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1
/*
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
7
 * 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
12
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13
 * 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>
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#include <sys/ioctl.h>
27
#include <sys/time.h>
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#include <termios.h>
29
#include <sys/resource.h>
30
#endif
31
#ifdef CONFIG_OS2
32
#include <sys/types.h>
33
#include <sys/select.h>
34
#include <stdlib.h>
35
#endif
36
#include <time.h>
37
#include <ctype.h>
38

    
39
#if !defined(INFINITY) && defined(HUGE_VAL)
40
#define INFINITY HUGE_VAL
41
#endif
42

    
43
#define MAXINT64 INT64_C(0x7fffffffffffffff)
44

    
45
typedef struct {
46
    const char *name;
47
    int flags;
48
#define HAS_ARG    0x0001
49
#define OPT_BOOL   0x0002
50
#define OPT_EXPERT 0x0004
51
#define OPT_STRING 0x0008
52
    union {
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        void (*func_arg)();
54
        int *int_arg;
55
        char **str_arg;
56
    } u;
57
    const char *help;
58
    const char *argname;
59
} OptionDef;
60

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

    
67
extern const OptionDef options[];
68

    
69
void show_help(void);
70

    
71
#define MAX_FILES 20
72

    
73
static AVFormatContext *input_files[MAX_FILES];
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static int nb_input_files = 0;
75

    
76
static AVFormatContext *output_files[MAX_FILES];
77
static int nb_output_files = 0;
78

    
79
static AVStreamMap stream_maps[MAX_FILES];
80
static int nb_stream_maps;
81

    
82
static AVInputFormat *file_iformat;
83
static AVOutputFormat *file_oformat;
84
static AVImageFormat *image_format;
85
static int frame_width  = 160;
86
static int frame_height = 128;
87
static int frame_topBand  = 0;
88
static int frame_bottomBand = 0;
89
static int frame_leftBand  = 0;
90
static int frame_rightBand = 0;
91
static int frame_rate = 25 * FRAME_RATE_BASE;
92
extern int emulate_frame_rate;
93
static int video_bit_rate = 200*1000;
94
static int video_bit_rate_tolerance = 4000*1000;
95
static int video_qscale = 0;
96
static int video_qmin = 2;
97
static int video_qmax = 31;
98
static int video_mb_qmin = 2;
99
static int video_mb_qmax = 31;
100
static int video_qdiff = 3;
101
static float video_qblur = 0.5;
102
static float video_qcomp = 0.5;
103
#if 0 //experimental, (can be removed)
104
static float video_rc_qsquish=1.0;
105
static float video_rc_qmod_amp=0;
106
static int video_rc_qmod_freq=0;
107
#endif
108
static char *video_rc_override_string=NULL;
109
static char *video_rc_eq="tex^qComp";
110
static int video_rc_buffer_size=0;
111
static float video_rc_buffer_aggressivity=1.0;
112
static int video_rc_max_rate=0;
113
static int video_rc_min_rate=0;
114
static float video_rc_initial_cplx=0;
115
static float video_b_qfactor = 1.25;
116
static float video_b_qoffset = 1.25;
117
static float video_i_qfactor = -0.8;
118
static float video_i_qoffset = 0.0;
119
static int me_method = ME_EPZS;
120
static int video_disable = 0;
121
static int video_codec_id = CODEC_ID_NONE;
122
static int same_quality = 0;
123
static int b_frames = 0;
124
static int use_hq = 0;
125
static int use_4mv = 0;
126
static int do_deinterlace = 0;
127
static int workaround_bugs = FF_BUG_AUTODETECT;
128
static int error_resilience = 2;
129
static int error_concealment = 3;
130
static int dct_algo = 0;
131
static int idct_algo = 0;
132
static int use_part = 0;
133
static int packet_size = 0;
134
static int strict = 0;
135
static int debug = 0;
136

    
137
static int gop_size = 12;
138
static int intra_only = 0;
139
static int audio_sample_rate = 44100;
140
static int audio_bit_rate = 64000;
141
static int audio_disable = 0;
142
static int audio_channels = 1;
143
static int audio_codec_id = CODEC_ID_NONE;
144

    
145
static INT64 recording_time = 0;
146
static int file_overwrite = 0;
147
static char *str_title = NULL;
148
static char *str_author = NULL;
149
static char *str_copyright = NULL;
150
static char *str_comment = NULL;
151
static int do_benchmark = 0;
152
static int do_hex_dump = 0;
153
static int do_play = 0;
154
static int do_psnr = 0;
155
static int do_vstats = 0;
156
static int do_pass = 0;
157
static char *pass_logfilename = NULL;
158
static int audio_stream_copy = 0;
159
static int video_stream_copy = 0;
160

    
161
#define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
162

    
163
#if !defined(CONFIG_AUDIO_OSS) && !defined(CONFIG_AUDIO_BEOS)
164
const char *audio_device = "none";
165
#endif
166
#ifndef CONFIG_VIDEO4LINUX
167
const char *v4l_device = "none";
168
#endif
169

    
170
typedef struct AVOutputStream {
171
    int file_index;          /* file index */
172
    int index;               /* stream index in the output file */
173
    int source_index;        /* AVInputStream index */
174
    AVStream *st;            /* stream in the output file */
175
    int encoding_needed;     /* true if encoding needed for this stream */
176
    int frame_number;
177
    /* input pts and corresponding output pts
178
       for A/V sync */
179
    double sync_ipts;
180
    double sync_ipts_offset;
181
    INT64 sync_opts;
182
    /* video only */
183
    int video_resample;      /* video_resample and video_crop are mutually exclusive */
184
    AVPicture pict_tmp;      /* temporary image for resampling */
185
    ImgReSampleContext *img_resample_ctx; /* for image resampling */
186

    
187
    int video_crop;          /* video_resample and video_crop are mutually exclusive */
188
    int topBand;             /* cropping area sizes */
189
    int leftBand;
190
    
191
    /* audio only */
192
    int audio_resample;
193
    ReSampleContext *resample; /* for audio resampling */
194
    FifoBuffer fifo;     /* for compression: one audio fifo per codec */
195
    FILE *logfile;
196
} AVOutputStream;
197

    
198
typedef struct AVInputStream {
199
    int file_index;
200
    int index;
201
    AVStream *st;
202
    int discard;             /* true if stream data should be discarded */
203
    int decoding_needed;     /* true if the packets must be decoded in 'raw_fifo' */
204
    INT64 sample_index;      /* current sample */
205
    int frame_decoded;       /* true if a video or audio frame has been decoded */
206
} AVInputStream;
207

    
208
typedef struct AVInputFile {
209
    int eof_reached;      /* true if eof reached */
210
    int ist_index;        /* index of first stream in ist_table */
211
    int buffer_size;      /* current total buffer size */
212
    int buffer_size_max;  /* buffer size at which we consider we can stop
213
                             buffering */
214
    int nb_streams;       /* nb streams we are aware of */
215
} AVInputFile;
216

    
217
#ifndef CONFIG_WIN32
218

    
219
/* init terminal so that we can grab keys */
220
static struct termios oldtty;
221

    
222
static void term_exit(void)
223
{
224
    tcsetattr (0, TCSANOW, &oldtty);
225
}
226

    
227
static void term_init(void)
228
{
229
    struct termios tty;
230

    
231
    tcgetattr (0, &tty);
232
    oldtty = tty;
233

    
234
    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
235
                          |INLCR|IGNCR|ICRNL|IXON);
236
    tty.c_oflag |= OPOST;
237
    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
238
    tty.c_cflag &= ~(CSIZE|PARENB);
239
    tty.c_cflag |= CS8;
240
    tty.c_cc[VMIN] = 1;
241
    tty.c_cc[VTIME] = 0;
242
    
243
    tcsetattr (0, TCSANOW, &tty);
244

    
245
    atexit(term_exit);
246
#ifdef CONFIG_BEOS_NETSERVER
247
    fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
248
#endif
249
}
250

    
251
/* read a key without blocking */
252
static int read_key(void)
253
{
254
    int n = 1;
255
    unsigned char ch;
256
#ifndef CONFIG_BEOS_NETSERVER
257
    struct timeval tv;
258
    fd_set rfds;
259

    
260
    FD_ZERO(&rfds);
261
    FD_SET(0, &rfds);
262
    tv.tv_sec = 0;
263
    tv.tv_usec = 0;
264
    n = select(1, &rfds, NULL, NULL, &tv);
265
#endif
266
    if (n > 0) {
267
        n = read(0, &ch, 1);
268
        if (n == 1)
269
            return ch;
270

    
271
        return n;
272
    }
273
    return -1;
274
}
275

    
276
#else
277

    
278
/* no interactive support */
279
static void term_exit(void)
280
{
281
}
282

    
283
static void term_init(void)
284
{
285
}
286

    
287
static int read_key(void)
288
{
289
    return 0;
290
}
291

    
292
#endif
293

    
294
int read_ffserver_streams(AVFormatContext *s, const char *filename)
295
{
296
    int i, err;
297
    AVFormatContext *ic;
298

    
299
    err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
300
    if (err < 0)
301
        return err;
302
    /* copy stream format */
303
    s->nb_streams = ic->nb_streams;
304
    for(i=0;i<ic->nb_streams;i++) {
305
        AVStream *st;
306

    
307
        st = av_mallocz(sizeof(AVFormatContext));
308
        memcpy(st, ic->streams[i], sizeof(AVStream));
309
        s->streams[i] = st;
310
    }
311

    
312
    av_close_input_file(ic);
313
    return 0;
314
}
315

    
316
#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
317

    
318
static void do_audio_out(AVFormatContext *s, 
319
                         AVOutputStream *ost, 
320
                         AVInputStream *ist,
321
                         unsigned char *buf, int size)
322
{
323
    UINT8 *buftmp;
324
    UINT8 audio_buf[2*MAX_AUDIO_PACKET_SIZE]; /* XXX: allocate it */
325
    UINT8 audio_out[4*MAX_AUDIO_PACKET_SIZE]; /* XXX: allocate it - yep really WMA */
326
    int size_out, frame_bytes, ret;
327
    AVCodecContext *enc;
328

    
329
    enc = &ost->st->codec;
330

    
331
    if (ost->audio_resample) {
332
        buftmp = audio_buf;
333
        size_out = audio_resample(ost->resample, 
334
                                  (short *)buftmp, (short *)buf,
335
                                  size / (ist->st->codec.channels * 2));
336
        size_out = size_out * enc->channels * 2;
337
    } else {
338
        buftmp = buf;
339
        size_out = size;
340
    }
341

    
342
    /* now encode as many frames as possible */
343
    if (enc->frame_size > 1) {
344
        /* output resampled raw samples */
345
        fifo_write(&ost->fifo, buftmp, size_out, 
346
                   &ost->fifo.wptr);
347

    
348
        frame_bytes = enc->frame_size * 2 * enc->channels;
349
        
350
        while (fifo_read(&ost->fifo, audio_buf, frame_bytes, 
351
                     &ost->fifo.rptr) == 0) {
352
            ret = avcodec_encode_audio(enc, audio_out, sizeof(audio_out), 
353
                                       (short *)audio_buf);
354
            av_write_frame(s, ost->index, audio_out, ret);
355
        }
356
    } else {
357
        /* output a pcm frame */
358
        /* XXX: change encoding codec API to avoid this ? */
359
        switch(enc->codec->id) {
360
        case CODEC_ID_PCM_S16LE:
361
        case CODEC_ID_PCM_S16BE:
362
        case CODEC_ID_PCM_U16LE:
363
        case CODEC_ID_PCM_U16BE:
364
            break;
365
        default:
366
            size_out = size_out >> 1;
367
            break;
368
        }
369
        ret = avcodec_encode_audio(enc, audio_out, size_out, 
370
                                   (short *)buftmp);
371
        av_write_frame(s, ost->index, audio_out, ret);
372
    }
373
}
374

    
375
/* write a picture to a raw mux */
376
static void write_picture(AVFormatContext *s, int index, AVPicture *picture, 
377
                          int pix_fmt, int w, int h)
378
{
379
    UINT8 *buf, *src, *dest;
380
    int size, j, i;
381

    
382
    /* XXX: not efficient, should add test if we can take
383
       directly the AVPicture */
384
    switch(pix_fmt) {
385
    case PIX_FMT_YUV420P:
386
        size = avpicture_get_size(pix_fmt, w, h);
387
        buf = av_malloc(size);
388
        if (!buf)
389
            return;
390
        dest = buf;
391
        for(i=0;i<3;i++) {
392
            if (i == 1) {
393
                w >>= 1;
394
                h >>= 1;
395
            }
396
            src = picture->data[i];
397
            for(j=0;j<h;j++) {
398
                memcpy(dest, src, w);
399
                dest += w;
400
                src += picture->linesize[i];
401
            }
402
        }
403
        break;
404
    case PIX_FMT_YUV422P:
405
        size = (w * h) * 2; 
406
        buf = av_malloc(size);
407
        if (!buf)
408
            return;
409
        dest = buf;
410
        for(i=0;i<3;i++) {
411
            if (i == 1) {
412
                w >>= 1;
413
            }
414
            src = picture->data[i];
415
            for(j=0;j<h;j++) {
416
                memcpy(dest, src, w);
417
                dest += w;
418
                src += picture->linesize[i];
419
            }
420
        }
421
        break;
422
    case PIX_FMT_YUV444P:
423
        size = (w * h) * 3; 
424
        buf = av_malloc(size);
425
        if (!buf)
426
            return;
427
        dest = buf;
428
        for(i=0;i<3;i++) {
429
            src = picture->data[i];
430
            for(j=0;j<h;j++) {
431
                memcpy(dest, src, w);
432
                dest += w;
433
                src += picture->linesize[i];
434
            }
435
        }
436
        break;
437
    case PIX_FMT_YUV422:
438
        size = (w * h) * 2; 
439
        buf = av_malloc(size);
440
        if (!buf)
441
            return;
442
        dest = buf;
443
        src = picture->data[0];
444
        for(j=0;j<h;j++) {
445
            memcpy(dest, src, w * 2);
446
            dest += w * 2;
447
            src += picture->linesize[0];
448
        }
449
        break;
450
    case PIX_FMT_RGB24:
451
    case PIX_FMT_BGR24:
452
        size = (w * h) * 3; 
453
        buf = av_malloc(size);
454
        if (!buf)
455
            return;
456
        dest = buf;
457
        src = picture->data[0];
458
        for(j=0;j<h;j++) {
459
            memcpy(dest, src, w * 3);
460
            dest += w * 3;
461
            src += picture->linesize[0];
462
        }
463
        break;
464
    default:
465
        return;
466
    }
467
    av_write_frame(s, index, buf, size);
468
    av_free(buf);
469
}
470

    
471
static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
472
{
473
    AVCodecContext *dec;
474
    AVPicture *picture2;
475
    AVPicture picture_tmp;
476
    UINT8 *buf = 0;
477

    
478
    dec = &ist->st->codec;
479

    
480
    /* deinterlace : must be done before any resize */
481
    if (do_deinterlace) {
482
        int size;
483

    
484
        /* create temporary picture */
485
        size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
486
        buf = av_malloc(size);
487
        if (!buf)
488
            return;
489
        
490
        picture2 = &picture_tmp;
491
        avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
492

    
493
        if (avpicture_deinterlace(picture2, picture, 
494
                                  dec->pix_fmt, dec->width, dec->height) < 0) {
495
            /* if error, do not deinterlace */
496
            av_free(buf);
497
            buf = NULL;
498
            picture2 = picture;
499
        }
500
    } else {
501
        picture2 = picture;
502
    }
503

    
504
    frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
505

    
506
    if (picture != picture2)
507
        *picture = *picture2;
508
    *bufp = buf;
509
}
510

    
511
/* we begin to correct av delay at this threshold */
512
#define AV_DELAY_MAX 0.100
513

    
514
static void do_video_out(AVFormatContext *s, 
515
                         AVOutputStream *ost, 
516
                         AVInputStream *ist,
517
                         AVPicture *in_picture,
518
                         int *frame_size, AVOutputStream *audio_sync)
519
{
520
    int nb_frames, i, ret;
521
    AVPicture *final_picture, *formatted_picture;
522
    AVPicture picture_format_temp, picture_crop_temp;
523
    static UINT8 *video_buffer;
524
    UINT8 *buf = NULL, *buf1 = NULL;
525
    AVCodecContext *enc, *dec;
526

    
527
#define VIDEO_BUFFER_SIZE (1024*1024)
528

    
529
    enc = &ost->st->codec;
530
    dec = &ist->st->codec;
531

    
532
    /* by default, we output a single frame */
533
    nb_frames = 1;
534

    
535
    /* NOTE: the A/V sync is always done by considering the audio is
536
       the master clock. It is suffisant for transcoding or playing,
537
       but not for the general case */
538
    if (audio_sync) {
539
        /* compute the A-V delay and duplicate/remove frames if needed */
540
        double adelta, vdelta, apts, vpts, av_delay;
541
        
542
        if (audio_sync->sync_ipts != AV_NOPTS_VALUE &&
543
            ost->sync_ipts != AV_NOPTS_VALUE) {
544
            
545
            adelta = (double)(ost->st->pts.val - audio_sync->sync_opts) * 
546
                s->pts_num / s->pts_den;
547
            apts = audio_sync->sync_ipts + adelta; 
548
            
549
            vdelta = (double)(ost->st->pts.val - ost->sync_opts) *
550
                s->pts_num / s->pts_den;
551
            vpts = ost->sync_ipts + vdelta;
552
            
553
            av_delay = apts - vpts;
554
            //            printf("delay=%f\n", av_delay);
555
            if (av_delay < -AV_DELAY_MAX)
556
                nb_frames = 2;
557
            else if (av_delay > AV_DELAY_MAX)
558
                nb_frames = 0;
559
        }
560
    } else {
561
        double vdelta;
562

    
563
        if (ost->sync_ipts != AV_NOPTS_VALUE) {
564
            vdelta = (double)(ost->st->pts.val) * s->pts_num / s->pts_den - (ost->sync_ipts - ost->sync_ipts_offset);
565
            if (vdelta < 100 && vdelta > -100 && ost->sync_ipts_offset) {
566
                if (vdelta < -AV_DELAY_MAX)
567
                    nb_frames = 2;
568
                else if (vdelta > AV_DELAY_MAX)
569
                    nb_frames = 0;
570
            } else {
571
                ost->sync_ipts_offset -= vdelta;
572
                if (!ost->sync_ipts_offset)
573
                    ost->sync_ipts_offset = 0.000001; /* one microsecond */
574
            }
575

    
576
#if defined(PJSG)
577
            {
578
                static char *action[] = { "drop frame", "copy frame", "dup frame" };
579
                printf("Input PTS %12.6f, output PTS %12.6f: %s\n",
580
                    (double) ost->sync_ipts, (double) ost->st->pts.val * s->pts_num / s->pts_den,
581
                    action[nb_frames]);
582
            }
583
#endif
584
        }
585
    }
586
    if (nb_frames <= 0) 
587
        return;
588

    
589
    if (!video_buffer)
590
        video_buffer = av_malloc(VIDEO_BUFFER_SIZE);
591
    if (!video_buffer)
592
        return;
593

    
594
    /* convert pixel format if needed */
595
    if (enc->pix_fmt != dec->pix_fmt) {
596
        int size;
597

    
598
        /* create temporary picture */
599
        size = avpicture_get_size(enc->pix_fmt, dec->width, dec->height);
600
        buf = av_malloc(size);
601
        if (!buf)
602
            return;
603
        formatted_picture = &picture_format_temp;
604
        avpicture_fill(formatted_picture, buf, enc->pix_fmt, dec->width, dec->height);
605
        
606
        if (img_convert(formatted_picture, enc->pix_fmt, 
607
                        in_picture, dec->pix_fmt, 
608
                        dec->width, dec->height) < 0) {
609
            fprintf(stderr, "pixel format conversion not handled\n");
610
            goto the_end;
611
        }
612
    } else {
613
        formatted_picture = in_picture;
614
    }
615

    
616
    /* XXX: resampling could be done before raw format convertion in
617
       some cases to go faster */
618
    /* XXX: only works for YUV420P */
619
    if (ost->video_resample) {
620
        final_picture = &ost->pict_tmp;
621
        img_resample(ost->img_resample_ctx, final_picture, formatted_picture);
622
    } else if (ost->video_crop) {
623
        picture_crop_temp.data[0] = formatted_picture->data[0] +
624
                (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
625

    
626
        picture_crop_temp.data[1] = formatted_picture->data[1] +
627
                ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
628
                (ost->leftBand >> 1);
629

    
630
        picture_crop_temp.data[2] = formatted_picture->data[2] +
631
                ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
632
                (ost->leftBand >> 1);
633

    
634
        picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
635
        picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
636
        picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
637
        final_picture = &picture_crop_temp;
638
    } else {
639
        final_picture = formatted_picture;
640
    }
641
    /* duplicates frame if needed */
642
    /* XXX: pb because no interleaving */
643
    for(i=0;i<nb_frames;i++) {
644
        if (enc->codec_id != CODEC_ID_RAWVIDEO) {
645
            AVFrame big_picture;
646
            
647
            memset(&big_picture, 0, sizeof(AVFrame));
648
            *(AVPicture*)&big_picture= *final_picture;
649
                        
650
            /* handles sameq here. This is not correct because it may
651
               not be a global option */
652
            if (same_quality) {
653
                big_picture.quality = ist->st->quality;
654
            }else
655
                big_picture.quality = ost->st->quality;
656
            
657
            ret = avcodec_encode_video(enc, 
658
                                       video_buffer, VIDEO_BUFFER_SIZE,
659
                                       &big_picture);
660
            //enc->frame_number = enc->real_pict_num;
661
            av_write_frame(s, ost->index, video_buffer, ret);
662
            *frame_size = ret;
663
            //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
664
            //        enc->frame_number-1, enc->real_pict_num, ret,
665
            //        enc->pict_type);
666
            /* if two pass, output log */
667
            if (ost->logfile && enc->stats_out) {
668
                fprintf(ost->logfile, "%s", enc->stats_out);
669
            }
670
        } else {
671
            if (s->oformat->flags & AVFMT_RAWPICTURE) {
672
                /* raw pictures are written as AVPicture structure to
673
                   avoid any copies. We support temorarily the older
674
                   method. */
675
                av_write_frame(s, ost->index, 
676
                               (UINT8 *)final_picture, sizeof(AVPicture));
677
            } else {
678
                write_picture(s, ost->index, final_picture, enc->pix_fmt, 
679
                              enc->width, enc->height);
680
            }
681
        }
682
        ost->frame_number++;
683
    }
684
 the_end:
685
    av_free(buf);
686
    av_free(buf1);
687
}
688

    
689
static double psnr(double d){
690
    if(d==0) return INFINITY;
691
    return -10.0*log(d)/log(10);
692
}
693

    
694
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost, 
695
                           int frame_size)
696
{
697
    static FILE *fvstats=NULL;
698
    static INT64 total_size = 0;
699
    char filename[40];
700
    time_t today2;
701
    struct tm *today;
702
    AVCodecContext *enc;
703
    int frame_number;
704
    INT64 ti;
705
    double ti1, bitrate, avg_bitrate;
706
    
707
    if (!fvstats) {
708
        today2 = time(NULL);
709
        today = localtime(&today2);
710
        sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
711
                                               today->tm_min,
712
                                               today->tm_sec);
713
        fvstats = fopen(filename,"w");
714
        if (!fvstats) {
715
            perror("fopen");
716
            exit(1);
717
        }
718
    }
719
    
720
    ti = MAXINT64;
721
    enc = &ost->st->codec;
722
    total_size += frame_size;
723
    if (enc->codec_type == CODEC_TYPE_VIDEO) {
724
        frame_number = ost->frame_number;
725
        fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality);
726
        if (enc->flags&CODEC_FLAG_PSNR)
727
            fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
728
        
729
        fprintf(fvstats,"f_size= %6d ", frame_size);
730
        /* compute pts value */
731
        ti1 = (double)ost->st->pts.val * os->pts_num / os->pts_den;
732
        if (ti1 < 0.01)
733
            ti1 = 0.01;
734
    
735
        bitrate = (double)(frame_size * 8) * enc->frame_rate / FRAME_RATE_BASE / 1000.0;
736
        avg_bitrate = (double)(total_size * 8) / ti1 / 1000.0;
737
        fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
738
            (double)total_size / 1024, ti1, bitrate, avg_bitrate);
739
        fprintf(fvstats,"type= %s\n", enc->coded_frame->key_frame == 1 ? "I" : "P");        
740
    }
741
}
742

    
743
void print_report(AVFormatContext **output_files, 
744
                  AVOutputStream **ost_table, int nb_ostreams,
745
                  int is_last_report)
746
{
747
    char buf[1024];
748
    AVOutputStream *ost;
749
    AVFormatContext *oc, *os;
750
    INT64 total_size;
751
    AVCodecContext *enc;
752
    int frame_number, vid, i;
753
    double bitrate, ti1, pts;
754
    static INT64 last_time = -1;
755
    
756
    if (!is_last_report) {
757
        INT64 cur_time;
758
        /* display the report every 0.5 seconds */
759
        cur_time = av_gettime();
760
        if (last_time == -1) {
761
            last_time = cur_time;
762
            return;
763
        } 
764
        if ((cur_time - last_time) < 500000)
765
            return;
766
        last_time = cur_time;
767
    }
768

    
769

    
770
    oc = output_files[0];
771

    
772
    total_size = url_ftell(&oc->pb);
773
    
774
    buf[0] = '\0';
775
    ti1 = 1e10;
776
    vid = 0;
777
    for(i=0;i<nb_ostreams;i++) {
778
        ost = ost_table[i];
779
        os = output_files[ost->file_index];
780
        enc = &ost->st->codec;
781
        if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
782
            sprintf(buf + strlen(buf), "q=%2.1f ",
783
                    enc->coded_frame->quality);
784
        }
785
        if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
786
            frame_number = ost->frame_number;
787
            sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
788
                    frame_number, enc->coded_frame ? enc->coded_frame->quality : 0);
789
            if (enc->flags&CODEC_FLAG_PSNR)
790
                sprintf(buf + strlen(buf), "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
791
            vid = 1;
792
        }
793
        /* compute min output value */
794
        pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
795
        if ((pts < ti1) && (pts > 0))
796
            ti1 = pts;
797
    }
798
    if (ti1 < 0.01)
799
        ti1 = 0.01;
800
    bitrate = (double)(total_size * 8) / ti1 / 1000.0;
801
    
802
    sprintf(buf + strlen(buf), 
803
            "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
804
            (double)total_size / 1024, ti1, bitrate);
805
    
806
    fprintf(stderr, "%s   ", buf);
807
    
808
    if (is_last_report) {
809
        fprintf(stderr, "\n");
810
    } else {
811
        fprintf(stderr, "\r");
812
        fflush(stderr);
813
    }
814
}
815

    
816
/*
817
 * The following code is the main loop of the file converter
818
 */
819
static int av_encode(AVFormatContext **output_files,
820
                     int nb_output_files,
821
                     AVFormatContext **input_files,
822
                     int nb_input_files,
823
                     AVStreamMap *stream_maps, int nb_stream_maps)
824
{
825
    int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0, pts_set;
826
    AVFormatContext *is, *os;
827
    AVCodecContext *codec, *icodec;
828
    AVOutputStream *ost, **ost_table = NULL;
829
    AVInputStream *ist, **ist_table = NULL;
830
    AVInputFile *file_table;
831
    AVFormatContext *stream_no_data;
832
    int key;
833

    
834
    file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
835
    if (!file_table)
836
        goto fail;
837

    
838
    /* input stream init */
839
    j = 0;
840
    for(i=0;i<nb_input_files;i++) {
841
        is = input_files[i];
842
        file_table[i].ist_index = j;
843
        file_table[i].nb_streams = is->nb_streams;
844
        j += is->nb_streams;
845
    }
846
    nb_istreams = j;
847

    
848
    ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
849
    if (!ist_table)
850
        goto fail;
851
    
852
    for(i=0;i<nb_istreams;i++) {
853
        ist = av_mallocz(sizeof(AVInputStream));
854
        if (!ist)
855
            goto fail;
856
        ist_table[i] = ist;
857
    }
858
    j = 0;
859
    for(i=0;i<nb_input_files;i++) {
860
        is = input_files[i];
861
        for(k=0;k<is->nb_streams;k++) {
862
            ist = ist_table[j++];
863
            ist->st = is->streams[k];
864
            ist->file_index = i;
865
            ist->index = k;
866
            ist->discard = 1; /* the stream is discarded by default
867
                                 (changed later) */
868
        }
869
    }
870

    
871
    /* output stream init */
872
    nb_ostreams = 0;
873
    for(i=0;i<nb_output_files;i++) {
874
        os = output_files[i];
875
        nb_ostreams += os->nb_streams;
876
    }
877
    if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
878
        fprintf(stderr, "Number of stream maps must match number of output streams\n");
879
        exit(1);
880
    }
881

    
882
    ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
883
    if (!ost_table)
884
        goto fail;
885
    for(i=0;i<nb_ostreams;i++) {
886
        ost = av_mallocz(sizeof(AVOutputStream));
887
        if (!ost)
888
            goto fail;
889
        ost_table[i] = ost;
890
    }
891
    
892
    n = 0;
893
    for(k=0;k<nb_output_files;k++) {
894
        os = output_files[k];
895
        for(i=0;i<os->nb_streams;i++) {
896
            int found;
897
            ost = ost_table[n++];
898
            ost->file_index = k;
899
            ost->index = i;
900
            ost->st = os->streams[i];
901
            if (nb_stream_maps > 0) {
902
                ost->source_index = file_table[stream_maps[n-1].file_index].ist_index + 
903
                    stream_maps[n-1].stream_index;
904
            } else {
905
                /* get corresponding input stream index : we select the first one with the right type */
906
                found = 0;
907
                for(j=0;j<nb_istreams;j++) {
908
                    ist = ist_table[j];
909
                    if (ist->discard && 
910
                        ist->st->codec.codec_type == ost->st->codec.codec_type) {
911
                        ost->source_index = j;
912
                        found = 1;
913
                    }
914
                }
915
                
916
                if (!found) {
917
                    /* try again and reuse existing stream */
918
                    for(j=0;j<nb_istreams;j++) {
919
                        ist = ist_table[j];
920
                        if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
921
                            ost->source_index = j;
922
                            found = 1;
923
                        }
924
                    }
925
                    if (!found) {
926
                        fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
927
                                ost->file_index, ost->index);
928
                        exit(1);
929
                    }
930
                }
931
            }
932
            ist = ist_table[ost->source_index];
933
            ist->discard = 0;
934
        }
935
    }
936

    
937
    /* for each output stream, we compute the right encoding parameters */
938
    for(i=0;i<nb_ostreams;i++) {
939
        ost = ost_table[i];
940
        ist = ist_table[ost->source_index];
941

    
942
        codec = &ost->st->codec;
943
        icodec = &ist->st->codec;
944

    
945
        if (ost->st->stream_copy) {
946
            /* if stream_copy is selected, no need to decode or encode */
947
            codec->codec_id = icodec->codec_id;
948
            codec->codec_type = icodec->codec_type;
949
            codec->codec_tag = icodec->codec_tag;
950
            codec->bit_rate = icodec->bit_rate;
951
            switch(codec->codec_type) {
952
            case CODEC_TYPE_AUDIO:
953
                codec->sample_rate = icodec->sample_rate;
954
                codec->channels = icodec->channels;
955
                break;
956
            case CODEC_TYPE_VIDEO:
957
                codec->frame_rate = icodec->frame_rate;
958
                codec->width = icodec->width;
959
                codec->height = icodec->height;
960
                break;
961
            default:
962
                av_abort();
963
            }
964
        } else {
965
            switch(codec->codec_type) {
966
            case CODEC_TYPE_AUDIO:
967
                if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
968
                    goto fail;
969
                
970
                if (codec->channels == icodec->channels &&
971
                    codec->sample_rate == icodec->sample_rate) {
972
                    ost->audio_resample = 0;
973
                } else {
974
                    if (codec->channels != icodec->channels &&
975
                        icodec->codec_id == CODEC_ID_AC3) {
976
                        /* Special case for 5:1 AC3 input */
977
                        /* and mono or stereo output      */
978
                        /* Request specific number of channels */
979
                        icodec->channels = codec->channels;
980
                        if (codec->sample_rate == icodec->sample_rate)
981
                            ost->audio_resample = 0;
982
                        else {
983
                            ost->audio_resample = 1;
984
                            ost->resample = audio_resample_init(codec->channels, icodec->channels,
985
                                                        codec->sample_rate, 
986
                                                        icodec->sample_rate);
987
                        }
988
                        /* Request specific number of channels */
989
                        icodec->channels = codec->channels;
990
                    } else {
991
                        ost->audio_resample = 1; 
992
                        ost->resample = audio_resample_init(codec->channels, icodec->channels,
993
                                                        codec->sample_rate, 
994
                                                        icodec->sample_rate);
995
                    }
996
                }
997
                ist->decoding_needed = 1;
998
                ost->encoding_needed = 1;
999
                break;
1000
            case CODEC_TYPE_VIDEO:
1001
                if (codec->width == icodec->width &&
1002
                    codec->height == icodec->height &&
1003
                    frame_topBand == 0 &&
1004
                    frame_bottomBand == 0 &&
1005
                    frame_leftBand == 0 &&
1006
                    frame_rightBand == 0)
1007
                {
1008
                    ost->video_resample = 0;
1009
                    ost->video_crop = 0;
1010
                } else if ((codec->width == icodec->width -
1011
                                (frame_leftBand + frame_rightBand)) &&
1012
                        (codec->height == icodec->height -
1013
                                (frame_topBand  + frame_bottomBand)))
1014
                {
1015
                    ost->video_resample = 0;
1016
                    ost->video_crop = 1;
1017
                    ost->topBand = frame_topBand;
1018
                    ost->leftBand = frame_leftBand;
1019
                } else {
1020
                    UINT8 *buf;
1021
                    ost->video_resample = 1;
1022
                    ost->video_crop = 0; // cropping is handled as part of resample
1023
                    buf = av_malloc((codec->width * codec->height * 3) / 2);
1024
                    if (!buf)
1025
                        goto fail;
1026
                    ost->pict_tmp.data[0] = buf;
1027
                    ost->pict_tmp.data[1] = ost->pict_tmp.data[0] + (codec->width * codec->height);
1028
                    ost->pict_tmp.data[2] = ost->pict_tmp.data[1] + (codec->width * codec->height) / 4;
1029
                    ost->pict_tmp.linesize[0] = codec->width;
1030
                    ost->pict_tmp.linesize[1] = codec->width / 2;
1031
                    ost->pict_tmp.linesize[2] = codec->width / 2;
1032

    
1033
                    ost->img_resample_ctx = img_resample_full_init( 
1034
                                      ost->st->codec.width, ost->st->codec.height,
1035
                                      ist->st->codec.width, ist->st->codec.height,
1036
                                      frame_topBand, frame_bottomBand,
1037
                                      frame_leftBand, frame_rightBand);
1038
                }
1039
                ost->encoding_needed = 1;
1040
                ist->decoding_needed = 1;
1041
                break;
1042
            default:
1043
                av_abort();
1044
            }
1045
            /* two pass mode */
1046
            if (ost->encoding_needed && 
1047
                (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1048
                char logfilename[1024];
1049
                FILE *f;
1050
                int size;
1051
                char *logbuffer;
1052
                
1053
                snprintf(logfilename, sizeof(logfilename), "%s-%d.log", 
1054
                         pass_logfilename ? 
1055
                         pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1056
                if (codec->flags & CODEC_FLAG_PASS1) {
1057
                    f = fopen(logfilename, "w");
1058
                    if (!f) {
1059
                        perror(logfilename);
1060
                        exit(1);
1061
                    }
1062
                    ost->logfile = f;
1063
                } else {
1064
                    /* read the log file */
1065
                    f = fopen(logfilename, "r");
1066
                    if (!f) {
1067
                        perror(logfilename);
1068
                        exit(1);
1069
                    }
1070
                    fseek(f, 0, SEEK_END);
1071
                    size = ftell(f);
1072
                    fseek(f, 0, SEEK_SET);
1073
                    logbuffer = av_malloc(size + 1);
1074
                    if (!logbuffer) {
1075
                        fprintf(stderr, "Could not allocate log buffer\n");
1076
                        exit(1);
1077
                    }
1078
                    fread(logbuffer, 1, size, f);
1079
                    fclose(f);
1080
                    logbuffer[size] = '\0';
1081
                    codec->stats_in = logbuffer;
1082
                }
1083
            }
1084
        }
1085
    }
1086

    
1087
    /* dump the file output parameters - cannot be done before in case
1088
       of stream copy */
1089
    for(i=0;i<nb_output_files;i++) {
1090
        dump_format(output_files[i], i, output_files[i]->filename, 1);
1091
    }
1092

    
1093
    /* dump the stream mapping */
1094
    fprintf(stderr, "Stream mapping:\n");
1095
    for(i=0;i<nb_ostreams;i++) {
1096
        ost = ost_table[i];
1097
        fprintf(stderr, "  Stream #%d.%d -> #%d.%d\n",
1098
                ist_table[ost->source_index]->file_index,
1099
                ist_table[ost->source_index]->index,
1100
                ost->file_index, 
1101
                ost->index);
1102
    }
1103

    
1104
    /* open each encoder */
1105
    for(i=0;i<nb_ostreams;i++) {
1106
        ost = ost_table[i];
1107
        if (ost->encoding_needed) {
1108
            AVCodec *codec;
1109
            codec = avcodec_find_encoder(ost->st->codec.codec_id);
1110
            if (!codec) {
1111
                fprintf(stderr, "Unsupported codec for output stream #%d.%d\n", 
1112
                        ost->file_index, ost->index);
1113
                exit(1);
1114
            }
1115
            if (avcodec_open(&ost->st->codec, codec) < 0) {
1116
                fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n", 
1117
                        ost->file_index, ost->index);
1118
                exit(1);
1119
            }
1120
        }
1121
    }
1122

    
1123
    /* open each decoder */
1124
    for(i=0;i<nb_istreams;i++) {
1125
        ist = ist_table[i];
1126
        if (ist->decoding_needed) {
1127
            AVCodec *codec;
1128
            codec = avcodec_find_decoder(ist->st->codec.codec_id);
1129
            if (!codec) {
1130
                fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n", 
1131
                        ist->st->codec.codec_id, ist->file_index, ist->index);
1132
                exit(1);
1133
            }
1134
            if (avcodec_open(&ist->st->codec, codec) < 0) {
1135
                fprintf(stderr, "Error while opening codec for input stream #%d.%d\n", 
1136
                        ist->file_index, ist->index);
1137
                exit(1);
1138
            }
1139
            //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1140
            //    ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1141
            ist->frame_decoded = 1;
1142
        }
1143
    }
1144

    
1145
    /* init pts */
1146
    for(i=0;i<nb_istreams;i++) {
1147
        ist = ist_table[i];
1148
    }
1149
    
1150
    /* compute buffer size max (should use a complete heuristic) */
1151
    for(i=0;i<nb_input_files;i++) {
1152
        file_table[i].buffer_size_max = 2048;
1153
    }
1154

    
1155
    /* open files and write file headers */
1156
    for(i=0;i<nb_output_files;i++) {
1157
        os = output_files[i];
1158
        if (av_write_header(os) < 0) {
1159
            fprintf(stderr, "Could not write header for output file #%d (incorrect codec paramters ?)\n", i);
1160
            ret = -EINVAL;
1161
            goto fail;
1162
        }
1163
    }
1164

    
1165
#ifndef CONFIG_WIN32
1166
    if (!do_play) {
1167
        fprintf(stderr, "Press [q] to stop encoding\n");
1168
    } else {
1169
        fprintf(stderr, "Press [q] to stop playing\n");
1170
    }
1171
#endif
1172
    term_init();
1173

    
1174
    stream_no_data = 0;
1175
    key = -1;
1176

    
1177
    for(;;) {
1178
        int file_index, ist_index;
1179
        AVPacket pkt;
1180
        UINT8 *ptr;
1181
        int len;
1182
        UINT8 *data_buf;
1183
        int data_size, got_picture;
1184
        AVPicture picture;
1185
        short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
1186
        void *buffer_to_free;
1187
        double pts_min;
1188
        
1189
    redo:
1190
        /* if 'q' pressed, exits */
1191
        if (key) {
1192
            /* read_key() returns 0 on EOF */
1193
            key = read_key();
1194
            if (key == 'q')
1195
                break;
1196
        }
1197

    
1198
        /* select the stream that we must read now by looking at the
1199
           smallest output pts */
1200
        file_index = -1;
1201
        pts_min = 1e10;
1202
        for(i=0;i<nb_ostreams;i++) {
1203
            double pts;
1204
            ost = ost_table[i];
1205
            os = output_files[ost->file_index];
1206
            ist = ist_table[ost->source_index];
1207
            pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
1208
            if (!file_table[ist->file_index].eof_reached && 
1209
                pts < pts_min) {
1210
                pts_min = pts;
1211
                file_index = ist->file_index;
1212
            }
1213
        }
1214
        /* if none, if is finished */
1215
        if (file_index < 0) {
1216
            break;
1217
        }
1218

    
1219
        /* finish if recording time exhausted */
1220
        if (recording_time > 0 && pts_min >= (recording_time / 1000000.0))
1221
            break;
1222

    
1223
        /* read a packet from it and output it in the fifo */
1224
        is = input_files[file_index];
1225
        if (av_read_packet(is, &pkt) < 0) {
1226
            file_table[file_index].eof_reached = 1;
1227
            continue;
1228
        }
1229
        if (!pkt.size) {
1230
            stream_no_data = is;
1231
        } else {
1232
            stream_no_data = 0;
1233
        }
1234
        if (do_hex_dump) {
1235
            printf("stream #%d, size=%d:\n", pkt.stream_index, pkt.size);
1236
            av_hex_dump(pkt.data, pkt.size);
1237
        }
1238
        /* the following test is needed in case new streams appear
1239
           dynamically in stream : we ignore them */
1240
        if (pkt.stream_index >= file_table[file_index].nb_streams)
1241
            goto discard_packet;
1242
        ist_index = file_table[file_index].ist_index + pkt.stream_index;
1243
        ist = ist_table[ist_index];
1244
        if (ist->discard)
1245
            goto discard_packet;
1246

    
1247
        // printf("read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1248

    
1249
        len = pkt.size;
1250
        ptr = pkt.data;
1251
        pts_set = 0;
1252
        while (len > 0) {
1253
            INT64 ipts;
1254

    
1255
            ipts = AV_NOPTS_VALUE;
1256

    
1257
            /* decode the packet if needed */
1258
            data_buf = NULL; /* fail safe */
1259
            data_size = 0;
1260
            if (ist->decoding_needed) {
1261
                /* NOTE1: we only take into account the PTS if a new
1262
                   frame has begun (MPEG semantics) */
1263
                /* NOTE2: even if the fraction is not initialized,
1264
                   av_frac_set can be used to set the integer part */
1265
                if (ist->frame_decoded && 
1266
                    pkt.pts != AV_NOPTS_VALUE && 
1267
                    !pts_set) {
1268
                    ipts = pkt.pts;
1269
                    ist->frame_decoded = 0;
1270
                    pts_set = 1;
1271
                }
1272

    
1273
                switch(ist->st->codec.codec_type) {
1274
                case CODEC_TYPE_AUDIO:
1275
                    /* XXX: could avoid copy if PCM 16 bits with same
1276
                       endianness as CPU */
1277
                    ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1278
                                               ptr, len);
1279
                    if (ret < 0)
1280
                        goto fail_decode;
1281
                    /* Some bug in mpeg audio decoder gives */
1282
                    /* data_size < 0, it seems they are overflows */
1283
                    if (data_size <= 0) {
1284
                        /* no audio frame */
1285
                        ptr += ret;
1286
                        len -= ret;
1287
                        continue;
1288
                    }
1289
                    data_buf = (UINT8 *)samples;
1290
                    break;
1291
                case CODEC_TYPE_VIDEO:
1292
                    if (ist->st->codec.codec_id == CODEC_ID_RAWVIDEO) {
1293
                        int size;
1294

    
1295
                        size = (ist->st->codec.width * ist->st->codec.height);
1296
                        avpicture_fill(&picture, ptr, 
1297
                                     ist->st->codec.pix_fmt,
1298
                                     ist->st->codec.width,
1299
                                     ist->st->codec.height);
1300
                        ret = len;
1301
                    } else {
1302
                        AVFrame big_picture;
1303

    
1304
                        data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1305
                        ret = avcodec_decode_video(&ist->st->codec, 
1306
                                                   &big_picture, &got_picture, ptr, len);
1307
                        picture= *(AVPicture*)&big_picture;
1308
                        ist->st->quality= big_picture.quality;
1309
                        if (ret < 0) {
1310
                        fail_decode:
1311
                            fprintf(stderr, "Error while decoding stream #%d.%d\n",
1312
                                    ist->file_index, ist->index);
1313
                            av_free_packet(&pkt);
1314
                            goto redo;
1315
                        }
1316
                        if (!got_picture) {
1317
                            /* no picture yet */
1318
                            ptr += ret;
1319
                            len -= ret;
1320
                            continue;
1321
                        }
1322
                                  
1323
                    }
1324
                    break;
1325
                default:
1326
                    goto fail_decode;
1327
                }
1328
            } else {
1329
                data_buf = ptr;
1330
                data_size = len;
1331
                ret = len;
1332
            }
1333
            ptr += ret;
1334
            len -= ret;
1335

    
1336
            buffer_to_free = 0;
1337
            if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1338
                pre_process_video_frame(ist, &picture, &buffer_to_free);
1339
            }
1340

    
1341
            ist->frame_decoded = 1;
1342

    
1343
#if 0
1344
            /* mpeg PTS deordering : if it is a P or I frame, the PTS
1345
               is the one of the next displayed one */
1346
            /* XXX: add mpeg4 too ? */
1347
            if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
1348
                if (ist->st->codec.pict_type != B_TYPE) {
1349
                    INT64 tmp;
1350
                    tmp = ist->last_ip_pts;
1351
                    ist->last_ip_pts  = ist->frac_pts.val;
1352
                    ist->frac_pts.val = tmp;
1353
                }
1354
            }
1355
#endif
1356
            /* transcode raw format, encode packets and output them */
1357

    
1358
            for(i=0;i<nb_ostreams;i++) {
1359
                int frame_size;
1360

    
1361
                ost = ost_table[i];
1362
                if (ost->source_index == ist_index) {
1363
                    os = output_files[ost->file_index];
1364

    
1365
                    if (ipts != AV_NOPTS_VALUE) {
1366
#if 0
1367
                        printf("%d: got pts=%f %f\n", 
1368
                               i, pkt.pts / 90000.0, 
1369
                               (ipts - ost->st->pts.val) / 90000.0);
1370
#endif
1371
                        /* set the input output pts pairs */
1372
                        ost->sync_ipts = (double)ipts * is->pts_num / 
1373
                            is->pts_den;
1374
                        /* XXX: take into account the various fifos,
1375
                           in particular for audio */
1376
                        ost->sync_opts = ost->st->pts.val;
1377
                        //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); 
1378
                    } else {
1379
                        //printf("pts.val=%lld\n", ost->st->pts.val); 
1380
                        ost->sync_ipts = AV_NOPTS_VALUE;
1381
                    }
1382

    
1383
                    if (ost->encoding_needed) {
1384
                        switch(ost->st->codec.codec_type) {
1385
                        case CODEC_TYPE_AUDIO:
1386
                            do_audio_out(os, ost, ist, data_buf, data_size);
1387
                            break;
1388
                        case CODEC_TYPE_VIDEO:
1389
                            /* find an audio stream for synchro */
1390
                            {
1391
                                int i;
1392
                                AVOutputStream *audio_sync, *ost1;
1393
                                audio_sync = NULL;
1394
                                for(i=0;i<nb_ostreams;i++) {
1395
                                    ost1 = ost_table[i];
1396
                                    if (ost1->file_index == ost->file_index &&
1397
                                        ost1->st->codec.codec_type == CODEC_TYPE_AUDIO) {
1398
                                        audio_sync = ost1;
1399
                                        break;
1400
                                    }
1401
                                }
1402

    
1403
                                do_video_out(os, ost, ist, &picture, &frame_size, audio_sync);
1404
                                if (do_vstats)
1405
                                    do_video_stats(os, ost, frame_size);
1406
                            }
1407
                            break;
1408
                        default:
1409
                            av_abort();
1410
                        }
1411
                    } else {
1412
                        AVFrame avframe;
1413
                                                
1414
                        /* no reencoding needed : output the packet directly */
1415
                        /* force the input stream PTS */
1416
                        
1417
                        //XXX/FIXME set keyframe flag from demuxer (or optionally from decoder)
1418
                        memset(&avframe, 0, sizeof(AVFrame));
1419
                        ost->st->codec.coded_frame= &avframe;
1420
                        
1421
                        av_write_frame(os, ost->index, data_buf, data_size);
1422
                        ost->st->codec.frame_number++;
1423
                        ost->frame_number++;
1424
                    }
1425
                }
1426
            }
1427
            av_free(buffer_to_free);
1428
            ipts = AV_NOPTS_VALUE;
1429
        }
1430
    discard_packet:
1431
        av_free_packet(&pkt);
1432
        
1433
        /* dump report by using the output first video and audio streams */
1434
        print_report(output_files, ost_table, nb_ostreams, 0);
1435
    }
1436
    term_exit();
1437

    
1438
    /* dump report by using the first video and audio streams */
1439
    print_report(output_files, ost_table, nb_ostreams, 1);
1440

    
1441
    /* close each encoder */
1442
    for(i=0;i<nb_ostreams;i++) {
1443
        ost = ost_table[i];
1444
        if (ost->encoding_needed) {
1445
            av_freep(&ost->st->codec.stats_in);
1446
            avcodec_close(&ost->st->codec);
1447
        }
1448
    }
1449
    
1450
    /* close each decoder */
1451
    for(i=0;i<nb_istreams;i++) {
1452
        ist = ist_table[i];
1453
        if (ist->decoding_needed) {
1454
            avcodec_close(&ist->st->codec);
1455
        }
1456
    }
1457
    
1458

    
1459
    /* write the trailer if needed and close file */
1460
    for(i=0;i<nb_output_files;i++) {
1461
        os = output_files[i];
1462
        av_write_trailer(os);
1463
    }
1464
    /* finished ! */
1465
    
1466
    ret = 0;
1467
 fail1:
1468
    av_free(file_table);
1469

    
1470
    if (ist_table) {
1471
        for(i=0;i<nb_istreams;i++) {
1472
            ist = ist_table[i];
1473
            av_free(ist);
1474
        }
1475
        av_free(ist_table);
1476
    }
1477
    if (ost_table) {
1478
        for(i=0;i<nb_ostreams;i++) {
1479
            ost = ost_table[i];
1480
            if (ost) {
1481
                if (ost->logfile) {
1482
                    fclose(ost->logfile);
1483
                    ost->logfile = NULL;
1484
                }
1485
                fifo_free(&ost->fifo); /* works even if fifo is not
1486
                                          initialized but set to zero */
1487
                av_free(ost->pict_tmp.data[0]);
1488
                if (ost->video_resample)
1489
                    img_resample_close(ost->img_resample_ctx);
1490
                if (ost->audio_resample)
1491
                    audio_resample_close(ost->resample);
1492
                av_free(ost);
1493
            }
1494
        }
1495
        av_free(ost_table);
1496
    }
1497
    return ret;
1498
 fail:
1499
    ret = -ENOMEM;
1500
    goto fail1;
1501
}
1502

    
1503
#if 0
1504
int file_read(const char *filename)
1505
{
1506
    URLContext *h;
1507
    unsigned char buffer[1024];
1508
    int len, i;
1509

1510
    if (url_open(&h, filename, O_RDONLY) < 0) {
1511
        printf("could not open '%s'\n", filename);
1512
        return -1;
1513
    }
1514
    for(;;) {
1515
        len = url_read(h, buffer, sizeof(buffer));
1516
        if (len <= 0)
1517
            break;
1518
        for(i=0;i<len;i++) putchar(buffer[i]);
1519
    }
1520
    url_close(h);
1521
    return 0;
1522
}
1523
#endif
1524

    
1525
void show_licence(void)
1526
{
1527
    printf(
1528
    "ffmpeg version " FFMPEG_VERSION "\n"
1529
    "Copyright (c) 2000, 2001, 2002 Fabrice Bellard\n"
1530
    "This library is free software; you can redistribute it and/or\n"
1531
    "modify it under the terms of the GNU Lesser General Public\n"
1532
    "License as published by the Free Software Foundation; either\n"
1533
    "version 2 of the License, or (at your option) any later version.\n"
1534
    "\n"
1535
    "This library is distributed in the hope that it will be useful,\n"
1536
    "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
1537
    "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\n"
1538
    "Lesser General Public License for more details.\n"
1539
    "\n"
1540
    "You should have received a copy of the GNU Lesser General Public\n"
1541
    "License along with this library; if not, write to the Free Software\n"
1542
    "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA\n"
1543
    );
1544
    exit(1);
1545
}
1546

    
1547
void opt_image_format(const char *arg)
1548
{
1549
    AVImageFormat *f;
1550
    
1551
    for(f = first_image_format; f != NULL; f = f->next) {
1552
        if (!strcmp(arg, f->name))
1553
            break;
1554
    }
1555
    if (!f) {
1556
        fprintf(stderr, "Unknown image format: '%s'\n", arg);
1557
        exit(1);
1558
    }
1559
    image_format = f;
1560
}
1561

    
1562
void opt_format(const char *arg)
1563
{
1564
    /* compatibility stuff for pgmyuv */
1565
    if (!strcmp(arg, "pgmyuv")) {
1566
        opt_image_format(arg);
1567
        arg = "image";
1568
    }
1569

    
1570
    file_iformat = av_find_input_format(arg);
1571
    file_oformat = guess_format(arg, NULL, NULL);
1572
    if (!file_iformat && !file_oformat) {
1573
        fprintf(stderr, "Unknown input or output format: %s\n", arg);
1574
        exit(1);
1575
    }
1576
}
1577

    
1578
void opt_video_bitrate(const char *arg)
1579
{
1580
    video_bit_rate = atoi(arg) * 1000;
1581
}
1582

    
1583
void opt_video_bitrate_tolerance(const char *arg)
1584
{
1585
    video_bit_rate_tolerance = atoi(arg) * 1000;
1586
}
1587

    
1588
void opt_video_bitrate_max(const char *arg)
1589
{
1590
    video_rc_max_rate = atoi(arg) * 1000;
1591
}
1592

    
1593
void opt_video_bitrate_min(const char *arg)
1594
{
1595
    video_rc_min_rate = atoi(arg) * 1000;
1596
}
1597

    
1598
void opt_video_buffer_size(const char *arg)
1599
{
1600
    video_rc_buffer_size = atoi(arg) * 1000;
1601
}
1602

    
1603
void opt_video_rc_eq(char *arg)
1604
{
1605
    video_rc_eq = arg;
1606
}
1607

    
1608
void opt_video_rc_override_string(char *arg)
1609
{
1610
    video_rc_override_string = arg;
1611
}
1612

    
1613

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

    
1619
void opt_dct_algo(const char *arg)
1620
{
1621
    dct_algo = atoi(arg);
1622
}
1623

    
1624
void opt_idct_algo(const char *arg)
1625
{
1626
    idct_algo = atoi(arg);
1627
}
1628

    
1629

    
1630
void opt_error_resilience(const char *arg)
1631
{
1632
    error_resilience = atoi(arg);
1633
}
1634

    
1635
void opt_error_concealment(const char *arg)
1636
{
1637
    error_concealment = atoi(arg);
1638
}
1639

    
1640
void opt_debug(const char *arg)
1641
{
1642
    debug = atoi(arg);
1643
}
1644

    
1645
void opt_frame_rate(const char *arg)
1646
{
1647
    frame_rate = (int)(strtod(arg, 0) * FRAME_RATE_BASE);
1648
}
1649

    
1650

    
1651
void opt_frame_crop_top(const char *arg)
1652
{
1653
    frame_topBand = atoi(arg); 
1654
    if (frame_topBand < 0) {
1655
        fprintf(stderr, "Incorrect top crop size\n");
1656
        exit(1);
1657
    }
1658
    if ((frame_topBand % 2) != 0) {
1659
        fprintf(stderr, "Top crop size must be a multiple of 2\n");
1660
        exit(1);
1661
    }
1662
    if ((frame_topBand) >= frame_height){
1663
            fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1664
        exit(1);
1665
    }
1666
    frame_height -= frame_topBand;
1667
}
1668

    
1669
void opt_frame_crop_bottom(const char *arg)
1670
{
1671
    frame_bottomBand = atoi(arg);
1672
    if (frame_bottomBand < 0) {
1673
        fprintf(stderr, "Incorrect bottom crop size\n");
1674
        exit(1);
1675
    }
1676
    if ((frame_bottomBand % 2) != 0) {
1677
        fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
1678
        exit(1);        
1679
    }
1680
    if ((frame_bottomBand) >= frame_height){
1681
            fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1682
        exit(1);
1683
    }
1684
    frame_height -= frame_bottomBand;
1685
}
1686

    
1687
void opt_frame_crop_left(const char *arg)
1688
{
1689
    frame_leftBand = atoi(arg);
1690
    if (frame_leftBand < 0) {
1691
        fprintf(stderr, "Incorrect left crop size\n");
1692
        exit(1);
1693
    }
1694
    if ((frame_leftBand % 2) != 0) {
1695
        fprintf(stderr, "Left crop size must be a multiple of 2\n");
1696
        exit(1);
1697
    }
1698
    if ((frame_leftBand) >= frame_width){
1699
            fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1700
        exit(1);
1701
    }
1702
    frame_width -= frame_leftBand;
1703
}
1704

    
1705
void opt_frame_crop_right(const char *arg)
1706
{
1707
    frame_rightBand = atoi(arg);
1708
    if (frame_rightBand < 0) {
1709
        fprintf(stderr, "Incorrect right crop size\n");
1710
        exit(1);
1711
    }
1712
    if ((frame_rightBand % 2) != 0) {
1713
        fprintf(stderr, "Right crop size must be a multiple of 2\n");
1714
        exit(1);        
1715
    }
1716
    if ((frame_rightBand) >= frame_width){
1717
            fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1718
        exit(1);
1719
    }
1720
    frame_width -= frame_rightBand;
1721
}
1722

    
1723
void opt_frame_size(const char *arg)
1724
{
1725
    parse_image_size(&frame_width, &frame_height, arg);
1726
    if (frame_width <= 0 || frame_height <= 0) {
1727
        fprintf(stderr, "Incorrect frame size\n");
1728
        exit(1);
1729
    }
1730
    if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
1731
        fprintf(stderr, "Frame size must be a multiple of 2\n");
1732
        exit(1);
1733
    }
1734
}
1735

    
1736
void opt_gop_size(const char *arg)
1737
{
1738
    gop_size = atoi(arg);
1739
}
1740

    
1741
void opt_b_frames(const char *arg)
1742
{
1743
    b_frames = atoi(arg);
1744
    if (b_frames > FF_MAX_B_FRAMES) {
1745
        fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
1746
        exit(1);
1747
    } else if (b_frames < 1) {
1748
        fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
1749
        exit(1);
1750
    }
1751
}
1752

    
1753
void opt_qscale(const char *arg)
1754
{
1755
    video_qscale = atoi(arg);
1756
    if (video_qscale < 0 ||
1757
        video_qscale > 31) {
1758
        fprintf(stderr, "qscale must be >= 1 and <= 31\n");
1759
        exit(1);
1760
    }
1761
}
1762

    
1763
void opt_qmin(const char *arg)
1764
{
1765
    video_qmin = atoi(arg);
1766
    if (video_qmin < 0 ||
1767
        video_qmin > 31) {
1768
        fprintf(stderr, "qmin must be >= 1 and <= 31\n");
1769
        exit(1);
1770
    }
1771
}
1772

    
1773
void opt_qmax(const char *arg)
1774
{
1775
    video_qmax = atoi(arg);
1776
    if (video_qmax < 0 ||
1777
        video_qmax > 31) {
1778
        fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1779
        exit(1);
1780
    }
1781
}
1782

    
1783
void opt_mb_qmin(const char *arg)
1784
{
1785
    video_mb_qmin = atoi(arg);
1786
    if (video_mb_qmin < 0 ||
1787
        video_mb_qmin > 31) {
1788
        fprintf(stderr, "qmin must be >= 1 and <= 31\n");
1789
        exit(1);
1790
    }
1791
}
1792

    
1793
void opt_mb_qmax(const char *arg)
1794
{
1795
    video_mb_qmax = atoi(arg);
1796
    if (video_mb_qmax < 0 ||
1797
        video_mb_qmax > 31) {
1798
        fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1799
        exit(1);
1800
    }
1801
}
1802

    
1803
void opt_qdiff(const char *arg)
1804
{
1805
    video_qdiff = atoi(arg);
1806
    if (video_qdiff < 0 ||
1807
        video_qdiff > 31) {
1808
        fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
1809
        exit(1);
1810
    }
1811
}
1812

    
1813
void opt_qblur(const char *arg)
1814
{
1815
    video_qblur = atof(arg);
1816
}
1817

    
1818
void opt_qcomp(const char *arg)
1819
{
1820
    video_qcomp = atof(arg);
1821
}
1822

    
1823
void opt_rc_initial_cplx(const char *arg)
1824
{
1825
    video_rc_initial_cplx = atof(arg);
1826
}
1827
void opt_b_qfactor(const char *arg)
1828
{
1829
    video_b_qfactor = atof(arg);
1830
}
1831
void opt_i_qfactor(const char *arg)
1832
{
1833
    video_i_qfactor = atof(arg);
1834
}
1835
void opt_b_qoffset(const char *arg)
1836
{
1837
    video_b_qoffset = atof(arg);
1838
}
1839
void opt_i_qoffset(const char *arg)
1840
{
1841
    video_i_qoffset = atof(arg);
1842
}
1843

    
1844
void opt_packet_size(const char *arg)
1845
{
1846
    packet_size= atoi(arg);
1847
}
1848

    
1849
void opt_strict(const char *arg)
1850
{
1851
    strict= atoi(arg);
1852
}
1853

    
1854
void opt_audio_bitrate(const char *arg)
1855
{
1856
    audio_bit_rate = atoi(arg) * 1000;
1857
}
1858

    
1859
void opt_audio_rate(const char *arg)
1860
{
1861
    audio_sample_rate = atoi(arg);
1862
}
1863

    
1864
void opt_audio_channels(const char *arg)
1865
{
1866
    audio_channels = atoi(arg);
1867
}
1868

    
1869
void opt_video_device(const char *arg)
1870
{
1871
    v4l_device = strdup(arg);
1872
}
1873

    
1874
void opt_audio_device(const char *arg)
1875
{
1876
    audio_device = strdup(arg);
1877
}
1878

    
1879
void opt_audio_codec(const char *arg)
1880
{
1881
    AVCodec *p;
1882

    
1883
    if (!strcmp(arg, "copy")) {
1884
        audio_stream_copy = 1;
1885
    } else {
1886
        p = first_avcodec;
1887
        while (p) {
1888
            if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
1889
                break;
1890
            p = p->next;
1891
        }
1892
        if (p == NULL) {
1893
            fprintf(stderr, "Unknown audio codec '%s'\n", arg);
1894
            exit(1);
1895
        } else {
1896
            audio_codec_id = p->id;
1897
        }
1898
    }
1899
}
1900

    
1901
void add_frame_hooker(const char *arg)
1902
{
1903
    int argc = 0;
1904
    char *argv[64];
1905
    int i;
1906
    char *args = strdup(arg);
1907

    
1908
    argv[0] = strtok(args, " ");
1909
    while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
1910
    }
1911

    
1912
    i = frame_hook_add(argc, argv);
1913

    
1914
    if (i != 0) {
1915
        fprintf(stderr, "Failed to add video hook function: %s\n", arg);
1916
        exit(1);
1917
    }
1918
}
1919

    
1920
const char *motion_str[] = {
1921
    "zero",
1922
    "full",
1923
    "log",
1924
    "phods",
1925
    "epzs",
1926
    "x1",
1927
    NULL,
1928
};
1929

    
1930
void opt_motion_estimation(const char *arg)
1931
{
1932
    const char **p;
1933
    p = motion_str;
1934
    for(;;) {
1935
        if (!*p) {
1936
            fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
1937
            exit(1);
1938
        }
1939
        if (!strcmp(*p, arg))
1940
            break;
1941
        p++;
1942
    }
1943
    me_method = (p - motion_str) + 1;
1944
}
1945

    
1946
void opt_video_codec(const char *arg)
1947
{
1948
    AVCodec *p;
1949

    
1950
    if (!strcmp(arg, "copy")) {
1951
        video_stream_copy = 1;
1952
    } else {
1953
        p = first_avcodec;
1954
        while (p) {
1955
            if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
1956
                break;
1957
            p = p->next;
1958
        }
1959
        if (p == NULL) {
1960
            fprintf(stderr, "Unknown video codec '%s'\n", arg);
1961
            exit(1);
1962
        } else {
1963
            video_codec_id = p->id;
1964
        }
1965
    }
1966
}
1967

    
1968
void opt_map(const char *arg)
1969
{
1970
    AVStreamMap *m;
1971
    const char *p;
1972

    
1973
    p = arg;
1974
    m = &stream_maps[nb_stream_maps++];
1975

    
1976
    m->file_index = strtol(arg, (char **)&p, 0);
1977
    if (*p)
1978
        p++;
1979

    
1980
    m->stream_index = strtol(p, (char **)&p, 0);
1981
}
1982

    
1983
void opt_recording_time(const char *arg)
1984
{
1985
    recording_time = parse_date(arg, 1);
1986
}
1987

    
1988
void print_error(const char *filename, int err)
1989
{
1990
    switch(err) {
1991
    case AVERROR_NUMEXPECTED:
1992
        fprintf(stderr, "%s: Incorrect image filename syntax.\n"
1993
                "Use '%%d' to specify the image number:\n"
1994
                "  for img1.jpg, img2.jpg, ..., use 'img%%d.jpg';\n"
1995
                "  for img001.jpg, img002.jpg, ..., use 'img%%03d.jpg'.\n", 
1996
                filename);
1997
        break;
1998
    case AVERROR_INVALIDDATA:
1999
        fprintf(stderr, "%s: Error while parsing header\n", filename);
2000
        break;
2001
    case AVERROR_NOFMT:
2002
        fprintf(stderr, "%s: Unknown format\n", filename);
2003
        break;
2004
    default:
2005
        fprintf(stderr, "%s: Error while opening file\n", filename);
2006
        break;
2007
    }
2008
}
2009

    
2010
void opt_input_file(const char *filename)
2011
{
2012
    AVFormatContext *ic;
2013
    AVFormatParameters params, *ap = &params;
2014
    int err, i, ret, rfps;
2015

    
2016
    if (!strcmp(filename, "-"))
2017
        filename = "pipe:";
2018

    
2019
    /* get default parameters from command line */
2020
    memset(ap, 0, sizeof(*ap));
2021
    ap->sample_rate = audio_sample_rate;
2022
    ap->channels = audio_channels;
2023
    ap->frame_rate = frame_rate;
2024
    ap->width = frame_width;
2025
    ap->height = frame_height;
2026
    ap->image_format = image_format;
2027

    
2028
    /* open the input file with generic libav function */
2029
    err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2030
    if (err < 0) {
2031
        print_error(filename, err);
2032
        exit(1);
2033
    }
2034
    
2035
    /* If not enough info to get the stream parameters, we decode the
2036
       first frames to get it. (used in mpeg case for example) */
2037
    ret = av_find_stream_info(ic);
2038
    if (ret < 0) {
2039
        fprintf(stderr, "%s: could not find codec parameters\n", filename);
2040
        exit(1);
2041
    }
2042

    
2043
    /* update the current parameters so that they match the one of the input stream */
2044
    for(i=0;i<ic->nb_streams;i++) {
2045
        AVCodecContext *enc = &ic->streams[i]->codec;
2046
        switch(enc->codec_type) {
2047
        case CODEC_TYPE_AUDIO:
2048
            //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2049
            audio_channels = enc->channels;
2050
            audio_sample_rate = enc->sample_rate;
2051
            break;
2052
        case CODEC_TYPE_VIDEO:
2053
            frame_height = enc->height;
2054
            frame_width = enc->width;
2055
            rfps = ic->streams[i]->r_frame_rate;
2056
            enc->workaround_bugs = workaround_bugs;
2057
            enc->error_resilience = error_resilience; 
2058
            enc->error_concealment = error_concealment; 
2059
            enc->idct_algo= idct_algo;
2060
            enc->debug= debug;
2061
/*            if(enc->codec->capabilities & CODEC_CAP_TRUNCATED)
2062
                enc->flags|= CODEC_FLAG_TRUNCATED; */
2063
            if(/*enc->codec_id==CODEC_ID_MPEG4 || */enc->codec_id==CODEC_ID_MPEG1VIDEO)
2064
                enc->flags|= CODEC_FLAG_TRUNCATED;
2065

    
2066
            if (enc->frame_rate != rfps) {
2067
                fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
2068
                    i, (float)enc->frame_rate / FRAME_RATE_BASE,
2069
                    (float)rfps / FRAME_RATE_BASE);
2070
            }
2071
            /* update the current frame rate to match the stream frame rate */
2072
            frame_rate = rfps;
2073
            break;
2074
        default:
2075
            av_abort();
2076
        }
2077
    }
2078
    
2079
    input_files[nb_input_files] = ic;
2080
    /* dump the file content */
2081
    dump_format(ic, nb_input_files, filename, 0);
2082
    nb_input_files++;
2083
    file_iformat = NULL;
2084
    file_oformat = NULL;
2085
    image_format = NULL;
2086
}
2087

    
2088
void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2089
{
2090
    int has_video, has_audio, i, j;
2091
    AVFormatContext *ic;
2092

    
2093
    has_video = 0;
2094
    has_audio = 0;
2095
    for(j=0;j<nb_input_files;j++) {
2096
        ic = input_files[j];
2097
        for(i=0;i<ic->nb_streams;i++) {
2098
            AVCodecContext *enc = &ic->streams[i]->codec;
2099
            switch(enc->codec_type) {
2100
            case CODEC_TYPE_AUDIO:
2101
                has_audio = 1;
2102
                break;
2103
            case CODEC_TYPE_VIDEO:
2104
                has_video = 1;
2105
                break;
2106
            default:
2107
                av_abort();
2108
            }
2109
        }
2110
    }
2111
    *has_video_ptr = has_video;
2112
    *has_audio_ptr = has_audio;
2113
}
2114

    
2115
void opt_output_file(const char *filename)
2116
{
2117
    AVStream *st;
2118
    AVFormatContext *oc;
2119
    int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
2120
    int codec_id;
2121
    AVFormatParameters params, *ap = &params;
2122

    
2123
    if (!strcmp(filename, "-"))
2124
        filename = "pipe:";
2125

    
2126
    oc = av_mallocz(sizeof(AVFormatContext));
2127

    
2128
    if (!file_oformat) {
2129
        file_oformat = guess_format(NULL, filename, NULL);
2130
        if (!file_oformat) {
2131
            fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2132
                    filename);
2133
            exit(1);
2134
        }
2135
    }
2136
    
2137
    oc->oformat = file_oformat;
2138

    
2139
    if (!strcmp(file_oformat->name, "ffm") && 
2140
        strstart(filename, "http:", NULL)) {
2141
        /* special case for files sent to ffserver: we get the stream
2142
           parameters from ffserver */
2143
        if (read_ffserver_streams(oc, filename) < 0) {
2144
            fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2145
            exit(1);
2146
        }
2147
    } else {
2148
        use_video = file_oformat->video_codec != CODEC_ID_NONE;
2149
        use_audio = file_oformat->audio_codec != CODEC_ID_NONE;
2150

    
2151
        /* disable if no corresponding type found and at least one
2152
           input file */
2153
        if (nb_input_files > 0) {
2154
            check_audio_video_inputs(&input_has_video, &input_has_audio);
2155
            if (!input_has_video)
2156
                use_video = 0;
2157
            if (!input_has_audio)
2158
                use_audio = 0;
2159
        }
2160

    
2161
        /* manual disable */
2162
        if (audio_disable) {
2163
            use_audio = 0;
2164
        }
2165
        if (video_disable) {
2166
            use_video = 0;
2167
        }
2168
        
2169
        nb_streams = 0;
2170
        if (use_video) {
2171
            AVCodecContext *video_enc;
2172
            
2173
            st = av_mallocz(sizeof(AVStream));
2174
            if (!st) {
2175
                fprintf(stderr, "Could not alloc stream\n");
2176
                exit(1);
2177
            }
2178
            avcodec_get_context_defaults(&st->codec);
2179

    
2180
            video_enc = &st->codec;
2181
            if (video_stream_copy) {
2182
                st->stream_copy = 1;
2183
                video_enc->codec_type = CODEC_TYPE_VIDEO;
2184
            } else {
2185
                char *p;
2186
                int i;
2187
            
2188
                codec_id = file_oformat->video_codec;
2189
                if (video_codec_id != CODEC_ID_NONE)
2190
                    codec_id = video_codec_id;
2191
                
2192
                video_enc->codec_id = codec_id;
2193
                
2194
                video_enc->bit_rate = video_bit_rate;
2195
                video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
2196
                video_enc->frame_rate = frame_rate; 
2197
                
2198
                video_enc->width = frame_width;
2199
                video_enc->height = frame_height;
2200

    
2201
                if (!intra_only)
2202
                    video_enc->gop_size = gop_size;
2203
                else
2204
                    video_enc->gop_size = 0;
2205
                if (video_qscale || same_quality) {
2206
                    video_enc->flags |= CODEC_FLAG_QSCALE;
2207
                    st->quality = video_qscale;
2208
                }
2209
            
2210
                if (use_hq) {
2211
                    video_enc->flags |= CODEC_FLAG_HQ;
2212
                }
2213
            
2214
                if (use_4mv) {
2215
                    video_enc->flags |= CODEC_FLAG_HQ;
2216
                    video_enc->flags |= CODEC_FLAG_4MV;
2217
                }
2218
            
2219
                if(use_part)
2220
                    video_enc->flags |= CODEC_FLAG_PART;
2221
               
2222
            
2223
                if (b_frames) {
2224
                    if (codec_id != CODEC_ID_MPEG4) {
2225
                        fprintf(stderr, "\nB frames encoding only supported by MPEG-4.\n");
2226
                        exit(1);
2227
                    }
2228
                    video_enc->max_b_frames = b_frames;
2229
                    video_enc->b_frame_strategy = 0;
2230
                    video_enc->b_quant_factor = 2.0;
2231
                }
2232
            
2233
                video_enc->qmin = video_qmin;
2234
                video_enc->qmax = video_qmax;
2235
                video_enc->mb_qmin = video_mb_qmin;
2236
                video_enc->mb_qmax = video_mb_qmax;
2237
                video_enc->max_qdiff = video_qdiff;
2238
                video_enc->qblur = video_qblur;
2239
                video_enc->qcompress = video_qcomp;
2240
                video_enc->rc_eq = video_rc_eq;
2241
                video_enc->debug= debug;
2242
                
2243
                p= video_rc_override_string;
2244
                for(i=0; p; i++){
2245
                    int start, end, q;
2246
                    int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2247
                    if(e!=3){
2248
                        fprintf(stderr, "error parsing rc_override\n");
2249
                        exit(1);
2250
                    }
2251
                    video_enc->rc_override= 
2252
                        realloc(video_enc->rc_override, sizeof(RcOverride)*(i+1));
2253
                    video_enc->rc_override[i].start_frame= start;
2254
                    video_enc->rc_override[i].end_frame  = end;
2255
                    if(q>0){
2256
                        video_enc->rc_override[i].qscale= q;
2257
                        video_enc->rc_override[i].quality_factor= 1.0;
2258
                    }
2259
                    else{
2260
                        video_enc->rc_override[i].qscale= 0;
2261
                        video_enc->rc_override[i].quality_factor= -q/100.0;
2262
                    }
2263
                    p= strchr(p, '/');
2264
                    if(p) p++;
2265
                }
2266
                video_enc->rc_override_count=i;
2267

    
2268
                video_enc->rc_max_rate = video_rc_max_rate;
2269
                video_enc->rc_min_rate = video_rc_min_rate;
2270
                video_enc->rc_buffer_size = video_rc_buffer_size;
2271
                video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
2272
                video_enc->rc_initial_cplx= video_rc_initial_cplx;
2273
                video_enc->i_quant_factor = video_i_qfactor;
2274
                video_enc->b_quant_factor = video_b_qfactor;
2275
                video_enc->i_quant_offset = video_i_qoffset;
2276
                video_enc->b_quant_offset = video_b_qoffset;
2277
                video_enc->dct_algo = dct_algo;
2278
                video_enc->idct_algo = idct_algo;
2279
                video_enc->strict_std_compliance = strict;
2280
                if(packet_size){
2281
                    video_enc->rtp_mode= 1;
2282
                    video_enc->rtp_payload_size= packet_size;
2283
                }
2284
            
2285
                if (do_psnr)
2286
                    video_enc->flags|= CODEC_FLAG_PSNR;
2287
            
2288
                video_enc->me_method = me_method;
2289

    
2290
                /* two pass mode */
2291
                if (do_pass) {
2292
                    if (do_pass == 1) {
2293
                        video_enc->flags |= CODEC_FLAG_PASS1;
2294
                    } else {
2295
                        video_enc->flags |= CODEC_FLAG_PASS2;
2296
                    }
2297
                }
2298
            }
2299
            oc->streams[nb_streams] = st;
2300
            nb_streams++;
2301
        }
2302
    
2303
        if (use_audio) {
2304
            AVCodecContext *audio_enc;
2305

    
2306
            st = av_mallocz(sizeof(AVStream));
2307
            if (!st) {
2308
                fprintf(stderr, "Could not alloc stream\n");
2309
                exit(1);
2310
            }
2311
            avcodec_get_context_defaults(&st->codec);
2312

    
2313
            audio_enc = &st->codec;
2314
            audio_enc->codec_type = CODEC_TYPE_AUDIO;
2315
            if (audio_stream_copy) {
2316
                st->stream_copy = 1;
2317
            } else {
2318
                codec_id = file_oformat->audio_codec;
2319
                if (audio_codec_id != CODEC_ID_NONE)
2320
                    codec_id = audio_codec_id;
2321
                audio_enc->codec_id = codec_id;
2322
                
2323
                audio_enc->bit_rate = audio_bit_rate;
2324
                audio_enc->sample_rate = audio_sample_rate;
2325
                /* For audio codecs other than AC3 we limit */
2326
                /* the number of coded channels to stereo   */
2327
                if (audio_channels > 2 && codec_id != CODEC_ID_AC3) {
2328
                    audio_enc->channels = 2;
2329
                } else
2330
                    audio_enc->channels = audio_channels;
2331
            }
2332
            oc->streams[nb_streams] = st;
2333
            nb_streams++;
2334
        }
2335

    
2336
        oc->nb_streams = nb_streams;
2337

    
2338
        if (!nb_streams) {
2339
            fprintf(stderr, "No audio or video streams available\n");
2340
            exit(1);
2341
        }
2342

    
2343
        if (str_title)
2344
            pstrcpy(oc->title, sizeof(oc->title), str_title);
2345
        if (str_author)
2346
            pstrcpy(oc->author, sizeof(oc->author), str_author);
2347
        if (str_copyright)
2348
            pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
2349
        if (str_comment)
2350
            pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
2351
    }
2352

    
2353
    output_files[nb_output_files++] = oc;
2354

    
2355
    strcpy(oc->filename, filename);
2356

    
2357
    /* check filename in case of an image number is expected */
2358
    if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
2359
        if (filename_number_test(oc->filename) < 0) {
2360
            print_error(oc->filename, AVERROR_NUMEXPECTED);
2361
            exit(1);
2362
        }
2363
    }
2364

    
2365
    if (!(oc->oformat->flags & AVFMT_NOFILE)) {
2366
        /* test if it already exists to avoid loosing precious files */
2367
        if (!file_overwrite && 
2368
            (strchr(filename, ':') == NULL ||
2369
             strstart(filename, "file:", NULL))) {
2370
            if (url_exist(filename)) {
2371
                int c;
2372
                
2373
                printf("File '%s' already exists. Overwrite ? [y/N] ", filename);
2374
                fflush(stdout);
2375
                c = getchar();
2376
                if (toupper(c) != 'Y') {
2377
                    fprintf(stderr, "Not overwriting - exiting\n");
2378
                    exit(1);
2379
                }
2380
            }
2381
        }
2382
        
2383
        /* open the file */
2384
        if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
2385
            fprintf(stderr, "Could not open '%s'\n", filename);
2386
            exit(1);
2387
        }
2388
    }
2389

    
2390
    memset(ap, 0, sizeof(*ap));
2391
    ap->image_format = image_format;
2392
    if (av_set_parameters(oc, ap) < 0) {
2393
        fprintf(stderr, "%s: Invalid encoding parameters\n",
2394
                oc->filename);
2395
        exit(1);
2396
    }
2397

    
2398
    /* reset some options */
2399
    file_oformat = NULL;
2400
    file_iformat = NULL;
2401
    image_format = NULL;
2402
    audio_disable = 0;
2403
    video_disable = 0;
2404
    audio_codec_id = CODEC_ID_NONE;
2405
    video_codec_id = CODEC_ID_NONE;
2406
    audio_stream_copy = 0;
2407
    video_stream_copy = 0;
2408
}
2409

    
2410
/* prepare dummy protocols for grab */
2411
void prepare_grab(void)
2412
{
2413
    int has_video, has_audio, i, j;
2414
    AVFormatContext *oc;
2415
    AVFormatContext *ic;
2416
    AVFormatParameters ap1, *ap = &ap1;
2417

    
2418
    /* see if audio/video inputs are needed */
2419
    has_video = 0;
2420
    has_audio = 0;
2421
    memset(ap, 0, sizeof(*ap));
2422
    for(j=0;j<nb_output_files;j++) {
2423
        oc = output_files[j];
2424
        for(i=0;i<oc->nb_streams;i++) {
2425
            AVCodecContext *enc = &oc->streams[i]->codec;
2426
            switch(enc->codec_type) {
2427
            case CODEC_TYPE_AUDIO:
2428
                if (enc->sample_rate > ap->sample_rate)
2429
                    ap->sample_rate = enc->sample_rate;
2430
                if (enc->channels > ap->channels)
2431
                    ap->channels = enc->channels;
2432
                has_audio = 1;
2433
                break;
2434
            case CODEC_TYPE_VIDEO:
2435
                if (enc->width > ap->width)
2436
                    ap->width = enc->width;
2437
                if (enc->height > ap->height)
2438
                    ap->height = enc->height;
2439
                if (enc->frame_rate > ap->frame_rate)
2440
                    ap->frame_rate = enc->frame_rate;
2441
                has_video = 1;
2442
                break;
2443
            default:
2444
                av_abort();
2445
            }
2446
        }
2447
    }
2448
    
2449
    if (has_video == 0 && has_audio == 0) {
2450
        fprintf(stderr, "Output file must have at least one audio or video stream\n");
2451
        exit(1);
2452
    }
2453
    
2454
    if (has_video) {
2455
        AVInputFormat *fmt1;
2456
        fmt1 = av_find_input_format("video_grab_device");
2457
        if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
2458
            fprintf(stderr, "Could not find video grab device\n");
2459
            exit(1);
2460
        }
2461
        /* by now video grab has one stream */
2462
        ic->streams[0]->r_frame_rate = ap->frame_rate;
2463
        input_files[nb_input_files] = ic;
2464
        dump_format(ic, nb_input_files, v4l_device, 0);
2465
        nb_input_files++;
2466
    }
2467
    if (has_audio) {
2468
        AVInputFormat *fmt1;
2469
        fmt1 = av_find_input_format("audio_device");
2470
        if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
2471
            fprintf(stderr, "Could not find audio grab device\n");
2472
            exit(1);
2473
        }
2474
        input_files[nb_input_files] = ic;
2475
        dump_format(ic, nb_input_files, audio_device, 0);
2476
        nb_input_files++;
2477
    }
2478
}
2479

    
2480
/* open the necessary output devices for playing */
2481
void prepare_play(void)
2482
{
2483
    file_iformat = NULL;
2484
    file_oformat = guess_format("audio_device", NULL, NULL);
2485
    if (!file_oformat) {
2486
        fprintf(stderr, "Could not find audio device\n");
2487
        exit(1);
2488
    }
2489
    
2490
    opt_output_file(audio_device);
2491
}
2492

    
2493
/* same option as mencoder */
2494
void opt_pass(const char *pass_str)
2495
{
2496
    int pass;
2497
    pass = atoi(pass_str);
2498
    if (pass != 1 && pass != 2) {
2499
        fprintf(stderr, "pass number can be only 1 or 2\n");
2500
        exit(1);
2501
    }
2502
    do_pass = pass;
2503
}
2504

    
2505
#if defined(CONFIG_WIN32) || defined(CONFIG_OS2)
2506
INT64 getutime(void)
2507
{
2508
  return av_gettime();
2509
}
2510
#else
2511
INT64 getutime(void)
2512
{
2513
    struct rusage rusage;
2514

    
2515
    getrusage(RUSAGE_SELF, &rusage);
2516
    return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2517
}
2518
#endif
2519

    
2520
extern int ffm_nopts;
2521

    
2522
void opt_bitexact(void)
2523
{
2524
    avcodec_set_bit_exact();
2525
    /* disable generate of real time pts in ffm (need to be supressed anyway) */
2526
    ffm_nopts = 1;
2527
}
2528

    
2529
void show_formats(void)
2530
{
2531
    AVInputFormat *ifmt;
2532
    AVOutputFormat *ofmt;
2533
    AVImageFormat *image_fmt;
2534
    URLProtocol *up;
2535
    AVCodec *p;
2536
    const char **pp;
2537

    
2538
    printf("Output audio/video file formats:");
2539
    for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
2540
        printf(" %s", ofmt->name);
2541
    }
2542
    printf("\n");
2543

    
2544
    printf("Input audio/video file formats:");
2545
    for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
2546
        printf(" %s", ifmt->name);
2547
    }
2548
    printf("\n");
2549

    
2550
    printf("Output image formats:");
2551
    for(image_fmt = first_image_format; image_fmt != NULL; 
2552
        image_fmt = image_fmt->next) {
2553
        if (image_fmt->img_write)
2554
            printf(" %s", image_fmt->name);
2555
    }
2556
    printf("\n");
2557

    
2558
    printf("Input image formats:");
2559
    for(image_fmt = first_image_format; image_fmt != NULL; 
2560
        image_fmt = image_fmt->next) {
2561
        if (image_fmt->img_read)
2562
            printf(" %s", image_fmt->name);
2563
    }
2564
    printf("\n");
2565

    
2566
    printf("Codecs:\n");
2567
    printf("  Encoders:");
2568
    for(p = first_avcodec; p != NULL; p = p->next) {
2569
        if (p->encode)
2570
            printf(" %s", p->name);
2571
    }
2572
    printf("\n");
2573

    
2574
    printf("  Decoders:");
2575
    for(p = first_avcodec; p != NULL; p = p->next) {
2576
        if (p->decode)
2577
            printf(" %s", p->name);
2578
    }
2579
    printf("\n");
2580

    
2581
    printf("Supported file protocols:");
2582
    for(up = first_protocol; up != NULL; up = up->next)
2583
        printf(" %s:", up->name);
2584
    printf("\n");
2585
    
2586
    printf("Frame size abbreviations: sqcif qcif cif 4cif\n");
2587
    printf("Motion estimation methods:");
2588
    pp = motion_str;
2589
    while (*pp) {
2590
        printf(" %s", *pp);
2591
        if ((pp - motion_str + 1) == ME_ZERO) 
2592
            printf("(fastest)");
2593
        else if ((pp - motion_str + 1) == ME_FULL) 
2594
            printf("(slowest)");
2595
        else if ((pp - motion_str + 1) == ME_EPZS) 
2596
            printf("(default)");
2597
        pp++;
2598
    }
2599
    printf("\n");
2600
    exit(1);
2601
}
2602

    
2603
void show_help(void)
2604
{
2605
    const char *prog;
2606
    const OptionDef *po;
2607
    int i, expert;
2608
    
2609
    prog = do_play ? "ffplay" : "ffmpeg";
2610

    
2611
    printf("%s version " FFMPEG_VERSION ", Copyright (c) 2000, 2001, 2002 Fabrice Bellard\n",
2612
           prog);
2613
    
2614
    if (!do_play) {
2615
        printf("usage: ffmpeg [[options] -i input_file]... {[options] outfile}...\n"
2616
               "Hyper fast MPEG1/MPEG4/H263/RV and AC3/MPEG audio encoder\n");
2617
    } else {
2618
        printf("usage: ffplay [options] input_file...\n"
2619
               "Simple audio player\n");
2620
    }
2621
           
2622
    printf("\n"
2623
           "Main options are:\n");
2624
    for(i=0;i<2;i++) {
2625
        if (i == 1)
2626
            printf("\nAdvanced options are:\n");
2627
        for(po = options; po->name != NULL; po++) {
2628
            char buf[64];
2629
            expert = (po->flags & OPT_EXPERT) != 0;
2630
            if (expert == i) {
2631
                strcpy(buf, po->name);
2632
                if (po->flags & HAS_ARG) {
2633
                    strcat(buf, " ");
2634
                    strcat(buf, po->argname);
2635
                }
2636
                printf("-%-17s  %s\n", buf, po->help);
2637
            }
2638
        }
2639
    }
2640

    
2641
    exit(1);
2642
}
2643

    
2644
const OptionDef options[] = {
2645
    { "L", 0, {(void*)show_licence}, "show license" },
2646
    { "h", 0, {(void*)show_help}, "show help" },
2647
    { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
2648
    { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
2649
    { "img", HAS_ARG, {(void*)opt_image_format}, "force image format", "img_fmt" },
2650
    { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
2651
    { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
2652
    { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream" },
2653
    { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
2654
    { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
2655
    { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
2656
    { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
2657
    { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
2658
    { "pass", HAS_ARG, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
2659
    { "passlogfile", HAS_ARG | OPT_STRING, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
2660
    /* video options */
2661
    { "b", HAS_ARG, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" },
2662
    { "r", HAS_ARG, {(void*)opt_frame_rate}, "set frame rate (in Hz)", "rate" },
2663
    { "em_rate", OPT_BOOL|OPT_EXPERT, {(void*)&emulate_frame_rate}, "makes img reading happen at nominal frame rate" },
2664
    { "s", HAS_ARG, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
2665
    { "croptop", HAS_ARG, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
2666
    { "cropbottom", HAS_ARG, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
2667
    { "cropleft", HAS_ARG, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
2668
    { "cropright", HAS_ARG, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
2669
    { "g", HAS_ARG | OPT_EXPERT, {(void*)opt_gop_size}, "set the group of picture size", "gop_size" },
2670
    { "intra", OPT_BOOL | OPT_EXPERT, {(void*)&intra_only}, "use only intra frames"},
2671
    { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
2672
    { "qscale", HAS_ARG | OPT_EXPERT, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
2673
    { "qmin", HAS_ARG | OPT_EXPERT, {(void*)opt_qmin}, "min video quantiser scale (VBR)", "q" },
2674
    { "qmax", HAS_ARG | OPT_EXPERT, {(void*)opt_qmax}, "max video quantiser scale (VBR)", "q" },
2675
    { "mbqmin", HAS_ARG | OPT_EXPERT, {(void*)opt_mb_qmin}, "min macroblock quantiser scale (VBR)", "q" },
2676
    { "mbqmax", HAS_ARG | OPT_EXPERT, {(void*)opt_mb_qmax}, "max macroblock quantiser scale (VBR)", "q" },
2677
    { "qdiff", HAS_ARG | OPT_EXPERT, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" },
2678
    { "qblur", HAS_ARG | OPT_EXPERT, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" },
2679
    { "qcomp", HAS_ARG | OPT_EXPERT, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" },
2680
    { "rc_init_cplx", HAS_ARG | OPT_EXPERT, {(void*)opt_rc_initial_cplx}, "initial complexity for 1-pass encoding", "complexity" },
2681
    { "b_qfactor", HAS_ARG | OPT_EXPERT, {(void*)opt_b_qfactor}, "qp factor between p and b frames", "factor" },
2682
    { "i_qfactor", HAS_ARG | OPT_EXPERT, {(void*)opt_i_qfactor}, "qp factor between p and i frames", "factor" },
2683
    { "b_qoffset", HAS_ARG | OPT_EXPERT, {(void*)opt_b_qoffset}, "qp offset between p and b frames", "offset" },
2684
    { "i_qoffset", HAS_ARG | OPT_EXPERT, {(void*)opt_i_qoffset}, "qp offset between p and i frames", "offset" },
2685
//    { "b_strategy", HAS_ARG | OPT_EXPERT, {(void*)opt_b_strategy}, "dynamic b frame selection strategy", "strategy" },
2686
    { "rc_eq", HAS_ARG | OPT_EXPERT, {(void*)opt_video_rc_eq}, "", "equation" },
2687
    { "rc_override", HAS_ARG | OPT_EXPERT, {(void*)opt_video_rc_override_string}, "Rate control override", "qualities for specific intervals" },
2688
    { "bt", HAS_ARG, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
2689
    { "maxrate", HAS_ARG, {(void*)opt_video_bitrate_max}, "set max video bitrate tolerance (in kbit/s)", "bitrate" },
2690
    { "minrate", HAS_ARG, {(void*)opt_video_bitrate_min}, "set min video bitrate tolerance (in kbit/s)", "bitrate" },
2691
    { "bufsize", HAS_ARG, {(void*)opt_video_buffer_size}, "set ratecontrol buffere size (in kbit)", "size" },
2692
    { "vd", HAS_ARG | OPT_EXPERT, {(void*)opt_video_device}, "set video grab device", "device" },
2693
    { "vcodec", HAS_ARG | OPT_EXPERT, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
2694
    { "me", HAS_ARG | OPT_EXPERT, {(void*)opt_motion_estimation}, "set motion estimation method", 
2695
      "method" },
2696
    { "dct_algo", HAS_ARG | OPT_EXPERT, {(void*)opt_dct_algo}, "set dct algo",  "algo" },
2697
    { "idct_algo", HAS_ARG | OPT_EXPERT, {(void*)opt_idct_algo}, "set idct algo",  "algo" },
2698
    { "er", HAS_ARG | OPT_EXPERT, {(void*)opt_error_resilience}, "set error resilience",  "" },
2699
    { "ec", HAS_ARG | OPT_EXPERT, {(void*)opt_error_concealment}, "set error concealment",  "" },
2700
    { "bf", HAS_ARG | OPT_EXPERT, {(void*)opt_b_frames}, "use 'frames' B frames (only MPEG-4)", "frames" },
2701
    { "hq", OPT_BOOL | OPT_EXPERT, {(void*)&use_hq}, "activate high quality settings" },
2702
    { "4mv", OPT_BOOL | OPT_EXPERT, {(void*)&use_4mv}, "use four motion vector by macroblock (only MPEG-4)" },
2703
    { "part", OPT_BOOL | OPT_EXPERT, {(void*)&use_part}, "use data partitioning (only MPEG-4)" },
2704
    { "bug", HAS_ARG | OPT_EXPERT, {(void*)opt_workaround_bugs}, "workaround not auto detected encoder bugs", "param" },
2705
    { "ps", HAS_ARG | OPT_EXPERT, {(void*)opt_packet_size}, "packet size", "size in bits" },
2706
    { "strict", HAS_ARG | OPT_EXPERT, {(void*)opt_strict}, "strictness", "how strictly to follow the standarts" },
2707
    { "sameq", OPT_BOOL, {(void*)&same_quality}, 
2708
      "use same video quality as source (implies VBR)" },
2709
    { "debug", HAS_ARG | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
2710
    /* audio options */
2711
    { "ab", HAS_ARG, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", },
2712
    { "ar", HAS_ARG, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
2713
    { "ac", HAS_ARG, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
2714
    { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
2715
    { "ad", HAS_ARG | OPT_EXPERT, {(void*)opt_audio_device}, "set audio device", "device" },
2716
    { "acodec", HAS_ARG | OPT_EXPERT, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
2717
    { "deinterlace", OPT_BOOL | OPT_EXPERT, {(void*)&do_deinterlace}, 
2718
      "deinterlace pictures" },
2719
    { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark}, 
2720
      "add timings for benchmarking" },
2721
    { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump}, 
2722
      "dump each input packet" },
2723
    { "psnr", OPT_BOOL | OPT_EXPERT, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
2724
    { "vstats", OPT_BOOL | OPT_EXPERT, {(void*)&do_vstats}, "dump video coding statistics to file" }, 
2725
    { "bitexact", OPT_EXPERT, {(void*)opt_bitexact}, "only use bit exact algorithms (for codec testing)" }, 
2726
    { "vhook", HAS_ARG | OPT_EXPERT, {(void*)add_frame_hooker}, "insert video processing module", "module name and parameters" },
2727
    { NULL, },
2728
};
2729

    
2730
int main(int argc, char **argv)
2731
{
2732
    int optindex, i;
2733
    const char *opt, *arg;
2734
    const OptionDef *po;
2735
    INT64 ti;
2736
    
2737
    av_register_all();
2738

    
2739
    /* detect if invoked as player */
2740
    i = strlen(argv[0]);
2741
    if (i >= 6 && !strcmp(argv[0] + i - 6, "ffplay"))
2742
        do_play = 1;
2743

    
2744
    if (argc <= 1)
2745
        show_help();
2746
    
2747
    /* parse options */
2748
    optindex = 1;
2749
    while (optindex < argc) {
2750
        opt = argv[optindex++];
2751
        
2752
        if (opt[0] == '-' && opt[1] != '\0') {
2753
            po = options;
2754
            while (po->name != NULL) {
2755
                if (!strcmp(opt + 1, po->name))
2756
                    break;
2757
                po++;
2758
            }
2759
            if (!po->name) {
2760
                fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt);
2761
                exit(1);
2762
            }
2763
            arg = NULL;
2764
            if (po->flags & HAS_ARG) {
2765
                arg = argv[optindex++];
2766
                if (!arg) {
2767
                    fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt);
2768
                    exit(1);
2769
                }
2770
            }
2771
            if (po->flags & OPT_STRING) {
2772
                char *str;
2773
                str = strdup(arg);
2774
                *po->u.str_arg = str;
2775
            } else if (po->flags & OPT_BOOL) {
2776
                *po->u.int_arg = 1;
2777
            } else {
2778
                po->u.func_arg(arg);
2779
            }
2780
        } else {
2781
            if (!do_play) {
2782
                opt_output_file(opt);
2783
            } else {
2784
                opt_input_file(opt);
2785
            }
2786
        }
2787
    }
2788

    
2789

    
2790
    if (!do_play) {
2791
        /* file converter / grab */
2792
        if (nb_output_files <= 0) {
2793
            fprintf(stderr, "Must supply at least one output file\n");
2794
            exit(1);
2795
        }
2796
        
2797
        if (nb_input_files == 0) {
2798
            prepare_grab();
2799
        }
2800
    } else {
2801
        /* player */
2802
        if (nb_input_files <= 0) {
2803
            fprintf(stderr, "Must supply at least one input file\n");
2804
            exit(1);
2805
        }
2806
        prepare_play();
2807
    }
2808

    
2809
    ti = getutime();
2810
    av_encode(output_files, nb_output_files, input_files, nb_input_files, 
2811
              stream_maps, nb_stream_maps);
2812
    ti = getutime() - ti;
2813
    if (do_benchmark) {
2814
        printf("bench: utime=%0.3fs\n", ti / 1000000.0);
2815
    }
2816

    
2817
    /* close files */
2818
    for(i=0;i<nb_output_files;i++) {
2819
        /* maybe av_close_output_file ??? */
2820
        AVFormatContext *s = output_files[i];
2821
        int j;
2822
        if (!(s->oformat->flags & AVFMT_NOFILE))
2823
            url_fclose(&s->pb);
2824
        for(j=0;j<s->nb_streams;j++)
2825
            av_free(s->streams[j]);
2826
        av_free(s);
2827
    }
2828
    for(i=0;i<nb_input_files;i++)
2829
        av_close_input_file(input_files[i]);
2830

    
2831
    av_free_static();
2832
    return 0;
2833
}