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/*
2
 * FFmpeg main 
3
 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
4
 *
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 * This library is free software; you can redistribute it and/or
6
 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
14
 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 */
19
#define HAVE_AV_CONFIG_H
20
#include "avformat.h"
21
#include "framehook.h"
22

    
23
#ifndef CONFIG_WIN32
24
#include <unistd.h>
25
#include <fcntl.h>
26
#include <sys/ioctl.h>
27
#include <sys/time.h>
28
#include <termios.h>
29
#include <sys/resource.h>
30
#endif
31
#include <time.h>
32
#include <ctype.h>
33

    
34
#if !defined(INFINITY) && defined(HUGE_VAL)
35
#define INFINITY HUGE_VAL
36
#endif
37

    
38
#define MAXINT64 INT64_C(0x7fffffffffffffff)
39

    
40
typedef struct {
41
    const char *name;
42
    int flags;
43
#define HAS_ARG    0x0001
44
#define OPT_BOOL   0x0002
45
#define OPT_EXPERT 0x0004
46
#define OPT_STRING 0x0008
47
    union {
48
        void (*func_arg)();
49
        int *int_arg;
50
        char **str_arg;
51
    } u;
52
    const char *help;
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    const char *argname;
54
} OptionDef;
55

    
56
/* select an input stream for an output stream */
57
typedef struct AVStreamMap {
58
    int file_index;
59
    int stream_index;
60
} AVStreamMap;
61

    
62
extern const OptionDef options[];
63

    
64
void show_help(void);
65

    
66
#define MAX_FILES 20
67

    
68
static AVFormatContext *input_files[MAX_FILES];
69
static int nb_input_files = 0;
70

    
71
static AVFormatContext *output_files[MAX_FILES];
72
static int nb_output_files = 0;
73

    
74
static AVStreamMap stream_maps[MAX_FILES];
75
static int nb_stream_maps;
76

    
77
static AVInputFormat *file_iformat;
78
static AVOutputFormat *file_oformat;
79
static int frame_width  = 160;
80
static int frame_height = 128;
81
static int frame_topBand  = 0;
82
static int frame_bottomBand = 0;
83
static int frame_leftBand  = 0;
84
static int frame_rightBand = 0;
85
static int frame_rate = 25 * FRAME_RATE_BASE;
86
extern int emulate_frame_rate;
87
static int video_bit_rate = 200*1000;
88
static int video_bit_rate_tolerance = 4000*1000;
89
static int video_qscale = 0;
90
static int video_qmin = 2;
91
static int video_qmax = 31;
92
static int video_mb_qmin = 2;
93
static int video_mb_qmax = 31;
94
static int video_qdiff = 3;
95
static float video_qblur = 0.5;
96
static float video_qcomp = 0.5;
97
#if 0 //experimental, (can be removed)
98
static float video_rc_qsquish=1.0;
99
static float video_rc_qmod_amp=0;
100
static int video_rc_qmod_freq=0;
101
#endif
102
static char *video_rc_override_string=NULL;
103
static char *video_rc_eq="tex^qComp";
104
static int video_rc_buffer_size=0;
105
static float video_rc_buffer_aggressivity=1.0;
106
static int video_rc_max_rate=0;
107
static int video_rc_min_rate=0;
108
static float video_rc_initial_cplx=0;
109
static float video_b_qfactor = 1.25;
110
static float video_b_qoffset = 1.25;
111
static float video_i_qfactor = -0.8;
112
static float video_i_qoffset = 0.0;
113
static int me_method = 0;
114
static int video_disable = 0;
115
static int video_codec_id = CODEC_ID_NONE;
116
static int same_quality = 0;
117
static int b_frames = 0;
118
static int use_hq = 0;
119
static int use_4mv = 0;
120
static int do_deinterlace = 0;
121
static int workaround_bugs = FF_BUG_AUTODETECT;
122
static int error_resilience = 2;
123
static int error_concealment = 3;
124
static int dct_algo = 0;
125
static int idct_algo = 0;
126
static int use_part = 0;
127
static int packet_size = 0;
128
static int strict = 0;
129
static int debug = 0;
130

    
131
static int gop_size = 12;
132
static int intra_only = 0;
133
static int audio_sample_rate = 44100;
134
static int audio_bit_rate = 64000;
135
static int audio_disable = 0;
136
static int audio_channels = 1;
137
static int audio_codec_id = CODEC_ID_NONE;
138

    
139
static INT64 recording_time = 0;
140
static int file_overwrite = 0;
141
static char *str_title = NULL;
142
static char *str_author = NULL;
143
static char *str_copyright = NULL;
144
static char *str_comment = NULL;
145
static int do_benchmark = 0;
146
static int do_hex_dump = 0;
147
static int do_play = 0;
148
static int do_psnr = 0;
149
static int do_vstats = 0;
150
static int do_pass = 0;
151
static char *pass_logfilename = NULL;
152
static int audio_stream_copy = 0;
153
static int video_stream_copy = 0;
154

    
155
#define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
156

    
157
#if !defined(CONFIG_AUDIO_OSS) && !defined(CONFIG_AUDIO_BEOS)
158
const char *audio_device = "none";
159
#endif
160
#ifndef CONFIG_VIDEO4LINUX
161
const char *v4l_device = "none";
162
#endif
163

    
164
typedef struct AVOutputStream {
165
    int file_index;          /* file index */
166
    int index;               /* stream index in the output file */
167
    int source_index;        /* AVInputStream index */
168
    AVStream *st;            /* stream in the output file */
169
    int encoding_needed;     /* true if encoding needed for this stream */
170
    int frame_number;
171
    /* input pts and corresponding output pts
172
       for A/V sync */
173
    double sync_ipts;
174
    double sync_ipts_offset;
175
    INT64 sync_opts;
176
    /* video only */
177
    int video_resample;      /* video_resample and video_crop are mutually exclusive */
178
    AVPicture pict_tmp;      /* temporary image for resampling */
179
    ImgReSampleContext *img_resample_ctx; /* for image resampling */
180

    
181
    int video_crop;          /* video_resample and video_crop are mutually exclusive */
182
    int topBand;             /* cropping area sizes */
183
    int leftBand;
184
    
185
    /* audio only */
186
    int audio_resample;
187
    ReSampleContext *resample; /* for audio resampling */
188
    FifoBuffer fifo;     /* for compression: one audio fifo per codec */
189
    FILE *logfile;
190
} AVOutputStream;
191

    
192
typedef struct AVInputStream {
193
    int file_index;
194
    int index;
195
    AVStream *st;
196
    int discard;             /* true if stream data should be discarded */
197
    int decoding_needed;     /* true if the packets must be decoded in 'raw_fifo' */
198
    INT64 sample_index;      /* current sample */
199
    int frame_decoded;       /* true if a video or audio frame has been decoded */
200
} AVInputStream;
201

    
202
typedef struct AVInputFile {
203
    int eof_reached;      /* true if eof reached */
204
    int ist_index;        /* index of first stream in ist_table */
205
    int buffer_size;      /* current total buffer size */
206
    int buffer_size_max;  /* buffer size at which we consider we can stop
207
                             buffering */
208
    int nb_streams;       /* nb streams we are aware of */
209
} AVInputFile;
210

    
211
#ifndef CONFIG_WIN32
212

    
213
/* init terminal so that we can grab keys */
214
static struct termios oldtty;
215

    
216
static void term_exit(void)
217
{
218
    tcsetattr (0, TCSANOW, &oldtty);
219
}
220

    
221
static void term_init(void)
222
{
223
    struct termios tty;
224

    
225
    tcgetattr (0, &tty);
226
    oldtty = tty;
227

    
228
    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
229
                          |INLCR|IGNCR|ICRNL|IXON);
230
    tty.c_oflag |= OPOST;
231
    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
232
    tty.c_cflag &= ~(CSIZE|PARENB);
233
    tty.c_cflag |= CS8;
234
    tty.c_cc[VMIN] = 1;
235
    tty.c_cc[VTIME] = 0;
236
    
237
    tcsetattr (0, TCSANOW, &tty);
238

    
239
    atexit(term_exit);
240
#ifdef CONFIG_BEOS_NETSERVER
241
    fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
242
#endif
243
}
244

    
245
/* read a key without blocking */
246
static int read_key(void)
247
{
248
    int n = 1;
249
    unsigned char ch;
250
#ifndef CONFIG_BEOS_NETSERVER
251
    struct timeval tv;
252
    fd_set rfds;
253

    
254
    FD_ZERO(&rfds);
255
    FD_SET(0, &rfds);
256
    tv.tv_sec = 0;
257
    tv.tv_usec = 0;
258
    n = select(1, &rfds, NULL, NULL, &tv);
259
#endif
260
    if (n > 0) {
261
        n = read(0, &ch, 1);
262
        if (n == 1)
263
            return ch;
264

    
265
        return n;
266
    }
267
    return -1;
268
}
269

    
270
#else
271

    
272
/* no interactive support */
273
static void term_exit(void)
274
{
275
}
276

    
277
static void term_init(void)
278
{
279
}
280

    
281
static int read_key(void)
282
{
283
    return 0;
284
}
285

    
286
#endif
287

    
288
int read_ffserver_streams(AVFormatContext *s, const char *filename)
289
{
290
    int i, err;
291
    AVFormatContext *ic;
292

    
293
    err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
294
    if (err < 0)
295
        return err;
296
    /* copy stream format */
297
    s->nb_streams = ic->nb_streams;
298
    for(i=0;i<ic->nb_streams;i++) {
299
        AVStream *st;
300

    
301
        st = av_mallocz(sizeof(AVFormatContext));
302
        memcpy(st, ic->streams[i], sizeof(AVStream));
303
        s->streams[i] = st;
304
    }
305

    
306
    av_close_input_file(ic);
307
    return 0;
308
}
309

    
310
#define MAX_AUDIO_PACKET_SIZE 16384
311

    
312
static void do_audio_out(AVFormatContext *s, 
313
                         AVOutputStream *ost, 
314
                         AVInputStream *ist,
315
                         unsigned char *buf, int size)
316
{
317
    UINT8 *buftmp;
318
    UINT8 audio_buf[2*MAX_AUDIO_PACKET_SIZE]; /* XXX: allocate it */
319
    UINT8 audio_out[4*MAX_AUDIO_PACKET_SIZE]; /* XXX: allocate it - yep really WMA */
320
    int size_out, frame_bytes, ret;
321
    AVCodecContext *enc;
322

    
323
    enc = &ost->st->codec;
324

    
325
    if (ost->audio_resample) {
326
        buftmp = audio_buf;
327
        size_out = audio_resample(ost->resample, 
328
                                  (short *)buftmp, (short *)buf,
329
                                  size / (ist->st->codec.channels * 2));
330
        size_out = size_out * enc->channels * 2;
331
    } else {
332
        buftmp = buf;
333
        size_out = size;
334
    }
335

    
336
    /* now encode as many frames as possible */
337
    if (enc->frame_size > 1) {
338
        /* output resampled raw samples */
339
        fifo_write(&ost->fifo, buftmp, size_out, 
340
                   &ost->fifo.wptr);
341

    
342
        frame_bytes = enc->frame_size * 2 * enc->channels;
343
        
344
        while (fifo_read(&ost->fifo, audio_buf, frame_bytes, 
345
                     &ost->fifo.rptr) == 0) {
346
            ret = avcodec_encode_audio(enc, audio_out, sizeof(audio_out), 
347
                                       (short *)audio_buf);
348
            av_write_frame(s, ost->index, audio_out, ret);
349
        }
350
    } else {
351
        /* output a pcm frame */
352
        /* XXX: change encoding codec API to avoid this ? */
353
        switch(enc->codec->id) {
354
        case CODEC_ID_PCM_S16LE:
355
        case CODEC_ID_PCM_S16BE:
356
        case CODEC_ID_PCM_U16LE:
357
        case CODEC_ID_PCM_U16BE:
358
            break;
359
        default:
360
            size_out = size_out >> 1;
361
            break;
362
        }
363
        ret = avcodec_encode_audio(enc, audio_out, size_out, 
364
                                   (short *)buftmp);
365
        av_write_frame(s, ost->index, audio_out, ret);
366
    }
367
}
368

    
369
/* write a picture to a raw mux */
370
static void write_picture(AVFormatContext *s, int index, AVPicture *picture, 
371
                          int pix_fmt, int w, int h)
372
{
373
    UINT8 *buf, *src, *dest;
374
    int size, j, i;
375

    
376
    /* XXX: not efficient, should add test if we can take
377
       directly the AVPicture */
378
    switch(pix_fmt) {
379
    case PIX_FMT_YUV420P:
380
        size = avpicture_get_size(pix_fmt, w, h);
381
        buf = av_malloc(size);
382
        if (!buf)
383
            return;
384
        dest = buf;
385
        for(i=0;i<3;i++) {
386
            if (i == 1) {
387
                w >>= 1;
388
                h >>= 1;
389
            }
390
            src = picture->data[i];
391
            for(j=0;j<h;j++) {
392
                memcpy(dest, src, w);
393
                dest += w;
394
                src += picture->linesize[i];
395
            }
396
        }
397
        break;
398
    case PIX_FMT_YUV422P:
399
        size = (w * h) * 2; 
400
        buf = av_malloc(size);
401
        if (!buf)
402
            return;
403
        dest = buf;
404
        for(i=0;i<3;i++) {
405
            if (i == 1) {
406
                w >>= 1;
407
            }
408
            src = picture->data[i];
409
            for(j=0;j<h;j++) {
410
                memcpy(dest, src, w);
411
                dest += w;
412
                src += picture->linesize[i];
413
            }
414
        }
415
        break;
416
    case PIX_FMT_YUV444P:
417
        size = (w * h) * 3; 
418
        buf = av_malloc(size);
419
        if (!buf)
420
            return;
421
        dest = buf;
422
        for(i=0;i<3;i++) {
423
            src = picture->data[i];
424
            for(j=0;j<h;j++) {
425
                memcpy(dest, src, w);
426
                dest += w;
427
                src += picture->linesize[i];
428
            }
429
        }
430
        break;
431
    case PIX_FMT_YUV422:
432
        size = (w * h) * 2; 
433
        buf = av_malloc(size);
434
        if (!buf)
435
            return;
436
        dest = buf;
437
        src = picture->data[0];
438
        for(j=0;j<h;j++) {
439
            memcpy(dest, src, w * 2);
440
            dest += w * 2;
441
            src += picture->linesize[0];
442
        }
443
        break;
444
    case PIX_FMT_RGB24:
445
    case PIX_FMT_BGR24:
446
        size = (w * h) * 3; 
447
        buf = av_malloc(size);
448
        if (!buf)
449
            return;
450
        dest = buf;
451
        src = picture->data[0];
452
        for(j=0;j<h;j++) {
453
            memcpy(dest, src, w * 3);
454
            dest += w * 3;
455
            src += picture->linesize[0];
456
        }
457
        break;
458
    default:
459
        return;
460
    }
461
    av_write_frame(s, index, buf, size);
462
    av_free(buf);
463
}
464

    
465
static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
466
{
467
    AVCodecContext *dec;
468
    AVPicture *picture2;
469
    AVPicture picture_tmp;
470
    UINT8 *buf = 0;
471

    
472
    dec = &ist->st->codec;
473

    
474
    /* deinterlace : must be done before any resize */
475
    if (do_deinterlace) {
476
        int size;
477

    
478
        /* create temporary picture */
479
        size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
480
        buf = av_malloc(size);
481
        if (!buf)
482
            return;
483
        
484
        picture2 = &picture_tmp;
485
        avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
486

    
487
        if (avpicture_deinterlace(picture2, picture, 
488
                                  dec->pix_fmt, dec->width, dec->height) < 0) {
489
            /* if error, do not deinterlace */
490
            av_free(buf);
491
            buf = NULL;
492
            picture2 = picture;
493
        }
494
    } else {
495
        picture2 = picture;
496
    }
497

    
498
    frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
499

    
500
    if (picture != picture2)
501
        *picture = *picture2;
502
    *bufp = buf;
503
}
504

    
505
/* we begin to correct av delay at this threshold */
506
#define AV_DELAY_MAX 0.100
507

    
508
static void do_video_out(AVFormatContext *s, 
509
                         AVOutputStream *ost, 
510
                         AVInputStream *ist,
511
                         AVPicture *in_picture,
512
                         int *frame_size, AVOutputStream *audio_sync)
513
{
514
    int nb_frames, i, ret;
515
    AVPicture *final_picture, *formatted_picture;
516
    AVPicture picture_format_temp, picture_crop_temp;
517
    static UINT8 *video_buffer;
518
    UINT8 *buf = NULL, *buf1 = NULL;
519
    AVCodecContext *enc, *dec;
520

    
521
#define VIDEO_BUFFER_SIZE (1024*1024)
522

    
523
    enc = &ost->st->codec;
524
    dec = &ist->st->codec;
525

    
526
    /* by default, we output a single frame */
527
    nb_frames = 1;
528

    
529
    /* NOTE: the A/V sync is always done by considering the audio is
530
       the master clock. It is suffisant for transcoding or playing,
531
       but not for the general case */
532
    if (audio_sync) {
533
        /* compute the A-V delay and duplicate/remove frames if needed */
534
        double adelta, vdelta, apts, vpts, av_delay;
535
        
536
        if (audio_sync->sync_ipts != AV_NOPTS_VALUE &&
537
            ost->sync_ipts != AV_NOPTS_VALUE) {
538
            
539
            adelta = (double)(ost->st->pts.val - audio_sync->sync_opts) * 
540
                s->pts_num / s->pts_den;
541
            apts = audio_sync->sync_ipts + adelta; 
542
            
543
            vdelta = (double)(ost->st->pts.val - ost->sync_opts) *
544
                s->pts_num / s->pts_den;
545
            vpts = ost->sync_ipts + vdelta;
546
            
547
            av_delay = apts - vpts;
548
            //            printf("delay=%f\n", av_delay);
549
            if (av_delay < -AV_DELAY_MAX)
550
                nb_frames = 2;
551
            else if (av_delay > AV_DELAY_MAX)
552
                nb_frames = 0;
553
        }
554
    } else {
555
        double vdelta;
556

    
557
        if (ost->sync_ipts != AV_NOPTS_VALUE) {
558
            vdelta = (double)(ost->st->pts.val) * s->pts_num / s->pts_den - (ost->sync_ipts - ost->sync_ipts_offset);
559
            if (vdelta < 100 && vdelta > -100 && ost->sync_ipts_offset) {
560
                if (vdelta < -AV_DELAY_MAX)
561
                    nb_frames = 2;
562
                else if (vdelta > AV_DELAY_MAX)
563
                    nb_frames = 0;
564
            } else {
565
                ost->sync_ipts_offset -= vdelta;
566
                if (!ost->sync_ipts_offset)
567
                    ost->sync_ipts_offset = 0.000001; /* one microsecond */
568
            }
569

    
570
#if defined(PJSG)
571
            {
572
                static char *action[] = { "drop frame", "copy frame", "dup frame" };
573
                printf("Input PTS %12.6f, output PTS %12.6f: %s\n",
574
                    (double) ost->sync_ipts, (double) ost->st->pts.val * s->pts_num / s->pts_den,
575
                    action[nb_frames]);
576
            }
577
#endif
578
        }
579
    }
580
    if (nb_frames <= 0) 
581
        return;
582

    
583
    if (!video_buffer)
584
        video_buffer = av_malloc(VIDEO_BUFFER_SIZE);
585
    if (!video_buffer)
586
        return;
587

    
588
    /* convert pixel format if needed */
589
    if (enc->pix_fmt != dec->pix_fmt) {
590
        int size;
591

    
592
        /* create temporary picture */
593
        size = avpicture_get_size(enc->pix_fmt, dec->width, dec->height);
594
        buf = av_malloc(size);
595
        if (!buf)
596
            return;
597
        formatted_picture = &picture_format_temp;
598
        avpicture_fill(formatted_picture, buf, enc->pix_fmt, dec->width, dec->height);
599
        
600
        if (img_convert(formatted_picture, enc->pix_fmt, 
601
                        in_picture, dec->pix_fmt, 
602
                        dec->width, dec->height) < 0) {
603
            fprintf(stderr, "pixel format conversion not handled\n");
604
            goto the_end;
605
        }
606
    } else {
607
        formatted_picture = in_picture;
608
    }
609

    
610
    /* XXX: resampling could be done before raw format convertion in
611
       some cases to go faster */
612
    /* XXX: only works for YUV420P */
613
    if (ost->video_resample) {
614
        final_picture = &ost->pict_tmp;
615
        img_resample(ost->img_resample_ctx, final_picture, formatted_picture);
616
    } else if (ost->video_crop) {
617
        picture_crop_temp.data[0] = formatted_picture->data[0] +
618
                (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
619

    
620
        picture_crop_temp.data[1] = formatted_picture->data[1] +
621
                ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
622
                (ost->leftBand >> 1);
623

    
624
        picture_crop_temp.data[2] = formatted_picture->data[2] +
625
                ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
626
                (ost->leftBand >> 1);
627

    
628
        picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
629
        picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
630
        picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
631
        final_picture = &picture_crop_temp;
632
    } else {
633
        final_picture = formatted_picture;
634
    }
635
    /* duplicates frame if needed */
636
    /* XXX: pb because no interleaving */
637
    for(i=0;i<nb_frames;i++) {
638
        if (enc->codec_id != CODEC_ID_RAWVIDEO) {
639
            AVFrame big_picture;
640
            
641
            memset(&big_picture, 0, sizeof(AVFrame));
642
            *(AVPicture*)&big_picture= *final_picture;
643
                        
644
            /* handles sameq here. This is not correct because it may
645
               not be a global option */
646
            if (same_quality) {
647
                big_picture.quality = ist->st->quality;
648
            }else
649
                big_picture.quality = ost->st->quality;
650
            
651
            ret = avcodec_encode_video(enc, 
652
                                       video_buffer, VIDEO_BUFFER_SIZE,
653
                                       &big_picture);
654
            //enc->frame_number = enc->real_pict_num;
655
            av_write_frame(s, ost->index, video_buffer, ret);
656
            *frame_size = ret;
657
            //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
658
            //        enc->frame_number-1, enc->real_pict_num, ret,
659
            //        enc->pict_type);
660
            /* if two pass, output log */
661
            if (ost->logfile && enc->stats_out) {
662
                fprintf(ost->logfile, "%s", enc->stats_out);
663
            }
664
        } else {
665
            if (s->oformat->flags & AVFMT_RAWPICTURE) {
666
                /* raw pictures are written as AVPicture structure to
667
                   avoid any copies. We support temorarily the older
668
                   method. */
669
                av_write_frame(s, ost->index, 
670
                               (UINT8 *)final_picture, sizeof(AVPicture));
671
            } else {
672
                write_picture(s, ost->index, final_picture, enc->pix_fmt, 
673
                              enc->width, enc->height);
674
            }
675
        }
676
        ost->frame_number++;
677
    }
678
 the_end:
679
    av_free(buf);
680
    av_free(buf1);
681
}
682

    
683
static double psnr(double d){
684
    if(d==0) return INFINITY;
685
    return -10.0*log(d)/log(10);
686
}
687

    
688
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost, 
689
                           int frame_size)
690
{
691
    static FILE *fvstats=NULL;
692
    static INT64 total_size = 0;
693
    char filename[40];
694
    time_t today2;
695
    struct tm *today;
696
    AVCodecContext *enc;
697
    int frame_number;
698
    INT64 ti;
699
    double ti1, bitrate, avg_bitrate;
700
    
701
    if (!fvstats) {
702
        today2 = time(NULL);
703
        today = localtime(&today2);
704
        sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
705
                                               today->tm_min,
706
                                               today->tm_sec);
707
        fvstats = fopen(filename,"w");
708
        if (!fvstats) {
709
            perror("fopen");
710
            exit(1);
711
        }
712
    }
713
    
714
    ti = MAXINT64;
715
    enc = &ost->st->codec;
716
    total_size += frame_size;
717
    if (enc->codec_type == CODEC_TYPE_VIDEO) {
718
        frame_number = ost->frame_number;
719
        fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality);
720
        if (enc->flags&CODEC_FLAG_PSNR)
721
            fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
722
        
723
        fprintf(fvstats,"f_size= %6d ", frame_size);
724
        /* compute pts value */
725
        ti1 = (double)ost->st->pts.val * os->pts_num / os->pts_den;
726
        if (ti1 < 0.01)
727
            ti1 = 0.01;
728
    
729
        bitrate = (double)(frame_size * 8) * enc->frame_rate / FRAME_RATE_BASE / 1000.0;
730
        avg_bitrate = (double)(total_size * 8) / ti1 / 1000.0;
731
        fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
732
            (double)total_size / 1024, ti1, bitrate, avg_bitrate);
733
        fprintf(fvstats,"type= %s\n", enc->coded_frame->key_frame == 1 ? "I" : "P");        
734
    }
735
}
736

    
737
void print_report(AVFormatContext **output_files, 
738
                  AVOutputStream **ost_table, int nb_ostreams,
739
                  int is_last_report)
740
{
741
    char buf[1024];
742
    AVOutputStream *ost;
743
    AVFormatContext *oc, *os;
744
    INT64 total_size;
745
    AVCodecContext *enc;
746
    int frame_number, vid, i;
747
    double bitrate, ti1, pts;
748
    static INT64 last_time = -1;
749
    
750
    if (!is_last_report) {
751
        INT64 cur_time;
752
        /* display the report every 0.5 seconds */
753
        cur_time = av_gettime();
754
        if (last_time == -1) {
755
            last_time = cur_time;
756
            return;
757
        } 
758
        if ((cur_time - last_time) < 500000)
759
            return;
760
        last_time = cur_time;
761
    }
762

    
763

    
764
    oc = output_files[0];
765

    
766
    total_size = url_ftell(&oc->pb);
767
    
768
    buf[0] = '\0';
769
    ti1 = 1e10;
770
    vid = 0;
771
    for(i=0;i<nb_ostreams;i++) {
772
        ost = ost_table[i];
773
        os = output_files[ost->file_index];
774
        enc = &ost->st->codec;
775
        if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
776
            sprintf(buf + strlen(buf), "q=%2.1f ",
777
                    enc->coded_frame->quality);
778
        }
779
        if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
780
            frame_number = ost->frame_number;
781
            sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
782
                    frame_number, enc->coded_frame ? enc->coded_frame->quality : 0);
783
            if (enc->flags&CODEC_FLAG_PSNR)
784
                sprintf(buf + strlen(buf), "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
785
            vid = 1;
786
        }
787
        /* compute min output value */
788
        pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
789
        if ((pts < ti1) && (pts > 0))
790
            ti1 = pts;
791
    }
792
    if (ti1 < 0.01)
793
        ti1 = 0.01;
794
    bitrate = (double)(total_size * 8) / ti1 / 1000.0;
795
    
796
    sprintf(buf + strlen(buf), 
797
            "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
798
            (double)total_size / 1024, ti1, bitrate);
799
    
800
    fprintf(stderr, "%s   ", buf);
801
    
802
    if (is_last_report) {
803
        fprintf(stderr, "\n");
804
    } else {
805
        fprintf(stderr, "\r");
806
        fflush(stderr);
807
    }
808
}
809

    
810
/*
811
 * The following code is the main loop of the file converter
812
 */
813
static int av_encode(AVFormatContext **output_files,
814
                     int nb_output_files,
815
                     AVFormatContext **input_files,
816
                     int nb_input_files,
817
                     AVStreamMap *stream_maps, int nb_stream_maps)
818
{
819
    int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0, pts_set;
820
    AVFormatContext *is, *os;
821
    AVCodecContext *codec, *icodec;
822
    AVOutputStream *ost, **ost_table = NULL;
823
    AVInputStream *ist, **ist_table = NULL;
824
    AVInputFile *file_table;
825
    AVFormatContext *stream_no_data;
826
    int key;
827

    
828
    file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
829
    if (!file_table)
830
        goto fail;
831

    
832
    /* input stream init */
833
    j = 0;
834
    for(i=0;i<nb_input_files;i++) {
835
        is = input_files[i];
836
        file_table[i].ist_index = j;
837
        file_table[i].nb_streams = is->nb_streams;
838
        j += is->nb_streams;
839
    }
840
    nb_istreams = j;
841

    
842
    ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
843
    if (!ist_table)
844
        goto fail;
845
    
846
    for(i=0;i<nb_istreams;i++) {
847
        ist = av_mallocz(sizeof(AVInputStream));
848
        if (!ist)
849
            goto fail;
850
        ist_table[i] = ist;
851
    }
852
    j = 0;
853
    for(i=0;i<nb_input_files;i++) {
854
        is = input_files[i];
855
        for(k=0;k<is->nb_streams;k++) {
856
            ist = ist_table[j++];
857
            ist->st = is->streams[k];
858
            ist->file_index = i;
859
            ist->index = k;
860
            ist->discard = 1; /* the stream is discarded by default
861
                                 (changed later) */
862
        }
863
    }
864

    
865
    /* output stream init */
866
    nb_ostreams = 0;
867
    for(i=0;i<nb_output_files;i++) {
868
        os = output_files[i];
869
        nb_ostreams += os->nb_streams;
870
    }
871
    if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
872
        fprintf(stderr, "Number of stream maps must match number of output streams\n");
873
        exit(1);
874
    }
875

    
876
    ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
877
    if (!ost_table)
878
        goto fail;
879
    for(i=0;i<nb_ostreams;i++) {
880
        ost = av_mallocz(sizeof(AVOutputStream));
881
        if (!ost)
882
            goto fail;
883
        ost_table[i] = ost;
884
    }
885
    
886
    n = 0;
887
    for(k=0;k<nb_output_files;k++) {
888
        os = output_files[k];
889
        for(i=0;i<os->nb_streams;i++) {
890
            int found;
891
            ost = ost_table[n++];
892
            ost->file_index = k;
893
            ost->index = i;
894
            ost->st = os->streams[i];
895
            if (nb_stream_maps > 0) {
896
                ost->source_index = file_table[stream_maps[n-1].file_index].ist_index + 
897
                    stream_maps[n-1].stream_index;
898
            } else {
899
                /* get corresponding input stream index : we select the first one with the right type */
900
                found = 0;
901
                for(j=0;j<nb_istreams;j++) {
902
                    ist = ist_table[j];
903
                    if (ist->discard && 
904
                        ist->st->codec.codec_type == ost->st->codec.codec_type) {
905
                        ost->source_index = j;
906
                        found = 1;
907
                    }
908
                }
909
                
910
                if (!found) {
911
                    /* try again and reuse existing stream */
912
                    for(j=0;j<nb_istreams;j++) {
913
                        ist = ist_table[j];
914
                        if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
915
                            ost->source_index = j;
916
                            found = 1;
917
                        }
918
                    }
919
                    if (!found) {
920
                        fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
921
                                ost->file_index, ost->index);
922
                        exit(1);
923
                    }
924
                }
925
            }
926
            ist = ist_table[ost->source_index];
927
            ist->discard = 0;
928
        }
929
    }
930

    
931
    /* for each output stream, we compute the right encoding parameters */
932
    for(i=0;i<nb_ostreams;i++) {
933
        ost = ost_table[i];
934
        ist = ist_table[ost->source_index];
935

    
936
        codec = &ost->st->codec;
937
        icodec = &ist->st->codec;
938

    
939
        if (ost->st->stream_copy) {
940
            /* if stream_copy is selected, no need to decode or encode */
941
            codec->codec_id = icodec->codec_id;
942
            codec->codec_type = icodec->codec_type;
943
            codec->codec_tag = icodec->codec_tag;
944
            codec->bit_rate = icodec->bit_rate;
945
            switch(codec->codec_type) {
946
            case CODEC_TYPE_AUDIO:
947
                codec->sample_rate = icodec->sample_rate;
948
                codec->channels = icodec->channels;
949
                break;
950
            case CODEC_TYPE_VIDEO:
951
                codec->frame_rate = icodec->frame_rate;
952
                codec->width = icodec->width;
953
                codec->height = icodec->height;
954
                break;
955
            default:
956
                av_abort();
957
            }
958
        } else {
959
            switch(codec->codec_type) {
960
            case CODEC_TYPE_AUDIO:
961
                if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
962
                    goto fail;
963
                
964
                if (codec->channels == icodec->channels &&
965
                    codec->sample_rate == icodec->sample_rate) {
966
                    ost->audio_resample = 0;
967
                } else {
968
                    if (codec->channels != icodec->channels &&
969
                        icodec->codec_id == CODEC_ID_AC3) {
970
                        /* Special case for 5:1 AC3 input */
971
                        /* and mono or stereo output      */
972
                        /* Request specific number of channels */
973
                        icodec->channels = codec->channels;
974
                        if (codec->sample_rate == icodec->sample_rate)
975
                            ost->audio_resample = 0;
976
                        else {
977
                            ost->audio_resample = 1;
978
                            ost->resample = audio_resample_init(codec->channels, icodec->channels,
979
                                                        codec->sample_rate, 
980
                                                        icodec->sample_rate);
981
                        }
982
                        /* Request specific number of channels */
983
                        icodec->channels = codec->channels;
984
                    } else {
985
                        ost->audio_resample = 1; 
986
                        ost->resample = audio_resample_init(codec->channels, icodec->channels,
987
                                                        codec->sample_rate, 
988
                                                        icodec->sample_rate);
989
                    }
990
                }
991
                ist->decoding_needed = 1;
992
                ost->encoding_needed = 1;
993
                break;
994
            case CODEC_TYPE_VIDEO:
995
                if (codec->width == icodec->width &&
996
                    codec->height == icodec->height &&
997
                    frame_topBand == 0 &&
998
                    frame_bottomBand == 0 &&
999
                    frame_leftBand == 0 &&
1000
                    frame_rightBand == 0)
1001
                {
1002
                    ost->video_resample = 0;
1003
                    ost->video_crop = 0;
1004
                } else if ((codec->width == icodec->width -
1005
                                (frame_leftBand + frame_rightBand)) &&
1006
                        (codec->height == icodec->height -
1007
                                (frame_topBand  + frame_bottomBand)))
1008
                {
1009
                    ost->video_resample = 0;
1010
                    ost->video_crop = 1;
1011
                    ost->topBand = frame_topBand;
1012
                    ost->leftBand = frame_leftBand;
1013
                } else {
1014
                    UINT8 *buf;
1015
                    ost->video_resample = 1;
1016
                    ost->video_crop = 0; // cropping is handled as part of resample
1017
                    buf = av_malloc((codec->width * codec->height * 3) / 2);
1018
                    if (!buf)
1019
                        goto fail;
1020
                    ost->pict_tmp.data[0] = buf;
1021
                    ost->pict_tmp.data[1] = ost->pict_tmp.data[0] + (codec->width * codec->height);
1022
                    ost->pict_tmp.data[2] = ost->pict_tmp.data[1] + (codec->width * codec->height) / 4;
1023
                    ost->pict_tmp.linesize[0] = codec->width;
1024
                    ost->pict_tmp.linesize[1] = codec->width / 2;
1025
                    ost->pict_tmp.linesize[2] = codec->width / 2;
1026

    
1027
                    ost->img_resample_ctx = img_resample_full_init( 
1028
                                      ost->st->codec.width, ost->st->codec.height,
1029
                                      ist->st->codec.width, ist->st->codec.height,
1030
                                      frame_topBand, frame_bottomBand,
1031
                                      frame_leftBand, frame_rightBand);
1032
                }
1033
                ost->encoding_needed = 1;
1034
                ist->decoding_needed = 1;
1035
                break;
1036
            default:
1037
                av_abort();
1038
            }
1039
            /* two pass mode */
1040
            if (ost->encoding_needed && 
1041
                (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1042
                char logfilename[1024];
1043
                FILE *f;
1044
                int size;
1045
                char *logbuffer;
1046
                
1047
                snprintf(logfilename, sizeof(logfilename), "%s-%d.log", 
1048
                         pass_logfilename ? 
1049
                         pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1050
                if (codec->flags & CODEC_FLAG_PASS1) {
1051
                    f = fopen(logfilename, "w");
1052
                    if (!f) {
1053
                        perror(logfilename);
1054
                        exit(1);
1055
                    }
1056
                    ost->logfile = f;
1057
                } else {
1058
                    /* read the log file */
1059
                    f = fopen(logfilename, "r");
1060
                    if (!f) {
1061
                        perror(logfilename);
1062
                        exit(1);
1063
                    }
1064
                    fseek(f, 0, SEEK_END);
1065
                    size = ftell(f);
1066
                    fseek(f, 0, SEEK_SET);
1067
                    logbuffer = av_malloc(size + 1);
1068
                    if (!logbuffer) {
1069
                        fprintf(stderr, "Could not allocate log buffer\n");
1070
                        exit(1);
1071
                    }
1072
                    fread(logbuffer, 1, size, f);
1073
                    fclose(f);
1074
                    logbuffer[size] = '\0';
1075
                    codec->stats_in = logbuffer;
1076
                }
1077
            }
1078
        }
1079
    }
1080

    
1081
    /* dump the file output parameters - cannot be done before in case
1082
       of stream copy */
1083
    for(i=0;i<nb_output_files;i++) {
1084
        dump_format(output_files[i], i, output_files[i]->filename, 1);
1085
    }
1086

    
1087
    /* dump the stream mapping */
1088
    fprintf(stderr, "Stream mapping:\n");
1089
    for(i=0;i<nb_ostreams;i++) {
1090
        ost = ost_table[i];
1091
        fprintf(stderr, "  Stream #%d.%d -> #%d.%d\n",
1092
                ist_table[ost->source_index]->file_index,
1093
                ist_table[ost->source_index]->index,
1094
                ost->file_index, 
1095
                ost->index);
1096
    }
1097

    
1098
    /* open each encoder */
1099
    for(i=0;i<nb_ostreams;i++) {
1100
        ost = ost_table[i];
1101
        if (ost->encoding_needed) {
1102
            AVCodec *codec;
1103
            codec = avcodec_find_encoder(ost->st->codec.codec_id);
1104
            if (!codec) {
1105
                fprintf(stderr, "Unsupported codec for output stream #%d.%d\n", 
1106
                        ost->file_index, ost->index);
1107
                exit(1);
1108
            }
1109
            if (avcodec_open(&ost->st->codec, codec) < 0) {
1110
                fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n", 
1111
                        ost->file_index, ost->index);
1112
                exit(1);
1113
            }
1114
        }
1115
    }
1116

    
1117
    /* open each decoder */
1118
    for(i=0;i<nb_istreams;i++) {
1119
        ist = ist_table[i];
1120
        if (ist->decoding_needed) {
1121
            AVCodec *codec;
1122
            codec = avcodec_find_decoder(ist->st->codec.codec_id);
1123
            if (!codec) {
1124
                fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n", 
1125
                        ist->st->codec.codec_id, ist->file_index, ist->index);
1126
                exit(1);
1127
            }
1128
            if (avcodec_open(&ist->st->codec, codec) < 0) {
1129
                fprintf(stderr, "Error while opening codec for input stream #%d.%d\n", 
1130
                        ist->file_index, ist->index);
1131
                exit(1);
1132
            }
1133
            //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1134
            //    ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1135
            ist->frame_decoded = 1;
1136
        }
1137
    }
1138

    
1139
    /* init pts */
1140
    for(i=0;i<nb_istreams;i++) {
1141
        ist = ist_table[i];
1142
    }
1143
    
1144
    /* compute buffer size max (should use a complete heuristic) */
1145
    for(i=0;i<nb_input_files;i++) {
1146
        file_table[i].buffer_size_max = 2048;
1147
    }
1148

    
1149
    /* open files and write file headers */
1150
    for(i=0;i<nb_output_files;i++) {
1151
        os = output_files[i];
1152
        if (av_write_header(os) < 0) {
1153
            fprintf(stderr, "Could not write header for output file #%d (incorrect codec paramters ?)\n", i);
1154
            ret = -EINVAL;
1155
            goto fail;
1156
        }
1157
    }
1158

    
1159
#ifndef CONFIG_WIN32
1160
    if (!do_play) {
1161
        fprintf(stderr, "Press [q] to stop encoding\n");
1162
    } else {
1163
        fprintf(stderr, "Press [q] to stop playing\n");
1164
    }
1165
#endif
1166
    term_init();
1167

    
1168
    stream_no_data = 0;
1169
    key = -1;
1170

    
1171
    for(;;) {
1172
        int file_index, ist_index;
1173
        AVPacket pkt;
1174
        UINT8 *ptr;
1175
        int len;
1176
        UINT8 *data_buf;
1177
        int data_size, got_picture;
1178
        AVPicture picture;
1179
        short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
1180
        void *buffer_to_free;
1181
        double pts_min;
1182
        
1183
    redo:
1184
        /* if 'q' pressed, exits */
1185
        if (key) {
1186
            /* read_key() returns 0 on EOF */
1187
            key = read_key();
1188
            if (key == 'q')
1189
                break;
1190
        }
1191

    
1192
        /* select the stream that we must read now by looking at the
1193
           smallest output pts */
1194
        file_index = -1;
1195
        pts_min = 1e10;
1196
        for(i=0;i<nb_ostreams;i++) {
1197
            double pts;
1198
            ost = ost_table[i];
1199
            os = output_files[ost->file_index];
1200
            ist = ist_table[ost->source_index];
1201
            pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
1202
            if (!file_table[ist->file_index].eof_reached && 
1203
                pts < pts_min) {
1204
                pts_min = pts;
1205
                file_index = ist->file_index;
1206
            }
1207
        }
1208
        /* if none, if is finished */
1209
        if (file_index < 0) {
1210
            break;
1211
        }
1212

    
1213
        /* finish if recording time exhausted */
1214
        if (recording_time > 0 && pts_min >= (recording_time / 1000000.0))
1215
            break;
1216

    
1217
        /* read a packet from it and output it in the fifo */
1218
        is = input_files[file_index];
1219
        if (av_read_packet(is, &pkt) < 0) {
1220
            file_table[file_index].eof_reached = 1;
1221
            continue;
1222
        }
1223
        if (!pkt.size) {
1224
            stream_no_data = is;
1225
        } else {
1226
            stream_no_data = 0;
1227
        }
1228
        /* the following test is needed in case new streams appear
1229
           dynamically in stream : we ignore them */
1230
        if (pkt.stream_index >= file_table[file_index].nb_streams)
1231
            goto discard_packet;
1232
        ist_index = file_table[file_index].ist_index + pkt.stream_index;
1233
        ist = ist_table[ist_index];
1234
        if (ist->discard)
1235
            goto discard_packet;
1236

    
1237
        if (do_hex_dump) {
1238
            printf("stream #%d, size=%d:\n", pkt.stream_index, pkt.size);
1239
            av_hex_dump(pkt.data, pkt.size);
1240
        }
1241

    
1242
        // printf("read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1243

    
1244
        len = pkt.size;
1245
        ptr = pkt.data;
1246
        pts_set = 0;
1247
        while (len > 0) {
1248
            INT64 ipts;
1249

    
1250
            ipts = AV_NOPTS_VALUE;
1251

    
1252
            /* decode the packet if needed */
1253
            data_buf = NULL; /* fail safe */
1254
            data_size = 0;
1255
            if (ist->decoding_needed) {
1256
                /* NOTE1: we only take into account the PTS if a new
1257
                   frame has begun (MPEG semantics) */
1258
                /* NOTE2: even if the fraction is not initialized,
1259
                   av_frac_set can be used to set the integer part */
1260
                if (ist->frame_decoded && 
1261
                    pkt.pts != AV_NOPTS_VALUE && 
1262
                    !pts_set) {
1263
                    ipts = pkt.pts;
1264
                    ist->frame_decoded = 0;
1265
                    pts_set = 1;
1266
                }
1267

    
1268
                switch(ist->st->codec.codec_type) {
1269
                case CODEC_TYPE_AUDIO:
1270
                    /* XXX: could avoid copy if PCM 16 bits with same
1271
                       endianness as CPU */
1272
                    ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1273
                                               ptr, len);
1274
                    if (ret < 0)
1275
                        goto fail_decode;
1276
                    /* Some bug in mpeg audio decoder gives */
1277
                    /* data_size < 0, it seems they are overflows */
1278
                    if (data_size <= 0) {
1279
                        /* no audio frame */
1280
                        ptr += ret;
1281
                        len -= ret;
1282
                        continue;
1283
                    }
1284
                    data_buf = (UINT8 *)samples;
1285
                    break;
1286
                case CODEC_TYPE_VIDEO:
1287
                    if (ist->st->codec.codec_id == CODEC_ID_RAWVIDEO) {
1288
                        int size;
1289

    
1290
                        size = (ist->st->codec.width * ist->st->codec.height);
1291
                        avpicture_fill(&picture, ptr, 
1292
                                     ist->st->codec.pix_fmt,
1293
                                     ist->st->codec.width,
1294
                                     ist->st->codec.height);
1295
                        ret = len;
1296
                    } else {
1297
                        AVFrame big_picture;
1298

    
1299
                        data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1300
                        ret = avcodec_decode_video(&ist->st->codec, 
1301
                                                   &big_picture, &got_picture, ptr, len);
1302
                        picture= *(AVPicture*)&big_picture;
1303
                        ist->st->quality= big_picture.quality;
1304
                        if (ret < 0) {
1305
                        fail_decode:
1306
                            fprintf(stderr, "Error while decoding stream #%d.%d\n",
1307
                                    ist->file_index, ist->index);
1308
                            av_free_packet(&pkt);
1309
                            goto redo;
1310
                        }
1311
                        if (!got_picture) {
1312
                            /* no picture yet */
1313
                            ptr += ret;
1314
                            len -= ret;
1315
                            continue;
1316
                        }
1317
                                  
1318
                    }
1319
                    break;
1320
                default:
1321
                    goto fail_decode;
1322
                }
1323
            } else {
1324
                data_buf = ptr;
1325
                data_size = len;
1326
                ret = len;
1327
            }
1328
            ptr += ret;
1329
            len -= ret;
1330

    
1331
            buffer_to_free = 0;
1332
            if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1333
                pre_process_video_frame(ist, &picture, &buffer_to_free);
1334
            }
1335

    
1336
            ist->frame_decoded = 1;
1337

    
1338
#if 0
1339
            /* mpeg PTS deordering : if it is a P or I frame, the PTS
1340
               is the one of the next displayed one */
1341
            /* XXX: add mpeg4 too ? */
1342
            if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
1343
                if (ist->st->codec.pict_type != B_TYPE) {
1344
                    INT64 tmp;
1345
                    tmp = ist->last_ip_pts;
1346
                    ist->last_ip_pts  = ist->frac_pts.val;
1347
                    ist->frac_pts.val = tmp;
1348
                }
1349
            }
1350
#endif
1351
            /* transcode raw format, encode packets and output them */
1352

    
1353
            for(i=0;i<nb_ostreams;i++) {
1354
                int frame_size;
1355

    
1356
                ost = ost_table[i];
1357
                if (ost->source_index == ist_index) {
1358
                    os = output_files[ost->file_index];
1359

    
1360
                    if (ipts != AV_NOPTS_VALUE) {
1361
#if 0
1362
                        printf("%d: got pts=%f %f\n", 
1363
                               i, pkt.pts / 90000.0, 
1364
                               (ipts - ost->st->pts.val) / 90000.0);
1365
#endif
1366
                        /* set the input output pts pairs */
1367
                        ost->sync_ipts = (double)ipts * is->pts_num / 
1368
                            is->pts_den;
1369
                        /* XXX: take into account the various fifos,
1370
                           in particular for audio */
1371
                        ost->sync_opts = ost->st->pts.val;
1372
                        //printf("ipts=%lld sync_ipts=%f sync_opts=%lld pts.val=%lld pkt.pts=%lld\n", ipts, ost->sync_ipts, ost->sync_opts, ost->st->pts.val, pkt.pts); 
1373
                    } else {
1374
                        //printf("pts.val=%lld\n", ost->st->pts.val); 
1375
                        ost->sync_ipts = AV_NOPTS_VALUE;
1376
                    }
1377

    
1378
                    if (ost->encoding_needed) {
1379
                        switch(ost->st->codec.codec_type) {
1380
                        case CODEC_TYPE_AUDIO:
1381
                            do_audio_out(os, ost, ist, data_buf, data_size);
1382
                            break;
1383
                        case CODEC_TYPE_VIDEO:
1384
                            /* find an audio stream for synchro */
1385
                            {
1386
                                int i;
1387
                                AVOutputStream *audio_sync, *ost1;
1388
                                audio_sync = NULL;
1389
                                for(i=0;i<nb_ostreams;i++) {
1390
                                    ost1 = ost_table[i];
1391
                                    if (ost1->file_index == ost->file_index &&
1392
                                        ost1->st->codec.codec_type == CODEC_TYPE_AUDIO) {
1393
                                        audio_sync = ost1;
1394
                                        break;
1395
                                    }
1396
                                }
1397

    
1398
                                do_video_out(os, ost, ist, &picture, &frame_size, audio_sync);
1399
                                if (do_vstats)
1400
                                    do_video_stats(os, ost, frame_size);
1401
                            }
1402
                            break;
1403
                        default:
1404
                            av_abort();
1405
                        }
1406
                    } else {
1407
                        AVFrame avframe;
1408
                                                
1409
                        /* no reencoding needed : output the packet directly */
1410
                        /* force the input stream PTS */
1411
                        
1412
                        //XXX/FIXME set keyframe flag from demuxer (or optionally from decoder)
1413
                        memset(&avframe, 0, sizeof(AVFrame));
1414
                        ost->st->codec.coded_frame= &avframe;
1415
                        
1416
                        av_write_frame(os, ost->index, data_buf, data_size);
1417
                        ost->st->codec.frame_number++;
1418
                        ost->frame_number++;
1419
                    }
1420
                }
1421
            }
1422
            av_free(buffer_to_free);
1423
            ipts = AV_NOPTS_VALUE;
1424
        }
1425
    discard_packet:
1426
        av_free_packet(&pkt);
1427
        
1428
        /* dump report by using the output first video and audio streams */
1429
        print_report(output_files, ost_table, nb_ostreams, 0);
1430
    }
1431
    term_exit();
1432

    
1433
    /* dump report by using the first video and audio streams */
1434
    print_report(output_files, ost_table, nb_ostreams, 1);
1435

    
1436
    /* close each encoder */
1437
    for(i=0;i<nb_ostreams;i++) {
1438
        ost = ost_table[i];
1439
        if (ost->encoding_needed) {
1440
            av_freep(&ost->st->codec.stats_in);
1441
            avcodec_close(&ost->st->codec);
1442
        }
1443
    }
1444
    
1445
    /* close each decoder */
1446
    for(i=0;i<nb_istreams;i++) {
1447
        ist = ist_table[i];
1448
        if (ist->decoding_needed) {
1449
            avcodec_close(&ist->st->codec);
1450
        }
1451
    }
1452
    
1453

    
1454
    /* write the trailer if needed and close file */
1455
    for(i=0;i<nb_output_files;i++) {
1456
        os = output_files[i];
1457
        av_write_trailer(os);
1458
    }
1459
    /* finished ! */
1460
    
1461
    ret = 0;
1462
 fail1:
1463
    av_free(file_table);
1464

    
1465
    if (ist_table) {
1466
        for(i=0;i<nb_istreams;i++) {
1467
            ist = ist_table[i];
1468
            av_free(ist);
1469
        }
1470
        av_free(ist_table);
1471
    }
1472
    if (ost_table) {
1473
        for(i=0;i<nb_ostreams;i++) {
1474
            ost = ost_table[i];
1475
            if (ost) {
1476
                if (ost->logfile) {
1477
                    fclose(ost->logfile);
1478
                    ost->logfile = NULL;
1479
                }
1480
                fifo_free(&ost->fifo); /* works even if fifo is not
1481
                                          initialized but set to zero */
1482
                av_free(ost->pict_tmp.data[0]);
1483
                if (ost->video_resample)
1484
                    img_resample_close(ost->img_resample_ctx);
1485
                if (ost->audio_resample)
1486
                    audio_resample_close(ost->resample);
1487
                av_free(ost);
1488
            }
1489
        }
1490
        av_free(ost_table);
1491
    }
1492
    return ret;
1493
 fail:
1494
    ret = -ENOMEM;
1495
    goto fail1;
1496
}
1497

    
1498
#if 0
1499
int file_read(const char *filename)
1500
{
1501
    URLContext *h;
1502
    unsigned char buffer[1024];
1503
    int len, i;
1504

1505
    if (url_open(&h, filename, O_RDONLY) < 0) {
1506
        printf("could not open '%s'\n", filename);
1507
        return -1;
1508
    }
1509
    for(;;) {
1510
        len = url_read(h, buffer, sizeof(buffer));
1511
        if (len <= 0)
1512
            break;
1513
        for(i=0;i<len;i++) putchar(buffer[i]);
1514
    }
1515
    url_close(h);
1516
    return 0;
1517
}
1518
#endif
1519

    
1520
void show_licence(void)
1521
{
1522
    printf(
1523
    "ffmpeg version " FFMPEG_VERSION "\n"
1524
    "Copyright (c) 2000, 2001, 2002 Fabrice Bellard\n"
1525
    "This library is free software; you can redistribute it and/or\n"
1526
    "modify it under the terms of the GNU Lesser General Public\n"
1527
    "License as published by the Free Software Foundation; either\n"
1528
    "version 2 of the License, or (at your option) any later version.\n"
1529
    "\n"
1530
    "This library is distributed in the hope that it will be useful,\n"
1531
    "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
1532
    "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\n"
1533
    "Lesser General Public License for more details.\n"
1534
    "\n"
1535
    "You should have received a copy of the GNU Lesser General Public\n"
1536
    "License along with this library; if not, write to the Free Software\n"
1537
    "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA\n"
1538
    );
1539
    exit(1);
1540
}
1541

    
1542
void opt_format(const char *arg)
1543
{
1544
    file_iformat = av_find_input_format(arg);
1545
    file_oformat = guess_format(arg, NULL, NULL);
1546
    if (!file_iformat && !file_oformat) {
1547
        fprintf(stderr, "Unknown input or output format: %s\n", arg);
1548
        exit(1);
1549
    }
1550
}
1551

    
1552
void opt_video_bitrate(const char *arg)
1553
{
1554
    video_bit_rate = atoi(arg) * 1000;
1555
}
1556

    
1557
void opt_video_bitrate_tolerance(const char *arg)
1558
{
1559
    video_bit_rate_tolerance = atoi(arg) * 1000;
1560
}
1561

    
1562
void opt_video_bitrate_max(const char *arg)
1563
{
1564
    video_rc_max_rate = atoi(arg) * 1000;
1565
}
1566

    
1567
void opt_video_bitrate_min(const char *arg)
1568
{
1569
    video_rc_min_rate = atoi(arg) * 1000;
1570
}
1571

    
1572
void opt_video_buffer_size(const char *arg)
1573
{
1574
    video_rc_buffer_size = atoi(arg) * 1000;
1575
}
1576

    
1577
void opt_video_rc_eq(char *arg)
1578
{
1579
    video_rc_eq = arg;
1580
}
1581

    
1582
void opt_video_rc_override_string(char *arg)
1583
{
1584
    video_rc_override_string = arg;
1585
}
1586

    
1587

    
1588
void opt_workaround_bugs(const char *arg)
1589
{
1590
    workaround_bugs = atoi(arg);
1591
}
1592

    
1593
void opt_dct_algo(const char *arg)
1594
{
1595
    dct_algo = atoi(arg);
1596
}
1597

    
1598
void opt_idct_algo(const char *arg)
1599
{
1600
    idct_algo = atoi(arg);
1601
}
1602

    
1603

    
1604
void opt_error_resilience(const char *arg)
1605
{
1606
    error_resilience = atoi(arg);
1607
}
1608

    
1609
void opt_error_concealment(const char *arg)
1610
{
1611
    error_concealment = atoi(arg);
1612
}
1613

    
1614
void opt_debug(const char *arg)
1615
{
1616
    debug = atoi(arg);
1617
}
1618

    
1619
void opt_frame_rate(const char *arg)
1620
{
1621
    frame_rate = (int)(strtod(arg, 0) * FRAME_RATE_BASE);
1622
}
1623

    
1624

    
1625
void opt_frame_crop_top(const char *arg)
1626
{
1627
    frame_topBand = atoi(arg); 
1628
    if (frame_topBand < 0) {
1629
        fprintf(stderr, "Incorrect top crop size\n");
1630
        exit(1);
1631
    }
1632
    if ((frame_topBand % 2) != 0) {
1633
        fprintf(stderr, "Top crop size must be a multiple of 2\n");
1634
        exit(1);
1635
    }
1636
    if ((frame_topBand) >= frame_height){
1637
            fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1638
        exit(1);
1639
    }
1640
    frame_height -= frame_topBand;
1641
}
1642

    
1643
void opt_frame_crop_bottom(const char *arg)
1644
{
1645
    frame_bottomBand = atoi(arg);
1646
    if (frame_bottomBand < 0) {
1647
        fprintf(stderr, "Incorrect bottom crop size\n");
1648
        exit(1);
1649
    }
1650
    if ((frame_bottomBand % 2) != 0) {
1651
        fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
1652
        exit(1);        
1653
    }
1654
    if ((frame_bottomBand) >= frame_height){
1655
            fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1656
        exit(1);
1657
    }
1658
    frame_height -= frame_bottomBand;
1659
}
1660

    
1661
void opt_frame_crop_left(const char *arg)
1662
{
1663
    frame_leftBand = atoi(arg);
1664
    if (frame_leftBand < 0) {
1665
        fprintf(stderr, "Incorrect left crop size\n");
1666
        exit(1);
1667
    }
1668
    if ((frame_leftBand % 2) != 0) {
1669
        fprintf(stderr, "Left crop size must be a multiple of 2\n");
1670
        exit(1);
1671
    }
1672
    if ((frame_leftBand) >= frame_width){
1673
            fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1674
        exit(1);
1675
    }
1676
    frame_width -= frame_leftBand;
1677
}
1678

    
1679
void opt_frame_crop_right(const char *arg)
1680
{
1681
    frame_rightBand = atoi(arg);
1682
    if (frame_rightBand < 0) {
1683
        fprintf(stderr, "Incorrect right crop size\n");
1684
        exit(1);
1685
    }
1686
    if ((frame_rightBand % 2) != 0) {
1687
        fprintf(stderr, "Right crop size must be a multiple of 2\n");
1688
        exit(1);        
1689
    }
1690
    if ((frame_rightBand) >= frame_width){
1691
            fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1692
        exit(1);
1693
    }
1694
    frame_width -= frame_rightBand;
1695
}
1696

    
1697
void opt_frame_size(const char *arg)
1698
{
1699
    parse_image_size(&frame_width, &frame_height, arg);
1700
    if (frame_width <= 0 || frame_height <= 0) {
1701
        fprintf(stderr, "Incorrect frame size\n");
1702
        exit(1);
1703
    }
1704
    if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
1705
        fprintf(stderr, "Frame size must be a multiple of 2\n");
1706
        exit(1);
1707
    }
1708
}
1709

    
1710
void opt_gop_size(const char *arg)
1711
{
1712
    gop_size = atoi(arg);
1713
}
1714

    
1715
void opt_b_frames(const char *arg)
1716
{
1717
    b_frames = atoi(arg);
1718
    if (b_frames > FF_MAX_B_FRAMES) {
1719
        fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
1720
        exit(1);
1721
    } else if (b_frames < 1) {
1722
        fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
1723
        exit(1);
1724
    }
1725
}
1726

    
1727
void opt_qscale(const char *arg)
1728
{
1729
    video_qscale = atoi(arg);
1730
    if (video_qscale < 0 ||
1731
        video_qscale > 31) {
1732
        fprintf(stderr, "qscale must be >= 1 and <= 31\n");
1733
        exit(1);
1734
    }
1735
}
1736

    
1737
void opt_qmin(const char *arg)
1738
{
1739
    video_qmin = atoi(arg);
1740
    if (video_qmin < 0 ||
1741
        video_qmin > 31) {
1742
        fprintf(stderr, "qmin must be >= 1 and <= 31\n");
1743
        exit(1);
1744
    }
1745
}
1746

    
1747
void opt_qmax(const char *arg)
1748
{
1749
    video_qmax = atoi(arg);
1750
    if (video_qmax < 0 ||
1751
        video_qmax > 31) {
1752
        fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1753
        exit(1);
1754
    }
1755
}
1756

    
1757
void opt_mb_qmin(const char *arg)
1758
{
1759
    video_mb_qmin = atoi(arg);
1760
    if (video_mb_qmin < 0 ||
1761
        video_mb_qmin > 31) {
1762
        fprintf(stderr, "qmin must be >= 1 and <= 31\n");
1763
        exit(1);
1764
    }
1765
}
1766

    
1767
void opt_mb_qmax(const char *arg)
1768
{
1769
    video_mb_qmax = atoi(arg);
1770
    if (video_mb_qmax < 0 ||
1771
        video_mb_qmax > 31) {
1772
        fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1773
        exit(1);
1774
    }
1775
}
1776

    
1777
void opt_qdiff(const char *arg)
1778
{
1779
    video_qdiff = atoi(arg);
1780
    if (video_qdiff < 0 ||
1781
        video_qdiff > 31) {
1782
        fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
1783
        exit(1);
1784
    }
1785
}
1786

    
1787
void opt_qblur(const char *arg)
1788
{
1789
    video_qblur = atof(arg);
1790
}
1791

    
1792
void opt_qcomp(const char *arg)
1793
{
1794
    video_qcomp = atof(arg);
1795
}
1796

    
1797
void opt_rc_initial_cplx(const char *arg)
1798
{
1799
    video_rc_initial_cplx = atof(arg);
1800
}
1801
void opt_b_qfactor(const char *arg)
1802
{
1803
    video_b_qfactor = atof(arg);
1804
}
1805
void opt_i_qfactor(const char *arg)
1806
{
1807
    video_i_qfactor = atof(arg);
1808
}
1809
void opt_b_qoffset(const char *arg)
1810
{
1811
    video_b_qoffset = atof(arg);
1812
}
1813
void opt_i_qoffset(const char *arg)
1814
{
1815
    video_i_qoffset = atof(arg);
1816
}
1817

    
1818
void opt_packet_size(const char *arg)
1819
{
1820
    packet_size= atoi(arg);
1821
}
1822

    
1823
void opt_strict(const char *arg)
1824
{
1825
    strict= atoi(arg);
1826
}
1827

    
1828
void opt_audio_bitrate(const char *arg)
1829
{
1830
    audio_bit_rate = atoi(arg) * 1000;
1831
}
1832

    
1833
void opt_audio_rate(const char *arg)
1834
{
1835
    audio_sample_rate = atoi(arg);
1836
}
1837

    
1838
void opt_audio_channels(const char *arg)
1839
{
1840
    audio_channels = atoi(arg);
1841
}
1842

    
1843
void opt_video_device(const char *arg)
1844
{
1845
    v4l_device = strdup(arg);
1846
}
1847

    
1848
void opt_audio_device(const char *arg)
1849
{
1850
    audio_device = strdup(arg);
1851
}
1852

    
1853
void opt_audio_codec(const char *arg)
1854
{
1855
    AVCodec *p;
1856

    
1857
    if (!strcmp(arg, "copy")) {
1858
        audio_stream_copy = 1;
1859
    } else {
1860
        p = first_avcodec;
1861
        while (p) {
1862
            if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
1863
                break;
1864
            p = p->next;
1865
        }
1866
        if (p == NULL) {
1867
            fprintf(stderr, "Unknown audio codec '%s'\n", arg);
1868
            exit(1);
1869
        } else {
1870
            audio_codec_id = p->id;
1871
        }
1872
    }
1873
}
1874

    
1875
void add_frame_hooker(const char *arg)
1876
{
1877
    int argc = 0;
1878
    char *argv[64];
1879
    int i;
1880
    char *args = strdup(arg);
1881

    
1882
    argv[0] = strtok(args, " ");
1883
    while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
1884
    }
1885

    
1886
    i = frame_hook_add(argc, argv);
1887

    
1888
    if (i != 0) {
1889
        fprintf(stderr, "Failed to add video hook function: %s\n", arg);
1890
        exit(1);
1891
    }
1892
}
1893

    
1894
const char *motion_str[] = {
1895
    "zero",
1896
    "full",
1897
    "log",
1898
    "phods",
1899
    "epzs",
1900
    "x1",
1901
    NULL,
1902
};
1903

    
1904
void opt_motion_estimation(const char *arg)
1905
{
1906
    const char **p;
1907
    p = motion_str;
1908
    for(;;) {
1909
        if (!*p) {
1910
            fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
1911
            exit(1);
1912
        }
1913
        if (!strcmp(*p, arg))
1914
            break;
1915
        p++;
1916
    }
1917
    me_method = (p - motion_str) + 1;
1918
}
1919

    
1920
void opt_video_codec(const char *arg)
1921
{
1922
    AVCodec *p;
1923

    
1924
    if (!strcmp(arg, "copy")) {
1925
        video_stream_copy = 1;
1926
    } else {
1927
        p = first_avcodec;
1928
        while (p) {
1929
            if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
1930
                break;
1931
            p = p->next;
1932
        }
1933
        if (p == NULL) {
1934
            fprintf(stderr, "Unknown video codec '%s'\n", arg);
1935
            exit(1);
1936
        } else {
1937
            video_codec_id = p->id;
1938
        }
1939
    }
1940
}
1941

    
1942
void opt_map(const char *arg)
1943
{
1944
    AVStreamMap *m;
1945
    const char *p;
1946

    
1947
    p = arg;
1948
    m = &stream_maps[nb_stream_maps++];
1949

    
1950
    m->file_index = strtol(arg, (char **)&p, 0);
1951
    if (*p)
1952
        p++;
1953

    
1954
    m->stream_index = strtol(p, (char **)&p, 0);
1955
}
1956

    
1957
void opt_recording_time(const char *arg)
1958
{
1959
    recording_time = parse_date(arg, 1);
1960
}
1961

    
1962
void print_error(const char *filename, int err)
1963
{
1964
    switch(err) {
1965
    case AVERROR_NUMEXPECTED:
1966
        fprintf(stderr, "%s: Incorrect image filename syntax.\n"
1967
                "Use '%%d' to specify the image number:\n"
1968
                "  for img1.jpg, img2.jpg, ..., use 'img%%d.jpg';\n"
1969
                "  for img001.jpg, img002.jpg, ..., use 'img%%03d.jpg'.\n", 
1970
                filename);
1971
        break;
1972
    case AVERROR_INVALIDDATA:
1973
        fprintf(stderr, "%s: Error while parsing header\n", filename);
1974
        break;
1975
    case AVERROR_NOFMT:
1976
        fprintf(stderr, "%s: Unknown format\n", filename);
1977
        break;
1978
    default:
1979
        fprintf(stderr, "%s: Error while opening file\n", filename);
1980
        break;
1981
    }
1982
}
1983

    
1984
void opt_input_file(const char *filename)
1985
{
1986
    AVFormatContext *ic;
1987
    AVFormatParameters params, *ap = &params;
1988
    int err, i, ret, rfps;
1989

    
1990
    if (!strcmp(filename, "-"))
1991
        filename = "pipe:";
1992

    
1993
    /* get default parameters from command line */
1994
    memset(ap, 0, sizeof(*ap));
1995
    ap->sample_rate = audio_sample_rate;
1996
    ap->channels = audio_channels;
1997
    ap->frame_rate = frame_rate;
1998
    ap->width = frame_width;
1999
    ap->height = frame_height;
2000

    
2001
    /* open the input file with generic libav function */
2002
    err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2003
    if (err < 0) {
2004
        print_error(filename, err);
2005
        exit(1);
2006
    }
2007
    
2008
    /* If not enough info to get the stream parameters, we decode the
2009
       first frames to get it. (used in mpeg case for example) */
2010
    ret = av_find_stream_info(ic);
2011
    if (ret < 0) {
2012
        fprintf(stderr, "%s: could not find codec parameters\n", filename);
2013
        exit(1);
2014
    }
2015

    
2016
    /* update the current parameters so that they match the one of the input stream */
2017
    for(i=0;i<ic->nb_streams;i++) {
2018
        AVCodecContext *enc = &ic->streams[i]->codec;
2019
        switch(enc->codec_type) {
2020
        case CODEC_TYPE_AUDIO:
2021
            //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2022
            audio_channels = enc->channels;
2023
            audio_sample_rate = enc->sample_rate;
2024
            break;
2025
        case CODEC_TYPE_VIDEO:
2026
            frame_height = enc->height;
2027
            frame_width = enc->width;
2028
            rfps = ic->streams[i]->r_frame_rate;
2029
            enc->workaround_bugs = workaround_bugs;
2030
            enc->error_resilience = error_resilience; 
2031
            enc->error_concealment = error_concealment; 
2032
            enc->idct_algo= idct_algo;
2033
            enc->debug= debug;
2034
/*            if(enc->codec->capabilities & CODEC_CAP_TRUNCATED)
2035
                enc->flags|= CODEC_FLAG_TRUNCATED; */
2036
            if(/*enc->codec_id==CODEC_ID_MPEG4 || */enc->codec_id==CODEC_ID_MPEG1VIDEO)
2037
                enc->flags|= CODEC_FLAG_TRUNCATED;
2038

    
2039
            if (enc->frame_rate != rfps) {
2040
                fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
2041
                    i, (float)enc->frame_rate / FRAME_RATE_BASE,
2042
                    (float)rfps / FRAME_RATE_BASE);
2043
            }
2044
            /* update the current frame rate to match the stream frame rate */
2045
            frame_rate = rfps;
2046
            break;
2047
        default:
2048
            av_abort();
2049
        }
2050
    }
2051
    
2052
    input_files[nb_input_files] = ic;
2053
    /* dump the file content */
2054
    dump_format(ic, nb_input_files, filename, 0);
2055
    nb_input_files++;
2056
    file_iformat = NULL;
2057
    file_oformat = NULL;
2058
}
2059

    
2060
void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2061
{
2062
    int has_video, has_audio, i, j;
2063
    AVFormatContext *ic;
2064

    
2065
    has_video = 0;
2066
    has_audio = 0;
2067
    for(j=0;j<nb_input_files;j++) {
2068
        ic = input_files[j];
2069
        for(i=0;i<ic->nb_streams;i++) {
2070
            AVCodecContext *enc = &ic->streams[i]->codec;
2071
            switch(enc->codec_type) {
2072
            case CODEC_TYPE_AUDIO:
2073
                has_audio = 1;
2074
                break;
2075
            case CODEC_TYPE_VIDEO:
2076
                has_video = 1;
2077
                break;
2078
            default:
2079
                av_abort();
2080
            }
2081
        }
2082
    }
2083
    *has_video_ptr = has_video;
2084
    *has_audio_ptr = has_audio;
2085
}
2086

    
2087
void opt_output_file(const char *filename)
2088
{
2089
    AVStream *st;
2090
    AVFormatContext *oc;
2091
    int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
2092
    int codec_id;
2093

    
2094
    if (!strcmp(filename, "-"))
2095
        filename = "pipe:";
2096

    
2097
    oc = av_mallocz(sizeof(AVFormatContext));
2098

    
2099
    if (!file_oformat) {
2100
        file_oformat = guess_format(NULL, filename, NULL);
2101
        if (!file_oformat) {
2102
            fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2103
                    filename);
2104
            exit(1);
2105
        }
2106
    }
2107
    
2108
    oc->oformat = file_oformat;
2109

    
2110
    if (!strcmp(file_oformat->name, "ffm") && 
2111
        strstart(filename, "http:", NULL)) {
2112
        /* special case for files sent to ffserver: we get the stream
2113
           parameters from ffserver */
2114
        if (read_ffserver_streams(oc, filename) < 0) {
2115
            fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2116
            exit(1);
2117
        }
2118
    } else {
2119
        use_video = file_oformat->video_codec != CODEC_ID_NONE;
2120
        use_audio = file_oformat->audio_codec != CODEC_ID_NONE;
2121

    
2122
        /* disable if no corresponding type found and at least one
2123
           input file */
2124
        if (nb_input_files > 0) {
2125
            check_audio_video_inputs(&input_has_video, &input_has_audio);
2126
            if (!input_has_video)
2127
                use_video = 0;
2128
            if (!input_has_audio)
2129
                use_audio = 0;
2130
        }
2131

    
2132
        /* manual disable */
2133
        if (audio_disable) {
2134
            use_audio = 0;
2135
        }
2136
        if (video_disable) {
2137
            use_video = 0;
2138
        }
2139
        
2140
        nb_streams = 0;
2141
        if (use_video) {
2142
            AVCodecContext *video_enc;
2143
            
2144
            st = av_mallocz(sizeof(AVStream));
2145
            if (!st) {
2146
                fprintf(stderr, "Could not alloc stream\n");
2147
                exit(1);
2148
            }
2149
            avcodec_get_context_defaults(&st->codec);
2150

    
2151
            video_enc = &st->codec;
2152
            if (video_stream_copy) {
2153
                st->stream_copy = 1;
2154
                video_enc->codec_type = CODEC_TYPE_VIDEO;
2155
            } else {
2156
                char *p;
2157
                int i;
2158
            
2159
                codec_id = file_oformat->video_codec;
2160
                if (video_codec_id != CODEC_ID_NONE)
2161
                    codec_id = video_codec_id;
2162
                
2163
                video_enc->codec_id = codec_id;
2164
                
2165
                video_enc->bit_rate = video_bit_rate;
2166
                video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
2167
                video_enc->frame_rate = frame_rate; 
2168
                
2169
                video_enc->width = frame_width;
2170
                video_enc->height = frame_height;
2171

    
2172
                if (!intra_only)
2173
                    video_enc->gop_size = gop_size;
2174
                else
2175
                    video_enc->gop_size = 0;
2176
                if (video_qscale || same_quality) {
2177
                    video_enc->flags |= CODEC_FLAG_QSCALE;
2178
                    st->quality = video_qscale;
2179
                }
2180
            
2181
                if (use_hq) {
2182
                    video_enc->flags |= CODEC_FLAG_HQ;
2183
                }
2184
            
2185
                if (use_4mv) {
2186
                    video_enc->flags |= CODEC_FLAG_HQ;
2187
                    video_enc->flags |= CODEC_FLAG_4MV;
2188
                }
2189
            
2190
                if(use_part)
2191
                    video_enc->flags |= CODEC_FLAG_PART;
2192
               
2193
            
2194
                if (b_frames) {
2195
                    if (codec_id != CODEC_ID_MPEG4) {
2196
                        fprintf(stderr, "\nB frames encoding only supported by MPEG-4.\n");
2197
                        exit(1);
2198
                    }
2199
                    video_enc->max_b_frames = b_frames;
2200
                    video_enc->b_frame_strategy = 0;
2201
                    video_enc->b_quant_factor = 2.0;
2202
                }
2203
            
2204
                video_enc->qmin = video_qmin;
2205
                video_enc->qmax = video_qmax;
2206
                video_enc->mb_qmin = video_mb_qmin;
2207
                video_enc->mb_qmax = video_mb_qmax;
2208
                video_enc->max_qdiff = video_qdiff;
2209
                video_enc->qblur = video_qblur;
2210
                video_enc->qcompress = video_qcomp;
2211
                video_enc->rc_eq = video_rc_eq;
2212
                video_enc->debug= debug;
2213
                
2214
                p= video_rc_override_string;
2215
                for(i=0; p; i++){
2216
                    int start, end, q;
2217
                    int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2218
                    if(e!=3){
2219
                        fprintf(stderr, "error parsing rc_override\n");
2220
                        exit(1);
2221
                    }
2222
                    video_enc->rc_override= 
2223
                        realloc(video_enc->rc_override, sizeof(RcOverride)*(i+1));
2224
                    video_enc->rc_override[i].start_frame= start;
2225
                    video_enc->rc_override[i].end_frame  = end;
2226
                    if(q>0){
2227
                        video_enc->rc_override[i].qscale= q;
2228
                        video_enc->rc_override[i].quality_factor= 1.0;
2229
                    }
2230
                    else{
2231
                        video_enc->rc_override[i].qscale= 0;
2232
                        video_enc->rc_override[i].quality_factor= -q/100.0;
2233
                    }
2234
                    p= strchr(p, '/');
2235
                    if(p) p++;
2236
                }
2237
                video_enc->rc_override_count=i;
2238

    
2239
                video_enc->rc_max_rate = video_rc_max_rate;
2240
                video_enc->rc_min_rate = video_rc_min_rate;
2241
                video_enc->rc_buffer_size = video_rc_buffer_size;
2242
                video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
2243
                video_enc->rc_initial_cplx= video_rc_initial_cplx;
2244
                video_enc->i_quant_factor = video_i_qfactor;
2245
                video_enc->b_quant_factor = video_b_qfactor;
2246
                video_enc->i_quant_offset = video_i_qoffset;
2247
                video_enc->b_quant_offset = video_b_qoffset;
2248
                video_enc->dct_algo = dct_algo;
2249
                video_enc->idct_algo = idct_algo;
2250
                video_enc->strict_std_compliance = strict;
2251
                if(packet_size){
2252
                    video_enc->rtp_mode= 1;
2253
                    video_enc->rtp_payload_size= packet_size;
2254
                }
2255
            
2256
                if (do_psnr)
2257
                    video_enc->flags|= CODEC_FLAG_PSNR;
2258
            
2259
                video_enc->me_method = me_method;
2260

    
2261
                /* two pass mode */
2262
                if (do_pass) {
2263
                    if (do_pass == 1) {
2264
                        video_enc->flags |= CODEC_FLAG_PASS1;
2265
                    } else {
2266
                        video_enc->flags |= CODEC_FLAG_PASS2;
2267
                    }
2268
                }
2269
            
2270
                /* XXX: need to find a way to set codec parameters */
2271
                if (oc->oformat->flags & AVFMT_RGB24) {
2272
                    video_enc->pix_fmt = PIX_FMT_RGB24;
2273
                }
2274
            }
2275
            oc->streams[nb_streams] = st;
2276
            nb_streams++;
2277
        }
2278
    
2279
        if (use_audio) {
2280
            AVCodecContext *audio_enc;
2281

    
2282
            st = av_mallocz(sizeof(AVStream));
2283
            if (!st) {
2284
                fprintf(stderr, "Could not alloc stream\n");
2285
                exit(1);
2286
            }
2287
            avcodec_get_context_defaults(&st->codec);
2288

    
2289
            audio_enc = &st->codec;
2290
            audio_enc->codec_type = CODEC_TYPE_AUDIO;
2291
            if (audio_stream_copy) {
2292
                st->stream_copy = 1;
2293
            } else {
2294
                codec_id = file_oformat->audio_codec;
2295
                if (audio_codec_id != CODEC_ID_NONE)
2296
                    codec_id = audio_codec_id;
2297
                audio_enc->codec_id = codec_id;
2298
                
2299
                audio_enc->bit_rate = audio_bit_rate;
2300
                audio_enc->sample_rate = audio_sample_rate;
2301
                /* For audio codecs other than AC3 we limit */
2302
                /* the number of coded channels to stereo   */
2303
                if (audio_channels > 2 && codec_id != CODEC_ID_AC3) {
2304
                    audio_enc->channels = 2;
2305
                } else
2306
                    audio_enc->channels = audio_channels;
2307
            }
2308
            oc->streams[nb_streams] = st;
2309
            nb_streams++;
2310
        }
2311

    
2312
        oc->nb_streams = nb_streams;
2313

    
2314
        if (!nb_streams) {
2315
            fprintf(stderr, "No audio or video streams available\n");
2316
            exit(1);
2317
        }
2318

    
2319
        if (str_title)
2320
            pstrcpy(oc->title, sizeof(oc->title), str_title);
2321
        if (str_author)
2322
            pstrcpy(oc->author, sizeof(oc->author), str_author);
2323
        if (str_copyright)
2324
            pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
2325
        if (str_comment)
2326
            pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
2327
    }
2328

    
2329
    output_files[nb_output_files++] = oc;
2330

    
2331
    strcpy(oc->filename, filename);
2332

    
2333
    /* check filename in case of an image number is expected */
2334
    if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
2335
        if (filename_number_test(oc->filename) < 0) {
2336
            print_error(oc->filename, AVERROR_NUMEXPECTED);
2337
            exit(1);
2338
        }
2339
    }
2340

    
2341
    if (!(oc->oformat->flags & AVFMT_NOFILE)) {
2342
        /* test if it already exists to avoid loosing precious files */
2343
        if (!file_overwrite && 
2344
            (strchr(filename, ':') == NULL ||
2345
             strstart(filename, "file:", NULL))) {
2346
            if (url_exist(filename)) {
2347
                int c;
2348
                
2349
                printf("File '%s' already exists. Overwrite ? [y/N] ", filename);
2350
                fflush(stdout);
2351
                c = getchar();
2352
                if (toupper(c) != 'Y') {
2353
                    fprintf(stderr, "Not overwriting - exiting\n");
2354
                    exit(1);
2355
                }
2356
            }
2357
        }
2358
        
2359
        /* open the file */
2360
        if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
2361
            fprintf(stderr, "Could not open '%s'\n", filename);
2362
            exit(1);
2363
        }
2364
    }
2365

    
2366
    /* reset some options */
2367
    file_oformat = NULL;
2368
    file_iformat = NULL;
2369
    audio_disable = 0;
2370
    video_disable = 0;
2371
    audio_codec_id = CODEC_ID_NONE;
2372
    video_codec_id = CODEC_ID_NONE;
2373
    audio_stream_copy = 0;
2374
    video_stream_copy = 0;
2375
}
2376

    
2377
/* prepare dummy protocols for grab */
2378
void prepare_grab(void)
2379
{
2380
    int has_video, has_audio, i, j;
2381
    AVFormatContext *oc;
2382
    AVFormatContext *ic;
2383
    AVFormatParameters ap1, *ap = &ap1;
2384

    
2385
    /* see if audio/video inputs are needed */
2386
    has_video = 0;
2387
    has_audio = 0;
2388
    memset(ap, 0, sizeof(*ap));
2389
    for(j=0;j<nb_output_files;j++) {
2390
        oc = output_files[j];
2391
        for(i=0;i<oc->nb_streams;i++) {
2392
            AVCodecContext *enc = &oc->streams[i]->codec;
2393
            switch(enc->codec_type) {
2394
            case CODEC_TYPE_AUDIO:
2395
                if (enc->sample_rate > ap->sample_rate)
2396
                    ap->sample_rate = enc->sample_rate;
2397
                if (enc->channels > ap->channels)
2398
                    ap->channels = enc->channels;
2399
                has_audio = 1;
2400
                break;
2401
            case CODEC_TYPE_VIDEO:
2402
                if (enc->width > ap->width)
2403
                    ap->width = enc->width;
2404
                if (enc->height > ap->height)
2405
                    ap->height = enc->height;
2406
                if (enc->frame_rate > ap->frame_rate)
2407
                    ap->frame_rate = enc->frame_rate;
2408
                has_video = 1;
2409
                break;
2410
            default:
2411
                av_abort();
2412
            }
2413
        }
2414
    }
2415
    
2416
    if (has_video == 0 && has_audio == 0) {
2417
        fprintf(stderr, "Output file must have at least one audio or video stream\n");
2418
        exit(1);
2419
    }
2420
    
2421
    if (has_video) {
2422
        AVInputFormat *fmt1;
2423
        fmt1 = av_find_input_format("video_grab_device");
2424
        if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
2425
            fprintf(stderr, "Could not find video grab device\n");
2426
            exit(1);
2427
        }
2428
        /* by now video grab has one stream */
2429
        ic->streams[0]->r_frame_rate = ap->frame_rate;
2430
        input_files[nb_input_files] = ic;
2431
        dump_format(ic, nb_input_files, v4l_device, 0);
2432
        nb_input_files++;
2433
    }
2434
    if (has_audio) {
2435
        AVInputFormat *fmt1;
2436
        fmt1 = av_find_input_format("audio_device");
2437
        if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
2438
            fprintf(stderr, "Could not find audio grab device\n");
2439
            exit(1);
2440
        }
2441
        input_files[nb_input_files] = ic;
2442
        dump_format(ic, nb_input_files, audio_device, 0);
2443
        nb_input_files++;
2444
    }
2445
}
2446

    
2447
/* open the necessary output devices for playing */
2448
void prepare_play(void)
2449
{
2450
    file_iformat = NULL;
2451
    file_oformat = guess_format("audio_device", NULL, NULL);
2452
    if (!file_oformat) {
2453
        fprintf(stderr, "Could not find audio device\n");
2454
        exit(1);
2455
    }
2456
    
2457
    opt_output_file(audio_device);
2458
}
2459

    
2460
/* same option as mencoder */
2461
void opt_pass(const char *pass_str)
2462
{
2463
    int pass;
2464
    pass = atoi(pass_str);
2465
    if (pass != 1 && pass != 2) {
2466
        fprintf(stderr, "pass number can be only 1 or 2\n");
2467
        exit(1);
2468
    }
2469
    do_pass = pass;
2470
}
2471

    
2472
#ifndef CONFIG_WIN32
2473
INT64 getutime(void)
2474
{
2475
    struct rusage rusage;
2476

    
2477
    getrusage(RUSAGE_SELF, &rusage);
2478
    return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2479
}
2480
#else
2481
INT64 getutime(void)
2482
{
2483
  return av_gettime();
2484
}
2485
#endif
2486

    
2487
extern int ffm_nopts;
2488

    
2489
void opt_bitexact(void)
2490
{
2491
    avcodec_set_bit_exact();
2492
    /* disable generate of real time pts in ffm (need to be supressed anyway) */
2493
    ffm_nopts = 1;
2494
}
2495

    
2496
void show_formats(void)
2497
{
2498
    AVInputFormat *ifmt;
2499
    AVOutputFormat *ofmt;
2500
    URLProtocol *up;
2501
    AVCodec *p;
2502
    const char **pp;
2503

    
2504
    printf("File formats:\n");
2505
    printf("  Encoding:");
2506
    for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
2507
        printf(" %s", ofmt->name);
2508
    }
2509
    printf("\n");
2510
    printf("  Decoding:");
2511
    for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
2512
        printf(" %s", ifmt->name);
2513
    }
2514
    printf("\n");
2515

    
2516
    printf("Codecs:\n");
2517
    printf("  Encoders:");
2518
    for(p = first_avcodec; p != NULL; p = p->next) {
2519
        if (p->encode)
2520
            printf(" %s", p->name);
2521
    }
2522
    printf("\n");
2523

    
2524
    printf("  Decoders:");
2525
    for(p = first_avcodec; p != NULL; p = p->next) {
2526
        if (p->decode)
2527
            printf(" %s", p->name);
2528
    }
2529
    printf("\n");
2530

    
2531
    printf("Supported file protocols:");
2532
    for(up = first_protocol; up != NULL; up = up->next)
2533
        printf(" %s:", up->name);
2534
    printf("\n");
2535
    
2536
    printf("Frame size abbreviations: sqcif qcif cif 4cif\n");
2537
    printf("Motion estimation methods:");
2538
    pp = motion_str;
2539
    while (*pp) {
2540
        printf(" %s", *pp);
2541
        if ((pp - motion_str + 1) == ME_ZERO) 
2542
            printf("(fastest)");
2543
        else if ((pp - motion_str + 1) == ME_FULL) 
2544
            printf("(slowest)");
2545
        else if ((pp - motion_str + 1) == ME_EPZS) 
2546
            printf("(default)");
2547
        pp++;
2548
    }
2549
    printf("\n");
2550
    exit(1);
2551
}
2552

    
2553
void show_help(void)
2554
{
2555
    const char *prog;
2556
    const OptionDef *po;
2557
    int i, expert;
2558
    
2559
    prog = do_play ? "ffplay" : "ffmpeg";
2560

    
2561
    printf("%s version " FFMPEG_VERSION ", Copyright (c) 2000, 2001, 2002 Fabrice Bellard\n",
2562
           prog);
2563
    
2564
    if (!do_play) {
2565
        printf("usage: ffmpeg [[options] -i input_file]... {[options] outfile}...\n"
2566
               "Hyper fast MPEG1/MPEG4/H263/RV and AC3/MPEG audio encoder\n");
2567
    } else {
2568
        printf("usage: ffplay [options] input_file...\n"
2569
               "Simple audio player\n");
2570
    }
2571
           
2572
    printf("\n"
2573
           "Main options are:\n");
2574
    for(i=0;i<2;i++) {
2575
        if (i == 1)
2576
            printf("\nAdvanced options are:\n");
2577
        for(po = options; po->name != NULL; po++) {
2578
            char buf[64];
2579
            expert = (po->flags & OPT_EXPERT) != 0;
2580
            if (expert == i) {
2581
                strcpy(buf, po->name);
2582
                if (po->flags & HAS_ARG) {
2583
                    strcat(buf, " ");
2584
                    strcat(buf, po->argname);
2585
                }
2586
                printf("-%-17s  %s\n", buf, po->help);
2587
            }
2588
        }
2589
    }
2590

    
2591
    exit(1);
2592
}
2593

    
2594
const OptionDef options[] = {
2595
    { "L", 0, {(void*)show_licence}, "show license" },
2596
    { "h", 0, {(void*)show_help}, "show help" },
2597
    { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
2598
    { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
2599
    { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
2600
    { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
2601
    { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream" },
2602
    { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
2603
    { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
2604
    { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
2605
    { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
2606
    { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
2607
    { "pass", HAS_ARG, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
2608
    { "passlogfile", HAS_ARG | OPT_STRING, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
2609
    /* video options */
2610
    { "b", HAS_ARG, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" },
2611
    { "r", HAS_ARG, {(void*)opt_frame_rate}, "set frame rate (in Hz)", "rate" },
2612
    { "em_rate", OPT_BOOL|OPT_EXPERT, {(void*)&emulate_frame_rate}, "makes img reading happen at nominal frame rate" },
2613
    { "s", HAS_ARG, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
2614
    { "croptop", HAS_ARG, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
2615
    { "cropbottom", HAS_ARG, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
2616
    { "cropleft", HAS_ARG, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
2617
    { "cropright", HAS_ARG, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
2618
    { "g", HAS_ARG | OPT_EXPERT, {(void*)opt_gop_size}, "set the group of picture size", "gop_size" },
2619
    { "intra", OPT_BOOL | OPT_EXPERT, {(void*)&intra_only}, "use only intra frames"},
2620
    { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
2621
    { "qscale", HAS_ARG | OPT_EXPERT, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
2622
    { "qmin", HAS_ARG | OPT_EXPERT, {(void*)opt_qmin}, "min video quantiser scale (VBR)", "q" },
2623
    { "qmax", HAS_ARG | OPT_EXPERT, {(void*)opt_qmax}, "max video quantiser scale (VBR)", "q" },
2624
    { "mbqmin", HAS_ARG | OPT_EXPERT, {(void*)opt_mb_qmin}, "min macroblock quantiser scale (VBR)", "q" },
2625
    { "mbqmax", HAS_ARG | OPT_EXPERT, {(void*)opt_mb_qmax}, "max macroblock quantiser scale (VBR)", "q" },
2626
    { "qdiff", HAS_ARG | OPT_EXPERT, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" },
2627
    { "qblur", HAS_ARG | OPT_EXPERT, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" },
2628
    { "qcomp", HAS_ARG | OPT_EXPERT, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" },
2629
    { "rc_init_cplx", HAS_ARG | OPT_EXPERT, {(void*)opt_rc_initial_cplx}, "initial complexity for 1-pass encoding", "complexity" },
2630
    { "b_qfactor", HAS_ARG | OPT_EXPERT, {(void*)opt_b_qfactor}, "qp factor between p and b frames", "factor" },
2631
    { "i_qfactor", HAS_ARG | OPT_EXPERT, {(void*)opt_i_qfactor}, "qp factor between p and i frames", "factor" },
2632
    { "b_qoffset", HAS_ARG | OPT_EXPERT, {(void*)opt_b_qoffset}, "qp offset between p and b frames", "offset" },
2633
    { "i_qoffset", HAS_ARG | OPT_EXPERT, {(void*)opt_i_qoffset}, "qp offset between p and i frames", "offset" },
2634
//    { "b_strategy", HAS_ARG | OPT_EXPERT, {(void*)opt_b_strategy}, "dynamic b frame selection strategy", "strategy" },
2635
    { "rc_eq", HAS_ARG | OPT_EXPERT, {(void*)opt_video_rc_eq}, "", "equation" },
2636
    { "rc_override", HAS_ARG | OPT_EXPERT, {(void*)opt_video_rc_override_string}, "Rate control override", "qualities for specific intervals" },
2637
    { "bt", HAS_ARG, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
2638
    { "maxrate", HAS_ARG, {(void*)opt_video_bitrate_max}, "set max video bitrate tolerance (in kbit/s)", "bitrate" },
2639
    { "minrate", HAS_ARG, {(void*)opt_video_bitrate_min}, "set min video bitrate tolerance (in kbit/s)", "bitrate" },
2640
    { "bufsize", HAS_ARG, {(void*)opt_video_buffer_size}, "set ratecontrol buffere size (in kbit)", "size" },
2641
    { "vd", HAS_ARG | OPT_EXPERT, {(void*)opt_video_device}, "set video grab device", "device" },
2642
    { "vcodec", HAS_ARG | OPT_EXPERT, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
2643
    { "me", HAS_ARG | OPT_EXPERT, {(void*)opt_motion_estimation}, "set motion estimation method", 
2644
      "method" },
2645
    { "dct_algo", HAS_ARG | OPT_EXPERT, {(void*)opt_dct_algo}, "set dct algo",  "algo" },
2646
    { "idct_algo", HAS_ARG | OPT_EXPERT, {(void*)opt_idct_algo}, "set idct algo",  "algo" },
2647
    { "er", HAS_ARG | OPT_EXPERT, {(void*)opt_error_resilience}, "set error resilience",  "" },
2648
    { "ec", HAS_ARG | OPT_EXPERT, {(void*)opt_error_concealment}, "set error concealment",  "" },
2649
    { "bf", HAS_ARG | OPT_EXPERT, {(void*)opt_b_frames}, "use 'frames' B frames (only MPEG-4)", "frames" },
2650
    { "hq", OPT_BOOL | OPT_EXPERT, {(void*)&use_hq}, "activate high quality settings" },
2651
    { "4mv", OPT_BOOL | OPT_EXPERT, {(void*)&use_4mv}, "use four motion vector by macroblock (only MPEG-4)" },
2652
    { "part", OPT_BOOL | OPT_EXPERT, {(void*)&use_part}, "use data partitioning (only MPEG-4)" },
2653
    { "bug", HAS_ARG | OPT_EXPERT, {(void*)opt_workaround_bugs}, "workaround not auto detected encoder bugs", "param" },
2654
    { "ps", HAS_ARG | OPT_EXPERT, {(void*)opt_packet_size}, "packet size", "size in bits" },
2655
    { "strict", HAS_ARG | OPT_EXPERT, {(void*)opt_strict}, "strictness", "how strictly to follow the standarts" },
2656
    { "sameq", OPT_BOOL, {(void*)&same_quality}, 
2657
      "use same video quality as source (implies VBR)" },
2658
    { "debug", HAS_ARG | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
2659
    /* audio options */
2660
    { "ab", HAS_ARG, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", },
2661
    { "ar", HAS_ARG, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
2662
    { "ac", HAS_ARG, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
2663
    { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
2664
    { "ad", HAS_ARG | OPT_EXPERT, {(void*)opt_audio_device}, "set audio device", "device" },
2665
    { "acodec", HAS_ARG | OPT_EXPERT, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
2666
    { "deinterlace", OPT_BOOL | OPT_EXPERT, {(void*)&do_deinterlace}, 
2667
      "deinterlace pictures" },
2668
    { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark}, 
2669
      "add timings for benchmarking" },
2670
    { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump}, 
2671
      "dump each input packet" },
2672
    { "psnr", OPT_BOOL | OPT_EXPERT, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
2673
    { "vstats", OPT_BOOL | OPT_EXPERT, {(void*)&do_vstats}, "dump video coding statistics to file" }, 
2674
    { "bitexact", OPT_EXPERT, {(void*)opt_bitexact}, "only use bit exact algorithms (for codec testing)" }, 
2675
    { "vhook", HAS_ARG | OPT_EXPERT, {(void*)add_frame_hooker}, "insert video processing module", "module name and parameters" },
2676
    { NULL, },
2677
};
2678

    
2679
int main(int argc, char **argv)
2680
{
2681
    int optindex, i;
2682
    const char *opt, *arg;
2683
    const OptionDef *po;
2684
    INT64 ti;
2685
    
2686
    av_register_all();
2687

    
2688
    /* detect if invoked as player */
2689
    i = strlen(argv[0]);
2690
    if (i >= 6 && !strcmp(argv[0] + i - 6, "ffplay"))
2691
        do_play = 1;
2692

    
2693
    if (argc <= 1)
2694
        show_help();
2695
    
2696
    /* parse options */
2697
    optindex = 1;
2698
    while (optindex < argc) {
2699
        opt = argv[optindex++];
2700
        
2701
        if (opt[0] == '-' && opt[1] != '\0') {
2702
            po = options;
2703
            while (po->name != NULL) {
2704
                if (!strcmp(opt + 1, po->name))
2705
                    break;
2706
                po++;
2707
            }
2708
            if (!po->name) {
2709
                fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt);
2710
                exit(1);
2711
            }
2712
            arg = NULL;
2713
            if (po->flags & HAS_ARG) {
2714
                arg = argv[optindex++];
2715
                if (!arg) {
2716
                    fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt);
2717
                    exit(1);
2718
                }
2719
            }
2720
            if (po->flags & OPT_STRING) {
2721
                char *str;
2722
                str = strdup(arg);
2723
                *po->u.str_arg = str;
2724
            } else if (po->flags & OPT_BOOL) {
2725
                *po->u.int_arg = 1;
2726
            } else {
2727
                po->u.func_arg(arg);
2728
            }
2729
        } else {
2730
            if (!do_play) {
2731
                opt_output_file(opt);
2732
            } else {
2733
                opt_input_file(opt);
2734
            }
2735
        }
2736
    }
2737

    
2738

    
2739
    if (!do_play) {
2740
        /* file converter / grab */
2741
        if (nb_output_files <= 0) {
2742
            fprintf(stderr, "Must supply at least one output file\n");
2743
            exit(1);
2744
        }
2745
        
2746
        if (nb_input_files == 0) {
2747
            prepare_grab();
2748
        }
2749
    } else {
2750
        /* player */
2751
        if (nb_input_files <= 0) {
2752
            fprintf(stderr, "Must supply at least one input file\n");
2753
            exit(1);
2754
        }
2755
        prepare_play();
2756
    }
2757

    
2758
    ti = getutime();
2759
    av_encode(output_files, nb_output_files, input_files, nb_input_files, 
2760
              stream_maps, nb_stream_maps);
2761
    ti = getutime() - ti;
2762
    if (do_benchmark) {
2763
        printf("bench: utime=%0.3fs\n", ti / 1000000.0);
2764
    }
2765

    
2766
    /* close files */
2767
    for(i=0;i<nb_output_files;i++) {
2768
        /* maybe av_close_output_file ??? */
2769
        AVFormatContext *s = output_files[i];
2770
        int j;
2771
        if (!(s->oformat->flags & AVFMT_NOFILE))
2772
            url_fclose(&s->pb);
2773
        for(j=0;j<s->nb_streams;j++)
2774
            av_free(s->streams[j]);
2775
        av_free(s);
2776
    }
2777
    for(i=0;i<nb_input_files;i++)
2778
        av_close_input_file(input_files[i]);
2779

    
2780
    av_free_static();
2781
    return 0;
2782
}