int i, j;
3330
                for(j = 0; j < nb_input_files; j++) {
3331
                    for(i = 0; i < input_files[j]->nb_streams; i++) {
3332
                        AVCodecContext *c = input_files[j]->streams[i]->codec;
3333
                        if(c->codec_type != CODEC_TYPE_VIDEO)
3334
                            continue;
3335
                        fr = c->time_base.den * 1000 / c->time_base.num;
3336
                        if(fr == 25000) {
3337
                            norm = 0;
3338
                            break;
3339
                        } else if((fr == 29970) || (fr == 23976)) {
3340
                            norm = 1;
3341
                            break;
3342
                        }
3343
                    }
3344
                    if(norm >= 0)
3345
                        break;
3346
                }
3347
            }
3348
        }
3349
        if(verbose && norm >= 0)
3350
            fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3351
    }
3352

    
3353
    if(norm < 0) {
3354
        fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3355
        fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3356
        fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3357
        exit(1);
3358
    }
3359

    
3360
    if(!strcmp(arg, "vcd")) {
3361

    
3362
        opt_video_codec("mpeg1video");
3363
        opt_audio_codec("mp2");
3364
        opt_format("vcd");
3365

    
3366
        opt_frame_size(norm ? "352x240" : "352x288");
3367
        opt_frame_rate(frame_rates[norm]);
3368
        opt_default("gop", norm ? "18" : "15");
3369

    
3370
        opt_default("b", "1150000");
3371
        opt_default("maxrate", "1150000");
3372
        opt_default("minrate", "1150000");
3373
        opt_default("bufsize", "327680"); // 40*1024*8;
3374

    
3375
        opt_default("ab", "224000");
3376
        audio_sample_rate = 44100;
3377
        audio_channels = 2;
3378

    
3379
        opt_default("packetsize", "2324");
3380
        opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3381

    
3382
        /* We have to offset the PTS, so that it is consistent with the SCR.
3383
           SCR starts at 36000, but the first two packs contain only padding
3384
           and the first pack from the other stream, respectively, may also have
3385
           been written before.
3386
           So the real data starts at SCR 36000+3*1200. */
3387
        mux_preload= (36000+3*1200) / 90000.0; //0.44
3388
    } else if(!strcmp(arg, "svcd")) {
3389

    
3390
        opt_video_codec("mpeg2video");
3391
        opt_audio_codec("mp2");
3392
        opt_format("svcd");
3393

    
3394
        opt_frame_size(norm ? "480x480" : "480x576");
3395
        opt_frame_rate(frame_rates[norm]);
3396
        opt_default("gop", norm ? "18" : "15");
3397

    
3398
        opt_default("b", "2040000");
3399
        opt_default("maxrate", "2516000");
3400
        opt_default("minrate", "0"); //1145000;
3401
        opt_default("bufsize", "1835008"); //224*1024*8;
3402
        opt_default("flags", "+SCAN_OFFSET");
3403

    
3404

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

    
3408
        opt_default("packetsize", "2324");
3409

    
3410
    } else if(!strcmp(arg, "dvd")) {
3411

    
3412
        opt_video_codec("mpeg2video");
3413
        opt_audio_codec("ac3");
3414
        opt_format("dvd");
3415

    
3416
        opt_frame_size(norm ? "720x480" : "720x576");
3417
        opt_frame_rate(frame_rates[norm]);
3418
        opt_default("gop", norm ? "18" : "15");
3419

    
3420
        opt_default("b", "6000000");
3421
        opt_default("maxrate", "9000000");
3422
        opt_default("minrate", "0"); //1500000;
3423
        opt_default("bufsize", "1835008"); //224*1024*8;
3424

    
3425
        opt_default("packetsize", "2048");  // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3426
        opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3427

    
3428
        opt_default("ab", "448000");
3429
        audio_sample_rate = 48000;
3430

    
3431
    } else if(!strncmp(arg, "dv", 2)) {
3432

    
3433
        opt_format("dv");
3434

    
3435
        opt_frame_size(norm ? "720x480" : "720x576");
3436
        opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3437
                                             (norm ? "yuv411p" : "yuv420p"));
3438
        opt_frame_rate(frame_rates[norm]);
3439

    
3440
        audio_sample_rate = 48000;
3441
        audio_channels = 2;
3442

    
3443
    } else {
3444
        fprintf(stderr, "Unknown target: %s\n", arg);
3445
        exit(1);
3446
    }
3447
}
3448

    
3449
static void opt_video_bsf(const char *arg)
3450
{
3451
    AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3452
    AVBitStreamFilterContext **bsfp;
3453

    
3454
    if(!bsfc){
3455
        fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3456
        exit(1);
3457
    }
3458

    
3459
    bsfp= &video_bitstream_filters;
3460
    while(*bsfp)
3461
        bsfp= &(*bsfp)->next;
3462

    
3463
    *bsfp= bsfc;
3464
}
3465

    
3466
//FIXME avoid audio - video code duplication
3467
static void opt_audio_bsf(const char *arg)
3468
{
3469
    AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3470
    AVBitStreamFilterContext **bsfp;
3471

    
3472
    if(!bsfc){
3473
        fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3474
        exit(1);
3475
    }
3476

    
3477
    bsfp= &audio_bitstream_filters;
3478
    while(*bsfp)
3479
        bsfp= &(*bsfp)->next;
3480

    
3481
    *bsfp= bsfc;
3482
}
3483

    
3484
static void show_version(void)
3485
{
3486
    /* TODO: add function interface to avutil and avformat */
3487
    fprintf(stderr, "ffmpeg      " FFMPEG_VERSION "\n"
3488
           "libavutil   %d\n"
3489
           "libavcodec  %d\n"
3490
           "libavformat %d\n",
3491
           LIBAVUTIL_BUILD, avcodec_build(), LIBAVFORMAT_BUILD);
3492
    exit(1);
3493
}
3494

    
3495
static int opt_default(const char *opt, const char *arg){
3496
    int type;
3497
    const AVOption *o= NULL;
3498
    int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
3499

    
3500
    for(type=0; type<CODEC_TYPE_NB; type++){
3501
        const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
3502
        if(o2)
3503
            o = av_set_string(avctx_opts[type], opt, arg);
3504
    }
3505
    if(!o)
3506
        o = av_set_string(avformat_opts, opt, arg);
3507
    if(!o){
3508
        if(opt[0] == 'a')
3509
            o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
3510
        else if(opt[0] == 'v')
3511
            o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
3512
        else if(opt[0] == 's')
3513
            o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
3514
    }
3515
    if(!o)
3516
        return -1;
3517

    
3518
//    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));
3519

    
3520
    //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
3521
    opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
3522
    opt_names[opt_name_count++]= o->name;
3523

    
3524
#if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3525
    /* disable generate of real time pts in ffm (need to be supressed anyway) */
3526
    if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
3527
        ffm_nopts = 1;
3528
#endif
3529

    
3530
    if(avctx_opts[0]->debug)
3531
        av_log_level = AV_LOG_DEBUG;
3532
    return 0;
3533
}
3534

    
3535
const OptionDef options[] = {
3536
    /* main options */
3537
    { "L", 0, {(void*)show_license}, "show license" },
3538
    { "h", 0, {(void*)show_help}, "show help" },
3539
    { "version", 0, {(void*)show_version}, "show version" },
3540
    { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3541
    { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3542
    { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3543
    { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3544
    { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3545
    { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3546
    { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
3547
    { "fs", HAS_ARG | OPT_INT, {(void*)&limit_filesize}, "set the limit file size", "limit_size" }, //
3548
    { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3549
    { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3550
    { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3551
    { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3552
    { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3553
    { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3554
    { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3555
    { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3556
    { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3557
      "add timings for benchmarking" },
3558
    { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3559
      "dump each input packet" },
3560
    { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3561
      "when dumping packets, also dump the payload" },
3562
    { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3563
    { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3564
    { "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)", "" },
3565
    { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3566
    { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3567
    { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3568
    { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3569
    { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3570
    { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3571
    { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)&copy_ts}, "copy timestamps" },
3572
    { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3573
    { "dts_delta_threshold", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3574

    
3575
    /* video options */
3576
    { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3577
    { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3578
    { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3579
    { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3580
    { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3581
    { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
3582
    { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3583
    { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3584
    { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3585
    { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3586
    { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3587
    { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3588
    { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3589
    { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3590
    { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3591
    { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3592
    { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3593
    { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3594
    { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3595
    { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3596
    { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
3597
    { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3598
    { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3599
    { "me", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_motion_estimation}, "set motion estimation method",
3600
      "method" },
3601
    { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold",  "" },
3602
    { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3603
    { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3604
      "use same video quality as source (implies VBR)" },
3605
    { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3606
    { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3607
    { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3608
      "deinterlace pictures" },
3609
    { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3610
    { "vstats", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_vstats}, "dump video coding statistics to file" },
3611
    { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3612
    { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3613
    { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3614
    { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3615
    { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3616
    { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3617
    { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3618
    { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3619

    
3620
    /* audio options */
3621
    { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3622
    { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3623
    { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3624
    { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3625
    { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3626
    { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3627
    { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3628
    { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3629
    { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3630
    { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3631

    
3632
    /* subtitle options */
3633
    { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3634
    { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3635
    { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3636

    
3637
    /* grab options */
3638
    { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3639
    { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3640
    { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3641

    
3642
    /* muxer options */
3643
    { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3644
    { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3645

    
3646
    { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_audio_bsf}, "", "bitstream filter" },
3647
    { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_video_bsf}, "", "bitstream filter" },
3648

    
3649
    { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3650
    { NULL, },
3651
};
3652

    
3653
static void show_banner(void)
3654
{
3655
    fprintf(stderr, "FFmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2007 Fabrice Bellard, et al.\n");
3656
    fprintf(stderr, "  configuration: " FFMPEG_CONFIGURATION "\n");
3657
    fprintf(stderr, "  libavutil version: " AV_STRINGIFY(LIBAVUTIL_VERSION) "\n");
3658
    fprintf(stderr, "  libavcodec version: " AV_STRINGIFY(LIBAVCODEC_VERSION) "\n");
3659
    fprintf(stderr, "  libavformat version: " AV_STRINGIFY(LIBAVFORMAT_VERSION) "\n");
3660
    fprintf(stderr, "  built on " __DATE__ " " __TIME__);
3661
#ifdef __GNUC__
3662
    fprintf(stderr, ", gcc: " __VERSION__ "\n");
3663
#else
3664
    fprintf(stderr, ", using a non-gcc compiler\n");
3665
#endif
3666
}
3667

    
3668
static void show_license(void)
3669
{
3670
    show_banner();
3671
#ifdef CONFIG_GPL
3672
    printf(
3673
    "FFmpeg is free software; you can redistribute it and/or modify\n"
3674
    "it under the terms of the GNU General Public License as published by\n"
3675
    "the Free Software Foundation; either version 2 of the License, or\n"
3676
    "(at your option) any later version.\n"
3677
    "\n"
3678
    "FFmpeg is distributed in the hope that it will be useful,\n"
3679
    "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3680
    "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
3681
    "GNU General Public License for more details.\n"
3682
    "\n"
3683
    "You should have received a copy of the GNU General Public License\n"
3684
    "along with FFmpeg; if not, write to the Free Software\n"
3685
    "Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA\n"
3686
    );
3687
#else
3688
    printf(
3689
    "FFmpeg is free software; you can redistribute it and/or\n"
3690
    "modify it under the terms of the GNU Lesser General Public\n"
3691
    "License as published by the Free Software Foundation; either\n"
3692
    "version 2.1 of the License, or (at your option) any later version.\n"
3693
    "\n"
3694
    "FFmpeg is distributed in the hope that it will be useful,\n"
3695
    "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3696
    "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\n"
3697
    "Lesser General Public License for more details.\n"
3698
    "\n"
3699
    "You should have received a copy of the GNU Lesser General Public\n"
3700
    "License along with FFmpeg; if not, write to the Free Software\n"
3701
    "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
3702
    );
3703
#endif
3704
    exit(1);
3705
}
3706

    
3707
static void show_help(void)
3708
{
3709
    show_banner();
3710
    printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3711
           "Hyper fast Audio and Video encoder\n");
3712
    printf("\n");
3713
    show_help_options(options, "Main options:\n",
3714
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3715
    show_help_options(options, "\nVideo options:\n",
3716
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3717
                      OPT_VIDEO);
3718
    show_help_options(options, "\nAdvanced Video options:\n",
3719
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3720
                      OPT_VIDEO | OPT_EXPERT);
3721
    show_help_options(options, "\nAudio options:\n",
3722
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3723
                      OPT_AUDIO);
3724
    show_help_options(options, "\nAdvanced Audio options:\n",
3725
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3726
                      OPT_AUDIO | OPT_EXPERT);
3727
    show_help_options(options, "\nSubtitle options:\n",
3728
                      OPT_SUBTITLE | OPT_GRAB,
3729
                      OPT_SUBTITLE);
3730
    show_help_options(options, "\nAudio/Video grab options:\n",
3731
                      OPT_GRAB,
3732
                      OPT_GRAB);
3733
    show_help_options(options, "\nAdvanced options:\n",
3734
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3735
                      OPT_EXPERT);
3736
    av_opt_show(avctx_opts[0], NULL);
3737
    av_opt_show(avformat_opts, NULL);
3738

    
3739
    exit(1);
3740
}
3741

    
3742
void parse_arg_file(const char *filename)
3743
{
3744
    opt_output_file(filename);
3745
}
3746

    
3747
int main(int argc, char **argv)
3748
{
3749
    int i;
3750
    int64_t ti;
3751

    
3752
    av_register_all();
3753

    
3754
    for(i=0; i<CODEC_TYPE_NB; i++){
3755
        avctx_opts[i]= avcodec_alloc_context2(i);
3756
    }
3757
    avformat_opts = av_alloc_format_context();
3758

    
3759
    if (argc <= 1)
3760
        show_help();
3761
    else
3762
        show_banner();
3763

    
3764
    /* parse options */
3765
    parse_options(argc, argv, options);
3766

    
3767
    /* file converter / grab */
3768
    if (nb_output_files <= 0) {
3769
        fprintf(stderr, "Must supply at least one output file\n");
3770
        exit(1);
3771
    }
3772

    
3773
    if (nb_input_files == 0) {
3774
        fprintf(stderr, "Must supply at least one input file\n");
3775
        exit(1);
3776
    }
3777

    
3778
    ti = getutime();
3779
    av_encode(output_files, nb_output_files, input_files, nb_input_files,
3780
              stream_maps, nb_stream_maps);
3781
    ti = getutime() - ti;
3782
    if (do_benchmark) {
3783
        printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3784
    }
3785

    
3786
    /* close files */
3787
    for(i=0;i<nb_output_files;i++) {
3788
        /* maybe av_close_output_file ??? */
3789
        AVFormatContext *s = output_files[i];
3790
        int j;
3791
        if (!(s->oformat->flags & AVFMT_NOFILE))
3792
            url_fclose(&s->pb);
3793
        for(j=0;j<s->nb_streams;j++) {
3794
            av_free(s->streams[j]->codec);
3795
            av_free(s->streams[j]);
3796
        }
3797
        av_free(s);
3798
    }
3799
    for(i=0;i<nb_input_files;i++)
3800
        av_close_input_file(input_files[i]);
3801

    
3802
    av_free_static();
3803

    
3804
    av_free(intra_matrix);
3805
    av_free(inter_matrix);
3806
    av_free(opt_names);
3807

    
3808
#ifdef CONFIG_POWERPC_PERF
3809
    extern void powerpc_display_perf_report(void);
3810
    powerpc_display_perf_report();
3811
#endif /* CONFIG_POWERPC_PERF */
3812

    
3813
    if (received_sigterm) {
3814
        fprintf(stderr,
3815
            "Received signal %d: terminating.\n",
3816
            (int) received_sigterm);
3817
        exit (255);
3818
    }
3819

    
3820
    exit(0); /* not all OS-es handle main() return value */
3821
    return 0;
3822
}