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ffmpeg / ffmpeg.c @ e9a9e0c2

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1
/*
2
 * FFmpeg main 
3
 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
4
 *
5
 * This library is free software; you can redistribute it and/or
6
 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13
 * Lesser General Public License for more details.
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 *
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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>
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#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;
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    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)();
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        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
static char *video_grab_format = "video4linux";
162
static char *video_device = NULL;
163
static int  video_channel = 0;
164

    
165
static char *audio_grab_format = "audio_device";
166
static char *audio_device = NULL;
167

    
168
#define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
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
    *frame_size = 0;
536

    
537
    /* NOTE: the A/V sync is always done by considering the audio is
538
       the master clock. It is suffisant for transcoding or playing,
539
       but not for the general case */
540
    if (audio_sync) {
541
        /* compute the A-V delay and duplicate/remove frames if needed */
542
        double adelta, vdelta, apts, vpts, av_delay;
543
        
544
        if (audio_sync->sync_ipts != AV_NOPTS_VALUE &&
545
            ost->sync_ipts != AV_NOPTS_VALUE) {
546
            
547
            adelta = (double)(ost->st->pts.val - audio_sync->sync_opts) * 
548
                s->pts_num / s->pts_den;
549
            apts = audio_sync->sync_ipts + adelta; 
550
            
551
            vdelta = (double)(ost->st->pts.val - ost->sync_opts) *
552
                s->pts_num / s->pts_den;
553
            vpts = ost->sync_ipts + vdelta;
554
            
555
            av_delay = apts - vpts;
556
            //            printf("delay=%f\n", av_delay);
557
            if (av_delay < -AV_DELAY_MAX)
558
                nb_frames = 2;
559
            else if (av_delay > AV_DELAY_MAX)
560
                nb_frames = 0;
561
        }
562
    } else {
563
        double vdelta;
564

    
565
        if (ost->sync_ipts != AV_NOPTS_VALUE) {
566
            vdelta = (double)(ost->st->pts.val) * s->pts_num / s->pts_den - (ost->sync_ipts - ost->sync_ipts_offset);
567
            if (vdelta < 100 && vdelta > -100 && ost->sync_ipts_offset) {
568
                if (vdelta < -AV_DELAY_MAX)
569
                    nb_frames = 2;
570
                else if (vdelta > AV_DELAY_MAX)
571
                    nb_frames = 0;
572
            } else {
573
                ost->sync_ipts_offset -= vdelta;
574
                if (!ost->sync_ipts_offset)
575
                    ost->sync_ipts_offset = 0.000001; /* one microsecond */
576
            }
577

    
578
#if defined(PJSG)
579
            {
580
                static char *action[] = { "drop frame", "copy frame", "dup frame" };
581
                printf("Input PTS %12.6f, output PTS %12.6f: %s\n",
582
                    (double) ost->sync_ipts, (double) ost->st->pts.val * s->pts_num / s->pts_den,
583
                    action[nb_frames]);
584
            }
585
#endif
586
        }
587
    }
588
    if (nb_frames <= 0) 
589
        return;
590

    
591
    if (!video_buffer)
592
        video_buffer = av_malloc(VIDEO_BUFFER_SIZE);
593
    if (!video_buffer)
594
        return;
595

    
596
    /* convert pixel format if needed */
597
    if (enc->pix_fmt != dec->pix_fmt) {
598
        int size;
599

    
600
        /* create temporary picture */
601
        size = avpicture_get_size(enc->pix_fmt, dec->width, dec->height);
602
        buf = av_malloc(size);
603
        if (!buf)
604
            return;
605
        formatted_picture = &picture_format_temp;
606
        avpicture_fill(formatted_picture, buf, enc->pix_fmt, dec->width, dec->height);
607
        
608
        if (img_convert(formatted_picture, enc->pix_fmt, 
609
                        in_picture, dec->pix_fmt, 
610
                        dec->width, dec->height) < 0) {
611
            fprintf(stderr, "pixel format conversion not handled\n");
612
            goto the_end;
613
        }
614
    } else {
615
        formatted_picture = in_picture;
616
    }
617

    
618
    /* XXX: resampling could be done before raw format convertion in
619
       some cases to go faster */
620
    /* XXX: only works for YUV420P */
621
    if (ost->video_resample) {
622
        final_picture = &ost->pict_tmp;
623
        img_resample(ost->img_resample_ctx, final_picture, formatted_picture);
624
    } else if (ost->video_crop) {
625
        picture_crop_temp.data[0] = formatted_picture->data[0] +
626
                (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
627

    
628
        picture_crop_temp.data[1] = formatted_picture->data[1] +
629
                ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
630
                (ost->leftBand >> 1);
631

    
632
        picture_crop_temp.data[2] = formatted_picture->data[2] +
633
                ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
634
                (ost->leftBand >> 1);
635

    
636
        picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
637
        picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
638
        picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
639
        final_picture = &picture_crop_temp;
640
    } else {
641
        final_picture = formatted_picture;
642
    }
643
    /* duplicates frame if needed */
644
    /* XXX: pb because no interleaving */
645
    for(i=0;i<nb_frames;i++) {
646
        if (enc->codec_id != CODEC_ID_RAWVIDEO) {
647
            AVFrame big_picture;
648
            
649
            memset(&big_picture, 0, sizeof(AVFrame));
650
            *(AVPicture*)&big_picture= *final_picture;
651
                        
652
            /* handles sameq here. This is not correct because it may
653
               not be a global option */
654
            if (same_quality) {
655
                big_picture.quality = ist->st->quality;
656
            }else
657
                big_picture.quality = ost->st->quality;
658
            
659
            ret = avcodec_encode_video(enc, 
660
                                       video_buffer, VIDEO_BUFFER_SIZE,
661
                                       &big_picture);
662
            //enc->frame_number = enc->real_pict_num;
663
            av_write_frame(s, ost->index, video_buffer, ret);
664
            *frame_size = ret;
665
            //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
666
            //        enc->frame_number-1, enc->real_pict_num, ret,
667
            //        enc->pict_type);
668
            /* if two pass, output log */
669
            if (ost->logfile && enc->stats_out) {
670
                fprintf(ost->logfile, "%s", enc->stats_out);
671
            }
672
        } else {
673
            if (s->oformat->flags & AVFMT_RAWPICTURE) {
674
                /* raw pictures are written as AVPicture structure to
675
                   avoid any copies. We support temorarily the older
676
                   method. */
677
                av_write_frame(s, ost->index, 
678
                               (UINT8 *)final_picture, sizeof(AVPicture));
679
            } else {
680
                write_picture(s, ost->index, final_picture, enc->pix_fmt, 
681
                              enc->width, enc->height);
682
            }
683
        }
684
        ost->frame_number++;
685
    }
686
 the_end:
687
    av_free(buf);
688
    av_free(buf1);
689
}
690

    
691
static double psnr(double d){
692
    if(d==0) return INFINITY;
693
    return -10.0*log(d)/log(10);
694
}
695

    
696
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost, 
697
                           int frame_size)
698
{
699
    static FILE *fvstats=NULL;
700
    static INT64 total_size = 0;
701
    char filename[40];
702
    time_t today2;
703
    struct tm *today;
704
    AVCodecContext *enc;
705
    int frame_number;
706
    INT64 ti;
707
    double ti1, bitrate, avg_bitrate;
708
    
709
    if (!fvstats) {
710
        today2 = time(NULL);
711
        today = localtime(&today2);
712
        sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
713
                                               today->tm_min,
714
                                               today->tm_sec);
715
        fvstats = fopen(filename,"w");
716
        if (!fvstats) {
717
            perror("fopen");
718
            exit(1);
719
        }
720
    }
721
    
722
    ti = MAXINT64;
723
    enc = &ost->st->codec;
724
    total_size += frame_size;
725
    if (enc->codec_type == CODEC_TYPE_VIDEO) {
726
        frame_number = ost->frame_number;
727
        fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality);
728
        if (enc->flags&CODEC_FLAG_PSNR)
729
            fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
730
        
731
        fprintf(fvstats,"f_size= %6d ", frame_size);
732
        /* compute pts value */
733
        ti1 = (double)ost->st->pts.val * os->pts_num / os->pts_den;
734
        if (ti1 < 0.01)
735
            ti1 = 0.01;
736
    
737
        bitrate = (double)(frame_size * 8) * enc->frame_rate / FRAME_RATE_BASE / 1000.0;
738
        avg_bitrate = (double)(total_size * 8) / ti1 / 1000.0;
739
        fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
740
            (double)total_size / 1024, ti1, bitrate, avg_bitrate);
741
        fprintf(fvstats,"type= %s\n", enc->coded_frame->key_frame == 1 ? "I" : "P");        
742
    }
743
}
744

    
745
void print_report(AVFormatContext **output_files, 
746
                  AVOutputStream **ost_table, int nb_ostreams,
747
                  int is_last_report)
748
{
749
    char buf[1024];
750
    AVOutputStream *ost;
751
    AVFormatContext *oc, *os;
752
    INT64 total_size;
753
    AVCodecContext *enc;
754
    int frame_number, vid, i;
755
    double bitrate, ti1, pts;
756
    static INT64 last_time = -1;
757
    
758
    if (!is_last_report) {
759
        INT64 cur_time;
760
        /* display the report every 0.5 seconds */
761
        cur_time = av_gettime();
762
        if (last_time == -1) {
763
            last_time = cur_time;
764
            return;
765
        } 
766
        if ((cur_time - last_time) < 500000)
767
            return;
768
        last_time = cur_time;
769
    }
770

    
771

    
772
    oc = output_files[0];
773

    
774
    total_size = url_ftell(&oc->pb);
775
    
776
    buf[0] = '\0';
777
    ti1 = 1e10;
778
    vid = 0;
779
    for(i=0;i<nb_ostreams;i++) {
780
        ost = ost_table[i];
781
        os = output_files[ost->file_index];
782
        enc = &ost->st->codec;
783
        if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
784
            sprintf(buf + strlen(buf), "q=%2.1f ",
785
                    enc->coded_frame->quality);
786
        }
787
        if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
788
            frame_number = ost->frame_number;
789
            sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
790
                    frame_number, enc->coded_frame ? enc->coded_frame->quality : 0);
791
            if (enc->flags&CODEC_FLAG_PSNR)
792
                sprintf(buf + strlen(buf), "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
793
            vid = 1;
794
        }
795
        /* compute min output value */
796
        pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
797
        if ((pts < ti1) && (pts > 0))
798
            ti1 = pts;
799
    }
800
    if (ti1 < 0.01)
801
        ti1 = 0.01;
802
    bitrate = (double)(total_size * 8) / ti1 / 1000.0;
803
    
804
    sprintf(buf + strlen(buf), 
805
            "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
806
            (double)total_size / 1024, ti1, bitrate);
807
    
808
    fprintf(stderr, "%s   ", buf);
809
    
810
    if (is_last_report) {
811
        fprintf(stderr, "\n");
812
    } else {
813
        fprintf(stderr, "\r");
814
        fflush(stderr);
815
    }
816
}
817

    
818
/*
819
 * The following code is the main loop of the file converter
820
 */
821
static int av_encode(AVFormatContext **output_files,
822
                     int nb_output_files,
823
                     AVFormatContext **input_files,
824
                     int nb_input_files,
825
                     AVStreamMap *stream_maps, int nb_stream_maps)
826
{
827
    int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0, pts_set;
828
    AVFormatContext *is, *os;
829
    AVCodecContext *codec, *icodec;
830
    AVOutputStream *ost, **ost_table = NULL;
831
    AVInputStream *ist, **ist_table = NULL;
832
    AVInputFile *file_table;
833
    AVFormatContext *stream_no_data;
834
    int key;
835

    
836
    file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
837
    if (!file_table)
838
        goto fail;
839

    
840
    /* input stream init */
841
    j = 0;
842
    for(i=0;i<nb_input_files;i++) {
843
        is = input_files[i];
844
        file_table[i].ist_index = j;
845
        file_table[i].nb_streams = is->nb_streams;
846
        j += is->nb_streams;
847
    }
848
    nb_istreams = j;
849

    
850
    ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
851
    if (!ist_table)
852
        goto fail;
853
    
854
    for(i=0;i<nb_istreams;i++) {
855
        ist = av_mallocz(sizeof(AVInputStream));
856
        if (!ist)
857
            goto fail;
858
        ist_table[i] = ist;
859
    }
860
    j = 0;
861
    for(i=0;i<nb_input_files;i++) {
862
        is = input_files[i];
863
        for(k=0;k<is->nb_streams;k++) {
864
            ist = ist_table[j++];
865
            ist->st = is->streams[k];
866
            ist->file_index = i;
867
            ist->index = k;
868
            ist->discard = 1; /* the stream is discarded by default
869
                                 (changed later) */
870
        }
871
    }
872

    
873
    /* output stream init */
874
    nb_ostreams = 0;
875
    for(i=0;i<nb_output_files;i++) {
876
        os = output_files[i];
877
        nb_ostreams += os->nb_streams;
878
    }
879
    if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
880
        fprintf(stderr, "Number of stream maps must match number of output streams\n");
881
        exit(1);
882
    }
883

    
884
    ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
885
    if (!ost_table)
886
        goto fail;
887
    for(i=0;i<nb_ostreams;i++) {
888
        ost = av_mallocz(sizeof(AVOutputStream));
889
        if (!ost)
890
            goto fail;
891
        ost_table[i] = ost;
892
    }
893
    
894
    n = 0;
895
    for(k=0;k<nb_output_files;k++) {
896
        os = output_files[k];
897
        for(i=0;i<os->nb_streams;i++) {
898
            int found;
899
            ost = ost_table[n++];
900
            ost->file_index = k;
901
            ost->index = i;
902
            ost->st = os->streams[i];
903
            if (nb_stream_maps > 0) {
904
                ost->source_index = file_table[stream_maps[n-1].file_index].ist_index + 
905
                    stream_maps[n-1].stream_index;
906
            } else {
907
                /* get corresponding input stream index : we select the first one with the right type */
908
                found = 0;
909
                for(j=0;j<nb_istreams;j++) {
910
                    ist = ist_table[j];
911
                    if (ist->discard && 
912
                        ist->st->codec.codec_type == ost->st->codec.codec_type) {
913
                        ost->source_index = j;
914
                        found = 1;
915
                    }
916
                }
917
                
918
                if (!found) {
919
                    /* try again and reuse existing stream */
920
                    for(j=0;j<nb_istreams;j++) {
921
                        ist = ist_table[j];
922
                        if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
923
                            ost->source_index = j;
924
                            found = 1;
925
                        }
926
                    }
927
                    if (!found) {
928
                        fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
929
                                ost->file_index, ost->index);
930
                        exit(1);
931
                    }
932
                }
933
            }
934
            ist = ist_table[ost->source_index];
935
            ist->discard = 0;
936
        }
937
    }
938

    
939
    /* for each output stream, we compute the right encoding parameters */
940
    for(i=0;i<nb_ostreams;i++) {
941
        ost = ost_table[i];
942
        ist = ist_table[ost->source_index];
943

    
944
        codec = &ost->st->codec;
945
        icodec = &ist->st->codec;
946

    
947
        if (ost->st->stream_copy) {
948
            /* if stream_copy is selected, no need to decode or encode */
949
            codec->codec_id = icodec->codec_id;
950
            codec->codec_type = icodec->codec_type;
951
            codec->codec_tag = icodec->codec_tag;
952
            codec->bit_rate = icodec->bit_rate;
953
            switch(codec->codec_type) {
954
            case CODEC_TYPE_AUDIO:
955
                codec->sample_rate = icodec->sample_rate;
956
                codec->channels = icodec->channels;
957
                break;
958
            case CODEC_TYPE_VIDEO:
959
                codec->frame_rate = icodec->frame_rate;
960
                codec->width = icodec->width;
961
                codec->height = icodec->height;
962
                break;
963
            default:
964
                av_abort();
965
            }
966
        } else {
967
            switch(codec->codec_type) {
968
            case CODEC_TYPE_AUDIO:
969
                if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
970
                    goto fail;
971
                
972
                if (codec->channels == icodec->channels &&
973
                    codec->sample_rate == icodec->sample_rate) {
974
                    ost->audio_resample = 0;
975
                } else {
976
                    if (codec->channels != icodec->channels &&
977
                        icodec->codec_id == CODEC_ID_AC3) {
978
                        /* Special case for 5:1 AC3 input */
979
                        /* and mono or stereo output      */
980
                        /* Request specific number of channels */
981
                        icodec->channels = codec->channels;
982
                        if (codec->sample_rate == icodec->sample_rate)
983
                            ost->audio_resample = 0;
984
                        else {
985
                            ost->audio_resample = 1;
986
                            ost->resample = audio_resample_init(codec->channels, icodec->channels,
987
                                                        codec->sample_rate, 
988
                                                        icodec->sample_rate);
989
                        }
990
                        /* Request specific number of channels */
991
                        icodec->channels = codec->channels;
992
                    } else {
993
                        ost->audio_resample = 1; 
994
                        ost->resample = audio_resample_init(codec->channels, icodec->channels,
995
                                                        codec->sample_rate, 
996
                                                        icodec->sample_rate);
997
                    }
998
                }
999
                ist->decoding_needed = 1;
1000
                ost->encoding_needed = 1;
1001
                break;
1002
            case CODEC_TYPE_VIDEO:
1003
                if (codec->width == icodec->width &&
1004
                    codec->height == icodec->height &&
1005
                    frame_topBand == 0 &&
1006
                    frame_bottomBand == 0 &&
1007
                    frame_leftBand == 0 &&
1008
                    frame_rightBand == 0)
1009
                {
1010
                    ost->video_resample = 0;
1011
                    ost->video_crop = 0;
1012
                } else if ((codec->width == icodec->width -
1013
                                (frame_leftBand + frame_rightBand)) &&
1014
                        (codec->height == icodec->height -
1015
                                (frame_topBand  + frame_bottomBand)))
1016
                {
1017
                    ost->video_resample = 0;
1018
                    ost->video_crop = 1;
1019
                    ost->topBand = frame_topBand;
1020
                    ost->leftBand = frame_leftBand;
1021
                } else {
1022
                    UINT8 *buf;
1023
                    ost->video_resample = 1;
1024
                    ost->video_crop = 0; // cropping is handled as part of resample
1025
                    buf = av_malloc((codec->width * codec->height * 3) / 2);
1026
                    if (!buf)
1027
                        goto fail;
1028
                    ost->pict_tmp.data[0] = buf;
1029
                    ost->pict_tmp.data[1] = ost->pict_tmp.data[0] + (codec->width * codec->height);
1030
                    ost->pict_tmp.data[2] = ost->pict_tmp.data[1] + (codec->width * codec->height) / 4;
1031
                    ost->pict_tmp.linesize[0] = codec->width;
1032
                    ost->pict_tmp.linesize[1] = codec->width / 2;
1033
                    ost->pict_tmp.linesize[2] = codec->width / 2;
1034

    
1035
                    ost->img_resample_ctx = img_resample_full_init( 
1036
                                      ost->st->codec.width, ost->st->codec.height,
1037
                                      ist->st->codec.width, ist->st->codec.height,
1038
                                      frame_topBand, frame_bottomBand,
1039
                                      frame_leftBand, frame_rightBand);
1040
                }
1041
                ost->encoding_needed = 1;
1042
                ist->decoding_needed = 1;
1043
                break;
1044
            default:
1045
                av_abort();
1046
            }
1047
            /* two pass mode */
1048
            if (ost->encoding_needed && 
1049
                (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1050
                char logfilename[1024];
1051
                FILE *f;
1052
                int size;
1053
                char *logbuffer;
1054
                
1055
                snprintf(logfilename, sizeof(logfilename), "%s-%d.log", 
1056
                         pass_logfilename ? 
1057
                         pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1058
                if (codec->flags & CODEC_FLAG_PASS1) {
1059
                    f = fopen(logfilename, "w");
1060
                    if (!f) {
1061
                        perror(logfilename);
1062
                        exit(1);
1063
                    }
1064
                    ost->logfile = f;
1065
                } else {
1066
                    /* read the log file */
1067
                    f = fopen(logfilename, "r");
1068
                    if (!f) {
1069
                        perror(logfilename);
1070
                        exit(1);
1071
                    }
1072
                    fseek(f, 0, SEEK_END);
1073
                    size = ftell(f);
1074
                    fseek(f, 0, SEEK_SET);
1075
                    logbuffer = av_malloc(size + 1);
1076
                    if (!logbuffer) {
1077
                        fprintf(stderr, "Could not allocate log buffer\n");
1078
                        exit(1);
1079
                    }
1080
                    fread(logbuffer, 1, size, f);
1081
                    fclose(f);
1082
                    logbuffer[size] = '\0';
1083
                    codec->stats_in = logbuffer;
1084
                }
1085
            }
1086
        }
1087
    }
1088

    
1089
    /* dump the file output parameters - cannot be done before in case
1090
       of stream copy */
1091
    for(i=0;i<nb_output_files;i++) {
1092
        dump_format(output_files[i], i, output_files[i]->filename, 1);
1093
    }
1094

    
1095
    /* dump the stream mapping */
1096
    fprintf(stderr, "Stream mapping:\n");
1097
    for(i=0;i<nb_ostreams;i++) {
1098
        ost = ost_table[i];
1099
        fprintf(stderr, "  Stream #%d.%d -> #%d.%d\n",
1100
                ist_table[ost->source_index]->file_index,
1101
                ist_table[ost->source_index]->index,
1102
                ost->file_index, 
1103
                ost->index);
1104
    }
1105

    
1106
    /* open each encoder */
1107
    for(i=0;i<nb_ostreams;i++) {
1108
        ost = ost_table[i];
1109
        if (ost->encoding_needed) {
1110
            AVCodec *codec;
1111
            codec = avcodec_find_encoder(ost->st->codec.codec_id);
1112
            if (!codec) {
1113
                fprintf(stderr, "Unsupported codec for output stream #%d.%d\n", 
1114
                        ost->file_index, ost->index);
1115
                exit(1);
1116
            }
1117
            if (avcodec_open(&ost->st->codec, codec) < 0) {
1118
                fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n", 
1119
                        ost->file_index, ost->index);
1120
                exit(1);
1121
            }
1122
        }
1123
    }
1124

    
1125
    /* open each decoder */
1126
    for(i=0;i<nb_istreams;i++) {
1127
        ist = ist_table[i];
1128
        if (ist->decoding_needed) {
1129
            AVCodec *codec;
1130
            codec = avcodec_find_decoder(ist->st->codec.codec_id);
1131
            if (!codec) {
1132
                fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n", 
1133
                        ist->st->codec.codec_id, ist->file_index, ist->index);
1134
                exit(1);
1135
            }
1136
            if (avcodec_open(&ist->st->codec, codec) < 0) {
1137
                fprintf(stderr, "Error while opening codec for input stream #%d.%d\n", 
1138
                        ist->file_index, ist->index);
1139
                exit(1);
1140
            }
1141
            //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1142
            //    ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1143
            ist->frame_decoded = 1;
1144
        }
1145
    }
1146

    
1147
    /* init pts */
1148
    for(i=0;i<nb_istreams;i++) {
1149
        ist = ist_table[i];
1150
    }
1151
    
1152
    /* compute buffer size max (should use a complete heuristic) */
1153
    for(i=0;i<nb_input_files;i++) {
1154
        file_table[i].buffer_size_max = 2048;
1155
    }
1156

    
1157
    /* open files and write file headers */
1158
    for(i=0;i<nb_output_files;i++) {
1159
        os = output_files[i];
1160
        if (av_write_header(os) < 0) {
1161
            fprintf(stderr, "Could not write header for output file #%d (incorrect codec paramters ?)\n", i);
1162
            ret = -EINVAL;
1163
            goto fail;
1164
        }
1165
    }
1166

    
1167
#ifndef CONFIG_WIN32
1168
    if (!do_play) {
1169
        fprintf(stderr, "Press [q] to stop encoding\n");
1170
    } else {
1171
        fprintf(stderr, "Press [q] to stop playing\n");
1172
    }
1173
#endif
1174
    term_init();
1175

    
1176
    stream_no_data = 0;
1177
    key = -1;
1178

    
1179
    for(;;) {
1180
        int file_index, ist_index;
1181
        AVPacket pkt;
1182
        UINT8 *ptr;
1183
        int len;
1184
        UINT8 *data_buf;
1185
        int data_size, got_picture;
1186
        AVPicture picture;
1187
        short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
1188
        void *buffer_to_free;
1189
        double pts_min;
1190
        
1191
    redo:
1192
        /* if 'q' pressed, exits */
1193
        if (key) {
1194
            /* read_key() returns 0 on EOF */
1195
            key = read_key();
1196
            if (key == 'q')
1197
                break;
1198
        }
1199

    
1200
        /* select the stream that we must read now by looking at the
1201
           smallest output pts */
1202
        file_index = -1;
1203
        pts_min = 1e10;
1204
        for(i=0;i<nb_ostreams;i++) {
1205
            double pts;
1206
            ost = ost_table[i];
1207
            os = output_files[ost->file_index];
1208
            ist = ist_table[ost->source_index];
1209
            pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
1210
            if (!file_table[ist->file_index].eof_reached && 
1211
                pts < pts_min) {
1212
                pts_min = pts;
1213
                file_index = ist->file_index;
1214
            }
1215
        }
1216
        /* if none, if is finished */
1217
        if (file_index < 0) {
1218
            break;
1219
        }
1220

    
1221
        /* finish if recording time exhausted */
1222
        if (recording_time > 0 && pts_min >= (recording_time / 1000000.0))
1223
            break;
1224

    
1225
        /* read a packet from it and output it in the fifo */
1226
        is = input_files[file_index];
1227
        if (av_read_packet(is, &pkt) < 0) {
1228
            file_table[file_index].eof_reached = 1;
1229
            continue;
1230
        }
1231
        if (!pkt.size) {
1232
            stream_no_data = is;
1233
        } else {
1234
            stream_no_data = 0;
1235
        }
1236
        if (do_hex_dump) {
1237
            printf("stream #%d, size=%d:\n", pkt.stream_index, pkt.size);
1238
            av_hex_dump(pkt.data, pkt.size);
1239
        }
1240
        /* the following test is needed in case new streams appear
1241
           dynamically in stream : we ignore them */
1242
        if (pkt.stream_index >= file_table[file_index].nb_streams)
1243
            goto discard_packet;
1244
        ist_index = file_table[file_index].ist_index + pkt.stream_index;
1245
        ist = ist_table[ist_index];
1246
        if (ist->discard)
1247
            goto discard_packet;
1248

    
1249
        // printf("read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1250

    
1251
        len = pkt.size;
1252
        ptr = pkt.data;
1253
        pts_set = 0;
1254
        while (len > 0) {
1255
            INT64 ipts;
1256

    
1257
            ipts = AV_NOPTS_VALUE;
1258

    
1259
            /* decode the packet if needed */
1260
            data_buf = NULL; /* fail safe */
1261
            data_size = 0;
1262
            if (ist->decoding_needed) {
1263
                /* NOTE1: we only take into account the PTS if a new
1264
                   frame has begun (MPEG semantics) */
1265
                /* NOTE2: even if the fraction is not initialized,
1266
                   av_frac_set can be used to set the integer part */
1267
                if (ist->frame_decoded && 
1268
                    pkt.pts != AV_NOPTS_VALUE && 
1269
                    !pts_set) {
1270
                    ipts = pkt.pts;
1271
                    ist->frame_decoded = 0;
1272
                    pts_set = 1;
1273
                }
1274

    
1275
                switch(ist->st->codec.codec_type) {
1276
                case CODEC_TYPE_AUDIO:
1277
                    /* XXX: could avoid copy if PCM 16 bits with same
1278
                       endianness as CPU */
1279
                    ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1280
                                               ptr, len);
1281
                    if (ret < 0)
1282
                        goto fail_decode;
1283
                    /* Some bug in mpeg audio decoder gives */
1284
                    /* data_size < 0, it seems they are overflows */
1285
                    if (data_size <= 0) {
1286
                        /* no audio frame */
1287
                        ptr += ret;
1288
                        len -= ret;
1289
                        continue;
1290
                    }
1291
                    data_buf = (UINT8 *)samples;
1292
                    break;
1293
                case CODEC_TYPE_VIDEO:
1294
                    if (ist->st->codec.codec_id == CODEC_ID_RAWVIDEO) {
1295
                        int size;
1296

    
1297
                        size = (ist->st->codec.width * ist->st->codec.height);
1298
                        avpicture_fill(&picture, ptr, 
1299
                                     ist->st->codec.pix_fmt,
1300
                                     ist->st->codec.width,
1301
                                     ist->st->codec.height);
1302
                        ret = len;
1303
                    } else {
1304
                        AVFrame big_picture;
1305

    
1306
                        data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1307
                        ret = avcodec_decode_video(&ist->st->codec, 
1308
                                                   &big_picture, &got_picture, ptr, len);
1309
                        picture= *(AVPicture*)&big_picture;
1310
                        ist->st->quality= big_picture.quality;
1311
                        if (ret < 0) {
1312
                        fail_decode:
1313
                            fprintf(stderr, "Error while decoding stream #%d.%d\n",
1314
                                    ist->file_index, ist->index);
1315
                            av_free_packet(&pkt);
1316
                            goto redo;
1317
                        }
1318
                        if (!got_picture) {
1319
                            /* no picture yet */
1320
                            ptr += ret;
1321
                            len -= ret;
1322
                            continue;
1323
                        }
1324
                                  
1325
                    }
1326
                    break;
1327
                default:
1328
                    goto fail_decode;
1329
                }
1330
            } else {
1331
                data_buf = ptr;
1332
                data_size = len;
1333
                ret = len;
1334
            }
1335
            ptr += ret;
1336
            len -= ret;
1337

    
1338
            buffer_to_free = 0;
1339
            if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1340
                pre_process_video_frame(ist, &picture, &buffer_to_free);
1341
            }
1342

    
1343
            ist->frame_decoded = 1;
1344

    
1345
#if 0
1346
            /* mpeg PTS deordering : if it is a P or I frame, the PTS
1347
               is the one of the next displayed one */
1348
            /* XXX: add mpeg4 too ? */
1349
            if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
1350
                if (ist->st->codec.pict_type != B_TYPE) {
1351
                    INT64 tmp;
1352
                    tmp = ist->last_ip_pts;
1353
                    ist->last_ip_pts  = ist->frac_pts.val;
1354
                    ist->frac_pts.val = tmp;
1355
                }
1356
            }
1357
#endif
1358
            /* transcode raw format, encode packets and output them */
1359

    
1360
            for(i=0;i<nb_ostreams;i++) {
1361
                int frame_size;
1362

    
1363
                ost = ost_table[i];
1364
                if (ost->source_index == ist_index) {
1365
                    os = output_files[ost->file_index];
1366

    
1367
                    if (ipts != AV_NOPTS_VALUE) {
1368
#if 0
1369
                        printf("%d: got pts=%f %f\n", 
1370
                               i, pkt.pts / 90000.0, 
1371
                               (ipts - ost->st->pts.val) / 90000.0);
1372
#endif
1373
                        /* set the input output pts pairs */
1374
                        ost->sync_ipts = (double)ipts * is->pts_num / 
1375
                            is->pts_den;
1376
                        /* XXX: take into account the various fifos,
1377
                           in particular for audio */
1378
                        ost->sync_opts = ost->st->pts.val;
1379
                        //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); 
1380
                    } else {
1381
                        //printf("pts.val=%lld\n", ost->st->pts.val); 
1382
                        ost->sync_ipts = AV_NOPTS_VALUE;
1383
                    }
1384

    
1385
                    if (ost->encoding_needed) {
1386
                        switch(ost->st->codec.codec_type) {
1387
                        case CODEC_TYPE_AUDIO:
1388
                            do_audio_out(os, ost, ist, data_buf, data_size);
1389
                            break;
1390
                        case CODEC_TYPE_VIDEO:
1391
                            /* find an audio stream for synchro */
1392
                            {
1393
                                int i;
1394
                                AVOutputStream *audio_sync, *ost1;
1395
                                audio_sync = NULL;
1396
                                for(i=0;i<nb_ostreams;i++) {
1397
                                    ost1 = ost_table[i];
1398
                                    if (ost1->file_index == ost->file_index &&
1399
                                        ost1->st->codec.codec_type == CODEC_TYPE_AUDIO) {
1400
                                        audio_sync = ost1;
1401
                                        break;
1402
                                    }
1403
                                }
1404

    
1405
                                do_video_out(os, ost, ist, &picture, &frame_size, audio_sync);
1406
                                if (do_vstats && frame_size)
1407
                                    do_video_stats(os, ost, frame_size);
1408
                            }
1409
                            break;
1410
                        default:
1411
                            av_abort();
1412
                        }
1413
                    } else {
1414
                        AVFrame avframe;
1415
                                                
1416
                        /* no reencoding needed : output the packet directly */
1417
                        /* force the input stream PTS */
1418
                        
1419
                        //XXX/FIXME set keyframe flag from demuxer (or optionally from decoder)
1420
                        memset(&avframe, 0, sizeof(AVFrame));
1421
                        ost->st->codec.coded_frame= &avframe;
1422
                        
1423
                        av_write_frame(os, ost->index, data_buf, data_size);
1424
                        ost->st->codec.frame_number++;
1425
                        ost->frame_number++;
1426
                    }
1427
                }
1428
            }
1429
            av_free(buffer_to_free);
1430
            ipts = AV_NOPTS_VALUE;
1431
        }
1432
    discard_packet:
1433
        av_free_packet(&pkt);
1434
        
1435
        /* dump report by using the output first video and audio streams */
1436
        print_report(output_files, ost_table, nb_ostreams, 0);
1437
    }
1438
    term_exit();
1439

    
1440
    /* dump report by using the first video and audio streams */
1441
    print_report(output_files, ost_table, nb_ostreams, 1);
1442

    
1443
    /* close each encoder */
1444
    for(i=0;i<nb_ostreams;i++) {
1445
        ost = ost_table[i];
1446
        if (ost->encoding_needed) {
1447
            av_freep(&ost->st->codec.stats_in);
1448
            avcodec_close(&ost->st->codec);
1449
        }
1450
    }
1451
    
1452
    /* close each decoder */
1453
    for(i=0;i<nb_istreams;i++) {
1454
        ist = ist_table[i];
1455
        if (ist->decoding_needed) {
1456
            avcodec_close(&ist->st->codec);
1457
        }
1458
    }
1459
    
1460

    
1461
    /* write the trailer if needed and close file */
1462
    for(i=0;i<nb_output_files;i++) {
1463
        os = output_files[i];
1464
        av_write_trailer(os);
1465
    }
1466
    /* finished ! */
1467
    
1468
    ret = 0;
1469
 fail1:
1470
    av_free(file_table);
1471

    
1472
    if (ist_table) {
1473
        for(i=0;i<nb_istreams;i++) {
1474
            ist = ist_table[i];
1475
            av_free(ist);
1476
        }
1477
        av_free(ist_table);
1478
    }
1479
    if (ost_table) {
1480
        for(i=0;i<nb_ostreams;i++) {
1481
            ost = ost_table[i];
1482
            if (ost) {
1483
                if (ost->logfile) {
1484
                    fclose(ost->logfile);
1485
                    ost->logfile = NULL;
1486
                }
1487
                fifo_free(&ost->fifo); /* works even if fifo is not
1488
                                          initialized but set to zero */
1489
                av_free(ost->pict_tmp.data[0]);
1490
                if (ost->video_resample)
1491
                    img_resample_close(ost->img_resample_ctx);
1492
                if (ost->audio_resample)
1493
                    audio_resample_close(ost->resample);
1494
                av_free(ost);
1495
            }
1496
        }
1497
        av_free(ost_table);
1498
    }
1499
    return ret;
1500
 fail:
1501
    ret = -ENOMEM;
1502
    goto fail1;
1503
}
1504

    
1505
#if 0
1506
int file_read(const char *filename)
1507
{
1508
    URLContext *h;
1509
    unsigned char buffer[1024];
1510
    int len, i;
1511

1512
    if (url_open(&h, filename, O_RDONLY) < 0) {
1513
        printf("could not open '%s'\n", filename);
1514
        return -1;
1515
    }
1516
    for(;;) {
1517
        len = url_read(h, buffer, sizeof(buffer));
1518
        if (len <= 0)
1519
            break;
1520
        for(i=0;i<len;i++) putchar(buffer[i]);
1521
    }
1522
    url_close(h);
1523
    return 0;
1524
}
1525
#endif
1526

    
1527
void show_licence(void)
1528
{
1529
    printf(
1530
    "ffmpeg version " FFMPEG_VERSION "\n"
1531
    "Copyright (c) 2000, 2001, 2002 Fabrice Bellard\n"
1532
    "This library is free software; you can redistribute it and/or\n"
1533
    "modify it under the terms of the GNU Lesser General Public\n"
1534
    "License as published by the Free Software Foundation; either\n"
1535
    "version 2 of the License, or (at your option) any later version.\n"
1536
    "\n"
1537
    "This library is distributed in the hope that it will be useful,\n"
1538
    "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
1539
    "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\n"
1540
    "Lesser General Public License for more details.\n"
1541
    "\n"
1542
    "You should have received a copy of the GNU Lesser General Public\n"
1543
    "License along with this library; if not, write to the Free Software\n"
1544
    "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA\n"
1545
    );
1546
    exit(1);
1547
}
1548

    
1549
void opt_image_format(const char *arg)
1550
{
1551
    AVImageFormat *f;
1552
    
1553
    for(f = first_image_format; f != NULL; f = f->next) {
1554
        if (!strcmp(arg, f->name))
1555
            break;
1556
    }
1557
    if (!f) {
1558
        fprintf(stderr, "Unknown image format: '%s'\n", arg);
1559
        exit(1);
1560
    }
1561
    image_format = f;
1562
}
1563

    
1564
void opt_format(const char *arg)
1565
{
1566
    /* compatibility stuff for pgmyuv */
1567
    if (!strcmp(arg, "pgmyuv")) {
1568
        opt_image_format(arg);
1569
        arg = "image";
1570
    }
1571

    
1572
    file_iformat = av_find_input_format(arg);
1573
    file_oformat = guess_format(arg, NULL, NULL);
1574
    if (!file_iformat && !file_oformat) {
1575
        fprintf(stderr, "Unknown input or output format: %s\n", arg);
1576
        exit(1);
1577
    }
1578
}
1579

    
1580
void opt_video_bitrate(const char *arg)
1581
{
1582
    video_bit_rate = atoi(arg) * 1000;
1583
}
1584

    
1585
void opt_video_bitrate_tolerance(const char *arg)
1586
{
1587
    video_bit_rate_tolerance = atoi(arg) * 1000;
1588
}
1589

    
1590
void opt_video_bitrate_max(const char *arg)
1591
{
1592
    video_rc_max_rate = atoi(arg) * 1000;
1593
}
1594

    
1595
void opt_video_bitrate_min(const char *arg)
1596
{
1597
    video_rc_min_rate = atoi(arg) * 1000;
1598
}
1599

    
1600
void opt_video_buffer_size(const char *arg)
1601
{
1602
    video_rc_buffer_size = atoi(arg) * 1000;
1603
}
1604

    
1605
void opt_video_rc_eq(char *arg)
1606
{
1607
    video_rc_eq = arg;
1608
}
1609

    
1610
void opt_video_rc_override_string(char *arg)
1611
{
1612
    video_rc_override_string = arg;
1613
}
1614

    
1615

    
1616
void opt_workaround_bugs(const char *arg)
1617
{
1618
    workaround_bugs = atoi(arg);
1619
}
1620

    
1621
void opt_dct_algo(const char *arg)
1622
{
1623
    dct_algo = atoi(arg);
1624
}
1625

    
1626
void opt_idct_algo(const char *arg)
1627
{
1628
    idct_algo = atoi(arg);
1629
}
1630

    
1631

    
1632
void opt_error_resilience(const char *arg)
1633
{
1634
    error_resilience = atoi(arg);
1635
}
1636

    
1637
void opt_error_concealment(const char *arg)
1638
{
1639
    error_concealment = atoi(arg);
1640
}
1641

    
1642
void opt_debug(const char *arg)
1643
{
1644
    debug = atoi(arg);
1645
}
1646

    
1647
void opt_frame_rate(const char *arg)
1648
{
1649
    frame_rate = (int)(strtod(arg, 0) * FRAME_RATE_BASE);
1650
}
1651

    
1652

    
1653
void opt_frame_crop_top(const char *arg)
1654
{
1655
    frame_topBand = atoi(arg); 
1656
    if (frame_topBand < 0) {
1657
        fprintf(stderr, "Incorrect top crop size\n");
1658
        exit(1);
1659
    }
1660
    if ((frame_topBand % 2) != 0) {
1661
        fprintf(stderr, "Top crop size must be a multiple of 2\n");
1662
        exit(1);
1663
    }
1664
    if ((frame_topBand) >= frame_height){
1665
            fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1666
        exit(1);
1667
    }
1668
    frame_height -= frame_topBand;
1669
}
1670

    
1671
void opt_frame_crop_bottom(const char *arg)
1672
{
1673
    frame_bottomBand = atoi(arg);
1674
    if (frame_bottomBand < 0) {
1675
        fprintf(stderr, "Incorrect bottom crop size\n");
1676
        exit(1);
1677
    }
1678
    if ((frame_bottomBand % 2) != 0) {
1679
        fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
1680
        exit(1);        
1681
    }
1682
    if ((frame_bottomBand) >= frame_height){
1683
            fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1684
        exit(1);
1685
    }
1686
    frame_height -= frame_bottomBand;
1687
}
1688

    
1689
void opt_frame_crop_left(const char *arg)
1690
{
1691
    frame_leftBand = atoi(arg);
1692
    if (frame_leftBand < 0) {
1693
        fprintf(stderr, "Incorrect left crop size\n");
1694
        exit(1);
1695
    }
1696
    if ((frame_leftBand % 2) != 0) {
1697
        fprintf(stderr, "Left crop size must be a multiple of 2\n");
1698
        exit(1);
1699
    }
1700
    if ((frame_leftBand) >= frame_width){
1701
            fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1702
        exit(1);
1703
    }
1704
    frame_width -= frame_leftBand;
1705
}
1706

    
1707
void opt_frame_crop_right(const char *arg)
1708
{
1709
    frame_rightBand = atoi(arg);
1710
    if (frame_rightBand < 0) {
1711
        fprintf(stderr, "Incorrect right crop size\n");
1712
        exit(1);
1713
    }
1714
    if ((frame_rightBand % 2) != 0) {
1715
        fprintf(stderr, "Right crop size must be a multiple of 2\n");
1716
        exit(1);        
1717
    }
1718
    if ((frame_rightBand) >= frame_width){
1719
            fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1720
        exit(1);
1721
    }
1722
    frame_width -= frame_rightBand;
1723
}
1724

    
1725
void opt_frame_size(const char *arg)
1726
{
1727
    parse_image_size(&frame_width, &frame_height, arg);
1728
    if (frame_width <= 0 || frame_height <= 0) {
1729
        fprintf(stderr, "Incorrect frame size\n");
1730
        exit(1);
1731
    }
1732
    if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
1733
        fprintf(stderr, "Frame size must be a multiple of 2\n");
1734
        exit(1);
1735
    }
1736
}
1737

    
1738
void opt_gop_size(const char *arg)
1739
{
1740
    gop_size = atoi(arg);
1741
}
1742

    
1743
void opt_b_frames(const char *arg)
1744
{
1745
    b_frames = atoi(arg);
1746
    if (b_frames > FF_MAX_B_FRAMES) {
1747
        fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
1748
        exit(1);
1749
    } else if (b_frames < 1) {
1750
        fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
1751
        exit(1);
1752
    }
1753
}
1754

    
1755
void opt_qscale(const char *arg)
1756
{
1757
    video_qscale = atoi(arg);
1758
    if (video_qscale < 0 ||
1759
        video_qscale > 31) {
1760
        fprintf(stderr, "qscale must be >= 1 and <= 31\n");
1761
        exit(1);
1762
    }
1763
}
1764

    
1765
void opt_qmin(const char *arg)
1766
{
1767
    video_qmin = atoi(arg);
1768
    if (video_qmin < 0 ||
1769
        video_qmin > 31) {
1770
        fprintf(stderr, "qmin must be >= 1 and <= 31\n");
1771
        exit(1);
1772
    }
1773
}
1774

    
1775
void opt_qmax(const char *arg)
1776
{
1777
    video_qmax = atoi(arg);
1778
    if (video_qmax < 0 ||
1779
        video_qmax > 31) {
1780
        fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1781
        exit(1);
1782
    }
1783
}
1784

    
1785
void opt_mb_qmin(const char *arg)
1786
{
1787
    video_mb_qmin = atoi(arg);
1788
    if (video_mb_qmin < 0 ||
1789
        video_mb_qmin > 31) {
1790
        fprintf(stderr, "qmin must be >= 1 and <= 31\n");
1791
        exit(1);
1792
    }
1793
}
1794

    
1795
void opt_mb_qmax(const char *arg)
1796
{
1797
    video_mb_qmax = atoi(arg);
1798
    if (video_mb_qmax < 0 ||
1799
        video_mb_qmax > 31) {
1800
        fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1801
        exit(1);
1802
    }
1803
}
1804

    
1805
void opt_qdiff(const char *arg)
1806
{
1807
    video_qdiff = atoi(arg);
1808
    if (video_qdiff < 0 ||
1809
        video_qdiff > 31) {
1810
        fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
1811
        exit(1);
1812
    }
1813
}
1814

    
1815
void opt_qblur(const char *arg)
1816
{
1817
    video_qblur = atof(arg);
1818
}
1819

    
1820
void opt_qcomp(const char *arg)
1821
{
1822
    video_qcomp = atof(arg);
1823
}
1824

    
1825
void opt_rc_initial_cplx(const char *arg)
1826
{
1827
    video_rc_initial_cplx = atof(arg);
1828
}
1829
void opt_b_qfactor(const char *arg)
1830
{
1831
    video_b_qfactor = atof(arg);
1832
}
1833
void opt_i_qfactor(const char *arg)
1834
{
1835
    video_i_qfactor = atof(arg);
1836
}
1837
void opt_b_qoffset(const char *arg)
1838
{
1839
    video_b_qoffset = atof(arg);
1840
}
1841
void opt_i_qoffset(const char *arg)
1842
{
1843
    video_i_qoffset = atof(arg);
1844
}
1845

    
1846
void opt_packet_size(const char *arg)
1847
{
1848
    packet_size= atoi(arg);
1849
}
1850

    
1851
void opt_strict(const char *arg)
1852
{
1853
    strict= atoi(arg);
1854
}
1855

    
1856
void opt_audio_bitrate(const char *arg)
1857
{
1858
    audio_bit_rate = atoi(arg) * 1000;
1859
}
1860

    
1861
void opt_audio_rate(const char *arg)
1862
{
1863
    audio_sample_rate = atoi(arg);
1864
}
1865

    
1866
void opt_audio_channels(const char *arg)
1867
{
1868
    audio_channels = atoi(arg);
1869
}
1870

    
1871
void opt_video_device(const char *arg)
1872
{
1873
    video_device = av_strdup(arg);
1874
}
1875

    
1876
void opt_video_channel(const char *arg)
1877
{
1878
    video_channel = strtol(arg, NULL, 0);
1879
}
1880

    
1881
void opt_audio_device(const char *arg)
1882
{
1883
    audio_device = av_strdup(arg);
1884
}
1885

    
1886
void opt_dv1394(const char *arg)
1887
{
1888
    video_grab_format = "dv1394";
1889
    audio_grab_format = "none";
1890
}
1891

    
1892
void opt_audio_codec(const char *arg)
1893
{
1894
    AVCodec *p;
1895

    
1896
    if (!strcmp(arg, "copy")) {
1897
        audio_stream_copy = 1;
1898
    } else {
1899
        p = first_avcodec;
1900
        while (p) {
1901
            if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
1902
                break;
1903
            p = p->next;
1904
        }
1905
        if (p == NULL) {
1906
            fprintf(stderr, "Unknown audio codec '%s'\n", arg);
1907
            exit(1);
1908
        } else {
1909
            audio_codec_id = p->id;
1910
        }
1911
    }
1912
}
1913

    
1914
void add_frame_hooker(const char *arg)
1915
{
1916
    int argc = 0;
1917
    char *argv[64];
1918
    int i;
1919
    char *args = av_strdup(arg);
1920

    
1921
    argv[0] = strtok(args, " ");
1922
    while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
1923
    }
1924

    
1925
    i = frame_hook_add(argc, argv);
1926

    
1927
    if (i != 0) {
1928
        fprintf(stderr, "Failed to add video hook function: %s\n", arg);
1929
        exit(1);
1930
    }
1931
}
1932

    
1933
const char *motion_str[] = {
1934
    "zero",
1935
    "full",
1936
    "log",
1937
    "phods",
1938
    "epzs",
1939
    "x1",
1940
    NULL,
1941
};
1942

    
1943
void opt_motion_estimation(const char *arg)
1944
{
1945
    const char **p;
1946
    p = motion_str;
1947
    for(;;) {
1948
        if (!*p) {
1949
            fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
1950
            exit(1);
1951
        }
1952
        if (!strcmp(*p, arg))
1953
            break;
1954
        p++;
1955
    }
1956
    me_method = (p - motion_str) + 1;
1957
}
1958

    
1959
void opt_video_codec(const char *arg)
1960
{
1961
    AVCodec *p;
1962

    
1963
    if (!strcmp(arg, "copy")) {
1964
        video_stream_copy = 1;
1965
    } else {
1966
        p = first_avcodec;
1967
        while (p) {
1968
            if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
1969
                break;
1970
            p = p->next;
1971
        }
1972
        if (p == NULL) {
1973
            fprintf(stderr, "Unknown video codec '%s'\n", arg);
1974
            exit(1);
1975
        } else {
1976
            video_codec_id = p->id;
1977
        }
1978
    }
1979
}
1980

    
1981
void opt_map(const char *arg)
1982
{
1983
    AVStreamMap *m;
1984
    const char *p;
1985

    
1986
    p = arg;
1987
    m = &stream_maps[nb_stream_maps++];
1988

    
1989
    m->file_index = strtol(arg, (char **)&p, 0);
1990
    if (*p)
1991
        p++;
1992

    
1993
    m->stream_index = strtol(p, (char **)&p, 0);
1994
}
1995

    
1996
void opt_recording_time(const char *arg)
1997
{
1998
    recording_time = parse_date(arg, 1);
1999
}
2000

    
2001
void print_error(const char *filename, int err)
2002
{
2003
    switch(err) {
2004
    case AVERROR_NUMEXPECTED:
2005
        fprintf(stderr, "%s: Incorrect image filename syntax.\n"
2006
                "Use '%%d' to specify the image number:\n"
2007
                "  for img1.jpg, img2.jpg, ..., use 'img%%d.jpg';\n"
2008
                "  for img001.jpg, img002.jpg, ..., use 'img%%03d.jpg'.\n", 
2009
                filename);
2010
        break;
2011
    case AVERROR_INVALIDDATA:
2012
        fprintf(stderr, "%s: Error while parsing header\n", filename);
2013
        break;
2014
    case AVERROR_NOFMT:
2015
        fprintf(stderr, "%s: Unknown format\n", filename);
2016
        break;
2017
    default:
2018
        fprintf(stderr, "%s: Error while opening file\n", filename);
2019
        break;
2020
    }
2021
}
2022

    
2023
void opt_input_file(const char *filename)
2024
{
2025
    AVFormatContext *ic;
2026
    AVFormatParameters params, *ap = &params;
2027
    int err, i, ret, rfps;
2028

    
2029
    if (!strcmp(filename, "-"))
2030
        filename = "pipe:";
2031

    
2032
    /* get default parameters from command line */
2033
    memset(ap, 0, sizeof(*ap));
2034
    ap->sample_rate = audio_sample_rate;
2035
    ap->channels = audio_channels;
2036
    ap->frame_rate = frame_rate;
2037
    ap->width = frame_width;
2038
    ap->height = frame_height;
2039
    ap->image_format = image_format;
2040

    
2041
    /* open the input file with generic libav function */
2042
    err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2043
    if (err < 0) {
2044
        print_error(filename, err);
2045
        exit(1);
2046
    }
2047
    
2048
    /* If not enough info to get the stream parameters, we decode the
2049
       first frames to get it. (used in mpeg case for example) */
2050
    ret = av_find_stream_info(ic);
2051
    if (ret < 0) {
2052
        fprintf(stderr, "%s: could not find codec parameters\n", filename);
2053
        exit(1);
2054
    }
2055

    
2056
    /* update the current parameters so that they match the one of the input stream */
2057
    for(i=0;i<ic->nb_streams;i++) {
2058
        AVCodecContext *enc = &ic->streams[i]->codec;
2059
        switch(enc->codec_type) {
2060
        case CODEC_TYPE_AUDIO:
2061
            //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2062
            audio_channels = enc->channels;
2063
            audio_sample_rate = enc->sample_rate;
2064
            break;
2065
        case CODEC_TYPE_VIDEO:
2066
            frame_height = enc->height;
2067
            frame_width = enc->width;
2068
            rfps = ic->streams[i]->r_frame_rate;
2069
            enc->workaround_bugs = workaround_bugs;
2070
            enc->error_resilience = error_resilience; 
2071
            enc->error_concealment = error_concealment; 
2072
            enc->idct_algo= idct_algo;
2073
            enc->debug= debug;
2074
/*            if(enc->codec->capabilities & CODEC_CAP_TRUNCATED)
2075
                enc->flags|= CODEC_FLAG_TRUNCATED; */
2076
            if(/*enc->codec_id==CODEC_ID_MPEG4 || */enc->codec_id==CODEC_ID_MPEG1VIDEO)
2077
                enc->flags|= CODEC_FLAG_TRUNCATED;
2078

    
2079
            if (enc->frame_rate != rfps) {
2080
                fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
2081
                    i, (float)enc->frame_rate / FRAME_RATE_BASE,
2082
                    (float)rfps / FRAME_RATE_BASE);
2083
            }
2084
            /* update the current frame rate to match the stream frame rate */
2085
            frame_rate = rfps;
2086
            break;
2087
        default:
2088
            av_abort();
2089
        }
2090
    }
2091
    
2092
    input_files[nb_input_files] = ic;
2093
    /* dump the file content */
2094
    dump_format(ic, nb_input_files, filename, 0);
2095
    nb_input_files++;
2096
    file_iformat = NULL;
2097
    file_oformat = NULL;
2098
    image_format = NULL;
2099
}
2100

    
2101
void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2102
{
2103
    int has_video, has_audio, i, j;
2104
    AVFormatContext *ic;
2105

    
2106
    has_video = 0;
2107
    has_audio = 0;
2108
    for(j=0;j<nb_input_files;j++) {
2109
        ic = input_files[j];
2110
        for(i=0;i<ic->nb_streams;i++) {
2111
            AVCodecContext *enc = &ic->streams[i]->codec;
2112
            switch(enc->codec_type) {
2113
            case CODEC_TYPE_AUDIO:
2114
                has_audio = 1;
2115
                break;
2116
            case CODEC_TYPE_VIDEO:
2117
                has_video = 1;
2118
                break;
2119
            default:
2120
                av_abort();
2121
            }
2122
        }
2123
    }
2124
    *has_video_ptr = has_video;
2125
    *has_audio_ptr = has_audio;
2126
}
2127

    
2128
void opt_output_file(const char *filename)
2129
{
2130
    AVStream *st;
2131
    AVFormatContext *oc;
2132
    int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
2133
    int codec_id;
2134
    AVFormatParameters params, *ap = &params;
2135

    
2136
    if (!strcmp(filename, "-"))
2137
        filename = "pipe:";
2138

    
2139
    oc = av_mallocz(sizeof(AVFormatContext));
2140

    
2141
    if (!file_oformat) {
2142
        file_oformat = guess_format(NULL, filename, NULL);
2143
        if (!file_oformat) {
2144
            fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2145
                    filename);
2146
            exit(1);
2147
        }
2148
    }
2149
    
2150
    oc->oformat = file_oformat;
2151

    
2152
    if (!strcmp(file_oformat->name, "ffm") && 
2153
        strstart(filename, "http:", NULL)) {
2154
        /* special case for files sent to ffserver: we get the stream
2155
           parameters from ffserver */
2156
        if (read_ffserver_streams(oc, filename) < 0) {
2157
            fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2158
            exit(1);
2159
        }
2160
    } else {
2161
        use_video = file_oformat->video_codec != CODEC_ID_NONE;
2162
        use_audio = file_oformat->audio_codec != CODEC_ID_NONE;
2163

    
2164
        /* disable if no corresponding type found and at least one
2165
           input file */
2166
        if (nb_input_files > 0) {
2167
            check_audio_video_inputs(&input_has_video, &input_has_audio);
2168
            if (!input_has_video)
2169
                use_video = 0;
2170
            if (!input_has_audio)
2171
                use_audio = 0;
2172
        }
2173

    
2174
        /* manual disable */
2175
        if (audio_disable) {
2176
            use_audio = 0;
2177
        }
2178
        if (video_disable) {
2179
            use_video = 0;
2180
        }
2181
        
2182
        nb_streams = 0;
2183
        if (use_video) {
2184
            AVCodecContext *video_enc;
2185
            
2186
            st = av_mallocz(sizeof(AVStream));
2187
            if (!st) {
2188
                fprintf(stderr, "Could not alloc stream\n");
2189
                exit(1);
2190
            }
2191
            avcodec_get_context_defaults(&st->codec);
2192

    
2193
            video_enc = &st->codec;
2194
            if (video_stream_copy) {
2195
                st->stream_copy = 1;
2196
                video_enc->codec_type = CODEC_TYPE_VIDEO;
2197
            } else {
2198
                char *p;
2199
                int i;
2200
            
2201
                codec_id = file_oformat->video_codec;
2202
                if (video_codec_id != CODEC_ID_NONE)
2203
                    codec_id = video_codec_id;
2204
                
2205
                video_enc->codec_id = codec_id;
2206
                
2207
                video_enc->bit_rate = video_bit_rate;
2208
                video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
2209
                video_enc->frame_rate = frame_rate; 
2210
                
2211
                video_enc->width = frame_width;
2212
                video_enc->height = frame_height;
2213

    
2214
                if (!intra_only)
2215
                    video_enc->gop_size = gop_size;
2216
                else
2217
                    video_enc->gop_size = 0;
2218
                if (video_qscale || same_quality) {
2219
                    video_enc->flags |= CODEC_FLAG_QSCALE;
2220
                    st->quality = video_qscale;
2221
                }
2222
            
2223
                if (use_hq) {
2224
                    video_enc->flags |= CODEC_FLAG_HQ;
2225
                }
2226
            
2227
                if (use_4mv) {
2228
                    video_enc->flags |= CODEC_FLAG_HQ;
2229
                    video_enc->flags |= CODEC_FLAG_4MV;
2230
                }
2231
            
2232
                if(use_part)
2233
                    video_enc->flags |= CODEC_FLAG_PART;
2234
               
2235
            
2236
                if (b_frames) {
2237
                    if (codec_id != CODEC_ID_MPEG4) {
2238
                        fprintf(stderr, "\nB frames encoding only supported by MPEG-4.\n");
2239
                        exit(1);
2240
                    }
2241
                    video_enc->max_b_frames = b_frames;
2242
                    video_enc->b_frame_strategy = 0;
2243
                    video_enc->b_quant_factor = 2.0;
2244
                }
2245
            
2246
                video_enc->qmin = video_qmin;
2247
                video_enc->qmax = video_qmax;
2248
                video_enc->mb_qmin = video_mb_qmin;
2249
                video_enc->mb_qmax = video_mb_qmax;
2250
                video_enc->max_qdiff = video_qdiff;
2251
                video_enc->qblur = video_qblur;
2252
                video_enc->qcompress = video_qcomp;
2253
                video_enc->rc_eq = video_rc_eq;
2254
                video_enc->debug= debug;
2255
                
2256
                p= video_rc_override_string;
2257
                for(i=0; p; i++){
2258
                    int start, end, q;
2259
                    int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2260
                    if(e!=3){
2261
                        fprintf(stderr, "error parsing rc_override\n");
2262
                        exit(1);
2263
                    }
2264
                    video_enc->rc_override= 
2265
                        av_realloc(video_enc->rc_override, 
2266
                                   sizeof(RcOverride)*(i+1));
2267
                    video_enc->rc_override[i].start_frame= start;
2268
                    video_enc->rc_override[i].end_frame  = end;
2269
                    if(q>0){
2270
                        video_enc->rc_override[i].qscale= q;
2271
                        video_enc->rc_override[i].quality_factor= 1.0;
2272
                    }
2273
                    else{
2274
                        video_enc->rc_override[i].qscale= 0;
2275
                        video_enc->rc_override[i].quality_factor= -q/100.0;
2276
                    }
2277
                    p= strchr(p, '/');
2278
                    if(p) p++;
2279
                }
2280
                video_enc->rc_override_count=i;
2281

    
2282
                video_enc->rc_max_rate = video_rc_max_rate;
2283
                video_enc->rc_min_rate = video_rc_min_rate;
2284
                video_enc->rc_buffer_size = video_rc_buffer_size;
2285
                video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
2286
                video_enc->rc_initial_cplx= video_rc_initial_cplx;
2287
                video_enc->i_quant_factor = video_i_qfactor;
2288
                video_enc->b_quant_factor = video_b_qfactor;
2289
                video_enc->i_quant_offset = video_i_qoffset;
2290
                video_enc->b_quant_offset = video_b_qoffset;
2291
                video_enc->dct_algo = dct_algo;
2292
                video_enc->idct_algo = idct_algo;
2293
                video_enc->strict_std_compliance = strict;
2294
                if(packet_size){
2295
                    video_enc->rtp_mode= 1;
2296
                    video_enc->rtp_payload_size= packet_size;
2297
                }
2298
            
2299
                if (do_psnr)
2300
                    video_enc->flags|= CODEC_FLAG_PSNR;
2301
            
2302
                video_enc->me_method = me_method;
2303

    
2304
                /* two pass mode */
2305
                if (do_pass) {
2306
                    if (do_pass == 1) {
2307
                        video_enc->flags |= CODEC_FLAG_PASS1;
2308
                    } else {
2309
                        video_enc->flags |= CODEC_FLAG_PASS2;
2310
                    }
2311
                }
2312
            }
2313
            oc->streams[nb_streams] = st;
2314
            nb_streams++;
2315
        }
2316
    
2317
        if (use_audio) {
2318
            AVCodecContext *audio_enc;
2319

    
2320
            st = av_mallocz(sizeof(AVStream));
2321
            if (!st) {
2322
                fprintf(stderr, "Could not alloc stream\n");
2323
                exit(1);
2324
            }
2325
            avcodec_get_context_defaults(&st->codec);
2326

    
2327
            audio_enc = &st->codec;
2328
            audio_enc->codec_type = CODEC_TYPE_AUDIO;
2329
            if (audio_stream_copy) {
2330
                st->stream_copy = 1;
2331
            } else {
2332
                codec_id = file_oformat->audio_codec;
2333
                if (audio_codec_id != CODEC_ID_NONE)
2334
                    codec_id = audio_codec_id;
2335
                audio_enc->codec_id = codec_id;
2336
                
2337
                audio_enc->bit_rate = audio_bit_rate;
2338
                audio_enc->sample_rate = audio_sample_rate;
2339
                /* For audio codecs other than AC3 we limit */
2340
                /* the number of coded channels to stereo   */
2341
                if (audio_channels > 2 && codec_id != CODEC_ID_AC3) {
2342
                    audio_enc->channels = 2;
2343
                } else
2344
                    audio_enc->channels = audio_channels;
2345
            }
2346
            oc->streams[nb_streams] = st;
2347
            nb_streams++;
2348
        }
2349

    
2350
        oc->nb_streams = nb_streams;
2351

    
2352
        if (!nb_streams) {
2353
            fprintf(stderr, "No audio or video streams available\n");
2354
            exit(1);
2355
        }
2356

    
2357
        if (str_title)
2358
            pstrcpy(oc->title, sizeof(oc->title), str_title);
2359
        if (str_author)
2360
            pstrcpy(oc->author, sizeof(oc->author), str_author);
2361
        if (str_copyright)
2362
            pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
2363
        if (str_comment)
2364
            pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
2365
    }
2366

    
2367
    output_files[nb_output_files++] = oc;
2368

    
2369
    strcpy(oc->filename, filename);
2370

    
2371
    /* check filename in case of an image number is expected */
2372
    if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
2373
        if (filename_number_test(oc->filename) < 0) {
2374
            print_error(oc->filename, AVERROR_NUMEXPECTED);
2375
            exit(1);
2376
        }
2377
    }
2378

    
2379
    if (!(oc->oformat->flags & AVFMT_NOFILE)) {
2380
        /* test if it already exists to avoid loosing precious files */
2381
        if (!file_overwrite && 
2382
            (strchr(filename, ':') == NULL ||
2383
             strstart(filename, "file:", NULL))) {
2384
            if (url_exist(filename)) {
2385
                int c;
2386
                
2387
                printf("File '%s' already exists. Overwrite ? [y/N] ", filename);
2388
                fflush(stdout);
2389
                c = getchar();
2390
                if (toupper(c) != 'Y') {
2391
                    fprintf(stderr, "Not overwriting - exiting\n");
2392
                    exit(1);
2393
                }
2394
            }
2395
        }
2396
        
2397
        /* open the file */
2398
        if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
2399
            fprintf(stderr, "Could not open '%s'\n", filename);
2400
            exit(1);
2401
        }
2402
    }
2403

    
2404
    memset(ap, 0, sizeof(*ap));
2405
    ap->image_format = image_format;
2406
    if (av_set_parameters(oc, ap) < 0) {
2407
        fprintf(stderr, "%s: Invalid encoding parameters\n",
2408
                oc->filename);
2409
        exit(1);
2410
    }
2411

    
2412
    /* reset some options */
2413
    file_oformat = NULL;
2414
    file_iformat = NULL;
2415
    image_format = NULL;
2416
    audio_disable = 0;
2417
    video_disable = 0;
2418
    audio_codec_id = CODEC_ID_NONE;
2419
    video_codec_id = CODEC_ID_NONE;
2420
    audio_stream_copy = 0;
2421
    video_stream_copy = 0;
2422
}
2423

    
2424
/* prepare dummy protocols for grab */
2425
void prepare_grab(void)
2426
{
2427
    int has_video, has_audio, i, j;
2428
    AVFormatContext *oc;
2429
    AVFormatContext *ic;
2430
    AVFormatParameters vp1, *vp = &vp1;
2431
    AVFormatParameters ap1, *ap = &ap1;
2432
    
2433
    /* see if audio/video inputs are needed */
2434
    has_video = 0;
2435
    has_audio = 0;
2436
    memset(ap, 0, sizeof(*ap));
2437
    memset(vp, 0, sizeof(*vp));
2438
    for(j=0;j<nb_output_files;j++) {
2439
        oc = output_files[j];
2440
        for(i=0;i<oc->nb_streams;i++) {
2441
            AVCodecContext *enc = &oc->streams[i]->codec;
2442
            switch(enc->codec_type) {
2443
            case CODEC_TYPE_AUDIO:
2444
                if (enc->sample_rate > ap->sample_rate)
2445
                    ap->sample_rate = enc->sample_rate;
2446
                if (enc->channels > ap->channels)
2447
                    ap->channels = enc->channels;
2448
                has_audio = 1;
2449
                break;
2450
            case CODEC_TYPE_VIDEO:
2451
                if (enc->width > vp->width)
2452
                    vp->width = enc->width;
2453
                if (enc->height > vp->height)
2454
                    vp->height = enc->height;
2455
                if (enc->frame_rate > vp->frame_rate)
2456
                    vp->frame_rate = enc->frame_rate;
2457
                has_video = 1;
2458
                break;
2459
            default:
2460
                av_abort();
2461
            }
2462
        }
2463
    }
2464
    
2465
    if (has_video == 0 && has_audio == 0) {
2466
        fprintf(stderr, "Output file must have at least one audio or video stream\n");
2467
        exit(1);
2468
    }
2469
    
2470
    if (has_video) {
2471
        AVInputFormat *fmt1;
2472
        fmt1 = av_find_input_format(video_grab_format);
2473
        vp->device  = video_device;
2474
        vp->channel = video_channel;
2475
        if (av_open_input_file(&ic, "", fmt1, 0, vp) < 0) {
2476
            fprintf(stderr, "Could not find video grab device\n");
2477
            exit(1);
2478
        }
2479
        /* by now video grab has one stream */
2480
        ic->streams[0]->r_frame_rate = vp->frame_rate;
2481
        input_files[nb_input_files] = ic;
2482
        dump_format(ic, nb_input_files, "", 0);
2483
        nb_input_files++;
2484
    }
2485
    if (has_audio) {
2486
        AVInputFormat *fmt1;
2487
        fmt1 = av_find_input_format(audio_grab_format);
2488
        ap->device = audio_device;
2489
        if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
2490
            fprintf(stderr, "Could not find audio grab device\n");
2491
            exit(1);
2492
        }
2493
        input_files[nb_input_files] = ic;
2494
        dump_format(ic, nb_input_files, "", 0);
2495
        nb_input_files++;
2496
    }
2497
}
2498

    
2499
/* open the necessary output devices for playing */
2500
void prepare_play(void)
2501
{
2502
    int has_video, has_audio;
2503
    
2504
    check_audio_video_inputs(&has_video, &has_audio);
2505
        
2506
    /* manual disable */
2507
    if (audio_disable) {
2508
        has_audio = 0;
2509
    }
2510
    if (video_disable) {
2511
        has_video = 0;
2512
    }
2513
        
2514
    if (has_audio) {
2515
        file_oformat = guess_format("audio_device", NULL, NULL);
2516
        if (!file_oformat) {
2517
            fprintf(stderr, "Could not find audio device\n");
2518
            exit(1);
2519
        }
2520
        opt_output_file(audio_device);
2521
    }
2522

    
2523
    if (has_video) {
2524
        file_oformat = guess_format("framebuffer_device", NULL, NULL);
2525
        if (!file_oformat) {
2526
            fprintf(stderr, "Could not find framebuffer device\n");
2527
            exit(1);
2528
        }
2529
        opt_output_file("");
2530
    }
2531
}
2532

    
2533
/* same option as mencoder */
2534
void opt_pass(const char *pass_str)
2535
{
2536
    int pass;
2537
    pass = atoi(pass_str);
2538
    if (pass != 1 && pass != 2) {
2539
        fprintf(stderr, "pass number can be only 1 or 2\n");
2540
        exit(1);
2541
    }
2542
    do_pass = pass;
2543
}
2544

    
2545
#if defined(CONFIG_WIN32) || defined(CONFIG_OS2)
2546
INT64 getutime(void)
2547
{
2548
  return av_gettime();
2549
}
2550
#else
2551
INT64 getutime(void)
2552
{
2553
    struct rusage rusage;
2554

    
2555
    getrusage(RUSAGE_SELF, &rusage);
2556
    return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2557
}
2558
#endif
2559

    
2560
extern int ffm_nopts;
2561

    
2562
void opt_bitexact(void)
2563
{
2564
    avcodec_set_bit_exact();
2565
    /* disable generate of real time pts in ffm (need to be supressed anyway) */
2566
    ffm_nopts = 1;
2567
}
2568

    
2569
void show_formats(void)
2570
{
2571
    AVInputFormat *ifmt;
2572
    AVOutputFormat *ofmt;
2573
    AVImageFormat *image_fmt;
2574
    URLProtocol *up;
2575
    AVCodec *p;
2576
    const char **pp;
2577

    
2578
    printf("Output audio/video file formats:");
2579
    for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
2580
        printf(" %s", ofmt->name);
2581
    }
2582
    printf("\n");
2583

    
2584
    printf("Input audio/video file formats:");
2585
    for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
2586
        printf(" %s", ifmt->name);
2587
    }
2588
    printf("\n");
2589

    
2590
    printf("Output image formats:");
2591
    for(image_fmt = first_image_format; image_fmt != NULL; 
2592
        image_fmt = image_fmt->next) {
2593
        if (image_fmt->img_write)
2594
            printf(" %s", image_fmt->name);
2595
    }
2596
    printf("\n");
2597

    
2598
    printf("Input image formats:");
2599
    for(image_fmt = first_image_format; image_fmt != NULL; 
2600
        image_fmt = image_fmt->next) {
2601
        if (image_fmt->img_read)
2602
            printf(" %s", image_fmt->name);
2603
    }
2604
    printf("\n");
2605

    
2606
    printf("Codecs:\n");
2607
    printf("  Encoders:");
2608
    for(p = first_avcodec; p != NULL; p = p->next) {
2609
        if (p->encode)
2610
            printf(" %s", p->name);
2611
    }
2612
    printf("\n");
2613

    
2614
    printf("  Decoders:");
2615
    for(p = first_avcodec; p != NULL; p = p->next) {
2616
        if (p->decode)
2617
            printf(" %s", p->name);
2618
    }
2619
    printf("\n");
2620

    
2621
    printf("Supported file protocols:");
2622
    for(up = first_protocol; up != NULL; up = up->next)
2623
        printf(" %s:", up->name);
2624
    printf("\n");
2625
    
2626
    printf("Frame size abbreviations: sqcif qcif cif 4cif\n");
2627
    printf("Motion estimation methods:");
2628
    pp = motion_str;
2629
    while (*pp) {
2630
        printf(" %s", *pp);
2631
        if ((pp - motion_str + 1) == ME_ZERO) 
2632
            printf("(fastest)");
2633
        else if ((pp - motion_str + 1) == ME_FULL) 
2634
            printf("(slowest)");
2635
        else if ((pp - motion_str + 1) == ME_EPZS) 
2636
            printf("(default)");
2637
        pp++;
2638
    }
2639
    printf("\n");
2640
    exit(1);
2641
}
2642

    
2643
void show_help(void)
2644
{
2645
    const char *prog;
2646
    const OptionDef *po;
2647
    int i, expert;
2648
    
2649
    prog = do_play ? "ffplay" : "ffmpeg";
2650

    
2651
    printf("%s version " FFMPEG_VERSION ", Copyright (c) 2000, 2001, 2002 Fabrice Bellard\n",
2652
           prog);
2653
    
2654
    if (!do_play) {
2655
        printf("usage: ffmpeg [[options] -i input_file]... {[options] outfile}...\n"
2656
               "Hyper fast MPEG1/MPEG4/H263/RV and AC3/MPEG audio encoder\n");
2657
    } else {
2658
        printf("usage: ffplay [options] input_file...\n"
2659
               "Simple audio player\n");
2660
    }
2661
           
2662
    printf("\n"
2663
           "Main options are:\n");
2664
    for(i=0;i<2;i++) {
2665
        if (i == 1)
2666
            printf("\nAdvanced options are:\n");
2667
        for(po = options; po->name != NULL; po++) {
2668
            char buf[64];
2669
            expert = (po->flags & OPT_EXPERT) != 0;
2670
            if (expert == i) {
2671
                strcpy(buf, po->name);
2672
                if (po->flags & HAS_ARG) {
2673
                    strcat(buf, " ");
2674
                    strcat(buf, po->argname);
2675
                }
2676
                printf("-%-17s  %s\n", buf, po->help);
2677
            }
2678
        }
2679
    }
2680

    
2681
    exit(1);
2682
}
2683

    
2684
const OptionDef options[] = {
2685
    { "L", 0, {(void*)show_licence}, "show license" },
2686
    { "h", 0, {(void*)show_help}, "show help" },
2687
    { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
2688
    { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
2689
    { "img", HAS_ARG, {(void*)opt_image_format}, "force image format", "img_fmt" },
2690
    { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
2691
    { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
2692
    { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream" },
2693
    { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
2694
    { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
2695
    { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
2696
    { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
2697
    { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
2698
    { "pass", HAS_ARG, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
2699
    { "passlogfile", HAS_ARG | OPT_STRING, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
2700
    /* video options */
2701
    { "b", HAS_ARG, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" },
2702
    { "r", HAS_ARG, {(void*)opt_frame_rate}, "set frame rate (in Hz)", "rate" },
2703
    { "em_rate", OPT_BOOL|OPT_EXPERT, {(void*)&emulate_frame_rate}, "makes img reading happen at nominal frame rate" },
2704
    { "s", HAS_ARG, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
2705
    { "croptop", HAS_ARG, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
2706
    { "cropbottom", HAS_ARG, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
2707
    { "cropleft", HAS_ARG, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
2708
    { "cropright", HAS_ARG, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
2709
    { "g", HAS_ARG | OPT_EXPERT, {(void*)opt_gop_size}, "set the group of picture size", "gop_size" },
2710
    { "intra", OPT_BOOL | OPT_EXPERT, {(void*)&intra_only}, "use only intra frames"},
2711
    { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
2712
    { "qscale", HAS_ARG | OPT_EXPERT, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
2713
    { "qmin", HAS_ARG | OPT_EXPERT, {(void*)opt_qmin}, "min video quantiser scale (VBR)", "q" },
2714
    { "qmax", HAS_ARG | OPT_EXPERT, {(void*)opt_qmax}, "max video quantiser scale (VBR)", "q" },
2715
    { "mbqmin", HAS_ARG | OPT_EXPERT, {(void*)opt_mb_qmin}, "min macroblock quantiser scale (VBR)", "q" },
2716
    { "mbqmax", HAS_ARG | OPT_EXPERT, {(void*)opt_mb_qmax}, "max macroblock quantiser scale (VBR)", "q" },
2717
    { "qdiff", HAS_ARG | OPT_EXPERT, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" },
2718
    { "qblur", HAS_ARG | OPT_EXPERT, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" },
2719
    { "qcomp", HAS_ARG | OPT_EXPERT, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" },
2720
    { "rc_init_cplx", HAS_ARG | OPT_EXPERT, {(void*)opt_rc_initial_cplx}, "initial complexity for 1-pass encoding", "complexity" },
2721
    { "b_qfactor", HAS_ARG | OPT_EXPERT, {(void*)opt_b_qfactor}, "qp factor between p and b frames", "factor" },
2722
    { "i_qfactor", HAS_ARG | OPT_EXPERT, {(void*)opt_i_qfactor}, "qp factor between p and i frames", "factor" },
2723
    { "b_qoffset", HAS_ARG | OPT_EXPERT, {(void*)opt_b_qoffset}, "qp offset between p and b frames", "offset" },
2724
    { "i_qoffset", HAS_ARG | OPT_EXPERT, {(void*)opt_i_qoffset}, "qp offset between p and i frames", "offset" },
2725
//    { "b_strategy", HAS_ARG | OPT_EXPERT, {(void*)opt_b_strategy}, "dynamic b frame selection strategy", "strategy" },
2726
    { "rc_eq", HAS_ARG | OPT_EXPERT, {(void*)opt_video_rc_eq}, "", "equation" },
2727
    { "rc_override", HAS_ARG | OPT_EXPERT, {(void*)opt_video_rc_override_string}, "Rate control override", "qualities for specific intervals" },
2728
    { "bt", HAS_ARG, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
2729
    { "maxrate", HAS_ARG, {(void*)opt_video_bitrate_max}, "set max video bitrate tolerance (in kbit/s)", "bitrate" },
2730
    { "minrate", HAS_ARG, {(void*)opt_video_bitrate_min}, "set min video bitrate tolerance (in kbit/s)", "bitrate" },
2731
    { "bufsize", HAS_ARG, {(void*)opt_video_buffer_size}, "set ratecontrol buffere size (in kbit)", "size" },
2732
    { "vd", HAS_ARG | OPT_EXPERT, {(void*)opt_video_device}, "set video grab device", "device" },
2733
    { "vc", HAS_ARG | OPT_EXPERT, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
2734
    { "dv1394", OPT_EXPERT, {(void*)opt_dv1394}, "set DV1394 grab", "" },
2735
    { "vcodec", HAS_ARG | OPT_EXPERT, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
2736
    { "me", HAS_ARG | OPT_EXPERT, {(void*)opt_motion_estimation}, "set motion estimation method", 
2737
      "method" },
2738
    { "dct_algo", HAS_ARG | OPT_EXPERT, {(void*)opt_dct_algo}, "set dct algo",  "algo" },
2739
    { "idct_algo", HAS_ARG | OPT_EXPERT, {(void*)opt_idct_algo}, "set idct algo",  "algo" },
2740
    { "er", HAS_ARG | OPT_EXPERT, {(void*)opt_error_resilience}, "set error resilience",  "" },
2741
    { "ec", HAS_ARG | OPT_EXPERT, {(void*)opt_error_concealment}, "set error concealment",  "" },
2742
    { "bf", HAS_ARG | OPT_EXPERT, {(void*)opt_b_frames}, "use 'frames' B frames (only MPEG-4)", "frames" },
2743
    { "hq", OPT_BOOL | OPT_EXPERT, {(void*)&use_hq}, "activate high quality settings" },
2744
    { "4mv", OPT_BOOL | OPT_EXPERT, {(void*)&use_4mv}, "use four motion vector by macroblock (only MPEG-4)" },
2745
    { "part", OPT_BOOL | OPT_EXPERT, {(void*)&use_part}, "use data partitioning (only MPEG-4)" },
2746
    { "bug", HAS_ARG | OPT_EXPERT, {(void*)opt_workaround_bugs}, "workaround not auto detected encoder bugs", "param" },
2747
    { "ps", HAS_ARG | OPT_EXPERT, {(void*)opt_packet_size}, "packet size", "size in bits" },
2748
    { "strict", HAS_ARG | OPT_EXPERT, {(void*)opt_strict}, "strictness", "how strictly to follow the standarts" },
2749
    { "sameq", OPT_BOOL, {(void*)&same_quality}, 
2750
      "use same video quality as source (implies VBR)" },
2751
    { "debug", HAS_ARG | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
2752
    /* audio options */
2753
    { "ab", HAS_ARG, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", },
2754
    { "ar", HAS_ARG, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
2755
    { "ac", HAS_ARG, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
2756
    { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
2757
    { "ad", HAS_ARG | OPT_EXPERT, {(void*)opt_audio_device}, "set audio device", "device" },
2758
    { "acodec", HAS_ARG | OPT_EXPERT, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
2759
    { "deinterlace", OPT_BOOL | OPT_EXPERT, {(void*)&do_deinterlace}, 
2760
      "deinterlace pictures" },
2761
    { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark}, 
2762
      "add timings for benchmarking" },
2763
    { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump}, 
2764
      "dump each input packet" },
2765
    { "psnr", OPT_BOOL | OPT_EXPERT, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
2766
    { "vstats", OPT_BOOL | OPT_EXPERT, {(void*)&do_vstats}, "dump video coding statistics to file" }, 
2767
    { "bitexact", OPT_EXPERT, {(void*)opt_bitexact}, "only use bit exact algorithms (for codec testing)" }, 
2768
    { "vhook", HAS_ARG | OPT_EXPERT, {(void*)add_frame_hooker}, "insert video processing module", "module name and parameters" },
2769
    { NULL, },
2770
};
2771

    
2772
int main(int argc, char **argv)
2773
{
2774
    int optindex, i;
2775
    const char *opt, *arg;
2776
    const OptionDef *po;
2777
    INT64 ti;
2778
    
2779
    av_register_all();
2780

    
2781
    /* detect if invoked as player */
2782
    i = strlen(argv[0]);
2783
    if (i >= 6 && !strcmp(argv[0] + i - 6, "ffplay"))
2784
        do_play = 1;
2785

    
2786
    if (argc <= 1)
2787
        show_help();
2788
    
2789
    /* parse options */
2790
    optindex = 1;
2791
    while (optindex < argc) {
2792
        opt = argv[optindex++];
2793
        
2794
        if (opt[0] == '-' && opt[1] != '\0') {
2795
            po = options;
2796
            while (po->name != NULL) {
2797
                if (!strcmp(opt + 1, po->name))
2798
                    break;
2799
                po++;
2800
            }
2801
            if (!po->name) {
2802
                fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt);
2803
                exit(1);
2804
            }
2805
            arg = NULL;
2806
            if (po->flags & HAS_ARG) {
2807
                arg = argv[optindex++];
2808
                if (!arg) {
2809
                    fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt);
2810
                    exit(1);
2811
                }
2812
            }
2813
            if (po->flags & OPT_STRING) {
2814
                char *str;
2815
                str = av_strdup(arg);
2816
                *po->u.str_arg = str;
2817
            } else if (po->flags & OPT_BOOL) {
2818
                *po->u.int_arg = 1;
2819
            } else {
2820
                po->u.func_arg(arg);
2821
            }
2822
        } else {
2823
            if (!do_play) {
2824
                opt_output_file(opt);
2825
            } else {
2826
                opt_input_file(opt);
2827
            }
2828
        }
2829
    }
2830

    
2831

    
2832
    if (!do_play) {
2833
        /* file converter / grab */
2834
        if (nb_output_files <= 0) {
2835
            fprintf(stderr, "Must supply at least one output file\n");
2836
            exit(1);
2837
        }
2838
        
2839
        if (nb_input_files == 0) {
2840
            prepare_grab();
2841
        }
2842
    } else {
2843
        /* player */
2844
        if (nb_input_files <= 0) {
2845
            fprintf(stderr, "Must supply at least one input file\n");
2846
            exit(1);
2847
        }
2848
        prepare_play();
2849
    }
2850

    
2851
    ti = getutime();
2852
    av_encode(output_files, nb_output_files, input_files, nb_input_files, 
2853
              stream_maps, nb_stream_maps);
2854
    ti = getutime() - ti;
2855
    if (do_benchmark) {
2856
        printf("bench: utime=%0.3fs\n", ti / 1000000.0);
2857
    }
2858

    
2859
    /* close files */
2860
    for(i=0;i<nb_output_files;i++) {
2861
        /* maybe av_close_output_file ??? */
2862
        AVFormatContext *s = output_files[i];
2863
        int j;
2864
        if (!(s->oformat->flags & AVFMT_NOFILE))
2865
            url_fclose(&s->pb);
2866
        for(j=0;j<s->nb_streams;j++)
2867
            av_free(s->streams[j]);
2868
        av_free(s);
2869
    }
2870
    for(i=0;i<nb_input_files;i++)
2871
        av_close_input_file(input_files[i]);
2872

    
2873
    av_free_static();
2874

    
2875
    
2876
#ifdef POWERPC_TBL_PERFORMANCE_REPORT
2877
    extern void powerpc_display_perf_report(void);
2878
    powerpc_display_perf_report();
2879
#endif /* POWERPC_TBL_PERFORMANCE_REPORT */
2880

    
2881
    return 0;
2882
}