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ffmpeg / ffmpeg.c @ 6c4d4fa3

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

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

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

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

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

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

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

    
64
#undef exit
65

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

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

    
80
extern const OptionDef options[];
81

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

    
86
#define MAX_FILES 20
87

    
88
static AVFormatContext *input_files[MAX_FILES];
89
static int64_t input_files_ts_offset[MAX_FILES];
90
static int nb_input_files = 0;
91

    
92
static AVFormatContext *output_files[MAX_FILES];
93
static int nb_output_files = 0;
94

    
95
static AVStreamMap stream_maps[MAX_FILES];
96
static int nb_stream_maps;
97

    
98
static AVMetaDataMap meta_data_maps[MAX_FILES];
99
static int nb_meta_data_maps;
100

    
101
static AVInputFormat *file_iformat;
102
static AVOutputFormat *file_oformat;
103
static int frame_width  = 0;
104
static int frame_height = 0;
105
static float frame_aspect_ratio = 0;
106
static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
107
static int frame_padtop  = 0;
108
static int frame_padbottom = 0;
109
static int frame_padleft  = 0;
110
static int frame_padright = 0;
111
static int padcolor[3] = {16,128,128}; /* default to black */
112
static int frame_topBand  = 0;
113
static int frame_bottomBand = 0;
114
static int frame_leftBand  = 0;
115
static int frame_rightBand = 0;
116
static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
117
static AVRational frame_rate = (AVRational) {25,1};
118
static float video_qscale = 0;
119
static int video_qdiff = 3;
120
static uint16_t *intra_matrix = NULL;
121
static uint16_t *inter_matrix = NULL;
122
#if 0 //experimental, (can be removed)
123
static float video_rc_qsquish=1.0;
124
static float video_rc_qmod_amp=0;
125
static int video_rc_qmod_freq=0;
126
#endif
127
static char *video_rc_override_string=NULL;
128
static char *video_rc_eq="tex^qComp";
129
static int video_disable = 0;
130
static int video_discard = 0;
131
static int video_codec_id = CODEC_ID_NONE;
132
static int video_codec_tag = 0;
133
static int same_quality = 0;
134
static int do_deinterlace = 0;
135
static int strict = 0;
136
static int top_field_first = -1;
137
static int me_threshold = 0;
138
static int intra_dc_precision = 8;
139
static int loop_input = 0;
140
static int loop_output = AVFMT_NOOUTPUTLOOP;
141
static int qp_hist = 0;
142

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

    
153
static int subtitle_codec_id = CODEC_ID_NONE;
154
static char *subtitle_language = NULL;
155

    
156
static float mux_preload= 0.5;
157
static float mux_max_delay= 0.7;
158

    
159
static int64_t recording_time = 0;
160
static int64_t start_time = 0;
161
static int64_t rec_timestamp = 0;
162
static int64_t input_ts_offset = 0;
163
static int file_overwrite = 0;
164
static char *str_title = NULL;
165
static char *str_author = NULL;
166
static char *str_copyright = NULL;
167
static char *str_comment = NULL;
168
static char *str_album = NULL;
169
static int do_benchmark = 0;
170
static int do_hex_dump = 0;
171
static int do_pkt_dump = 0;
172
static int do_psnr = 0;
173
static int do_pass = 0;
174
static char *pass_logfilename = NULL;
175
static int audio_stream_copy = 0;
176
static int video_stream_copy = 0;
177
static int subtitle_stream_copy = 0;
178
static int video_sync_method= 1;
179
static int audio_sync_method= 0;
180
static int copy_ts= 0;
181
static int opt_shortest = 0; //
182
static int video_global_header = 0;
183
static char *vstats_filename;
184
static FILE *fvstats;
185

    
186
static int rate_emu = 0;
187

    
188
static int  video_channel = 0;
189
static char *video_standard;
190

    
191
static int audio_volume = 256;
192

    
193
static int using_stdin = 0;
194
static int using_vhook = 0;
195
static int verbose = 1;
196
static int thread_count= 1;
197
static int q_pressed = 0;
198
static int64_t video_size = 0;
199
static int64_t audio_size = 0;
200
static int64_t extra_size = 0;
201
static int nb_frames_dup = 0;
202
static int nb_frames_drop = 0;
203
static int input_sync;
204
static uint64_t limit_filesize = 0; //
205

    
206
static int pgmyuv_compatibility_hack=0;
207
static int dts_delta_threshold = 10;
208

    
209
static int sws_flags = SWS_BICUBIC;
210

    
211
static const char **opt_names;
212
static int opt_name_count;
213
static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
214
static AVFormatContext *avformat_opts;
215
static struct SwsContext *sws_opts;
216
static int64_t timer_start;
217

    
218
static AVBitStreamFilterContext *video_bitstream_filters=NULL;
219
static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
220
static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
221

    
222
#define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
223

    
224
struct AVInputStream;
225

    
226
typedef struct AVOutputStream {
227
    int file_index;          /* file index */
228
    int index;               /* stream index in the output file */
229
    int source_index;        /* AVInputStream index */
230
    AVStream *st;            /* stream in the output file */
231
    int encoding_needed;     /* true if encoding needed for this stream */
232
    int frame_number;
233
    /* input pts and corresponding output pts
234
       for A/V sync */
235
    //double sync_ipts;        /* dts from the AVPacket of the demuxer in second units */
236
    struct AVInputStream *sync_ist; /* input stream to sync against */
237
    int64_t sync_opts;       /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
238
    /* video only */
239
    int video_resample;
240
    AVFrame pict_tmp;      /* temporary image for resampling */
241
    struct SwsContext *img_resample_ctx; /* for image resampling */
242
    int resample_height;
243

    
244
    int video_crop;
245
    int topBand;             /* cropping area sizes */
246
    int leftBand;
247

    
248
    int video_pad;
249
    int padtop;              /* padding area sizes */
250
    int padbottom;
251
    int padleft;
252
    int padright;
253

    
254
    /* audio only */
255
    int audio_resample;
256
    ReSampleContext *resample; /* for audio resampling */
257
    AVFifoBuffer fifo;     /* for compression: one audio fifo per codec */
258
    FILE *logfile;
259
} AVOutputStream;
260

    
261
typedef struct AVInputStream {
262
    int file_index;
263
    int index;
264
    AVStream *st;
265
    int discard;             /* true if stream data should be discarded */
266
    int decoding_needed;     /* true if the packets must be decoded in 'raw_fifo' */
267
    int64_t sample_index;      /* current sample */
268

    
269
    int64_t       start;     /* time when read started */
270
    unsigned long frame;     /* current frame */
271
    int64_t       next_pts;  /* synthetic pts for cases where pkt.pts
272
                                is not defined */
273
    int64_t       pts;       /* current pts */
274
    int is_start;            /* is 1 at the start and after a discontinuity */
275
} AVInputStream;
276

    
277
typedef struct AVInputFile {
278
    int eof_reached;      /* true if eof reached */
279
    int ist_index;        /* index of first stream in ist_table */
280
    int buffer_size;      /* current total buffer size */
281
    int nb_streams;       /* nb streams we are aware of */
282
} AVInputFile;
283

    
284
#ifdef HAVE_TERMIOS_H
285

    
286
/* init terminal so that we can grab keys */
287
static struct termios oldtty;
288
#endif
289

    
290
static void term_exit(void)
291
{
292
#ifdef HAVE_TERMIOS_H
293
    tcsetattr (0, TCSANOW, &oldtty);
294
#endif
295
}
296

    
297
static volatile sig_atomic_t received_sigterm = 0;
298

    
299
static void
300
sigterm_handler(int sig)
301
{
302
    received_sigterm = sig;
303
    term_exit();
304
}
305

    
306
static void term_init(void)
307
{
308
#ifdef HAVE_TERMIOS_H
309
    struct termios tty;
310

    
311
    tcgetattr (0, &tty);
312
    oldtty = tty;
313

    
314
    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
315
                          |INLCR|IGNCR|ICRNL|IXON);
316
    tty.c_oflag |= OPOST;
317
    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
318
    tty.c_cflag &= ~(CSIZE|PARENB);
319
    tty.c_cflag |= CS8;
320
    tty.c_cc[VMIN] = 1;
321
    tty.c_cc[VTIME] = 0;
322

    
323
    tcsetattr (0, TCSANOW, &tty);
324
    signal(SIGQUIT, sigterm_handler); /* Quit (POSIX).  */
325
#endif
326

    
327
    signal(SIGINT , sigterm_handler); /* Interrupt (ANSI).  */
328
    signal(SIGTERM, sigterm_handler); /* Termination (ANSI).  */
329
    /*
330
    register a function to be called at normal program termination
331
    */
332
    atexit(term_exit);
333
#ifdef CONFIG_BEOS_NETSERVER
334
    fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
335
#endif
336
}
337

    
338
/* read a key without blocking */
339
static int read_key(void)
340
{
341
#if defined(HAVE_TERMIOS_H)
342
    int n = 1;
343
    unsigned char ch;
344
#ifndef CONFIG_BEOS_NETSERVER
345
    struct timeval tv;
346
    fd_set rfds;
347

    
348
    FD_ZERO(&rfds);
349
    FD_SET(0, &rfds);
350
    tv.tv_sec = 0;
351
    tv.tv_usec = 0;
352
    n = select(1, &rfds, NULL, NULL, &tv);
353
#endif
354
    if (n > 0) {
355
        n = read(0, &ch, 1);
356
        if (n == 1)
357
            return ch;
358

    
359
        return n;
360
    }
361
#elif defined(HAVE_CONIO_H)
362
    if(kbhit())
363
        return(getch());
364
#endif
365
    return -1;
366
}
367

    
368
static int decode_interrupt_cb(void)
369
{
370
    return q_pressed || (q_pressed = read_key() == 'q');
371
}
372

    
373
static int read_ffserver_streams(AVFormatContext *s, const char *filename)
374
{
375
    int i, err;
376
    AVFormatContext *ic;
377

    
378
    err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
379
    if (err < 0)
380
        return err;
381
    /* copy stream format */
382
    s->nb_streams = ic->nb_streams;
383
    for(i=0;i<ic->nb_streams;i++) {
384
        AVStream *st;
385

    
386
        // FIXME: a more elegant solution is needed
387
        st = av_mallocz(sizeof(AVStream));
388
        memcpy(st, ic->streams[i], sizeof(AVStream));
389
        st->codec = avcodec_alloc_context();
390
        memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
391
        s->streams[i] = st;
392
    }
393

    
394
    av_close_input_file(ic);
395
    return 0;
396
}
397

    
398
static double
399
get_sync_ipts(const AVOutputStream *ost)
400
{
401
    const AVInputStream *ist = ost->sync_ist;
402
    return (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/AV_TIME_BASE;
403
}
404

    
405
static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
406
    while(bsfc){
407
        AVPacket new_pkt= *pkt;
408
        int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
409
                                          &new_pkt.data, &new_pkt.size,
410
                                          pkt->data, pkt->size,
411
                                          pkt->flags & PKT_FLAG_KEY);
412
        if(a){
413
            av_free_packet(pkt);
414
            new_pkt.destruct= av_destruct_packet;
415
        }
416
        *pkt= new_pkt;
417

    
418
        bsfc= bsfc->next;
419
    }
420

    
421
    av_interleaved_write_frame(s, pkt);
422
}
423

    
424
#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
425

    
426
static void do_audio_out(AVFormatContext *s,
427
                         AVOutputStream *ost,
428
                         AVInputStream *ist,
429
                         unsigned char *buf, int size)
430
{
431
    uint8_t *buftmp;
432
    static uint8_t *audio_buf = NULL;
433
    static uint8_t *audio_out = NULL;
434
    const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
435

    
436
    int size_out, frame_bytes, ret;
437
    AVCodecContext *enc= ost->st->codec;
438

    
439
    /* SC: dynamic allocation of buffers */
440
    if (!audio_buf)
441
        audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
442
    if (!audio_out)
443
        audio_out = av_malloc(audio_out_size);
444
    if (!audio_buf || !audio_out)
445
        return;               /* Should signal an error ! */
446

    
447
    if(audio_sync_method){
448
        double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
449
                - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
450
        double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
451
        int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
452

    
453
        //FIXME resample delay
454
        if(fabs(delta) > 50){
455
            if(ist->is_start){
456
                if(byte_delta < 0){
457
                    byte_delta= FFMAX(byte_delta, -size);
458
                    size += byte_delta;
459
                    buf  -= byte_delta;
460
                    if(verbose > 2)
461
                        fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
462
                    if(!size)
463
                        return;
464
                    ist->is_start=0;
465
                }else{
466
                    static uint8_t *input_tmp= NULL;
467
                    input_tmp= av_realloc(input_tmp, byte_delta + size);
468

    
469
                    if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
470
                        ist->is_start=0;
471
                    else
472
                        byte_delta= MAX_AUDIO_PACKET_SIZE - size;
473

    
474
                    memset(input_tmp, 0, byte_delta);
475
                    memcpy(input_tmp + byte_delta, buf, size);
476
                    buf= input_tmp;
477
                    size += byte_delta;
478
                    if(verbose > 2)
479
                        fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
480
                }
481
            }else if(audio_sync_method>1){
482
                int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
483
                assert(ost->audio_resample);
484
                if(verbose > 2)
485
                    fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
486
//                fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2));
487
                av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
488
            }
489
        }
490
    }else
491
        ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
492
                        - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
493

    
494
    if (ost->audio_resample) {
495
        buftmp = audio_buf;
496
        size_out = audio_resample(ost->resample,
497
                                  (short *)buftmp, (short *)buf,
498
                                  size / (ist->st->codec->channels * 2));
499
        size_out = size_out * enc->channels * 2;
500
    } else {
501
        buftmp = buf;
502
        size_out = size;
503
    }
504

    
505
    /* now encode as many frames as possible */
506
    if (enc->frame_size > 1) {
507
        /* output resampled raw samples */
508
        av_fifo_write(&ost->fifo, buftmp, size_out);
509

    
510
        frame_bytes = enc->frame_size * 2 * enc->channels;
511

    
512
        while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
513
            AVPacket pkt;
514
            av_init_packet(&pkt);
515

    
516
            ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
517
                                       (short *)audio_buf);
518
            audio_size += ret;
519
            pkt.stream_index= ost->index;
520
            pkt.data= audio_out;
521
            pkt.size= ret;
522
            if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
523
                pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
524
            pkt.flags |= PKT_FLAG_KEY;
525
            write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
526

    
527
            ost->sync_opts += enc->frame_size;
528
        }
529
    } else {
530
        AVPacket pkt;
531
        av_init_packet(&pkt);
532

    
533
        ost->sync_opts += size_out / (2 * enc->channels);
534

    
535
        /* output a pcm frame */
536
        /* XXX: change encoding codec API to avoid this ? */
537
        switch(enc->codec->id) {
538
        case CODEC_ID_PCM_S32LE:
539
        case CODEC_ID_PCM_S32BE:
540
        case CODEC_ID_PCM_U32LE:
541
        case CODEC_ID_PCM_U32BE:
542
            size_out = size_out << 1;
543
            break;
544
        case CODEC_ID_PCM_S24LE:
545
        case CODEC_ID_PCM_S24BE:
546
        case CODEC_ID_PCM_U24LE:
547
        case CODEC_ID_PCM_U24BE:
548
        case CODEC_ID_PCM_S24DAUD:
549
            size_out = size_out / 2 * 3;
550
            break;
551
        case CODEC_ID_PCM_S16LE:
552
        case CODEC_ID_PCM_S16BE:
553
        case CODEC_ID_PCM_U16LE:
554
        case CODEC_ID_PCM_U16BE:
555
            break;
556
        default:
557
            size_out = size_out >> 1;
558
            break;
559
        }
560
        ret = avcodec_encode_audio(enc, audio_out, size_out,
561
                                   (short *)buftmp);
562
        audio_size += ret;
563
        pkt.stream_index= ost->index;
564
        pkt.data= audio_out;
565
        pkt.size= ret;
566
        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
567
            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
568
        pkt.flags |= PKT_FLAG_KEY;
569
        write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
570
    }
571
}
572

    
573
static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
574
{
575
    AVCodecContext *dec;
576
    AVPicture *picture2;
577
    AVPicture picture_tmp;
578
    uint8_t *buf = 0;
579

    
580
    dec = ist->st->codec;
581

    
582
    /* deinterlace : must be done before any resize */
583
    if (do_deinterlace || using_vhook) {
584
        int size;
585

    
586
        /* create temporary picture */
587
        size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
588
        buf = av_malloc(size);
589
        if (!buf)
590
            return;
591

    
592
        picture2 = &picture_tmp;
593
        avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
594

    
595
        if (do_deinterlace){
596
            if(avpicture_deinterlace(picture2, picture,
597
                                     dec->pix_fmt, dec->width, dec->height) < 0) {
598
                /* if error, do not deinterlace */
599
                av_free(buf);
600
                buf = NULL;
601
                picture2 = picture;
602
            }
603
        } else {
604
            av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
605
        }
606
    } else {
607
        picture2 = picture;
608
    }
609

    
610
    frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
611
                       1000000 * ist->pts / AV_TIME_BASE);
612

    
613
    if (picture != picture2)
614
        *picture = *picture2;
615
    *bufp = buf;
616
}
617

    
618
/* we begin to correct av delay at this threshold */
619
#define AV_DELAY_MAX 0.100
620

    
621
static void do_subtitle_out(AVFormatContext *s,
622
                            AVOutputStream *ost,
623
                            AVInputStream *ist,
624
                            AVSubtitle *sub,
625
                            int64_t pts)
626
{
627
    static uint8_t *subtitle_out = NULL;
628
    int subtitle_out_max_size = 65536;
629
    int subtitle_out_size, nb, i;
630
    AVCodecContext *enc;
631
    AVPacket pkt;
632

    
633
    if (pts == AV_NOPTS_VALUE) {
634
        fprintf(stderr, "Subtitle packets must have a pts\n");
635
        return;
636
    }
637

    
638
    enc = ost->st->codec;
639

    
640
    if (!subtitle_out) {
641
        subtitle_out = av_malloc(subtitle_out_max_size);
642
    }
643

    
644
    /* Note: DVB subtitle need one packet to draw them and one other
645
       packet to clear them */
646
    /* XXX: signal it in the codec context ? */
647
    if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
648
        nb = 2;
649
    else
650
        nb = 1;
651

    
652
    for(i = 0; i < nb; i++) {
653
        subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
654
                                                    subtitle_out_max_size, sub);
655

    
656
        av_init_packet(&pkt);
657
        pkt.stream_index = ost->index;
658
        pkt.data = subtitle_out;
659
        pkt.size = subtitle_out_size;
660
        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);
661
        if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
662
            /* XXX: the pts correction is handled here. Maybe handling
663
               it in the codec would be better */
664
            if (i == 0)
665
                pkt.pts += 90 * sub->start_display_time;
666
            else
667
                pkt.pts += 90 * sub->end_display_time;
668
        }
669
        write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
670
    }
671
}
672

    
673
static int bit_buffer_size= 1024*256;
674
static uint8_t *bit_buffer= NULL;
675

    
676
static void do_video_out(AVFormatContext *s,
677
                         AVOutputStream *ost,
678
                         AVInputStream *ist,
679
                         AVFrame *in_picture,
680
                         int *frame_size)
681
{
682
    int nb_frames, i, ret;
683
    AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
684
    AVFrame picture_crop_temp, picture_pad_temp;
685
    AVCodecContext *enc, *dec;
686

    
687
    avcodec_get_frame_defaults(&picture_crop_temp);
688
    avcodec_get_frame_defaults(&picture_pad_temp);
689

    
690
    enc = ost->st->codec;
691
    dec = ist->st->codec;
692

    
693
    /* by default, we output a single frame */
694
    nb_frames = 1;
695

    
696
    *frame_size = 0;
697

    
698
    if(video_sync_method){
699
        double vdelta;
700
        vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
701
        //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
702
        if (vdelta < -1.1)
703
            nb_frames = 0;
704
        else if (vdelta > 1.1)
705
            nb_frames = lrintf(vdelta);
706
//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);
707
        if (nb_frames == 0){
708
            ++nb_frames_drop;
709
            if (verbose>2)
710
                fprintf(stderr, "*** drop!\n");
711
        }else if (nb_frames > 1) {
712
            nb_frames_dup += nb_frames;
713
            if (verbose>2)
714
                fprintf(stderr, "*** %d dup!\n", nb_frames-1);
715
        }
716
    }else
717
        ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
718

    
719
    nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
720
    if (nb_frames <= 0)
721
        return;
722

    
723
    if (ost->video_crop) {
724
        if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
725
            av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
726
            return;
727
        }
728
        formatted_picture = &picture_crop_temp;
729
    } else {
730
        formatted_picture = in_picture;
731
    }
732

    
733
    final_picture = formatted_picture;
734
    padding_src = formatted_picture;
735
    resampling_dst = &ost->pict_tmp;
736
    if (ost->video_pad) {
737
        final_picture = &ost->pict_tmp;
738
        if (ost->video_resample) {
739
            if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
740
                av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
741
                return;
742
            }
743
            resampling_dst = &picture_pad_temp;
744
        }
745
    }
746

    
747
    if (ost->video_resample) {
748
        padding_src = NULL;
749
        final_picture = &ost->pict_tmp;
750
        sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
751
              0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
752
    }
753

    
754
    if (ost->video_pad) {
755
        av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
756
                enc->height, enc->width, enc->pix_fmt,
757
                ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
758
    }
759

    
760
    /* duplicates frame if needed */
761
    for(i=0;i<nb_frames;i++) {
762
        AVPacket pkt;
763
        av_init_packet(&pkt);
764
        pkt.stream_index= ost->index;
765

    
766
        if (s->oformat->flags & AVFMT_RAWPICTURE) {
767
            /* raw pictures are written as AVPicture structure to
768
               avoid any copies. We support temorarily the older
769
               method. */
770
            AVFrame* old_frame = enc->coded_frame;
771
            enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
772
            pkt.data= (uint8_t *)final_picture;
773
            pkt.size=  sizeof(AVPicture);
774
            if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
775
                pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
776
            if(dec->coded_frame && dec->coded_frame->key_frame)
777
                pkt.flags |= PKT_FLAG_KEY;
778

    
779
            write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
780
            enc->coded_frame = old_frame;
781
        } else {
782
            AVFrame big_picture;
783

    
784
            big_picture= *final_picture;
785
            /* better than nothing: use input picture interlaced
786
               settings */
787
            big_picture.interlaced_frame = in_picture->interlaced_frame;
788
            if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
789
                if(top_field_first == -1)
790
                    big_picture.top_field_first = in_picture->top_field_first;
791
                else
792
                    big_picture.top_field_first = top_field_first;
793
            }
794

    
795
            /* handles sameq here. This is not correct because it may
796
               not be a global option */
797
            if (same_quality) {
798
                big_picture.quality = ist->st->quality;
799
            }else
800
                big_picture.quality = ost->st->quality;
801
            if(!me_threshold)
802
                big_picture.pict_type = 0;
803
//            big_picture.pts = AV_NOPTS_VALUE;
804
            big_picture.pts= ost->sync_opts;
805
//            big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
806
//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
807
            ret = avcodec_encode_video(enc,
808
                                       bit_buffer, bit_buffer_size,
809
                                       &big_picture);
810
            if (ret == -1) {
811
                fprintf(stderr, "Video encoding failed\n");
812
                exit(1);
813
            }
814
            //enc->frame_number = enc->real_pict_num;
815
            if(ret>0){
816
                pkt.data= bit_buffer;
817
                pkt.size= ret;
818
                if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
819
                    pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
820
/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
821
   pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
822
   pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
823

    
824
                if(enc->coded_frame && enc->coded_frame->key_frame)
825
                    pkt.flags |= PKT_FLAG_KEY;
826
                write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
827
                *frame_size = ret;
828
                //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
829
                //        enc->frame_number-1, enc->real_pict_num, ret,
830
                //        enc->pict_type);
831
                /* if two pass, output log */
832
                if (ost->logfile && enc->stats_out) {
833
                    fprintf(ost->logfile, "%s", enc->stats_out);
834
                }
835
            }
836
        }
837
        ost->sync_opts++;
838
        ost->frame_number++;
839
    }
840
}
841

    
842
static double psnr(double d){
843
    if(d==0) return INFINITY;
844
    return -10.0*log(d)/log(10.0);
845
}
846

    
847
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
848
                           int frame_size)
849
{
850
    AVCodecContext *enc;
851
    int frame_number;
852
    double ti1, bitrate, avg_bitrate;
853

    
854
    /* this is executed just the first time do_video_stats is called */
855
    if (!fvstats) {
856
        fvstats = fopen(vstats_filename, "w");
857
        if (!fvstats) {
858
            perror("fopen");
859
            exit(1);
860
        }
861
    }
862

    
863
    enc = ost->st->codec;
864
    if (enc->codec_type == CODEC_TYPE_VIDEO) {
865
        frame_number = ost->frame_number;
866
        fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
867
        if (enc->flags&CODEC_FLAG_PSNR)
868
            fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
869

    
870
        fprintf(fvstats,"f_size= %6d ", frame_size);
871
        /* compute pts value */
872
        ti1 = ost->sync_opts * av_q2d(enc->time_base);
873
        if (ti1 < 0.01)
874
            ti1 = 0.01;
875

    
876
        bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
877
        avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
878
        fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
879
            (double)video_size / 1024, ti1, bitrate, avg_bitrate);
880
        fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
881
    }
882
}
883

    
884
static void print_report(AVFormatContext **output_files,
885
                         AVOutputStream **ost_table, int nb_ostreams,
886
                         int is_last_report)
887
{
888
    char buf[1024];
889
    AVOutputStream *ost;
890
    AVFormatContext *oc, *os;
891
    int64_t total_size;
892
    AVCodecContext *enc;
893
    int frame_number, vid, i;
894
    double bitrate, ti1, pts;
895
    static int64_t last_time = -1;
896
    static int qp_histogram[52];
897

    
898
    if (!is_last_report) {
899
        int64_t cur_time;
900
        /* display the report every 0.5 seconds */
901
        cur_time = av_gettime();
902
        if (last_time == -1) {
903
            last_time = cur_time;
904
            return;
905
        }
906
        if ((cur_time - last_time) < 500000)
907
            return;
908
        last_time = cur_time;
909
    }
910

    
911

    
912
    oc = output_files[0];
913

    
914
    total_size = url_fsize(&oc->pb);
915
    if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
916
        total_size= url_ftell(&oc->pb);
917

    
918
    buf[0] = '\0';
919
    ti1 = 1e10;
920
    vid = 0;
921
    for(i=0;i<nb_ostreams;i++) {
922
        ost = ost_table[i];
923
        os = output_files[ost->file_index];
924
        enc = ost->st->codec;
925
        if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
926
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
927
                    enc->coded_frame->quality/(float)FF_QP2LAMBDA);
928
        }
929
        if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
930
            float t = (av_gettime()-timer_start) / 1000000.0;
931

    
932
            frame_number = ost->frame_number;
933
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
934
                     frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
935
                     enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
936
            if(is_last_report)
937
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
938
            if(qp_hist && enc->coded_frame){
939
                int j;
940
                int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
941
                if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
942
                    qp_histogram[qp]++;
943
                for(j=0; j<32; j++)
944
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
945
            }
946
            if (enc->flags&CODEC_FLAG_PSNR){
947
                int j;
948
                double error, error_sum=0;
949
                double scale, scale_sum=0;
950
                char type[3]= {'Y','U','V'};
951
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
952
                for(j=0; j<3; j++){
953
                    if(is_last_report){
954
                        error= enc->error[j];
955
                        scale= enc->width*enc->height*255.0*255.0*frame_number;
956
                    }else{
957
                        error= enc->coded_frame->error[j];
958
                        scale= enc->width*enc->height*255.0*255.0;
959
                    }
960
                    if(j) scale/=4;
961
                    error_sum += error;
962
                    scale_sum += scale;
963
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
964
                }
965
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
966
            }
967
            vid = 1;
968
        }
969
        /* compute min output value */
970
        pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
971
        if ((pts < ti1) && (pts > 0))
972
            ti1 = pts;
973
    }
974
    if (ti1 < 0.01)
975
        ti1 = 0.01;
976

    
977
    if (verbose || is_last_report) {
978
        bitrate = (double)(total_size * 8) / ti1 / 1000.0;
979

    
980
        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
981
            "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
982
            (double)total_size / 1024, ti1, bitrate);
983

    
984
        if (verbose > 1)
985
          snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
986
                  nb_frames_dup, nb_frames_drop);
987

    
988
        if (verbose >= 0)
989
            fprintf(stderr, "%s    \r", buf);
990

    
991
        fflush(stderr);
992
    }
993

    
994
    if (is_last_report && verbose >= 0){
995
        int64_t raw= audio_size + video_size + extra_size;
996
        fprintf(stderr, "\n");
997
        fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
998
                video_size/1024.0,
999
                audio_size/1024.0,
1000
                extra_size/1024.0,
1001
                100.0*(total_size - raw)/raw
1002
        );
1003
    }
1004
}
1005

    
1006
/* pkt = NULL means EOF (needed to flush decoder buffers) */
1007
static int output_packet(AVInputStream *ist, int ist_index,
1008
                         AVOutputStream **ost_table, int nb_ostreams,
1009
                         const AVPacket *pkt)
1010
{
1011
    AVFormatContext *os;
1012
    AVOutputStream *ost;
1013
    uint8_t *ptr;
1014
    int len, ret, i;
1015
    uint8_t *data_buf;
1016
    int data_size, got_picture;
1017
    AVFrame picture;
1018
    void *buffer_to_free;
1019
    static unsigned int samples_size= 0;
1020
    static short *samples= NULL;
1021
    AVSubtitle subtitle, *subtitle_to_free;
1022
    int got_subtitle;
1023

    
1024
    if(!pkt){
1025
        ist->pts= ist->next_pts; // needed for last packet if vsync=0
1026
    } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1027
        ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1028
    } else {
1029
//        assert(ist->pts == ist->next_pts);
1030
    }
1031

    
1032
    if (pkt == NULL) {
1033
        /* EOF handling */
1034
        ptr = NULL;
1035
        len = 0;
1036
        goto handle_eof;
1037
    }
1038

    
1039
    len = pkt->size;
1040
    ptr = pkt->data;
1041
    while (len > 0) {
1042
    handle_eof:
1043
        /* decode the packet if needed */
1044
        data_buf = NULL; /* fail safe */
1045
        data_size = 0;
1046
        subtitle_to_free = NULL;
1047
        if (ist->decoding_needed) {
1048
            switch(ist->st->codec->codec_type) {
1049
            case CODEC_TYPE_AUDIO:{
1050
                if(pkt)
1051
                    samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1052
                data_size= samples_size;
1053
                    /* XXX: could avoid copy if PCM 16 bits with same
1054
                       endianness as CPU */
1055
                ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1056
                                           ptr, len);
1057
                if (ret < 0)
1058
                    goto fail_decode;
1059
                ptr += ret;
1060
                len -= ret;
1061
                /* Some bug in mpeg audio decoder gives */
1062
                /* data_size < 0, it seems they are overflows */
1063
                if (data_size <= 0) {
1064
                    /* no audio frame */
1065
                    continue;
1066
                }
1067
                data_buf = (uint8_t *)samples;
1068
                ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1069
                    (ist->st->codec->sample_rate * ist->st->codec->channels);
1070
                break;}
1071
            case CODEC_TYPE_VIDEO:
1072
                    data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1073
                    /* XXX: allocate picture correctly */
1074
                    avcodec_get_frame_defaults(&picture);
1075

    
1076
                    ret = avcodec_decode_video(ist->st->codec,
1077
                                               &picture, &got_picture, ptr, len);
1078
                    ist->st->quality= picture.quality;
1079
                    if (ret < 0)
1080
                        goto fail_decode;
1081
                    if (!got_picture) {
1082
                        /* no picture yet */
1083
                        goto discard_packet;
1084
                    }
1085
                    if (ist->st->codec->time_base.num != 0) {
1086
                        ist->next_pts += ((int64_t)AV_TIME_BASE *
1087
                                          ist->st->codec->time_base.num) /
1088
                            ist->st->codec->time_base.den;
1089
                    }
1090
                    len = 0;
1091
                    break;
1092
            case CODEC_TYPE_SUBTITLE:
1093
                ret = avcodec_decode_subtitle(ist->st->codec,
1094
                                              &subtitle, &got_subtitle, ptr, len);
1095
                if (ret < 0)
1096
                    goto fail_decode;
1097
                if (!got_subtitle) {
1098
                    goto discard_packet;
1099
                }
1100
                subtitle_to_free = &subtitle;
1101
                len = 0;
1102
                break;
1103
            default:
1104
                goto fail_decode;
1105
            }
1106
        } else {
1107
            switch(ist->st->codec->codec_type) {
1108
            case CODEC_TYPE_AUDIO:
1109
                ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1110
                    (ist->st->codec->sample_rate * ist->st->codec->channels);
1111
                break;
1112
            case CODEC_TYPE_VIDEO:
1113
                if (ist->st->codec->time_base.num != 0) {
1114
                    ist->next_pts += ((int64_t)AV_TIME_BASE *
1115
                                      ist->st->codec->time_base.num) /
1116
                        ist->st->codec->time_base.den;
1117
                }
1118
                break;
1119
            }
1120
            data_buf = ptr;
1121
            data_size = len;
1122
            ret = len;
1123
            len = 0;
1124
        }
1125

    
1126
        buffer_to_free = NULL;
1127
        if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1128
            pre_process_video_frame(ist, (AVPicture *)&picture,
1129
                                    &buffer_to_free);
1130
        }
1131

    
1132
        // preprocess audio (volume)
1133
        if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1134
            if (audio_volume != 256) {
1135
                short *volp;
1136
                volp = samples;
1137
                for(i=0;i<(data_size / sizeof(short));i++) {
1138
                    int v = ((*volp) * audio_volume + 128) >> 8;
1139
                    if (v < -32768) v = -32768;
1140
                    if (v >  32767) v = 32767;
1141
                    *volp++ = v;
1142
                }
1143
            }
1144
        }
1145

    
1146
        /* frame rate emulation */
1147
        if (ist->st->codec->rate_emu) {
1148
            int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1149
            int64_t now = av_gettime() - ist->start;
1150
            if (pts > now)
1151
                usleep(pts - now);
1152

    
1153
            ist->frame++;
1154
        }
1155

    
1156
#if 0
1157
        /* mpeg PTS deordering : if it is a P or I frame, the PTS
1158
           is the one of the next displayed one */
1159
        /* XXX: add mpeg4 too ? */
1160
        if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1161
            if (ist->st->codec->pict_type != B_TYPE) {
1162
                int64_t tmp;
1163
                tmp = ist->last_ip_pts;
1164
                ist->last_ip_pts  = ist->frac_pts.val;
1165
                ist->frac_pts.val = tmp;
1166
            }
1167
        }
1168
#endif
1169
        /* if output time reached then transcode raw format,
1170
           encode packets and output them */
1171
        if (start_time == 0 || ist->pts >= start_time)
1172
            for(i=0;i<nb_ostreams;i++) {
1173
                int frame_size;
1174

    
1175
                ost = ost_table[i];
1176
                if (ost->source_index == ist_index) {
1177
                    os = output_files[ost->file_index];
1178

    
1179
#if 0
1180
                    printf("%d: got pts=%0.3f %0.3f\n", i,
1181
                           (double)pkt->pts / AV_TIME_BASE,
1182
                           ((double)ist->pts / AV_TIME_BASE) -
1183
                           ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1184
#endif
1185
                    /* set the input output pts pairs */
1186
                    //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1187

    
1188
                    if (ost->encoding_needed) {
1189
                        switch(ost->st->codec->codec_type) {
1190
                        case CODEC_TYPE_AUDIO:
1191
                            do_audio_out(os, ost, ist, data_buf, data_size);
1192
                            break;
1193
                        case CODEC_TYPE_VIDEO:
1194
                            do_video_out(os, ost, ist, &picture, &frame_size);
1195
                            video_size += frame_size;
1196
                            if (vstats_filename && frame_size)
1197
                                do_video_stats(os, ost, frame_size);
1198
                            break;
1199
                        case CODEC_TYPE_SUBTITLE:
1200
                            do_subtitle_out(os, ost, ist, &subtitle,
1201
                                            pkt->pts);
1202
                            break;
1203
                        default:
1204
                            abort();
1205
                        }
1206
                    } else {
1207
                        AVFrame avframe; //FIXME/XXX remove this
1208
                        AVPacket opkt;
1209
                        av_init_packet(&opkt);
1210

    
1211
                        /* no reencoding needed : output the packet directly */
1212
                        /* force the input stream PTS */
1213

    
1214
                        avcodec_get_frame_defaults(&avframe);
1215
                        ost->st->codec->coded_frame= &avframe;
1216
                        avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1217

    
1218
                        if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1219
                            audio_size += data_size;
1220
                        else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1221
                            video_size += data_size;
1222
                            ost->sync_opts++;
1223
                        }
1224

    
1225
                        opkt.stream_index= ost->index;
1226
                        if(pkt->pts != AV_NOPTS_VALUE)
1227
                            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);
1228
                        else
1229
                            opkt.pts= AV_NOPTS_VALUE;
1230

    
1231
                        {
1232
                            int64_t dts;
1233
                            if (pkt->dts == AV_NOPTS_VALUE)
1234
                                dts = ist->next_pts;
1235
                            else
1236
                                dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1237
                            opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q,  ost->st->time_base);
1238
                        }
1239
                        opkt.flags= pkt->flags;
1240

    
1241
                        //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1242
                        if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1243
                            opkt.destruct= av_destruct_packet;
1244

    
1245
                        write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1246
                        ost->st->codec->frame_number++;
1247
                        ost->frame_number++;
1248
                        av_free_packet(&opkt);
1249
                    }
1250
                }
1251
            }
1252
        av_free(buffer_to_free);
1253
        /* XXX: allocate the subtitles in the codec ? */
1254
        if (subtitle_to_free) {
1255
            if (subtitle_to_free->rects != NULL) {
1256
                for (i = 0; i < subtitle_to_free->num_rects; i++) {
1257
                    av_free(subtitle_to_free->rects[i].bitmap);
1258
                    av_free(subtitle_to_free->rects[i].rgba_palette);
1259
                }
1260
                av_freep(&subtitle_to_free->rects);
1261
            }
1262
            subtitle_to_free->num_rects = 0;
1263
            subtitle_to_free = NULL;
1264
        }
1265
    }
1266
 discard_packet:
1267
    if (pkt == NULL) {
1268
        /* EOF handling */
1269

    
1270
        for(i=0;i<nb_ostreams;i++) {
1271
            ost = ost_table[i];
1272
            if (ost->source_index == ist_index) {
1273
                AVCodecContext *enc= ost->st->codec;
1274
                os = output_files[ost->file_index];
1275

    
1276
                if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1277
                    continue;
1278
                if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1279
                    continue;
1280

    
1281
                if (ost->encoding_needed) {
1282
                    for(;;) {
1283
                        AVPacket pkt;
1284
                        int fifo_bytes;
1285
                        av_init_packet(&pkt);
1286
                        pkt.stream_index= ost->index;
1287

    
1288
                        switch(ost->st->codec->codec_type) {
1289
                        case CODEC_TYPE_AUDIO:
1290
                            fifo_bytes = av_fifo_size(&ost->fifo);
1291
                            ret = 0;
1292
                            /* encode any samples remaining in fifo */
1293
                            if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1294
                                int fs_tmp = enc->frame_size;
1295
                                enc->frame_size = fifo_bytes / (2 * enc->channels);
1296
                                if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1297
                                    ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1298
                                }
1299
                                enc->frame_size = fs_tmp;
1300
                            }
1301
                            if(ret <= 0) {
1302
                                ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1303
                            }
1304
                            audio_size += ret;
1305
                            pkt.flags |= PKT_FLAG_KEY;
1306
                            break;
1307
                        case CODEC_TYPE_VIDEO:
1308
                            ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1309
                            video_size += ret;
1310
                            if(enc->coded_frame && enc->coded_frame->key_frame)
1311
                                pkt.flags |= PKT_FLAG_KEY;
1312
                            if (ost->logfile && enc->stats_out) {
1313
                                fprintf(ost->logfile, "%s", enc->stats_out);
1314
                            }
1315
                            break;
1316
                        default:
1317
                            ret=-1;
1318
                        }
1319

    
1320
                        if(ret<=0)
1321
                            break;
1322
                        pkt.data= bit_buffer;
1323
                        pkt.size= ret;
1324
                        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1325
                            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1326
                        write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1327
                    }
1328
                }
1329
            }
1330
        }
1331
    }
1332

    
1333
    return 0;
1334
 fail_decode:
1335
    return -1;
1336
}
1337

    
1338

    
1339
/*
1340
 * The following code is the main loop of the file converter
1341
 */
1342
static int av_encode(AVFormatContext **output_files,
1343
                     int nb_output_files,
1344
                     AVFormatContext **input_files,
1345
                     int nb_input_files,
1346
                     AVStreamMap *stream_maps, int nb_stream_maps)
1347
{
1348
    int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1349
    AVFormatContext *is, *os;
1350
    AVCodecContext *codec, *icodec;
1351
    AVOutputStream *ost, **ost_table = NULL;
1352
    AVInputStream *ist, **ist_table = NULL;
1353
    AVInputFile *file_table;
1354
    int key;
1355

    
1356
    file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1357
    if (!file_table)
1358
        goto fail;
1359

    
1360
    /* input stream init */
1361
    j = 0;
1362
    for(i=0;i<nb_input_files;i++) {
1363
        is = input_files[i];
1364
        file_table[i].ist_index = j;
1365
        file_table[i].nb_streams = is->nb_streams;
1366
        j += is->nb_streams;
1367
    }
1368
    nb_istreams = j;
1369

    
1370
    ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1371
    if (!ist_table)
1372
        goto fail;
1373

    
1374
    for(i=0;i<nb_istreams;i++) {
1375
        ist = av_mallocz(sizeof(AVInputStream));
1376
        if (!ist)
1377
            goto fail;
1378
        ist_table[i] = ist;
1379
    }
1380
    j = 0;
1381
    for(i=0;i<nb_input_files;i++) {
1382
        is = input_files[i];
1383
        for(k=0;k<is->nb_streams;k++) {
1384
            ist = ist_table[j++];
1385
            ist->st = is->streams[k];
1386
            ist->file_index = i;
1387
            ist->index = k;
1388
            ist->discard = 1; /* the stream is discarded by default
1389
                                 (changed later) */
1390

    
1391
            if (ist->st->codec->rate_emu) {
1392
                ist->start = av_gettime();
1393
                ist->frame = 0;
1394
            }
1395
        }
1396
    }
1397

    
1398
    /* output stream init */
1399
    nb_ostreams = 0;
1400
    for(i=0;i<nb_output_files;i++) {
1401
        os = output_files[i];
1402
        if (!os->nb_streams) {
1403
            fprintf(stderr, "Output file does not contain any stream\n");
1404
            exit(1);
1405
        }
1406
        nb_ostreams += os->nb_streams;
1407
    }
1408
    if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1409
        fprintf(stderr, "Number of stream maps must match number of output streams\n");
1410
        exit(1);
1411
    }
1412

    
1413
    /* Sanity check the mapping args -- do the input files & streams exist? */
1414
    for(i=0;i<nb_stream_maps;i++) {
1415
        int fi = stream_maps[i].file_index;
1416
        int si = stream_maps[i].stream_index;
1417

    
1418
        if (fi < 0 || fi > nb_input_files - 1 ||
1419
            si < 0 || si > file_table[fi].nb_streams - 1) {
1420
            fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1421
            exit(1);
1422
        }
1423
        fi = stream_maps[i].sync_file_index;
1424
        si = stream_maps[i].sync_stream_index;
1425
        if (fi < 0 || fi > nb_input_files - 1 ||
1426
            si < 0 || si > file_table[fi].nb_streams - 1) {
1427
            fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1428
            exit(1);
1429
        }
1430
    }
1431

    
1432
    ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1433
    if (!ost_table)
1434
        goto fail;
1435
    for(i=0;i<nb_ostreams;i++) {
1436
        ost = av_mallocz(sizeof(AVOutputStream));
1437
        if (!ost)
1438
            goto fail;
1439
        ost_table[i] = ost;
1440
    }
1441

    
1442
    n = 0;
1443
    for(k=0;k<nb_output_files;k++) {
1444
        os = output_files[k];
1445
        for(i=0;i<os->nb_streams;i++) {
1446
            int found;
1447
            ost = ost_table[n++];
1448
            ost->file_index = k;
1449
            ost->index = i;
1450
            ost->st = os->streams[i];
1451
            if (nb_stream_maps > 0) {
1452
                ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1453
                    stream_maps[n-1].stream_index;
1454

    
1455
                /* Sanity check that the stream types match */
1456
                if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1457
                    fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1458
                        stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1459
                        ost->file_index, ost->index);
1460
                    exit(1);
1461
                }
1462

    
1463
            } else {
1464
                /* get corresponding input stream index : we select the first one with the right type */
1465
                found = 0;
1466
                for(j=0;j<nb_istreams;j++) {
1467
                    ist = ist_table[j];
1468
                    if (ist->discard &&
1469
                        ist->st->codec->codec_type == ost->st->codec->codec_type) {
1470
                        ost->source_index = j;
1471
                        found = 1;
1472
                        break;
1473
                    }
1474
                }
1475

    
1476
                if (!found) {
1477
                    /* try again and reuse existing stream */
1478
                    for(j=0;j<nb_istreams;j++) {
1479
                        ist = ist_table[j];
1480
                        if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1481
                            ost->source_index = j;
1482
                            found = 1;
1483
                        }
1484
                    }
1485
                    if (!found) {
1486
                        fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1487
                                ost->file_index, ost->index);
1488
                        exit(1);
1489
                    }
1490
                }
1491
            }
1492
            ist = ist_table[ost->source_index];
1493
            ist->discard = 0;
1494
            ost->sync_ist = (nb_stream_maps > 0) ?
1495
                ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1496
                         stream_maps[n-1].sync_stream_index] : ist;
1497
        }
1498
    }
1499

    
1500
    /* for each output stream, we compute the right encoding parameters */
1501
    for(i=0;i<nb_ostreams;i++) {
1502
        ost = ost_table[i];
1503
        ist = ist_table[ost->source_index];
1504

    
1505
        codec = ost->st->codec;
1506
        icodec = ist->st->codec;
1507

    
1508
        if (ost->st->stream_copy) {
1509
            /* if stream_copy is selected, no need to decode or encode */
1510
            codec->codec_id = icodec->codec_id;
1511
            codec->codec_type = icodec->codec_type;
1512
            if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1513
            codec->bit_rate = icodec->bit_rate;
1514
            codec->extradata= icodec->extradata;
1515
            codec->extradata_size= icodec->extradata_size;
1516
            if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1517
                codec->time_base = icodec->time_base;
1518
            else
1519
                codec->time_base = ist->st->time_base;
1520
            switch(codec->codec_type) {
1521
            case CODEC_TYPE_AUDIO:
1522
                codec->sample_rate = icodec->sample_rate;
1523
                codec->channels = icodec->channels;
1524
                codec->frame_size = icodec->frame_size;
1525
                codec->block_align= icodec->block_align;
1526
                break;
1527
            case CODEC_TYPE_VIDEO:
1528
                if(using_vhook) {
1529
                    fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1530
                    exit(1);
1531
                }
1532
                codec->pix_fmt = icodec->pix_fmt;
1533
                codec->width = icodec->width;
1534
                codec->height = icodec->height;
1535
                codec->has_b_frames = icodec->has_b_frames;
1536
                break;
1537
            case CODEC_TYPE_SUBTITLE:
1538
                break;
1539
            default:
1540
                abort();
1541
            }
1542
        } else {
1543
            switch(codec->codec_type) {
1544
            case CODEC_TYPE_AUDIO:
1545
                if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1546
                    goto fail;
1547

    
1548
                if (codec->channels == icodec->channels &&
1549
                    codec->sample_rate == icodec->sample_rate) {
1550
                    ost->audio_resample = 0;
1551
                } else {
1552
                    if (codec->channels != icodec->channels &&
1553
                        (icodec->codec_id == CODEC_ID_AC3 ||
1554
                         icodec->codec_id == CODEC_ID_DTS)) {
1555
                        /* Special case for 5:1 AC3 and DTS input */
1556
                        /* and mono or stereo output      */
1557
                        /* Request specific number of channels */
1558
                        icodec->channels = codec->channels;
1559
                        if (codec->sample_rate == icodec->sample_rate)
1560
                            ost->audio_resample = 0;
1561
                        else {
1562
                            ost->audio_resample = 1;
1563
                        }
1564
                    } else {
1565
                        ost->audio_resample = 1;
1566
                    }
1567
                }
1568
                if(audio_sync_method>1)
1569
                    ost->audio_resample = 1;
1570

    
1571
                if(ost->audio_resample){
1572
                    ost->resample = audio_resample_init(codec->channels, icodec->channels,
1573
                                                    codec->sample_rate, icodec->sample_rate);
1574
                    if(!ost->resample){
1575
                        printf("Can't resample.  Aborting.\n");
1576
                        abort();
1577
                    }
1578
                }
1579
                ist->decoding_needed = 1;
1580
                ost->encoding_needed = 1;
1581
                break;
1582
            case CODEC_TYPE_VIDEO:
1583
                ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1584
                ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1585
                ost->video_resample = ((codec->width != icodec->width -
1586
                                (frame_leftBand + frame_rightBand) +
1587
                                (frame_padleft + frame_padright)) ||
1588
                        (codec->height != icodec->height -
1589
                                (frame_topBand  + frame_bottomBand) +
1590
                                (frame_padtop + frame_padbottom)) ||
1591
                        (codec->pix_fmt != icodec->pix_fmt));
1592
                if (ost->video_crop) {
1593
                    ost->topBand = frame_topBand;
1594
                    ost->leftBand = frame_leftBand;
1595
                }
1596
                if (ost->video_pad) {
1597
                    ost->padtop = frame_padtop;
1598
                    ost->padleft = frame_padleft;
1599
                    ost->padbottom = frame_padbottom;
1600
                    ost->padright = frame_padright;
1601
                    if (!ost->video_resample) {
1602
                        avcodec_get_frame_defaults(&ost->pict_tmp);
1603
                        if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1604
                                         codec->width, codec->height ) )
1605
                            goto fail;
1606
                    }
1607
                }
1608
                if (ost->video_resample) {
1609
                    avcodec_get_frame_defaults(&ost->pict_tmp);
1610
                    if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1611
                                         codec->width, codec->height ) ) {
1612
                        fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1613
                        exit(1);
1614
                    }
1615
                    sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
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
                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 < 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 (av_parse_video_frame_rate(&frame_rate, 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 (av_parse_video_frame_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
void list_pix_fmts(void)
2248
{
2249
    int i;
2250
    char pix_fmt_str[128];
2251
    for (i=-1; i < PIX_FMT_NB; i++) {
2252
        avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2253
        fprintf(stdout, "%s\n", pix_fmt_str);
2254
    }
2255
}
2256

    
2257
static void opt_frame_pix_fmt(const char *arg)
2258
{
2259
    if (strcmp(arg, "list"))
2260
        frame_pix_fmt = avcodec_get_pix_fmt(arg);
2261
    else {
2262
        list_pix_fmts();
2263
        exit(0);
2264
    }
2265
}
2266

    
2267
static void opt_frame_aspect_ratio(const char *arg)
2268
{
2269
    int x = 0, y = 0;
2270
    double ar = 0;
2271
    const char *p;
2272

    
2273
    p = strchr(arg, ':');
2274
    if (p) {
2275
        x = strtol(arg, (char **)&arg, 10);
2276
        if (arg == p)
2277
            y = strtol(arg+1, (char **)&arg, 10);
2278
        if (x > 0 && y > 0)
2279
            ar = (double)x / (double)y;
2280
    } else
2281
        ar = strtod(arg, (char **)&arg);
2282

    
2283
    if (!ar) {
2284
        fprintf(stderr, "Incorrect aspect ratio specification.\n");
2285
        exit(1);
2286
    }
2287
    frame_aspect_ratio = ar;
2288
}
2289

    
2290
static void opt_qscale(const char *arg)
2291
{
2292
    video_qscale = atof(arg);
2293
    if (video_qscale <= 0 ||
2294
        video_qscale > 255) {
2295
        fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2296
        exit(1);
2297
    }
2298
}
2299

    
2300
static void opt_qdiff(const char *arg)
2301
{
2302
    video_qdiff = atoi(arg);
2303
    if (video_qdiff < 0 ||
2304
        video_qdiff > 31) {
2305
        fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2306
        exit(1);
2307
    }
2308
}
2309

    
2310
static void opt_strict(const char *arg)
2311
{
2312
    strict= atoi(arg);
2313
}
2314

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

    
2320
static void opt_thread_count(const char *arg)
2321
{
2322
    thread_count= atoi(arg);
2323
#if !defined(HAVE_THREADS)
2324
    if (verbose >= 0)
2325
        fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2326
#endif
2327
}
2328

    
2329
static void opt_audio_rate(const char *arg)
2330
{
2331
    audio_sample_rate = atoi(arg);
2332
}
2333

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

    
2339
static void opt_video_channel(const char *arg)
2340
{
2341
    video_channel = strtol(arg, NULL, 0);
2342
}
2343

    
2344
static void opt_video_standard(const char *arg)
2345
{
2346
    video_standard = av_strdup(arg);
2347
}
2348

    
2349
static void opt_codec(int *pstream_copy, int *pcodec_id,
2350
                      int codec_type, const char *arg)
2351
{
2352
    AVCodec *p;
2353

    
2354
    if (!strcmp(arg, "copy")) {
2355
        *pstream_copy = 1;
2356
    } else {
2357
        p = first_avcodec;
2358
        while (p) {
2359
            if (!strcmp(p->name, arg) && p->type == codec_type)
2360
                break;
2361
            p = p->next;
2362
        }
2363
        if (p == NULL) {
2364
            fprintf(stderr, "Unknown codec '%s'\n", arg);
2365
            exit(1);
2366
        } else {
2367
            *pcodec_id = p->id;
2368
        }
2369
    }
2370
}
2371

    
2372
static void opt_audio_codec(const char *arg)
2373
{
2374
    opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2375
}
2376

    
2377
static void opt_audio_tag(const char *arg)
2378
{
2379
    char *tail;
2380
    audio_codec_tag= strtol(arg, &tail, 0);
2381

    
2382
    if(!tail || *tail)
2383
        audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2384
}
2385

    
2386
static void opt_video_tag(const char *arg)
2387
{
2388
    char *tail;
2389
    video_codec_tag= strtol(arg, &tail, 0);
2390

    
2391
    if(!tail || *tail)
2392
        video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2393
}
2394

    
2395
static void add_frame_hooker(const char *arg)
2396
{
2397
    int argc = 0;
2398
    char *argv[64];
2399
    int i;
2400
    char *args = av_strdup(arg);
2401

    
2402
    using_vhook = 1;
2403

    
2404
    argv[0] = strtok(args, " ");
2405
    while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2406
    }
2407

    
2408
    i = frame_hook_add(argc, argv);
2409

    
2410
    if (i != 0) {
2411
        fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2412
        exit(1);
2413
    }
2414
}
2415

    
2416
static void opt_video_codec(const char *arg)
2417
{
2418
    opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2419
}
2420

    
2421
static void opt_subtitle_codec(const char *arg)
2422
{
2423
    opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2424
}
2425

    
2426
static void opt_map(const char *arg)
2427
{
2428
    AVStreamMap *m;
2429
    const char *p;
2430

    
2431
    p = arg;
2432
    m = &stream_maps[nb_stream_maps++];
2433

    
2434
    m->file_index = strtol(arg, (char **)&p, 0);
2435
    if (*p)
2436
        p++;
2437

    
2438
    m->stream_index = strtol(p, (char **)&p, 0);
2439
    if (*p) {
2440
        p++;
2441
        m->sync_file_index = strtol(p, (char **)&p, 0);
2442
        if (*p)
2443
            p++;
2444
        m->sync_stream_index = strtol(p, (char **)&p, 0);
2445
    } else {
2446
        m->sync_file_index = m->file_index;
2447
        m->sync_stream_index = m->stream_index;
2448
    }
2449
}
2450

    
2451
static void opt_map_meta_data(const char *arg)
2452
{
2453
    AVMetaDataMap *m;
2454
    const char *p;
2455

    
2456
    p = arg;
2457
    m = &meta_data_maps[nb_meta_data_maps++];
2458

    
2459
    m->out_file = strtol(arg, (char **)&p, 0);
2460
    if (*p)
2461
        p++;
2462

    
2463
    m->in_file = strtol(p, (char **)&p, 0);
2464
}
2465

    
2466
static void opt_recording_time(const char *arg)
2467
{
2468
    recording_time = parse_date(arg, 1);
2469
}
2470

    
2471
static void opt_start_time(const char *arg)
2472
{
2473
    start_time = parse_date(arg, 1);
2474
}
2475

    
2476
static void opt_rec_timestamp(const char *arg)
2477
{
2478
    rec_timestamp = parse_date(arg, 0) / 1000000;
2479
}
2480

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

    
2486
static void opt_input_file(const char *filename)
2487
{
2488
    AVFormatContext *ic;
2489
    AVFormatParameters params, *ap = &params;
2490
    int err, i, ret, rfps, rfps_base;
2491
    int64_t timestamp;
2492

    
2493
    if (!strcmp(filename, "-"))
2494
        filename = "pipe:";
2495

    
2496
    using_stdin |= !strncmp(filename, "pipe:", 5) ||
2497
                   !strcmp( filename, "/dev/stdin" );
2498

    
2499
    /* get default parameters from command line */
2500
    ic = av_alloc_format_context();
2501

    
2502
    memset(ap, 0, sizeof(*ap));
2503
    ap->prealloced_context = 1;
2504
    ap->sample_rate = audio_sample_rate;
2505
    ap->channels = audio_channels;
2506
    ap->time_base.den = frame_rate.num;
2507
    ap->time_base.num = frame_rate.den;
2508
    ap->width = frame_width + frame_padleft + frame_padright;
2509
    ap->height = frame_height + frame_padtop + frame_padbottom;
2510
    ap->pix_fmt = frame_pix_fmt;
2511
    ap->channel = video_channel;
2512
    ap->standard = video_standard;
2513
    ap->video_codec_id = video_codec_id;
2514
    ap->audio_codec_id = audio_codec_id;
2515
    if(pgmyuv_compatibility_hack)
2516
        ap->video_codec_id= CODEC_ID_PGMYUV;
2517

    
2518
    for(i=0; i<opt_name_count; i++){
2519
        const AVOption *opt;
2520
        double d= av_get_double(avformat_opts, opt_names[i], &opt);
2521
        if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2522
            av_set_double(ic, opt_names[i], d);
2523
    }
2524
    /* open the input file with generic libav function */
2525
    err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2526
    if (err < 0) {
2527
        print_error(filename, err);
2528
        exit(1);
2529
    }
2530

    
2531
    ic->loop_input = loop_input;
2532

    
2533
    /* If not enough info to get the stream parameters, we decode the
2534
       first frames to get it. (used in mpeg case for example) */
2535
    ret = av_find_stream_info(ic);
2536
    if (ret < 0 && verbose >= 0) {
2537
        fprintf(stderr, "%s: could not find codec parameters\n", filename);
2538
        exit(1);
2539
    }
2540

    
2541
    timestamp = start_time;
2542
    /* add the stream start time */
2543
    if (ic->start_time != AV_NOPTS_VALUE)
2544
        timestamp += ic->start_time;
2545

    
2546
    /* if seeking requested, we execute it */
2547
    if (start_time != 0) {
2548
        ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2549
        if (ret < 0) {
2550
            fprintf(stderr, "%s: could not seek to position %0.3f\n",
2551
                    filename, (double)timestamp / AV_TIME_BASE);
2552
        }
2553
        /* reset seek info */
2554
        start_time = 0;
2555
    }
2556

    
2557
    /* update the current parameters so that they match the one of the input stream */
2558
    for(i=0;i<ic->nb_streams;i++) {
2559
        int j;
2560
        AVCodecContext *enc = ic->streams[i]->codec;
2561
        if(thread_count>1)
2562
            avcodec_thread_init(enc, thread_count);
2563
        enc->thread_count= thread_count;
2564
        switch(enc->codec_type) {
2565
        case CODEC_TYPE_AUDIO:
2566
            for(j=0; j<opt_name_count; j++){
2567
                const AVOption *opt;
2568
                double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2569
                if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2570
                    av_set_double(enc, opt_names[j], d);
2571
            }
2572
            //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2573
            audio_channels = enc->channels;
2574
            audio_sample_rate = enc->sample_rate;
2575
            if(audio_disable)
2576
                ic->streams[i]->discard= AVDISCARD_ALL;
2577
            break;
2578
        case CODEC_TYPE_VIDEO:
2579
            for(j=0; j<opt_name_count; j++){
2580
                const AVOption *opt;
2581
                double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2582
                if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2583
                    av_set_double(enc, opt_names[j], d);
2584
            }
2585
            frame_height = enc->height;
2586
            frame_width = enc->width;
2587
            frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2588
            frame_pix_fmt = enc->pix_fmt;
2589
            rfps      = ic->streams[i]->r_frame_rate.num;
2590
            rfps_base = ic->streams[i]->r_frame_rate.den;
2591
            if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2592
            if(me_threshold)
2593
                enc->debug |= FF_DEBUG_MV;
2594

    
2595
            if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2596

    
2597
                if (verbose >= 0)
2598
                    fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2599
                            i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2600

    
2601
                    (float)rfps / rfps_base, rfps, rfps_base);
2602
            }
2603
            /* update the current frame rate to match the stream frame rate */
2604
            frame_rate.num = rfps;
2605
            frame_rate.den = rfps_base;
2606

    
2607
            enc->rate_emu = rate_emu;
2608
            if(video_disable)
2609
                ic->streams[i]->discard= AVDISCARD_ALL;
2610
            else if(video_discard)
2611
                ic->streams[i]->discard= video_discard;
2612
            break;
2613
        case CODEC_TYPE_DATA:
2614
            break;
2615
        case CODEC_TYPE_SUBTITLE:
2616
            break;
2617
        case CODEC_TYPE_UNKNOWN:
2618
            break;
2619
        default:
2620
            abort();
2621
        }
2622
    }
2623

    
2624
    input_files[nb_input_files] = ic;
2625
    input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2626
    /* dump the file content */
2627
    if (verbose >= 0)
2628
        dump_format(ic, nb_input_files, filename, 0);
2629

    
2630
    nb_input_files++;
2631
    file_iformat = NULL;
2632
    file_oformat = NULL;
2633

    
2634
    video_channel = 0;
2635

    
2636
    rate_emu = 0;
2637
}
2638

    
2639
static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2640
{
2641
    int has_video, has_audio, i, j;
2642
    AVFormatContext *ic;
2643

    
2644
    has_video = 0;
2645
    has_audio = 0;
2646
    for(j=0;j<nb_input_files;j++) {
2647
        ic = input_files[j];
2648
        for(i=0;i<ic->nb_streams;i++) {
2649
            AVCodecContext *enc = ic->streams[i]->codec;
2650
            switch(enc->codec_type) {
2651
            case CODEC_TYPE_AUDIO:
2652
                has_audio = 1;
2653
                break;
2654
            case CODEC_TYPE_VIDEO:
2655
                has_video = 1;
2656
                break;
2657
            case CODEC_TYPE_DATA:
2658
            case CODEC_TYPE_UNKNOWN:
2659
            case CODEC_TYPE_SUBTITLE:
2660
                break;
2661
            default:
2662
                abort();
2663
            }
2664
        }
2665
    }
2666
    *has_video_ptr = has_video;
2667
    *has_audio_ptr = has_audio;
2668
}
2669

    
2670
static void new_video_stream(AVFormatContext *oc)
2671
{
2672
    AVStream *st;
2673
    AVCodecContext *video_enc;
2674
    int codec_id;
2675

    
2676
    st = av_new_stream(oc, oc->nb_streams);
2677
    if (!st) {
2678
        fprintf(stderr, "Could not alloc stream\n");
2679
        exit(1);
2680
    }
2681
    avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2682
    bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2683
    video_bitstream_filters= NULL;
2684

    
2685
    if(thread_count>1)
2686
        avcodec_thread_init(st->codec, thread_count);
2687

    
2688
    video_enc = st->codec;
2689

    
2690
    if(video_codec_tag)
2691
        video_enc->codec_tag= video_codec_tag;
2692

    
2693
    if(   (video_global_header&1)
2694
       || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2695
        video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2696
        avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2697
    }
2698
    if(video_global_header&2){
2699
        video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2700
        avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2701
    }
2702

    
2703
    if (video_stream_copy) {
2704
        st->stream_copy = 1;
2705
        video_enc->codec_type = CODEC_TYPE_VIDEO;
2706
    } else {
2707
        char *p;
2708
        int i;
2709
        AVCodec *codec;
2710

    
2711
        codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2712
        if (video_codec_id != CODEC_ID_NONE)
2713
            codec_id = video_codec_id;
2714

    
2715
        video_enc->codec_id = codec_id;
2716
        codec = avcodec_find_encoder(codec_id);
2717

    
2718
        for(i=0; i<opt_name_count; i++){
2719
             const AVOption *opt;
2720
             double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2721
             if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2722
                 av_set_double(video_enc, opt_names[i], d);
2723
        }
2724

    
2725
        video_enc->time_base.den = frame_rate.num;
2726
        video_enc->time_base.num = frame_rate.den;
2727
        if(codec && codec->supported_framerates){
2728
            const AVRational *p= codec->supported_framerates;
2729
            AVRational req= (AVRational){frame_rate.num, frame_rate.den};
2730
            const AVRational *best=NULL;
2731
            AVRational best_error= (AVRational){INT_MAX, 1};
2732
            for(; p->den!=0; p++){
2733
                AVRational error= av_sub_q(req, *p);
2734
                if(error.num <0) error.num *= -1;
2735
                if(av_cmp_q(error, best_error) < 0){
2736
                    best_error= error;
2737
                    best= p;
2738
                }
2739
            }
2740
            video_enc->time_base.den= best->num;
2741
            video_enc->time_base.num= best->den;
2742
        }
2743

    
2744
        video_enc->width = frame_width + frame_padright + frame_padleft;
2745
        video_enc->height = frame_height + frame_padtop + frame_padbottom;
2746
        video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2747
        video_enc->pix_fmt = frame_pix_fmt;
2748

    
2749
        if(codec && codec->pix_fmts){
2750
            const enum PixelFormat *p= codec->pix_fmts;
2751
            for(; *p!=-1; p++){
2752
                if(*p == video_enc->pix_fmt)
2753
                    break;
2754
            }
2755
            if(*p == -1)
2756
                video_enc->pix_fmt = codec->pix_fmts[0];
2757
        }
2758

    
2759
        if (intra_only)
2760
            video_enc->gop_size = 0;
2761
        if (video_qscale || same_quality) {
2762
            video_enc->flags |= CODEC_FLAG_QSCALE;
2763
            video_enc->global_quality=
2764
                st->quality = FF_QP2LAMBDA * video_qscale;
2765
        }
2766

    
2767
        if(intra_matrix)
2768
            video_enc->intra_matrix = intra_matrix;
2769
        if(inter_matrix)
2770
            video_enc->inter_matrix = inter_matrix;
2771

    
2772
        video_enc->max_qdiff = video_qdiff;
2773
        video_enc->rc_eq = video_rc_eq;
2774
        video_enc->thread_count = thread_count;
2775
        p= video_rc_override_string;
2776
        for(i=0; p; i++){
2777
            int start, end, q;
2778
            int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2779
            if(e!=3){
2780
                fprintf(stderr, "error parsing rc_override\n");
2781
                exit(1);
2782
            }
2783
            video_enc->rc_override=
2784
                av_realloc(video_enc->rc_override,
2785
                           sizeof(RcOverride)*(i+1));
2786
            video_enc->rc_override[i].start_frame= start;
2787
            video_enc->rc_override[i].end_frame  = end;
2788
            if(q>0){
2789
                video_enc->rc_override[i].qscale= q;
2790
                video_enc->rc_override[i].quality_factor= 1.0;
2791
            }
2792
            else{
2793
                video_enc->rc_override[i].qscale= 0;
2794
                video_enc->rc_override[i].quality_factor= -q/100.0;
2795
            }
2796
            p= strchr(p, '/');
2797
            if(p) p++;
2798
        }
2799
        video_enc->rc_override_count=i;
2800
        if (!video_enc->rc_initial_buffer_occupancy)
2801
            video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2802
        video_enc->me_threshold= me_threshold;
2803
        video_enc->intra_dc_precision= intra_dc_precision - 8;
2804
        video_enc->strict_std_compliance = strict;
2805

    
2806
        if (do_psnr)
2807
            video_enc->flags|= CODEC_FLAG_PSNR;
2808

    
2809
        /* two pass mode */
2810
        if (do_pass) {
2811
            if (do_pass == 1) {
2812
                video_enc->flags |= CODEC_FLAG_PASS1;
2813
            } else {
2814
                video_enc->flags |= CODEC_FLAG_PASS2;
2815
            }
2816
        }
2817
    }
2818

    
2819
    /* reset some key parameters */
2820
    video_disable = 0;
2821
    video_codec_id = CODEC_ID_NONE;
2822
    video_stream_copy = 0;
2823
}
2824

    
2825
static void new_audio_stream(AVFormatContext *oc)
2826
{
2827
    AVStream *st;
2828
    AVCodecContext *audio_enc;
2829
    int codec_id, i;
2830

    
2831
    st = av_new_stream(oc, oc->nb_streams);
2832
    if (!st) {
2833
        fprintf(stderr, "Could not alloc stream\n");
2834
        exit(1);
2835
    }
2836
    avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
2837

    
2838
    bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2839
    audio_bitstream_filters= NULL;
2840

    
2841
    if(thread_count>1)
2842
        avcodec_thread_init(st->codec, thread_count);
2843

    
2844
    audio_enc = st->codec;
2845
    audio_enc->codec_type = CODEC_TYPE_AUDIO;
2846
    audio_enc->strict_std_compliance = strict;
2847

    
2848
    if(audio_codec_tag)
2849
        audio_enc->codec_tag= audio_codec_tag;
2850

    
2851
    if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2852
        audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2853
        avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2854
    }
2855
    if (audio_stream_copy) {
2856
        st->stream_copy = 1;
2857
        audio_enc->channels = audio_channels;
2858
    } else {
2859
        codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2860

    
2861
        for(i=0; i<opt_name_count; i++){
2862
            const AVOption *opt;
2863
            double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2864
            if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2865
                av_set_double(audio_enc, opt_names[i], d);
2866
        }
2867

    
2868
        if (audio_codec_id != CODEC_ID_NONE)
2869
            codec_id = audio_codec_id;
2870
        audio_enc->codec_id = codec_id;
2871

    
2872
        if (audio_qscale > QSCALE_NONE) {
2873
            audio_enc->flags |= CODEC_FLAG_QSCALE;
2874
            audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2875
        }
2876
        audio_enc->thread_count = thread_count;
2877
        audio_enc->channels = audio_channels;
2878
    }
2879
    audio_enc->sample_rate = audio_sample_rate;
2880
    audio_enc->time_base= (AVRational){1, audio_sample_rate};
2881
    if (audio_language) {
2882
        av_strlcpy(st->language, audio_language, sizeof(st->language));
2883
        av_free(audio_language);
2884
        audio_language = NULL;
2885
    }
2886

    
2887
    /* reset some key parameters */
2888
    audio_disable = 0;
2889
    audio_codec_id = CODEC_ID_NONE;
2890
    audio_stream_copy = 0;
2891
}
2892

    
2893
static void opt_new_subtitle_stream(void)
2894
{
2895
    AVFormatContext *oc;
2896
    AVStream *st;
2897
    AVCodecContext *subtitle_enc;
2898
    int i;
2899

    
2900
    if (nb_output_files <= 0) {
2901
        fprintf(stderr, "At least one output file must be specified\n");
2902
        exit(1);
2903
    }
2904
    oc = output_files[nb_output_files - 1];
2905

    
2906
    st = av_new_stream(oc, oc->nb_streams);
2907
    if (!st) {
2908
        fprintf(stderr, "Could not alloc stream\n");
2909
        exit(1);
2910
    }
2911
    avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
2912

    
2913
    subtitle_enc = st->codec;
2914
    subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2915
    if (subtitle_stream_copy) {
2916
        st->stream_copy = 1;
2917
    } else {
2918
        for(i=0; i<opt_name_count; i++){
2919
             const AVOption *opt;
2920
             double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2921
             if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2922
                 av_set_double(subtitle_enc, opt_names[i], d);
2923
        }
2924
        subtitle_enc->codec_id = subtitle_codec_id;
2925
    }
2926

    
2927
    if (subtitle_language) {
2928
        av_strlcpy(st->language, subtitle_language, sizeof(st->language));
2929
        av_free(subtitle_language);
2930
        subtitle_language = NULL;
2931
    }
2932

    
2933
    subtitle_codec_id = CODEC_ID_NONE;
2934
    subtitle_stream_copy = 0;
2935
}
2936

    
2937
static void opt_new_audio_stream(void)
2938
{
2939
    AVFormatContext *oc;
2940
    if (nb_output_files <= 0) {
2941
        fprintf(stderr, "At least one output file must be specified\n");
2942
        exit(1);
2943
    }
2944
    oc = output_files[nb_output_files - 1];
2945
    new_audio_stream(oc);
2946
}
2947

    
2948
static void opt_new_video_stream(void)
2949
{
2950
    AVFormatContext *oc;
2951
    if (nb_output_files <= 0) {
2952
        fprintf(stderr, "At least one output file must be specified\n");
2953
        exit(1);
2954
    }
2955
    oc = output_files[nb_output_files - 1];
2956
    new_video_stream(oc);
2957
}
2958

    
2959
static void opt_output_file(const char *filename)
2960
{
2961
    AVFormatContext *oc;
2962
    int use_video, use_audio, input_has_video, input_has_audio, i;
2963
    AVFormatParameters params, *ap = &params;
2964

    
2965
    if (!strcmp(filename, "-"))
2966
        filename = "pipe:";
2967

    
2968
    oc = av_alloc_format_context();
2969

    
2970
    if (!file_oformat) {
2971
        file_oformat = guess_format(NULL, filename, NULL);
2972
        if (!file_oformat) {
2973
            fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
2974
                    filename);
2975
            exit(1);
2976
        }
2977
    }
2978

    
2979
    oc->oformat = file_oformat;
2980
    av_strlcpy(oc->filename, filename, sizeof(oc->filename));
2981

    
2982
    if (!strcmp(file_oformat->name, "ffm") &&
2983
        av_strstart(filename, "http:", NULL)) {
2984
        /* special case for files sent to ffserver: we get the stream
2985
           parameters from ffserver */
2986
        if (read_ffserver_streams(oc, filename) < 0) {
2987
            fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2988
            exit(1);
2989
        }
2990
    } else {
2991
        use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_id != CODEC_ID_NONE;
2992
        use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_id != CODEC_ID_NONE;
2993

    
2994
        /* disable if no corresponding type found and at least one
2995
           input file */
2996
        if (nb_input_files > 0) {
2997
            check_audio_video_inputs(&input_has_video, &input_has_audio);
2998
            if (!input_has_video)
2999
                use_video = 0;
3000
            if (!input_has_audio)
3001
                use_audio = 0;
3002
        }
3003

    
3004
        /* manual disable */
3005
        if (audio_disable) {
3006
            use_audio = 0;
3007
        }
3008
        if (video_disable) {
3009
            use_video = 0;
3010
        }
3011

    
3012
        if (use_video) {
3013
            new_video_stream(oc);
3014
        }
3015

    
3016
        if (use_audio) {
3017
            new_audio_stream(oc);
3018
        }
3019

    
3020
        oc->timestamp = rec_timestamp;
3021

    
3022
        if (str_title)
3023
            av_strlcpy(oc->title, str_title, sizeof(oc->title));
3024
        if (str_author)
3025
            av_strlcpy(oc->author, str_author, sizeof(oc->author));
3026
        if (str_copyright)
3027
            av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3028
        if (str_comment)
3029
            av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3030
        if (str_album)
3031
            av_strlcpy(oc->album, str_album, sizeof(oc->album));
3032
    }
3033

    
3034
    output_files[nb_output_files++] = oc;
3035

    
3036
    /* check filename in case of an image number is expected */
3037
    if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3038
        if (!av_filename_number_test(oc->filename)) {
3039
            print_error(oc->filename, AVERROR_NUMEXPECTED);
3040
            exit(1);
3041
        }
3042
    }
3043

    
3044
    if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3045
        /* test if it already exists to avoid loosing precious files */
3046
        if (!file_overwrite &&
3047
            (strchr(filename, ':') == NULL ||
3048
             av_strstart(filename, "file:", NULL))) {
3049
            if (url_exist(filename)) {
3050
                int c;
3051

    
3052
                if ( !using_stdin ) {
3053
                    fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3054
                    fflush(stderr);
3055
                    c = getchar();
3056
                    if (toupper(c) != 'Y') {
3057
                        fprintf(stderr, "Not overwriting - exiting\n");
3058
                        exit(1);
3059
                    }
3060
                                }
3061
                                else {
3062
                    fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3063
                    exit(1);
3064
                                }
3065
            }
3066
        }
3067

    
3068
        /* open the file */
3069
        if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3070
            fprintf(stderr, "Could not open '%s'\n", filename);
3071
            exit(1);
3072
        }
3073
    }
3074

    
3075
    memset(ap, 0, sizeof(*ap));
3076
    if (av_set_parameters(oc, ap) < 0) {
3077
        fprintf(stderr, "%s: Invalid encoding parameters\n",
3078
                oc->filename);
3079
        exit(1);
3080
    }
3081

    
3082
    oc->preload= (int)(mux_preload*AV_TIME_BASE);
3083
    oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3084
    oc->loop_output = loop_output;
3085

    
3086
    for(i=0; i<opt_name_count; i++){
3087
        const AVOption *opt;
3088
        double d = av_get_double(avformat_opts, opt_names[i], &opt);
3089
        if(d==d && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3090
            av_set_double(oc, opt_names[i], d);
3091
    }
3092

    
3093
    /* reset some options */
3094
    file_oformat = NULL;
3095
    file_iformat = NULL;
3096
}
3097

    
3098
/* same option as mencoder */
3099
static void opt_pass(const char *pass_str)
3100
{
3101
    int pass;
3102
    pass = atoi(pass_str);
3103
    if (pass != 1 && pass != 2) {
3104
        fprintf(stderr, "pass number can be only 1 or 2\n");
3105
        exit(1);
3106
    }
3107
    do_pass = pass;
3108
}
3109

    
3110
static int64_t getutime(void)
3111
{
3112
#ifdef HAVE_GETRUSAGE
3113
    struct rusage rusage;
3114

    
3115
    getrusage(RUSAGE_SELF, &rusage);
3116
    return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3117
#elif defined(HAVE_GETPROCESSTIMES)
3118
    HANDLE proc;
3119
    FILETIME c, e, k, u;
3120
    proc = GetCurrentProcess();
3121
    GetProcessTimes(proc, &c, &e, &k, &u);
3122
    return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3123
#else
3124
  return av_gettime();
3125
#endif
3126
}
3127

    
3128
#if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3129
extern int ffm_nopts;
3130
#endif
3131

    
3132
static void show_formats(void)
3133
{
3134
    AVInputFormat *ifmt;
3135
    AVOutputFormat *ofmt;
3136
    URLProtocol *up;
3137
    AVCodec *p, *p2;
3138
    const char *last_name;
3139

    
3140
    printf("File formats:\n");
3141
    last_name= "000";
3142
    for(;;){
3143
        int decode=0;
3144
        int encode=0;
3145
        const char *name=NULL;
3146
        const char *long_name=NULL;
3147

    
3148
        for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3149
            if((name == NULL || strcmp(ofmt->name, name)<0) &&
3150
                strcmp(ofmt->name, last_name)>0){
3151
                name= ofmt->name;
3152
                long_name= ofmt->long_name;
3153
                encode=1;
3154
            }
3155
        }
3156
        for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3157
            if((name == NULL || strcmp(ifmt->name, name)<0) &&
3158
                strcmp(ifmt->name, last_name)>0){
3159
                name= ifmt->name;
3160
                long_name= ifmt->long_name;
3161
                encode=0;
3162
            }
3163
            if(name && strcmp(ifmt->name, name)==0)
3164
                decode=1;
3165
        }
3166
        if(name==NULL)
3167
            break;
3168
        last_name= name;
3169

    
3170
        printf(
3171
            " %s%s %-15s %s\n",
3172
            decode ? "D":" ",
3173
            encode ? "E":" ",
3174
            name,
3175
            long_name ? long_name:" ");
3176
    }
3177
    printf("\n");
3178

    
3179
    printf("Codecs:\n");
3180
    last_name= "000";
3181
    for(;;){
3182
        int decode=0;
3183
        int encode=0;
3184
        int cap=0;
3185
        const char *type_str;
3186

    
3187
        p2=NULL;
3188
        for(p = first_avcodec; p != NULL; p = p->next) {
3189
            if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3190
                strcmp(p->name, last_name)>0){
3191
                p2= p;
3192
                decode= encode= cap=0;
3193
            }
3194
            if(p2 && strcmp(p->name, p2->name)==0){
3195
                if(p->decode) decode=1;
3196
                if(p->encode) encode=1;
3197
                cap |= p->capabilities;
3198
            }
3199
        }
3200
        if(p2==NULL)
3201
            break;
3202
        last_name= p2->name;
3203

    
3204
        switch(p2->type) {
3205
        case CODEC_TYPE_VIDEO:
3206
            type_str = "V";
3207
            break;
3208
        case CODEC_TYPE_AUDIO:
3209
            type_str = "A";
3210
            break;
3211
        case CODEC_TYPE_SUBTITLE:
3212
            type_str = "S";
3213
            break;
3214
        default:
3215
            type_str = "?";
3216
            break;
3217
        }
3218
        printf(
3219
            " %s%s%s%s%s%s %s",
3220
            decode ? "D": (/*p2->decoder ? "d":*/" "),
3221
            encode ? "E":" ",
3222
            type_str,
3223
            cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3224
            cap & CODEC_CAP_DR1 ? "D":" ",
3225
            cap & CODEC_CAP_TRUNCATED ? "T":" ",
3226
            p2->name);
3227
       /* if(p2->decoder && decode==0)
3228
            printf(" use %s for decoding", p2->decoder->name);*/
3229
        printf("\n");
3230
    }
3231
    printf("\n");
3232

    
3233
    printf("Supported file protocols:\n");
3234
    for(up = first_protocol; up != NULL; up = up->next)
3235
        printf(" %s:", up->name);
3236
    printf("\n");
3237

    
3238
    printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3239
    printf("\n");
3240
    printf(
3241
"Note, the names of encoders and decoders do not always match, so there are\n"
3242
"several cases where the above table shows encoder only or decoder only entries\n"
3243
"even though both encoding and decoding are supported. For example, the h263\n"
3244
"decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
3245
"worse.\n");
3246
    exit(1);
3247
}
3248

    
3249
static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3250
{
3251
    int i;
3252
    const char *p = str;
3253
    for(i = 0;; i++) {
3254
        dest[i] = atoi(p);
3255
        if(i == 63)
3256
            break;
3257
        p = strchr(p, ',');
3258
        if(!p) {
3259
            fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3260
            exit(1);
3261
        }
3262
        p++;
3263
    }
3264
}
3265

    
3266
static void opt_inter_matrix(const char *arg)
3267
{
3268
    inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3269
    parse_matrix_coeffs(inter_matrix, arg);
3270
}
3271

    
3272
static void opt_intra_matrix(const char *arg)
3273
{
3274
    intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3275
    parse_matrix_coeffs(intra_matrix, arg);
3276
}
3277

    
3278
static void opt_target(const char *arg)
3279
{
3280
    int norm = -1;
3281
    static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3282

    
3283
    if(!strncmp(arg, "pal-", 4)) {
3284
        norm = 0;
3285
        arg += 4;
3286
    } else if(!strncmp(arg, "ntsc-", 5)) {
3287
        norm = 1;
3288
        arg += 5;
3289
    } else if(!strncmp(arg, "film-", 5)) {
3290
        norm = 2;
3291
        arg += 5;
3292
    } else {
3293
        int fr;
3294
        /* Calculate FR via float to avoid int overflow */
3295
        fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3296
        if(fr == 25000) {
3297
            norm = 0;
3298
        } else if((fr == 29970) || (fr == 23976)) {
3299
            norm = 1;
3300
        } else {
3301
            /* Try to determine PAL/NTSC by peeking in the input files */
3302
            if(nb_input_files) {
3303
                int i, j;
3304
                for(j = 0; j < nb_input_files; j++) {
3305
                    for(i = 0; i < input_files[j]->nb_streams; i++) {
3306
                        AVCodecContext *c = input_files[j]->streams[i]->codec;
3307
                        if(c->codec_type != CODEC_TYPE_VIDEO)
3308
                            continue;
3309
                        fr = c->time_base.den * 1000 / c->time_base.num;
3310
                        if(fr == 25000) {
3311
                            norm = 0;
3312
                            break;
3313
                        } else if((fr == 29970) || (fr == 23976)) {
3314
                            norm = 1;
3315
                            break;
3316
                        }
3317
                    }
3318
                    if(norm >= 0)
3319
                        break;
3320
                }
3321
            }
3322
        }
3323
        if(verbose && norm >= 0)
3324
            fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3325
    }
3326

    
3327
    if(norm < 0) {
3328
        fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3329
        fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3330
        fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3331
        exit(1);
3332
    }
3333

    
3334
    if(!strcmp(arg, "vcd")) {
3335

    
3336
        opt_video_codec("mpeg1video");
3337
        opt_audio_codec("mp2");
3338
        opt_format("vcd");
3339

    
3340
        opt_frame_size(norm ? "352x240" : "352x288");
3341
        opt_frame_rate(frame_rates[norm]);
3342
        opt_default("gop", norm ? "18" : "15");
3343

    
3344
        opt_default("b", "1150000");
3345
        opt_default("maxrate", "1150000");
3346
        opt_default("minrate", "1150000");
3347
        opt_default("bufsize", "327680"); // 40*1024*8;
3348

    
3349
        opt_default("ab", "224000");
3350
        audio_sample_rate = 44100;
3351
        audio_channels = 2;
3352

    
3353
        opt_default("packetsize", "2324");
3354
        opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3355

    
3356
        /* We have to offset the PTS, so that it is consistent with the SCR.
3357
           SCR starts at 36000, but the first two packs contain only padding
3358
           and the first pack from the other stream, respectively, may also have
3359
           been written before.
3360
           So the real data starts at SCR 36000+3*1200. */
3361
        mux_preload= (36000+3*1200) / 90000.0; //0.44
3362
    } else if(!strcmp(arg, "svcd")) {
3363

    
3364
        opt_video_codec("mpeg2video");
3365
        opt_audio_codec("mp2");
3366
        opt_format("svcd");
3367

    
3368
        opt_frame_size(norm ? "480x480" : "480x576");
3369
        opt_frame_rate(frame_rates[norm]);
3370
        opt_default("gop", norm ? "18" : "15");
3371

    
3372
        opt_default("b", "2040000");
3373
        opt_default("maxrate", "2516000");
3374
        opt_default("minrate", "0"); //1145000;
3375
        opt_default("bufsize", "1835008"); //224*1024*8;
3376
        opt_default("flags", "+SCAN_OFFSET");
3377

    
3378

    
3379
        opt_default("ab", "224000");
3380
        audio_sample_rate = 44100;
3381

    
3382
        opt_default("packetsize", "2324");
3383

    
3384
    } else if(!strcmp(arg, "dvd")) {
3385

    
3386
        opt_video_codec("mpeg2video");
3387
        opt_audio_codec("ac3");
3388
        opt_format("dvd");
3389

    
3390
        opt_frame_size(norm ? "720x480" : "720x576");
3391
        opt_frame_rate(frame_rates[norm]);
3392
        opt_default("gop", norm ? "18" : "15");
3393

    
3394
        opt_default("b", "6000000");
3395
        opt_default("maxrate", "9000000");
3396
        opt_default("minrate", "0"); //1500000;
3397
        opt_default("bufsize", "1835008"); //224*1024*8;
3398

    
3399
        opt_default("packetsize", "2048");  // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3400
        opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3401

    
3402
        opt_default("ab", "448000");
3403
        audio_sample_rate = 48000;
3404

    
3405
    } else if(!strncmp(arg, "dv", 2)) {
3406

    
3407
        opt_format("dv");
3408

    
3409
        opt_frame_size(norm ? "720x480" : "720x576");
3410
        opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3411
                                             (norm ? "yuv411p" : "yuv420p"));
3412
        opt_frame_rate(frame_rates[norm]);
3413

    
3414
        audio_sample_rate = 48000;
3415
        audio_channels = 2;
3416

    
3417
    } else {
3418
        fprintf(stderr, "Unknown target: %s\n", arg);
3419
        exit(1);
3420
    }
3421
}
3422

    
3423
static void opt_vstats_file (const char *arg)
3424
{
3425
    av_free (vstats_filename);
3426
    vstats_filename=av_strdup (arg);
3427
}
3428

    
3429
static void opt_vstats (void)
3430
{
3431
    char filename[40];
3432
    time_t today2 = time(NULL);
3433
    struct tm *today = localtime(&today2);
3434

    
3435
    snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3436
             today->tm_sec);
3437
    opt_vstats_file(filename);
3438
}
3439

    
3440
static void opt_video_bsf(const char *arg)
3441
{
3442
    AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3443
    AVBitStreamFilterContext **bsfp;
3444

    
3445
    if(!bsfc){
3446
        fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3447
        exit(1);
3448
    }
3449

    
3450
    bsfp= &video_bitstream_filters;
3451
    while(*bsfp)
3452
        bsfp= &(*bsfp)->next;
3453

    
3454
    *bsfp= bsfc;
3455
}
3456

    
3457
//FIXME avoid audio - video code duplication
3458
static void opt_audio_bsf(const char *arg)
3459
{
3460
    AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3461
    AVBitStreamFilterContext **bsfp;
3462

    
3463
    if(!bsfc){
3464
        fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3465
        exit(1);
3466
    }
3467

    
3468
    bsfp= &audio_bitstream_filters;
3469
    while(*bsfp)
3470
        bsfp= &(*bsfp)->next;
3471

    
3472
    *bsfp= bsfc;
3473
}
3474

    
3475
static void show_version(void)
3476
{
3477
    /* TODO: add function interface to avutil and avformat */
3478
    fprintf(stderr, "ffmpeg      " FFMPEG_VERSION "\n"
3479
           "libavutil   %d\n"
3480
           "libavcodec  %d\n"
3481
           "libavformat %d\n",
3482
           LIBAVUTIL_BUILD, avcodec_build(), LIBAVFORMAT_BUILD);
3483
    exit(1);
3484
}
3485

    
3486
static int opt_default(const char *opt, const char *arg){
3487
    int type;
3488
    const AVOption *o= NULL;
3489
    int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
3490

    
3491
    for(type=0; type<CODEC_TYPE_NB; type++){
3492
        const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
3493
        if(o2)
3494
            o = av_set_string(avctx_opts[type], opt, arg);
3495
    }
3496
    if(!o)
3497
        o = av_set_string(avformat_opts, opt, arg);
3498
    if(!o)
3499
        o = av_set_string(sws_opts, opt, arg);
3500
    if(!o){
3501
        if(opt[0] == 'a')
3502
            o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
3503
        else if(opt[0] == 'v')
3504
            o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
3505
        else if(opt[0] == 's')
3506
            o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
3507
    }
3508
    if(!o)
3509
        return -1;
3510

    
3511
//    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));
3512

    
3513
    //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
3514
    opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
3515
    opt_names[opt_name_count++]= o->name;
3516

    
3517
#if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3518
    /* disable generate of real time pts in ffm (need to be supressed anyway) */
3519
    if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
3520
        ffm_nopts = 1;
3521
#endif
3522

    
3523
    if(avctx_opts[0]->debug)
3524
        av_log_level = AV_LOG_DEBUG;
3525
    return 0;
3526
}
3527

    
3528
const OptionDef options[] = {
3529
    /* main options */
3530
    { "L", 0, {(void*)show_license}, "show license" },
3531
    { "h", 0, {(void*)show_help}, "show help" },
3532
    { "version", 0, {(void*)show_version}, "show version" },
3533
    { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3534
    { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3535
    { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3536
    { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3537
    { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3538
    { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3539
    { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
3540
    { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3541
    { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3542
    { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3543
    { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3544
    { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3545
    { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3546
    { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3547
    { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3548
    { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3549
    { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3550
      "add timings for benchmarking" },
3551
    { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3552
      "dump each input packet" },
3553
    { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3554
      "when dumping packets, also dump the payload" },
3555
    { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3556
    { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3557
    { "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)", "" },
3558
    { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3559
    { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3560
    { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3561
    { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3562
    { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3563
    { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3564
    { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)&copy_ts}, "copy timestamps" },
3565
    { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3566
    { "dts_delta_threshold", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3567

    
3568
    /* video options */
3569
    { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3570
    { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3571
    { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3572
    { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3573
    { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3574
    { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format, 'list' as argument shows all the pixel formats supported", "format" },
3575
    { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3576
    { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3577
    { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3578
    { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3579
    { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3580
    { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3581
    { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3582
    { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3583
    { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3584
    { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3585
    { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3586
    { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3587
    { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3588
    { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3589
    { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
3590
    { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3591
    { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3592
    { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold",  "" },
3593
    { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3594
    { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3595
      "use same video quality as source (implies VBR)" },
3596
    { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3597
    { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3598
    { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3599
      "deinterlace pictures" },
3600
    { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3601
    { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3602
    { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3603
    { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3604
    { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3605
    { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3606
    { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3607
    { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3608
    { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3609
    { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3610
    { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3611

    
3612
    /* audio options */
3613
    { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3614
    { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3615
    { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3616
    { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3617
    { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3618
    { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3619
    { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3620
    { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3621
    { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3622
    { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3623

    
3624
    /* subtitle options */
3625
    { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3626
    { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3627
    { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3628

    
3629
    /* grab options */
3630
    { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3631
    { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3632
    { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3633

    
3634
    /* muxer options */
3635
    { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3636
    { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3637

    
3638
    { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_audio_bsf}, "", "bitstream filter" },
3639
    { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_video_bsf}, "", "bitstream filter" },
3640

    
3641
    { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3642
    { NULL, },
3643
};
3644

    
3645
static void show_banner(void)
3646
{
3647
    fprintf(stderr, "FFmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2007 Fabrice Bellard, et al.\n");
3648
    fprintf(stderr, "  configuration: " FFMPEG_CONFIGURATION "\n");
3649
    fprintf(stderr, "  libavutil version: " AV_STRINGIFY(LIBAVUTIL_VERSION) "\n");
3650
    fprintf(stderr, "  libavcodec version: " AV_STRINGIFY(LIBAVCODEC_VERSION) "\n");
3651
    fprintf(stderr, "  libavformat version: " AV_STRINGIFY(LIBAVFORMAT_VERSION) "\n");
3652
    fprintf(stderr, "  built on " __DATE__ " " __TIME__);
3653
#ifdef __GNUC__
3654
    fprintf(stderr, ", gcc: " __VERSION__ "\n");
3655
#else
3656
    fprintf(stderr, ", using a non-gcc compiler\n");
3657
#endif
3658
}
3659

    
3660
static void show_license(void)
3661
{
3662
    show_banner();
3663
#ifdef CONFIG_GPL
3664
    printf(
3665
    "FFmpeg is free software; you can redistribute it and/or modify\n"
3666
    "it under the terms of the GNU General Public License as published by\n"
3667
    "the Free Software Foundation; either version 2 of the License, or\n"
3668
    "(at your option) any later version.\n"
3669
    "\n"
3670
    "FFmpeg is distributed in the hope that it will be useful,\n"
3671
    "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3672
    "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
3673
    "GNU General Public License for more details.\n"
3674
    "\n"
3675
    "You should have received a copy of the GNU General Public License\n"
3676
    "along with FFmpeg; if not, write to the Free Software\n"
3677
    "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
3678
    );
3679
#else
3680
    printf(
3681
    "FFmpeg is free software; you can redistribute it and/or\n"
3682
    "modify it under the terms of the GNU Lesser General Public\n"
3683
    "License as published by the Free Software Foundation; either\n"
3684
    "version 2.1 of the License, or (at your option) any later version.\n"
3685
    "\n"
3686
    "FFmpeg is distributed in the hope that it will be useful,\n"
3687
    "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3688
    "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\n"
3689
    "Lesser General Public License for more details.\n"
3690
    "\n"
3691
    "You should have received a copy of the GNU Lesser General Public\n"
3692
    "License along with FFmpeg; if not, write to the Free Software\n"
3693
    "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
3694
    );
3695
#endif
3696
    exit(1);
3697
}
3698

    
3699
/**
3700
 * Trivial log callback.
3701
 * Only suitable for show_help and similar since it lacks prefix handling.
3702
 */
3703
static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3704
{
3705
    vfprintf(stdout, fmt, vl);
3706
}
3707

    
3708
static void show_help(void)
3709
{
3710
    av_log_set_callback(log_callback_help);
3711
    show_banner();
3712
    printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3713
           "Hyper fast Audio and Video encoder\n");
3714
    printf("\n");
3715
    show_help_options(options, "Main options:\n",
3716
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3717
    show_help_options(options, "\nVideo options:\n",
3718
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3719
                      OPT_VIDEO);
3720
    show_help_options(options, "\nAdvanced Video options:\n",
3721
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3722
                      OPT_VIDEO | OPT_EXPERT);
3723
    show_help_options(options, "\nAudio options:\n",
3724
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3725
                      OPT_AUDIO);
3726
    show_help_options(options, "\nAdvanced Audio options:\n",
3727
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3728
                      OPT_AUDIO | OPT_EXPERT);
3729
    show_help_options(options, "\nSubtitle options:\n",
3730
                      OPT_SUBTITLE | OPT_GRAB,
3731
                      OPT_SUBTITLE);
3732
    show_help_options(options, "\nAudio/Video grab options:\n",
3733
                      OPT_GRAB,
3734
                      OPT_GRAB);
3735
    show_help_options(options, "\nAdvanced options:\n",
3736
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3737
                      OPT_EXPERT);
3738
    av_opt_show(avctx_opts[0], NULL);
3739
    av_opt_show(avformat_opts, NULL);
3740
    av_opt_show(sws_opts, NULL);
3741

    
3742
    exit(1);
3743
}
3744

    
3745
void parse_arg_file(const char *filename)
3746
{
3747
    opt_output_file(filename);
3748
}
3749

    
3750
int main(int argc, char **argv)
3751
{
3752
    int i;
3753
    int64_t ti;
3754

    
3755
    av_register_all();
3756

    
3757
    for(i=0; i<CODEC_TYPE_NB; i++){
3758
        avctx_opts[i]= avcodec_alloc_context2(i);
3759
    }
3760
    avformat_opts = av_alloc_format_context();
3761
    sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3762

    
3763
    if (argc <= 1)
3764
        show_help();
3765
    else
3766
        show_banner();
3767

    
3768
    /* parse options */
3769
    parse_options(argc, argv, options);
3770

    
3771
    /* file converter / grab */
3772
    if (nb_output_files <= 0) {
3773
        fprintf(stderr, "Must supply at least one output file\n");
3774
        exit(1);
3775
    }
3776

    
3777
    if (nb_input_files == 0) {
3778
        fprintf(stderr, "Must supply at least one input file\n");
3779
        exit(1);
3780
    }
3781

    
3782
    ti = getutime();
3783
    av_encode(output_files, nb_output_files, input_files, nb_input_files,
3784
              stream_maps, nb_stream_maps);
3785
    ti = getutime() - ti;
3786
    if (do_benchmark) {
3787
        printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3788
    }
3789

    
3790
    /* close files */
3791
    for(i=0;i<nb_output_files;i++) {
3792
        /* maybe av_close_output_file ??? */
3793
        AVFormatContext *s = output_files[i];
3794
        int j;
3795
        if (!(s->oformat->flags & AVFMT_NOFILE))
3796
            url_fclose(&s->pb);
3797
        for(j=0;j<s->nb_streams;j++) {
3798
            av_free(s->streams[j]->codec);
3799
            av_free(s->streams[j]);
3800
        }
3801
        av_free(s);
3802
    }
3803
    for(i=0;i<nb_input_files;i++)
3804
        av_close_input_file(input_files[i]);
3805

    
3806
    av_free_static();
3807

    
3808
    av_free(intra_matrix);
3809
    av_free(inter_matrix);
3810

    
3811
    if (fvstats)
3812
        fclose(fvstats);
3813
    av_free(vstats_filename);
3814

    
3815
    av_free(opt_names);
3816

    
3817
    av_free(video_standard);
3818

    
3819
#ifdef CONFIG_POWERPC_PERF
3820
    extern void powerpc_display_perf_report(void);
3821
    powerpc_display_perf_report();
3822
#endif /* CONFIG_POWERPC_PERF */
3823

    
3824
    if (received_sigterm) {
3825
        fprintf(stderr,
3826
            "Received signal %d: terminating.\n",
3827
            (int) received_sigterm);
3828
        exit (255);
3829
    }
3830

    
3831
    exit(0); /* not all OS-es handle main() return value */
3832
    return 0;
3833
}