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1
/*
2
 * FFmpeg main 
3
 * Copyright (c) 2000-2003 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
7
 * License as published by the Free Software Foundation; either
8
 * version 2 of the License, or (at your option) any later version.
9
 *
10
 * This library is distributed in the hope that it will be useful,
11
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13
 * Lesser General Public License for more details.
14
 *
15
 * You should have received a copy of the GNU Lesser General Public
16
 * 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
18
 */
19
#define HAVE_AV_CONFIG_H
20
#include "avformat.h"
21
#include "framehook.h"
22

    
23
#ifndef CONFIG_WIN32
24
#include <unistd.h>
25
#include <fcntl.h>
26
#include <sys/ioctl.h>
27
#include <sys/time.h>
28
#include <termios.h>
29
#include <sys/resource.h>
30
#include <signal.h>
31
#endif
32
#ifdef CONFIG_OS2
33
#include <sys/types.h>
34
#include <sys/select.h>
35
#include <stdlib.h>
36
#endif
37
#include <time.h>
38

    
39
#include "cmdutils.h"
40

    
41
#if !defined(INFINITY) && defined(HUGE_VAL)
42
#define INFINITY HUGE_VAL
43
#endif
44

    
45
/* select an input stream for an output stream */
46
typedef struct AVStreamMap {
47
    int file_index;
48
    int stream_index;
49
} AVStreamMap;
50

    
51
extern const OptionDef options[];
52

    
53
static void show_help(void);
54
static void show_license(void);
55

    
56
#define MAX_FILES 20
57

    
58
static AVFormatContext *input_files[MAX_FILES];
59
static int nb_input_files = 0;
60

    
61
static AVFormatContext *output_files[MAX_FILES];
62
static int nb_output_files = 0;
63

    
64
static AVStreamMap stream_maps[MAX_FILES];
65
static int nb_stream_maps;
66

    
67
static AVInputFormat *file_iformat;
68
static AVOutputFormat *file_oformat;
69
static AVImageFormat *image_format;
70
static int frame_width  = 160;
71
static int frame_height = 128;
72
static float frame_aspect_ratio = 0;
73
static enum PixelFormat frame_pix_fmt = PIX_FMT_YUV420P;
74
static int frame_topBand  = 0;
75
static int frame_bottomBand = 0;
76
static int frame_leftBand  = 0;
77
static int frame_rightBand = 0;
78
static int frame_rate = 25;
79
static int frame_rate_base = 1;
80
static int video_bit_rate = 200*1000;
81
static int video_bit_rate_tolerance = 4000*1000;
82
static int video_qscale = 0;
83
static int video_qmin = 2;
84
static int video_qmax = 31;
85
static int video_mb_qmin = 2;
86
static int video_mb_qmax = 31;
87
static int video_qdiff = 3;
88
static float video_qblur = 0.5;
89
static float video_qcomp = 0.5;
90
#if 0 //experimental, (can be removed)
91
static float video_rc_qsquish=1.0;
92
static float video_rc_qmod_amp=0;
93
static int video_rc_qmod_freq=0;
94
#endif
95
static char *video_rc_override_string=NULL;
96
static char *video_rc_eq="tex^qComp";
97
static int video_rc_buffer_size=0;
98
static float video_rc_buffer_aggressivity=1.0;
99
static int video_rc_max_rate=0;
100
static int video_rc_min_rate=0;
101
static float video_rc_initial_cplx=0;
102
static float video_b_qfactor = 1.25;
103
static float video_b_qoffset = 1.25;
104
static float video_i_qfactor = -0.8;
105
static float video_i_qoffset = 0.0;
106
static int me_method = ME_EPZS;
107
static int video_disable = 0;
108
static int video_codec_id = CODEC_ID_NONE;
109
static int same_quality = 0;
110
static int b_frames = 0;
111
static int mb_decision = FF_MB_DECISION_SIMPLE;
112
static int use_4mv = 0;
113
static int use_aic = 0;
114
static int use_umv = 0;
115
static int do_deinterlace = 0;
116
static int workaround_bugs = FF_BUG_AUTODETECT;
117
static int error_resilience = 2;
118
static int error_concealment = 3;
119
static int dct_algo = 0;
120
static int idct_algo = 0;
121
static int use_part = 0;
122
static int packet_size = 0;
123
static int strict = 0;
124
static int debug = 0;
125
extern int loop_input; /* currently a hack */
126

    
127
static int gop_size = 12;
128
static int intra_only = 0;
129
static int audio_sample_rate = 44100;
130
static int audio_bit_rate = 64000;
131
static int audio_disable = 0;
132
static int audio_channels = 1;
133
static int audio_codec_id = CODEC_ID_NONE;
134

    
135
static int64_t recording_time = 0;
136
static int file_overwrite = 0;
137
static char *str_title = NULL;
138
static char *str_author = NULL;
139
static char *str_copyright = NULL;
140
static char *str_comment = NULL;
141
static int do_benchmark = 0;
142
static int do_hex_dump = 0;
143
static int do_psnr = 0;
144
static int do_vstats = 0;
145
static int do_pass = 0;
146
static int bitexact = 0;
147
static char *pass_logfilename = NULL;
148
static int audio_stream_copy = 0;
149
static int video_stream_copy = 0;
150

    
151
static int rate_emu = 0;
152

    
153
static char *video_grab_format = "video4linux";
154
static char *video_device = NULL;
155
static int  video_channel = 0;
156
static char *video_standard = "ntsc";
157

    
158
static char *audio_grab_format = "audio_device";
159
static char *audio_device = NULL;
160

    
161
static int using_stdin = 0;
162
static int using_vhook = 0;
163
static int verbose = 1;
164

    
165
#define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
166

    
167
typedef struct AVOutputStream {
168
    int file_index;          /* file index */
169
    int index;               /* stream index in the output file */
170
    int source_index;        /* AVInputStream index */
171
    AVStream *st;            /* stream in the output file */
172
    int encoding_needed;     /* true if encoding needed for this stream */
173
    int frame_number;
174
    /* input pts and corresponding output pts
175
       for A/V sync */
176
    double sync_ipts;
177
    double sync_ipts_offset;
178
    int64_t sync_opts;
179
    /* video only */
180
    int video_resample;      /* video_resample and video_crop are mutually exclusive */
181
    AVPicture pict_tmp;      /* temporary image for resampling */
182
    ImgReSampleContext *img_resample_ctx; /* for image resampling */
183

    
184
    int video_crop;          /* video_resample and video_crop are mutually exclusive */
185
    int topBand;             /* cropping area sizes */
186
    int leftBand;
187
    
188
    /* audio only */
189
    int audio_resample;
190
    ReSampleContext *resample; /* for audio resampling */
191
    FifoBuffer fifo;     /* for compression: one audio fifo per codec */
192
    FILE *logfile;
193
} AVOutputStream;
194

    
195
typedef struct AVInputStream {
196
    int file_index;
197
    int index;
198
    AVStream *st;
199
    int discard;             /* true if stream data should be discarded */
200
    int decoding_needed;     /* true if the packets must be decoded in 'raw_fifo' */
201
    int64_t sample_index;      /* current sample */
202
    int frame_decoded;       /* true if a video or audio frame has been decoded */
203

    
204
    int64_t       start;     /* time when read started */
205
    unsigned long frame;     /* current frame */
206
    AVFrac        next_pts;  /* synthetic pts for cases where pkt.pts == 0 */
207
    int64_t       pts;       /* current pts */
208
} AVInputStream;
209

    
210
typedef struct AVInputFile {
211
    int eof_reached;      /* true if eof reached */
212
    int ist_index;        /* index of first stream in ist_table */
213
    int buffer_size;      /* current total buffer size */
214
    int buffer_size_max;  /* buffer size at which we consider we can stop
215
                             buffering */
216
    int nb_streams;       /* nb streams we are aware of */
217
} AVInputFile;
218

    
219
#ifndef CONFIG_WIN32
220

    
221
/* init terminal so that we can grab keys */
222
static struct termios oldtty;
223

    
224
static void term_exit(void)
225
{
226
    tcsetattr (0, TCSANOW, &oldtty);
227
}
228

    
229
static volatile sig_atomic_t received_sigterm = 0;
230

    
231
static void
232
sigterm_handler(int sig)
233
{
234
    received_sigterm = sig;
235
    term_exit();
236
}
237

    
238
static void term_init(void)
239
{
240
    struct termios tty;
241

    
242
    tcgetattr (0, &tty);
243
    oldtty = tty;
244

    
245
    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
246
                          |INLCR|IGNCR|ICRNL|IXON);
247
    tty.c_oflag |= OPOST;
248
    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
249
    tty.c_cflag &= ~(CSIZE|PARENB);
250
    tty.c_cflag |= CS8;
251
    tty.c_cc[VMIN] = 1;
252
    tty.c_cc[VTIME] = 0;
253
    
254
    tcsetattr (0, TCSANOW, &tty);
255

    
256
    signal(SIGINT , sigterm_handler); /* Interrupt (ANSI).  */
257
    signal(SIGQUIT, sigterm_handler); /* Quit (POSIX).  */
258
    signal(SIGTERM, sigterm_handler); /* Termination (ANSI).  */
259
    /*
260
    register a function to be called at normal program termination
261
    */
262
    atexit(term_exit);
263
#ifdef CONFIG_BEOS_NETSERVER
264
    fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
265
#endif
266
}
267

    
268
/* read a key without blocking */
269
static int read_key(void)
270
{
271
    int n = 1;
272
    unsigned char ch;
273
#ifndef CONFIG_BEOS_NETSERVER
274
    struct timeval tv;
275
    fd_set rfds;
276

    
277
    FD_ZERO(&rfds);
278
    FD_SET(0, &rfds);
279
    tv.tv_sec = 0;
280
    tv.tv_usec = 0;
281
    n = select(1, &rfds, NULL, NULL, &tv);
282
#endif
283
    if (n > 0) {
284
        n = read(0, &ch, 1);
285
        if (n == 1)
286
            return ch;
287

    
288
        return n;
289
    }
290
    return -1;
291
}
292

    
293
#else
294

    
295
static volatile int received_sigterm = 0;
296

    
297
/* no interactive support */
298
static void term_exit(void)
299
{
300
}
301

    
302
static void term_init(void)
303
{
304
}
305

    
306
static int read_key(void)
307
{
308
    return 0;
309
}
310

    
311
#endif
312

    
313
static int read_ffserver_streams(AVFormatContext *s, const char *filename)
314
{
315
    int i, err;
316
    AVFormatContext *ic;
317

    
318
    err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
319
    if (err < 0)
320
        return err;
321
    /* copy stream format */
322
    s->nb_streams = ic->nb_streams;
323
    for(i=0;i<ic->nb_streams;i++) {
324
        AVStream *st;
325

    
326
        st = av_mallocz(sizeof(AVStream));
327
        memcpy(st, ic->streams[i], sizeof(AVStream));
328
        s->streams[i] = st;
329
    }
330

    
331
    av_close_input_file(ic);
332
    return 0;
333
}
334

    
335
#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
336

    
337
static void do_audio_out(AVFormatContext *s, 
338
                         AVOutputStream *ost, 
339
                         AVInputStream *ist,
340
                         unsigned char *buf, int size)
341
{
342
    uint8_t *buftmp;
343
    static uint8_t *audio_buf = NULL;
344
    static uint8_t *audio_out = NULL;
345
    const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
346

    
347
    int size_out, frame_bytes, ret;
348
    AVCodecContext *enc;
349

    
350
    /* SC: dynamic allocation of buffers */
351
    if (!audio_buf)
352
        audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
353
    if (!audio_out)
354
        audio_out = av_malloc(audio_out_size);
355
    if (!audio_buf || !audio_out)
356
        return;               /* Should signal an error ! */
357

    
358
    
359
    enc = &ost->st->codec;
360

    
361
    if (ost->audio_resample) {
362
        buftmp = audio_buf;
363
        size_out = audio_resample(ost->resample, 
364
                                  (short *)buftmp, (short *)buf,
365
                                  size / (ist->st->codec.channels * 2));
366
        size_out = size_out * enc->channels * 2;
367
    } else {
368
        buftmp = buf;
369
        size_out = size;
370
    }
371

    
372
    /* now encode as many frames as possible */
373
    if (enc->frame_size > 1) {
374
        /* output resampled raw samples */
375
        fifo_write(&ost->fifo, buftmp, size_out, 
376
                   &ost->fifo.wptr);
377

    
378
        frame_bytes = enc->frame_size * 2 * enc->channels;
379
        
380
        while (fifo_read(&ost->fifo, audio_buf, frame_bytes, 
381
                     &ost->fifo.rptr) == 0) {
382
            ret = avcodec_encode_audio(enc, audio_out, audio_out_size, 
383
                                       (short *)audio_buf);
384
            av_write_frame(s, ost->index, audio_out, ret);
385
        }
386
    } else {
387
        /* output a pcm frame */
388
        /* XXX: change encoding codec API to avoid this ? */
389
        switch(enc->codec->id) {
390
        case CODEC_ID_PCM_S16LE:
391
        case CODEC_ID_PCM_S16BE:
392
        case CODEC_ID_PCM_U16LE:
393
        case CODEC_ID_PCM_U16BE:
394
            break;
395
        default:
396
            size_out = size_out >> 1;
397
            break;
398
        }
399
        ret = avcodec_encode_audio(enc, audio_out, size_out, 
400
                                   (short *)buftmp);
401
        av_write_frame(s, ost->index, audio_out, ret);
402
    }
403
}
404

    
405
static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
406
{
407
    AVCodecContext *dec;
408
    AVPicture *picture2;
409
    AVPicture picture_tmp;
410
    uint8_t *buf = 0;
411

    
412
    dec = &ist->st->codec;
413

    
414
    /* deinterlace : must be done before any resize */
415
    if (do_deinterlace || using_vhook) {
416
        int size;
417

    
418
        /* create temporary picture */
419
        size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
420
        buf = av_malloc(size);
421
        if (!buf)
422
            return;
423
        
424
        picture2 = &picture_tmp;
425
        avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
426

    
427
        if (do_deinterlace){
428
            if(avpicture_deinterlace(picture2, picture, 
429
                                     dec->pix_fmt, dec->width, dec->height) < 0) {
430
                /* if error, do not deinterlace */
431
                av_free(buf);
432
                buf = NULL;
433
                picture2 = picture;
434
            }
435
        } else {
436
            if (img_convert(picture2, dec->pix_fmt, picture, 
437
                            dec->pix_fmt, dec->width, dec->height) < 0) {
438
                /* if error, do not copy */
439
                av_free(buf);
440
                buf = NULL;
441
                picture2 = picture;
442
            }
443
        }
444
    } else {
445
        picture2 = picture;
446
    }
447

    
448
    frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
449

    
450
    if (picture != picture2)
451
        *picture = *picture2;
452
    *bufp = buf;
453
}
454

    
455
/* we begin to correct av delay at this threshold */
456
#define AV_DELAY_MAX 0.100
457

    
458
static void do_video_out(AVFormatContext *s, 
459
                         AVOutputStream *ost, 
460
                         AVInputStream *ist,
461
                         AVPicture *in_picture,
462
                         int *frame_size, AVOutputStream *audio_sync)
463
{
464
    int nb_frames, i, ret;
465
    AVPicture *final_picture, *formatted_picture;
466
    AVPicture picture_format_temp, picture_crop_temp;
467
    static uint8_t *video_buffer;
468
    uint8_t *buf = NULL, *buf1 = NULL;
469
    AVCodecContext *enc, *dec;
470

    
471
#define VIDEO_BUFFER_SIZE (1024*1024)
472

    
473
    enc = &ost->st->codec;
474
    dec = &ist->st->codec;
475

    
476
    /* by default, we output a single frame */
477
    nb_frames = 1;
478

    
479
    *frame_size = 0;
480

    
481
    /* NOTE: the A/V sync is always done by considering the audio is
482
       the master clock. It is suffisant for transcoding or playing,
483
       but not for the general case */
484
    if (audio_sync) {
485
        /* compute the A-V delay and duplicate/remove frames if needed */
486
        double adelta, vdelta, av_delay;
487

    
488
        adelta = audio_sync->sync_ipts - ((double)audio_sync->sync_opts * 
489
            s->pts_num / s->pts_den);
490

    
491
        vdelta = ost->sync_ipts - ((double)ost->sync_opts *
492
            s->pts_num / s->pts_den);
493

    
494
        av_delay = adelta - vdelta;
495
        //            printf("delay=%f\n", av_delay);
496
        if (av_delay < -AV_DELAY_MAX)
497
            nb_frames = 2;
498
        else if (av_delay > AV_DELAY_MAX)
499
            nb_frames = 0;
500
    } else {
501
        double vdelta;
502

    
503
        vdelta = (double)(ost->st->pts.val) * s->pts_num / s->pts_den - (ost->sync_ipts - ost->sync_ipts_offset);
504
        if (vdelta < 100 && vdelta > -100 && ost->sync_ipts_offset) {
505
            if (vdelta < -AV_DELAY_MAX)
506
                nb_frames = 2;
507
            else if (vdelta > AV_DELAY_MAX)
508
                nb_frames = 0;
509
        } else {
510
            ost->sync_ipts_offset -= vdelta;
511
            if (!ost->sync_ipts_offset)
512
                ost->sync_ipts_offset = 0.000001; /* one microsecond */
513
        }
514
    }
515
    
516
#if defined(AVSYNC_DEBUG)
517
    static char *action[] = { "drop frame", "copy frame", "dup frame" };
518
    if (audio_sync)
519
        fprintf(stderr, "Input APTS %12.6f, output APTS %12.6f, ",
520
                (double) audio_sync->sync_ipts, 
521
                (double) audio_sync->st->pts.val * s->pts_num / s->pts_den);
522
    fprintf(stderr, "Input VPTS %12.6f, output VPTS %12.6f: %s\n",
523
            (double) ost->sync_ipts, 
524
              (double) ost->st->pts.val * s->pts_num / s->pts_den,
525
            action[nb_frames]);
526
#endif
527

    
528
    if (nb_frames <= 0) 
529
        return;
530

    
531
    if (!video_buffer)
532
        video_buffer = av_malloc(VIDEO_BUFFER_SIZE);
533
    if (!video_buffer)
534
        return;
535

    
536
    /* convert pixel format if needed */
537
    if (enc->pix_fmt != dec->pix_fmt) {
538
        int size;
539

    
540
        /* create temporary picture */
541
        size = avpicture_get_size(enc->pix_fmt, dec->width, dec->height);
542
        buf = av_malloc(size);
543
        if (!buf)
544
            return;
545
        formatted_picture = &picture_format_temp;
546
        avpicture_fill(formatted_picture, buf, enc->pix_fmt, dec->width, dec->height);
547
        
548
        if (img_convert(formatted_picture, enc->pix_fmt, 
549
                        in_picture, dec->pix_fmt, 
550
                        dec->width, dec->height) < 0) {
551
            fprintf(stderr, "pixel format conversion not handled\n");
552
            goto the_end;
553
        }
554
    } else {
555
        formatted_picture = in_picture;
556
    }
557

    
558
    /* XXX: resampling could be done before raw format convertion in
559
       some cases to go faster */
560
    /* XXX: only works for YUV420P */
561
    if (ost->video_resample) {
562
        final_picture = &ost->pict_tmp;
563
        img_resample(ost->img_resample_ctx, final_picture, formatted_picture);
564
    } else if (ost->video_crop) {
565
        picture_crop_temp.data[0] = formatted_picture->data[0] +
566
                (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
567

    
568
        picture_crop_temp.data[1] = formatted_picture->data[1] +
569
                ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
570
                (ost->leftBand >> 1);
571

    
572
        picture_crop_temp.data[2] = formatted_picture->data[2] +
573
                ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
574
                (ost->leftBand >> 1);
575

    
576
        picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
577
        picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
578
        picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
579
        final_picture = &picture_crop_temp;
580
    } else {
581
        final_picture = formatted_picture;
582
    }
583
    /* duplicates frame if needed */
584
    /* XXX: pb because no interleaving */
585
    for(i=0;i<nb_frames;i++) {
586
        if (s->oformat->flags & AVFMT_RAWPICTURE) {
587
            /* raw pictures are written as AVPicture structure to
588
               avoid any copies. We support temorarily the older
589
               method. */
590
            av_write_frame(s, ost->index, 
591
                           (uint8_t *)final_picture, sizeof(AVPicture));
592
        } else {
593
            AVFrame big_picture;
594
            
595
            memset(&big_picture, 0, sizeof(AVFrame));
596
            *(AVPicture*)&big_picture= *final_picture;
597
                        
598
            /* handles sameq here. This is not correct because it may
599
               not be a global option */
600
            if (same_quality) {
601
                big_picture.quality = ist->st->quality;
602
            }else
603
                big_picture.quality = ost->st->quality;
604
            
605
            ret = avcodec_encode_video(enc, 
606
                                       video_buffer, VIDEO_BUFFER_SIZE,
607
                                       &big_picture);
608
            //enc->frame_number = enc->real_pict_num;
609
            av_write_frame(s, ost->index, video_buffer, ret);
610
            *frame_size = ret;
611
            //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
612
            //        enc->frame_number-1, enc->real_pict_num, ret,
613
            //        enc->pict_type);
614
            /* if two pass, output log */
615
            if (ost->logfile && enc->stats_out) {
616
                fprintf(ost->logfile, "%s", enc->stats_out);
617
            }
618
        }
619
        ost->frame_number++;
620
    }
621
 the_end:
622
    av_free(buf);
623
    av_free(buf1);
624
}
625

    
626
static double psnr(double d){
627
    if(d==0) return INFINITY;
628
    return -10.0*log(d)/log(10.0);
629
}
630

    
631
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost, 
632
                           int frame_size)
633
{
634
    static FILE *fvstats=NULL;
635
    static int64_t total_size = 0;
636
    char filename[40];
637
    time_t today2;
638
    struct tm *today;
639
    AVCodecContext *enc;
640
    int frame_number;
641
    int64_t ti;
642
    double ti1, bitrate, avg_bitrate;
643
    
644
    if (!fvstats) {
645
        today2 = time(NULL);
646
        today = localtime(&today2);
647
        sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
648
                                               today->tm_min,
649
                                               today->tm_sec);
650
        fvstats = fopen(filename,"w");
651
        if (!fvstats) {
652
            perror("fopen");
653
            exit(1);
654
        }
655
    }
656
    
657
    ti = MAXINT64;
658
    enc = &ost->st->codec;
659
    total_size += frame_size;
660
    if (enc->codec_type == CODEC_TYPE_VIDEO) {
661
        frame_number = ost->frame_number;
662
        fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality);
663
        if (enc->flags&CODEC_FLAG_PSNR)
664
            fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
665
        
666
        fprintf(fvstats,"f_size= %6d ", frame_size);
667
        /* compute pts value */
668
        ti1 = (double)ost->st->pts.val * os->pts_num / os->pts_den;
669
        if (ti1 < 0.01)
670
            ti1 = 0.01;
671
    
672
        bitrate = (double)(frame_size * 8) * enc->frame_rate / enc->frame_rate_base / 1000.0;
673
        avg_bitrate = (double)(total_size * 8) / ti1 / 1000.0;
674
        fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
675
            (double)total_size / 1024, ti1, bitrate, avg_bitrate);
676
        fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));        
677
    }
678
}
679

    
680
static void print_report(AVFormatContext **output_files,
681
                         AVOutputStream **ost_table, int nb_ostreams,
682
                         int is_last_report)
683
{
684
    char buf[1024];
685
    AVOutputStream *ost;
686
    AVFormatContext *oc, *os;
687
    int64_t total_size;
688
    AVCodecContext *enc;
689
    int frame_number, vid, i;
690
    double bitrate, ti1, pts;
691
    static int64_t last_time = -1;
692
    
693
    if (!is_last_report) {
694
        int64_t cur_time;
695
        /* display the report every 0.5 seconds */
696
        cur_time = av_gettime();
697
        if (last_time == -1) {
698
            last_time = cur_time;
699
            return;
700
        } 
701
        if ((cur_time - last_time) < 500000)
702
            return;
703
        last_time = cur_time;
704
    }
705

    
706

    
707
    oc = output_files[0];
708

    
709
    total_size = url_ftell(&oc->pb);
710
    
711
    buf[0] = '\0';
712
    ti1 = 1e10;
713
    vid = 0;
714
    for(i=0;i<nb_ostreams;i++) {
715
        ost = ost_table[i];
716
        os = output_files[ost->file_index];
717
        enc = &ost->st->codec;
718
        if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
719
            sprintf(buf + strlen(buf), "q=%2.1f ",
720
                    enc->coded_frame->quality);
721
        }
722
        if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
723
            frame_number = ost->frame_number;
724
            sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
725
                    frame_number, enc->coded_frame ? enc->coded_frame->quality : 0);
726
            if (enc->flags&CODEC_FLAG_PSNR)
727
                sprintf(buf + strlen(buf), "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
728
            vid = 1;
729
        }
730
        /* compute min output value */
731
        pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
732
        if ((pts < ti1) && (pts > 0))
733
            ti1 = pts;
734
    }
735
    if (ti1 < 0.01)
736
        ti1 = 0.01;
737
    
738
    if (verbose || is_last_report) {
739
        bitrate = (double)(total_size * 8) / ti1 / 1000.0;
740
        
741
        sprintf(buf + strlen(buf), 
742
            "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
743
            (double)total_size / 1024, ti1, bitrate);
744
        
745
        fprintf(stderr, "%s    \r", buf);
746
        fflush(stderr);
747
    }
748
        
749
    if (is_last_report)
750
        fprintf(stderr, "\n");
751
}
752

    
753
/*
754
 * The following code is the main loop of the file converter
755
 */
756
static int av_encode(AVFormatContext **output_files,
757
                     int nb_output_files,
758
                     AVFormatContext **input_files,
759
                     int nb_input_files,
760
                     AVStreamMap *stream_maps, int nb_stream_maps)
761
{
762
    int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
763
    AVFormatContext *is, *os;
764
    AVCodecContext *codec, *icodec;
765
    AVOutputStream *ost, **ost_table = NULL;
766
    AVInputStream *ist, **ist_table = NULL;
767
    AVInputFile *file_table;
768
    AVFormatContext *stream_no_data;
769
    int key;
770

    
771
    file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
772
    if (!file_table)
773
        goto fail;
774

    
775
    /* input stream init */
776
    j = 0;
777
    for(i=0;i<nb_input_files;i++) {
778
        is = input_files[i];
779
        file_table[i].ist_index = j;
780
        file_table[i].nb_streams = is->nb_streams;
781
        j += is->nb_streams;
782
    }
783
    nb_istreams = j;
784

    
785
    ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
786
    if (!ist_table)
787
        goto fail;
788
    
789
    for(i=0;i<nb_istreams;i++) {
790
        ist = av_mallocz(sizeof(AVInputStream));
791
        if (!ist)
792
            goto fail;
793
        ist_table[i] = ist;
794
    }
795
    j = 0;
796
    for(i=0;i<nb_input_files;i++) {
797
        is = input_files[i];
798
        for(k=0;k<is->nb_streams;k++) {
799
            ist = ist_table[j++];
800
            ist->st = is->streams[k];
801
            ist->file_index = i;
802
            ist->index = k;
803
            ist->discard = 1; /* the stream is discarded by default
804
                                 (changed later) */
805

    
806
            if (ist->st->codec.rate_emu) {
807
                ist->start = av_gettime();
808
                ist->frame = 0;
809
            }
810
        }
811
    }
812

    
813
    /* output stream init */
814
    nb_ostreams = 0;
815
    for(i=0;i<nb_output_files;i++) {
816
        os = output_files[i];
817
        nb_ostreams += os->nb_streams;
818
    }
819
    if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
820
        fprintf(stderr, "Number of stream maps must match number of output streams\n");
821
        exit(1);
822
    }
823

    
824
    /* Sanity check the mapping args -- do the input files & streams exist? */
825
    for(i=0;i<nb_stream_maps;i++) {
826
        int fi = stream_maps[i].file_index;
827
        int si = stream_maps[i].stream_index;
828
        
829
        if (fi < 0 || fi > nb_input_files - 1 ||
830
            si < 0 || si > file_table[fi].nb_streams - 1) {
831
            fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
832
            exit(1);
833
        }
834
    }
835
    
836
    ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
837
    if (!ost_table)
838
        goto fail;
839
    for(i=0;i<nb_ostreams;i++) {
840
        ost = av_mallocz(sizeof(AVOutputStream));
841
        if (!ost)
842
            goto fail;
843
        ost_table[i] = ost;
844
    }
845
    
846
    n = 0;
847
    for(k=0;k<nb_output_files;k++) {
848
        os = output_files[k];
849
        for(i=0;i<os->nb_streams;i++) {
850
            int found;
851
            ost = ost_table[n++];
852
            ost->file_index = k;
853
            ost->index = i;
854
            ost->st = os->streams[i];
855
            if (nb_stream_maps > 0) {
856
                ost->source_index = file_table[stream_maps[n-1].file_index].ist_index + 
857
                    stream_maps[n-1].stream_index;
858
                    
859
                /* Sanity check that the stream types match */
860
                if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) {
861
                    fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
862
                        stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
863
                        ost->file_index, ost->index);
864
                    exit(1);
865
                }
866
                
867
            } else {
868
                /* get corresponding input stream index : we select the first one with the right type */
869
                found = 0;
870
                for(j=0;j<nb_istreams;j++) {
871
                    ist = ist_table[j];
872
                    if (ist->discard && 
873
                        ist->st->codec.codec_type == ost->st->codec.codec_type) {
874
                        ost->source_index = j;
875
                        found = 1;
876
                    }
877
                }
878
                
879
                if (!found) {
880
                    /* try again and reuse existing stream */
881
                    for(j=0;j<nb_istreams;j++) {
882
                        ist = ist_table[j];
883
                        if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
884
                            ost->source_index = j;
885
                            found = 1;
886
                        }
887
                    }
888
                    if (!found) {
889
                        fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
890
                                ost->file_index, ost->index);
891
                        exit(1);
892
                    }
893
                }
894
            }
895
            ist = ist_table[ost->source_index];
896
            ist->discard = 0;
897
        }
898
    }
899

    
900
    /* for each output stream, we compute the right encoding parameters */
901
    for(i=0;i<nb_ostreams;i++) {
902
        ost = ost_table[i];
903
        ist = ist_table[ost->source_index];
904

    
905
        codec = &ost->st->codec;
906
        icodec = &ist->st->codec;
907

    
908
        if (ost->st->stream_copy) {
909
            /* if stream_copy is selected, no need to decode or encode */
910
            codec->codec_id = icodec->codec_id;
911
            codec->codec_type = icodec->codec_type;
912
            codec->codec_tag = icodec->codec_tag;
913
            codec->bit_rate = icodec->bit_rate;
914
            switch(codec->codec_type) {
915
            case CODEC_TYPE_AUDIO:
916
                codec->sample_rate = icodec->sample_rate;
917
                codec->channels = icodec->channels;
918
                break;
919
            case CODEC_TYPE_VIDEO:
920
                codec->frame_rate = icodec->frame_rate;
921
                codec->frame_rate_base = icodec->frame_rate_base;
922
                codec->width = icodec->width;
923
                codec->height = icodec->height;
924
                break;
925
            default:
926
                av_abort();
927
            }
928
        } else {
929
            switch(codec->codec_type) {
930
            case CODEC_TYPE_AUDIO:
931
                if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
932
                    goto fail;
933
                
934
                if (codec->channels == icodec->channels &&
935
                    codec->sample_rate == icodec->sample_rate) {
936
                    ost->audio_resample = 0;
937
                } else {
938
                    if (codec->channels != icodec->channels &&
939
                        icodec->codec_id == CODEC_ID_AC3) {
940
                        /* Special case for 5:1 AC3 input */
941
                        /* and mono or stereo output      */
942
                        /* Request specific number of channels */
943
                        icodec->channels = codec->channels;
944
                        if (codec->sample_rate == icodec->sample_rate)
945
                            ost->audio_resample = 0;
946
                        else {
947
                            ost->audio_resample = 1;
948
                            ost->resample = audio_resample_init(codec->channels, icodec->channels,
949
                                                        codec->sample_rate, 
950
                                                        icodec->sample_rate);
951
                            if(!ost->resample)
952
                              {
953
                                printf("Can't resample.  Aborting.\n");
954
                                av_abort();
955
                              }
956
                        }
957
                        /* Request specific number of channels */
958
                        icodec->channels = codec->channels;
959
                    } else {
960
                        ost->audio_resample = 1; 
961
                        ost->resample = audio_resample_init(codec->channels, icodec->channels,
962
                                                        codec->sample_rate, 
963
                                                        icodec->sample_rate);
964
                        if(!ost->resample)
965
                          {
966
                            printf("Can't resample.  Aborting.\n");
967
                            av_abort();
968
                          }
969
                    }
970
                }
971
                ist->decoding_needed = 1;
972
                ost->encoding_needed = 1;
973
                break;
974
            case CODEC_TYPE_VIDEO:
975
                if (codec->width == icodec->width &&
976
                    codec->height == icodec->height &&
977
                    frame_topBand == 0 &&
978
                    frame_bottomBand == 0 &&
979
                    frame_leftBand == 0 &&
980
                    frame_rightBand == 0)
981
                {
982
                    ost->video_resample = 0;
983
                    ost->video_crop = 0;
984
                } else if ((codec->width == icodec->width -
985
                                (frame_leftBand + frame_rightBand)) &&
986
                        (codec->height == icodec->height -
987
                                (frame_topBand  + frame_bottomBand)))
988
                {
989
                    ost->video_resample = 0;
990
                    ost->video_crop = 1;
991
                    ost->topBand = frame_topBand;
992
                    ost->leftBand = frame_leftBand;
993
                } else {
994
                    uint8_t *buf;
995
                    ost->video_resample = 1;
996
                    ost->video_crop = 0; // cropping is handled as part of resample
997
                    buf = av_malloc((codec->width * codec->height * 3) / 2);
998
                    if (!buf)
999
                        goto fail;
1000
                    ost->pict_tmp.data[0] = buf;
1001
                    ost->pict_tmp.data[1] = ost->pict_tmp.data[0] + (codec->width * codec->height);
1002
                    ost->pict_tmp.data[2] = ost->pict_tmp.data[1] + (codec->width * codec->height) / 4;
1003
                    ost->pict_tmp.linesize[0] = codec->width;
1004
                    ost->pict_tmp.linesize[1] = codec->width / 2;
1005
                    ost->pict_tmp.linesize[2] = codec->width / 2;
1006

    
1007
                    ost->img_resample_ctx = img_resample_full_init( 
1008
                                      ost->st->codec.width, ost->st->codec.height,
1009
                                      ist->st->codec.width, ist->st->codec.height,
1010
                                      frame_topBand, frame_bottomBand,
1011
                                      frame_leftBand, frame_rightBand);
1012
                }
1013
                ost->encoding_needed = 1;
1014
                ist->decoding_needed = 1;
1015
                break;
1016
            default:
1017
                av_abort();
1018
            }
1019
            /* two pass mode */
1020
            if (ost->encoding_needed && 
1021
                (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1022
                char logfilename[1024];
1023
                FILE *f;
1024
                int size;
1025
                char *logbuffer;
1026
                
1027
                snprintf(logfilename, sizeof(logfilename), "%s-%d.log", 
1028
                         pass_logfilename ? 
1029
                         pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1030
                if (codec->flags & CODEC_FLAG_PASS1) {
1031
                    f = fopen(logfilename, "w");
1032
                    if (!f) {
1033
                        perror(logfilename);
1034
                        exit(1);
1035
                    }
1036
                    ost->logfile = f;
1037
                } else {
1038
                    /* read the log file */
1039
                    f = fopen(logfilename, "r");
1040
                    if (!f) {
1041
                        perror(logfilename);
1042
                        exit(1);
1043
                    }
1044
                    fseek(f, 0, SEEK_END);
1045
                    size = ftell(f);
1046
                    fseek(f, 0, SEEK_SET);
1047
                    logbuffer = av_malloc(size + 1);
1048
                    if (!logbuffer) {
1049
                        fprintf(stderr, "Could not allocate log buffer\n");
1050
                        exit(1);
1051
                    }
1052
                    fread(logbuffer, 1, size, f);
1053
                    fclose(f);
1054
                    logbuffer[size] = '\0';
1055
                    codec->stats_in = logbuffer;
1056
                }
1057
            }
1058
        }
1059
    }
1060

    
1061
    /* dump the file output parameters - cannot be done before in case
1062
       of stream copy */
1063
    for(i=0;i<nb_output_files;i++) {
1064
        dump_format(output_files[i], i, output_files[i]->filename, 1);
1065
    }
1066

    
1067
    /* dump the stream mapping */
1068
    fprintf(stderr, "Stream mapping:\n");
1069
    for(i=0;i<nb_ostreams;i++) {
1070
        ost = ost_table[i];
1071
        fprintf(stderr, "  Stream #%d.%d -> #%d.%d\n",
1072
                ist_table[ost->source_index]->file_index,
1073
                ist_table[ost->source_index]->index,
1074
                ost->file_index, 
1075
                ost->index);
1076
    }
1077

    
1078
    /* open each encoder */
1079
    for(i=0;i<nb_ostreams;i++) {
1080
        ost = ost_table[i];
1081
        if (ost->encoding_needed) {
1082
            AVCodec *codec;
1083
            codec = avcodec_find_encoder(ost->st->codec.codec_id);
1084
            if (!codec) {
1085
                fprintf(stderr, "Unsupported codec for output stream #%d.%d\n", 
1086
                        ost->file_index, ost->index);
1087
                exit(1);
1088
            }
1089
            if (avcodec_open(&ost->st->codec, codec) < 0) {
1090
                fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n", 
1091
                        ost->file_index, ost->index);
1092
                exit(1);
1093
            }
1094
        }
1095
    }
1096

    
1097
    /* open each decoder */
1098
    for(i=0;i<nb_istreams;i++) {
1099
        ist = ist_table[i];
1100
        if (ist->decoding_needed) {
1101
            AVCodec *codec;
1102
            codec = avcodec_find_decoder(ist->st->codec.codec_id);
1103
            if (!codec) {
1104
                fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n", 
1105
                        ist->st->codec.codec_id, ist->file_index, ist->index);
1106
                exit(1);
1107
            }
1108
            if (avcodec_open(&ist->st->codec, codec) < 0) {
1109
                fprintf(stderr, "Error while opening codec for input stream #%d.%d\n", 
1110
                        ist->file_index, ist->index);
1111
                exit(1);
1112
            }
1113
            //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1114
            //    ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1115
            ist->frame_decoded = 1;
1116
        }
1117
    }
1118

    
1119
    /* init pts */
1120
    for(i=0;i<nb_istreams;i++) {
1121
        ist = ist_table[i];
1122
        is = input_files[ist->file_index];
1123
        ist->pts = 0;
1124
        if (ist->decoding_needed) {
1125
            switch (ist->st->codec.codec_type) {
1126
            case CODEC_TYPE_AUDIO:
1127
                av_frac_init(&ist->next_pts, 
1128
                             0, 0, (uint64_t)is->pts_num * ist->st->codec.sample_rate);
1129
                break;
1130
            case CODEC_TYPE_VIDEO:
1131
                av_frac_init(&ist->next_pts, 
1132
                             0, 0, (uint64_t)is->pts_num * ist->st->codec.frame_rate);
1133
                break;
1134
            default:
1135
                break;
1136
            }
1137
        }
1138
    }
1139
    
1140
    /* compute buffer size max (should use a complete heuristic) */
1141
    for(i=0;i<nb_input_files;i++) {
1142
        file_table[i].buffer_size_max = 2048;
1143
    }
1144

    
1145
    /* open files and write file headers */
1146
    for(i=0;i<nb_output_files;i++) {
1147
        os = output_files[i];
1148
        if (av_write_header(os) < 0) {
1149
            fprintf(stderr, "Could not write header for output file #%d (incorrect codec paramters ?)\n", i);
1150
            ret = -EINVAL;
1151
            goto fail;
1152
        }
1153
    }
1154

    
1155
#ifndef CONFIG_WIN32
1156
    if ( !using_stdin )
1157
        fprintf(stderr, "Press [q] to stop encoding\n");
1158
#endif
1159
    term_init();
1160

    
1161
    stream_no_data = 0;
1162
    key = -1;
1163

    
1164
    for(; received_sigterm == 0;) {
1165
        int file_index, ist_index;
1166
        AVPacket pkt;
1167
        uint8_t *ptr;
1168
        int len;
1169
        uint8_t *data_buf;
1170
        int data_size, got_picture;
1171
        AVPicture picture;
1172
        short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
1173
        void *buffer_to_free;
1174
        double pts_min;
1175
        
1176
    redo:
1177
        /* if 'q' pressed, exits */
1178
        if (!using_stdin) {
1179
            /* read_key() returns 0 on EOF */
1180
            key = read_key();
1181
            if (key == 'q')
1182
                break;
1183
        }
1184

    
1185
        /* select the stream that we must read now by looking at the
1186
           smallest output pts */
1187
        file_index = -1;
1188
        pts_min = 1e10;
1189
        for(i=0;i<nb_ostreams;i++) {
1190
            double pts;
1191
            ost = ost_table[i];
1192
            os = output_files[ost->file_index];
1193
            ist = ist_table[ost->source_index];
1194
            pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
1195
            if (!file_table[ist->file_index].eof_reached && 
1196
                pts < pts_min) {
1197
                pts_min = pts;
1198
                file_index = ist->file_index;
1199
            }
1200
        }
1201
        /* if none, if is finished */
1202
        if (file_index < 0) {
1203
            break;
1204
        }
1205

    
1206
        /* finish if recording time exhausted */
1207
        if (recording_time > 0 && pts_min >= (recording_time / 1000000.0))
1208
            break;
1209

    
1210
        /* read a packet from it and output it in the fifo */
1211
        is = input_files[file_index];
1212
        if (av_read_packet(is, &pkt) < 0) {
1213
            file_table[file_index].eof_reached = 1;
1214
            continue;
1215
        }
1216
        if (!pkt.size) {
1217
            stream_no_data = is;
1218
        } else {
1219
            stream_no_data = 0;
1220
        }
1221
        if (do_hex_dump) {
1222
            printf("stream #%d, size=%d:\n", pkt.stream_index, pkt.size);
1223
            av_hex_dump(pkt.data, pkt.size);
1224
        }
1225
        /* the following test is needed in case new streams appear
1226
           dynamically in stream : we ignore them */
1227
        if (pkt.stream_index >= file_table[file_index].nb_streams)
1228
            goto discard_packet;
1229
        ist_index = file_table[file_index].ist_index + pkt.stream_index;
1230
        ist = ist_table[ist_index];
1231
        if (ist->discard)
1232
            goto discard_packet;
1233

    
1234
        // printf("read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1235

    
1236
        len = pkt.size;
1237
        ptr = pkt.data;
1238
        while (len > 0) {
1239
            /* decode the packet if needed */
1240
            data_buf = NULL; /* fail safe */
1241
            data_size = 0;
1242
            if (ist->decoding_needed) {
1243
                /* NOTE1: we only take into account the PTS if a new
1244
                   frame has begun (MPEG semantics) */
1245
                /* NOTE2: even if the fraction is not initialized,
1246
                   av_frac_set can be used to set the integer part */
1247
                if (ist->frame_decoded) { 
1248
                    /* If pts is unavailable -- we have to use synthetic one */
1249
                    if( pkt.pts != AV_NOPTS_VALUE )
1250
                    {
1251
                        ist->pts = ist->next_pts.val = pkt.pts;
1252
                    }
1253
                    else
1254
                    {
1255
                        ist->pts = ist->next_pts.val;
1256
                    }
1257
                    ist->frame_decoded = 0;
1258
                }
1259

    
1260
                switch(ist->st->codec.codec_type) {
1261
                case CODEC_TYPE_AUDIO:
1262
                    /* XXX: could avoid copy if PCM 16 bits with same
1263
                       endianness as CPU */
1264
                    ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1265
                                               ptr, len);
1266
                    if (ret < 0)
1267
                        goto fail_decode;
1268
                    /* Some bug in mpeg audio decoder gives */
1269
                    /* data_size < 0, it seems they are overflows */
1270
                    if (data_size <= 0) {
1271
                        /* no audio frame */
1272
                        ptr += ret;
1273
                        len -= ret;
1274
                        continue;
1275
                    }
1276
                    data_buf = (uint8_t *)samples;
1277
                    av_frac_add(&ist->next_pts, 
1278
                                (uint64_t)is->pts_den * data_size / (2 * ist->st->codec.channels));
1279
                    break;
1280
                case CODEC_TYPE_VIDEO:
1281
                    {
1282
                        AVFrame big_picture;
1283

    
1284
                        data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1285
                        ret = avcodec_decode_video(&ist->st->codec, 
1286
                                                   &big_picture, &got_picture, ptr, len);
1287
                        picture= *(AVPicture*)&big_picture;
1288
                        ist->st->quality= big_picture.quality;
1289
                        if (ret < 0) {
1290
                        fail_decode:
1291
                            fprintf(stderr, "Error while decoding stream #%d.%d\n",
1292
                                    ist->file_index, ist->index);
1293
                            av_free_packet(&pkt);
1294
                            goto redo;
1295
                        }
1296
                        if (!got_picture) {
1297
                            /* no picture yet */
1298
                            ptr += ret;
1299
                            len -= ret;
1300
                            continue;
1301
                        }
1302
                        av_frac_add(&ist->next_pts, 
1303
                                    (uint64_t)is->pts_den * ist->st->codec.frame_rate_base);          
1304
                    }
1305
                    break;
1306
                default:
1307
                    goto fail_decode;
1308
                }
1309
            } else {
1310
                data_buf = ptr;
1311
                data_size = len;
1312
                ret = len;
1313
            }
1314
            ptr += ret;
1315
            len -= ret;
1316

    
1317
            buffer_to_free = 0;
1318
            if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1319
                pre_process_video_frame(ist, &picture, &buffer_to_free);
1320
            }
1321

    
1322
            ist->frame_decoded = 1;
1323

    
1324
            /* frame rate emulation */
1325
            if (ist->st->codec.rate_emu) {
1326
                int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.frame_rate_base, 1000000, ist->st->codec.frame_rate);
1327
                int64_t now = av_gettime() - ist->start;
1328
                if (pts > now)
1329
                    usleep(pts - now);
1330

    
1331
                ist->frame++;
1332
            }
1333

    
1334
#if 0
1335
            /* mpeg PTS deordering : if it is a P or I frame, the PTS
1336
               is the one of the next displayed one */
1337
            /* XXX: add mpeg4 too ? */
1338
            if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
1339
                if (ist->st->codec.pict_type != B_TYPE) {
1340
                    int64_t tmp;
1341
                    tmp = ist->last_ip_pts;
1342
                    ist->last_ip_pts  = ist->frac_pts.val;
1343
                    ist->frac_pts.val = tmp;
1344
                }
1345
            }
1346
#endif
1347
            /* transcode raw format, encode packets and output them */
1348

    
1349
            for(i=0;i<nb_ostreams;i++) {
1350
                int frame_size;
1351

    
1352
                ost = ost_table[i];
1353
                if (ost->source_index == ist_index) {
1354
                    os = output_files[ost->file_index];
1355

    
1356
#if 0
1357
                    printf("%d: got pts=%f %f\n", i, pkt.pts / 90000.0, 
1358
                           (ist->pts - ost->st->pts.val) / 90000.0);
1359
#endif
1360
                    /* set the input output pts pairs */
1361
                    ost->sync_ipts = (double)ist->pts * is->pts_num / 
1362
                        is->pts_den;
1363
                    /* XXX: take into account the various fifos,
1364
                       in particular for audio */
1365
                    ost->sync_opts = ost->st->pts.val;
1366
                    //printf("ipts=%lld sync_ipts=%f sync_opts=%lld pts.val=%lld pkt.pts=%lld\n", ist->pts, ost->sync_ipts, ost->sync_opts, ost->st->pts.val, pkt.pts); 
1367

    
1368
                    if (ost->encoding_needed) {
1369
                        switch(ost->st->codec.codec_type) {
1370
                        case CODEC_TYPE_AUDIO:
1371
                            do_audio_out(os, ost, ist, data_buf, data_size);
1372
                            break;
1373
                        case CODEC_TYPE_VIDEO:
1374
                            /* find an audio stream for synchro */
1375
                            {
1376
                                int i;
1377
                                AVOutputStream *audio_sync, *ost1;
1378
                                audio_sync = NULL;
1379
                                for(i=0;i<nb_ostreams;i++) {
1380
                                    ost1 = ost_table[i];
1381
                                    if (ost1->file_index == ost->file_index &&
1382
                                        ost1->st->codec.codec_type == CODEC_TYPE_AUDIO) {
1383
                                        audio_sync = ost1;
1384
                                        break;
1385
                                    }
1386
                                }
1387

    
1388
                                do_video_out(os, ost, ist, &picture, &frame_size, audio_sync);
1389
                                if (do_vstats && frame_size)
1390
                                    do_video_stats(os, ost, frame_size);
1391
                            }
1392
                            break;
1393
                        default:
1394
                            av_abort();
1395
                        }
1396
                    } else {
1397
                        AVFrame avframe;
1398
                                                
1399
                        /* no reencoding needed : output the packet directly */
1400
                        /* force the input stream PTS */
1401
                        
1402
                        memset(&avframe, 0, sizeof(AVFrame));
1403
                        ost->st->codec.coded_frame= &avframe;
1404
                        avframe.key_frame = pkt.flags & PKT_FLAG_KEY; 
1405
                        
1406
                        av_write_frame(os, ost->index, data_buf, data_size);
1407
                        ost->st->codec.frame_number++;
1408
                        ost->frame_number++;
1409
                    }
1410
                }
1411
            }
1412
            av_free(buffer_to_free);
1413
        }
1414
    discard_packet:
1415
        av_free_packet(&pkt);
1416
        
1417
        /* dump report by using the output first video and audio streams */
1418
        print_report(output_files, ost_table, nb_ostreams, 0);
1419
    }
1420
    term_exit();
1421

    
1422
    /* dump report by using the first video and audio streams */
1423
    print_report(output_files, ost_table, nb_ostreams, 1);
1424

    
1425
    /* close each encoder */
1426
    for(i=0;i<nb_ostreams;i++) {
1427
        ost = ost_table[i];
1428
        if (ost->encoding_needed) {
1429
            av_freep(&ost->st->codec.stats_in);
1430
            avcodec_close(&ost->st->codec);
1431
        }
1432
    }
1433
    
1434
    /* close each decoder */
1435
    for(i=0;i<nb_istreams;i++) {
1436
        ist = ist_table[i];
1437
        if (ist->decoding_needed) {
1438
            avcodec_close(&ist->st->codec);
1439
        }
1440
    }
1441
    
1442

    
1443
    /* write the trailer if needed and close file */
1444
    for(i=0;i<nb_output_files;i++) {
1445
        os = output_files[i];
1446
        av_write_trailer(os);
1447
    }
1448
    /* finished ! */
1449
    
1450
    ret = 0;
1451
 fail1:
1452
    av_free(file_table);
1453

    
1454
    if (ist_table) {
1455
        for(i=0;i<nb_istreams;i++) {
1456
            ist = ist_table[i];
1457
            av_free(ist);
1458
        }
1459
        av_free(ist_table);
1460
    }
1461
    if (ost_table) {
1462
        for(i=0;i<nb_ostreams;i++) {
1463
            ost = ost_table[i];
1464
            if (ost) {
1465
                if (ost->logfile) {
1466
                    fclose(ost->logfile);
1467
                    ost->logfile = NULL;
1468
                }
1469
                fifo_free(&ost->fifo); /* works even if fifo is not
1470
                                          initialized but set to zero */
1471
                av_free(ost->pict_tmp.data[0]);
1472
                if (ost->video_resample)
1473
                    img_resample_close(ost->img_resample_ctx);
1474
                if (ost->audio_resample)
1475
                    audio_resample_close(ost->resample);
1476
                av_free(ost);
1477
            }
1478
        }
1479
        av_free(ost_table);
1480
    }
1481
    return ret;
1482
 fail:
1483
    ret = -ENOMEM;
1484
    goto fail1;
1485
}
1486

    
1487
#if 0
1488
int file_read(const char *filename)
1489
{
1490
    URLContext *h;
1491
    unsigned char buffer[1024];
1492
    int len, i;
1493

1494
    if (url_open(&h, filename, O_RDONLY) < 0) {
1495
        printf("could not open '%s'\n", filename);
1496
        return -1;
1497
    }
1498
    for(;;) {
1499
        len = url_read(h, buffer, sizeof(buffer));
1500
        if (len <= 0)
1501
            break;
1502
        for(i=0;i<len;i++) putchar(buffer[i]);
1503
    }
1504
    url_close(h);
1505
    return 0;
1506
}
1507
#endif
1508

    
1509
static void opt_image_format(const char *arg)
1510
{
1511
    AVImageFormat *f;
1512
    
1513
    for(f = first_image_format; f != NULL; f = f->next) {
1514
        if (!strcmp(arg, f->name))
1515
            break;
1516
    }
1517
    if (!f) {
1518
        fprintf(stderr, "Unknown image format: '%s'\n", arg);
1519
        exit(1);
1520
    }
1521
    image_format = f;
1522
}
1523

    
1524
static void opt_format(const char *arg)
1525
{
1526
    /* compatibility stuff for pgmyuv */
1527
    if (!strcmp(arg, "pgmyuv")) {
1528
        opt_image_format(arg);
1529
        arg = "image";
1530
    }
1531

    
1532
    file_iformat = av_find_input_format(arg);
1533
    file_oformat = guess_format(arg, NULL, NULL);
1534
    if (!file_iformat && !file_oformat) {
1535
        fprintf(stderr, "Unknown input or output format: %s\n", arg);
1536
        exit(1);
1537
    }
1538
}
1539

    
1540
static void opt_video_bitrate(const char *arg)
1541
{
1542
    video_bit_rate = atoi(arg) * 1000;
1543
}
1544

    
1545
static void opt_video_bitrate_tolerance(const char *arg)
1546
{
1547
    video_bit_rate_tolerance = atoi(arg) * 1000;
1548
}
1549

    
1550
static void opt_video_bitrate_max(const char *arg)
1551
{
1552
    video_rc_max_rate = atoi(arg) * 1000;
1553
}
1554

    
1555
static void opt_video_bitrate_min(const char *arg)
1556
{
1557
    video_rc_min_rate = atoi(arg) * 1000;
1558
}
1559

    
1560
static void opt_video_buffer_size(const char *arg)
1561
{
1562
    video_rc_buffer_size = atoi(arg) * 1000;
1563
}
1564

    
1565
static void opt_video_rc_eq(char *arg)
1566
{
1567
    video_rc_eq = arg;
1568
}
1569

    
1570
static void opt_video_rc_override_string(char *arg)
1571
{
1572
    video_rc_override_string = arg;
1573
}
1574

    
1575

    
1576
static void opt_workaround_bugs(const char *arg)
1577
{
1578
    workaround_bugs = atoi(arg);
1579
}
1580

    
1581
static void opt_dct_algo(const char *arg)
1582
{
1583
    dct_algo = atoi(arg);
1584
}
1585

    
1586
static void opt_idct_algo(const char *arg)
1587
{
1588
    idct_algo = atoi(arg);
1589
}
1590

    
1591

    
1592
static void opt_error_resilience(const char *arg)
1593
{
1594
    error_resilience = atoi(arg);
1595
}
1596

    
1597
static void opt_error_concealment(const char *arg)
1598
{
1599
    error_concealment = atoi(arg);
1600
}
1601

    
1602
static void opt_debug(const char *arg)
1603
{
1604
    debug = atoi(arg);
1605
}
1606

    
1607
static void opt_verbose(const char *arg)
1608
{
1609
    verbose = atoi(arg);
1610
}
1611

    
1612
static void opt_frame_rate(const char *arg)
1613
{
1614
    if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
1615
        fprintf(stderr, "Incorrect frame rate\n");
1616
        exit(1);
1617
    }
1618
}
1619

    
1620
static void opt_frame_crop_top(const char *arg)
1621
{
1622
    frame_topBand = atoi(arg); 
1623
    if (frame_topBand < 0) {
1624
        fprintf(stderr, "Incorrect top crop size\n");
1625
        exit(1);
1626
    }
1627
    if ((frame_topBand % 2) != 0) {
1628
        fprintf(stderr, "Top crop size must be a multiple of 2\n");
1629
        exit(1);
1630
    }
1631
    if ((frame_topBand) >= frame_height){
1632
            fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1633
        exit(1);
1634
    }
1635
    frame_height -= frame_topBand;
1636
}
1637

    
1638
static void opt_frame_crop_bottom(const char *arg)
1639
{
1640
    frame_bottomBand = atoi(arg);
1641
    if (frame_bottomBand < 0) {
1642
        fprintf(stderr, "Incorrect bottom crop size\n");
1643
        exit(1);
1644
    }
1645
    if ((frame_bottomBand % 2) != 0) {
1646
        fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
1647
        exit(1);        
1648
    }
1649
    if ((frame_bottomBand) >= frame_height){
1650
            fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1651
        exit(1);
1652
    }
1653
    frame_height -= frame_bottomBand;
1654
}
1655

    
1656
static void opt_frame_crop_left(const char *arg)
1657
{
1658
    frame_leftBand = atoi(arg);
1659
    if (frame_leftBand < 0) {
1660
        fprintf(stderr, "Incorrect left crop size\n");
1661
        exit(1);
1662
    }
1663
    if ((frame_leftBand % 2) != 0) {
1664
        fprintf(stderr, "Left crop size must be a multiple of 2\n");
1665
        exit(1);
1666
    }
1667
    if ((frame_leftBand) >= frame_width){
1668
            fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1669
        exit(1);
1670
    }
1671
    frame_width -= frame_leftBand;
1672
}
1673

    
1674
static void opt_frame_crop_right(const char *arg)
1675
{
1676
    frame_rightBand = atoi(arg);
1677
    if (frame_rightBand < 0) {
1678
        fprintf(stderr, "Incorrect right crop size\n");
1679
        exit(1);
1680
    }
1681
    if ((frame_rightBand % 2) != 0) {
1682
        fprintf(stderr, "Right crop size must be a multiple of 2\n");
1683
        exit(1);        
1684
    }
1685
    if ((frame_rightBand) >= frame_width){
1686
            fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1687
        exit(1);
1688
    }
1689
    frame_width -= frame_rightBand;
1690
}
1691

    
1692
static void opt_frame_size(const char *arg)
1693
{
1694
    if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
1695
        fprintf(stderr, "Incorrect frame size\n");
1696
        exit(1);
1697
    }
1698
    if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
1699
        fprintf(stderr, "Frame size must be a multiple of 2\n");
1700
        exit(1);
1701
    }
1702
}
1703

    
1704
static void opt_frame_pix_fmt(const char *arg)
1705
{
1706
    frame_pix_fmt = avcodec_get_pix_fmt(arg);
1707
}
1708

    
1709
static void opt_frame_aspect_ratio(const char *arg)
1710
{
1711
    int x = 0, y = 0;
1712
    double ar = 0;
1713
    const char *p;
1714
    
1715
    p = strchr(arg, ':');
1716
    if (p) {
1717
        x = strtol(arg, (char **)&arg, 10);
1718
        if (arg == p)
1719
            y = strtol(arg+1, (char **)&arg, 10);
1720
        if (x > 0 && y > 0)
1721
            ar = (double)x / (double)y;
1722
    } else
1723
        ar = strtod(arg, (char **)&arg);
1724

    
1725
    if (!ar) {
1726
        fprintf(stderr, "Incorrect aspect ratio specification.\n");
1727
        exit(1);
1728
    }
1729
    frame_aspect_ratio = ar;
1730
}
1731

    
1732
static void opt_gop_size(const char *arg)
1733
{
1734
    gop_size = atoi(arg);
1735
}
1736

    
1737
static void opt_b_frames(const char *arg)
1738
{
1739
    b_frames = atoi(arg);
1740
    if (b_frames > FF_MAX_B_FRAMES) {
1741
        fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
1742
        exit(1);
1743
    } else if (b_frames < 1) {
1744
        fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
1745
        exit(1);
1746
    }
1747
}
1748

    
1749
static void opt_mb_decision(const char *arg)
1750
{
1751
    mb_decision = atoi(arg);
1752
}
1753

    
1754
static void opt_qscale(const char *arg)
1755
{
1756
    video_qscale = atoi(arg);
1757
    if (video_qscale < 0 ||
1758
        video_qscale > 31) {
1759
        fprintf(stderr, "qscale must be >= 1 and <= 31\n");
1760
        exit(1);
1761
    }
1762
}
1763

    
1764
static void opt_qmin(const char *arg)
1765
{
1766
    video_qmin = atoi(arg);
1767
    if (video_qmin < 0 ||
1768
        video_qmin > 31) {
1769
        fprintf(stderr, "qmin must be >= 1 and <= 31\n");
1770
        exit(1);
1771
    }
1772
}
1773

    
1774
static void opt_qmax(const char *arg)
1775
{
1776
    video_qmax = atoi(arg);
1777
    if (video_qmax < 0 ||
1778
        video_qmax > 31) {
1779
        fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1780
        exit(1);
1781
    }
1782
}
1783

    
1784
static void opt_mb_qmin(const char *arg)
1785
{
1786
    video_mb_qmin = atoi(arg);
1787
    if (video_mb_qmin < 0 ||
1788
        video_mb_qmin > 31) {
1789
        fprintf(stderr, "qmin must be >= 1 and <= 31\n");
1790
        exit(1);
1791
    }
1792
}
1793

    
1794
static void opt_mb_qmax(const char *arg)
1795
{
1796
    video_mb_qmax = atoi(arg);
1797
    if (video_mb_qmax < 0 ||
1798
        video_mb_qmax > 31) {
1799
        fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1800
        exit(1);
1801
    }
1802
}
1803

    
1804
static void opt_qdiff(const char *arg)
1805
{
1806
    video_qdiff = atoi(arg);
1807
    if (video_qdiff < 0 ||
1808
        video_qdiff > 31) {
1809
        fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
1810
        exit(1);
1811
    }
1812
}
1813

    
1814
static void opt_qblur(const char *arg)
1815
{
1816
    video_qblur = atof(arg);
1817
}
1818

    
1819
static void opt_qcomp(const char *arg)
1820
{
1821
    video_qcomp = atof(arg);
1822
}
1823

    
1824
static void opt_rc_initial_cplx(const char *arg)
1825
{
1826
    video_rc_initial_cplx = atof(arg);
1827
}
1828
static void opt_b_qfactor(const char *arg)
1829
{
1830
    video_b_qfactor = atof(arg);
1831
}
1832
static void opt_i_qfactor(const char *arg)
1833
{
1834
    video_i_qfactor = atof(arg);
1835
}
1836
static void opt_b_qoffset(const char *arg)
1837
{
1838
    video_b_qoffset = atof(arg);
1839
}
1840
static void opt_i_qoffset(const char *arg)
1841
{
1842
    video_i_qoffset = atof(arg);
1843
}
1844

    
1845
static void opt_packet_size(const char *arg)
1846
{
1847
    packet_size= atoi(arg);
1848
}
1849

    
1850
static void opt_strict(const char *arg)
1851
{
1852
    strict= atoi(arg);
1853
}
1854

    
1855
static void opt_audio_bitrate(const char *arg)
1856
{
1857
    audio_bit_rate = atoi(arg) * 1000;
1858
}
1859

    
1860
static void opt_audio_rate(const char *arg)
1861
{
1862
    audio_sample_rate = atoi(arg);
1863
}
1864

    
1865
static void opt_audio_channels(const char *arg)
1866
{
1867
    audio_channels = atoi(arg);
1868
}
1869

    
1870
static void opt_video_device(const char *arg)
1871
{
1872
    video_device = av_strdup(arg);
1873
}
1874

    
1875
static void opt_video_channel(const char *arg)
1876
{
1877
    video_channel = strtol(arg, NULL, 0);
1878
}
1879

    
1880
static void opt_video_standard(const char *arg)
1881
{
1882
    video_standard = av_strdup(arg);
1883
}
1884

    
1885
static void opt_audio_device(const char *arg)
1886
{
1887
    audio_device = av_strdup(arg);
1888
}
1889

    
1890
static void opt_dv1394(const char *arg)
1891
{
1892
    video_grab_format = "dv1394";
1893
    audio_grab_format = NULL;
1894
}
1895

    
1896
static void opt_audio_codec(const char *arg)
1897
{
1898
    AVCodec *p;
1899

    
1900
    if (!strcmp(arg, "copy")) {
1901
        audio_stream_copy = 1;
1902
    } else {
1903
        p = first_avcodec;
1904
        while (p) {
1905
            if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
1906
                break;
1907
            p = p->next;
1908
        }
1909
        if (p == NULL) {
1910
            fprintf(stderr, "Unknown audio codec '%s'\n", arg);
1911
            exit(1);
1912
        } else {
1913
            audio_codec_id = p->id;
1914
        }
1915
    }
1916
}
1917

    
1918
static void add_frame_hooker(const char *arg)
1919
{
1920
    int argc = 0;
1921
    char *argv[64];
1922
    int i;
1923
    char *args = av_strdup(arg);
1924

    
1925
    using_vhook = 1;
1926

    
1927
    argv[0] = strtok(args, " ");
1928
    while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
1929
    }
1930

    
1931
    i = frame_hook_add(argc, argv);
1932

    
1933
    if (i != 0) {
1934
        fprintf(stderr, "Failed to add video hook function: %s\n", arg);
1935
        exit(1);
1936
    }
1937
}
1938

    
1939
const char *motion_str[] = {
1940
    "zero",
1941
    "full",
1942
    "log",
1943
    "phods",
1944
    "epzs",
1945
    "x1",
1946
    NULL,
1947
};
1948

    
1949
static void opt_motion_estimation(const char *arg)
1950
{
1951
    const char **p;
1952
    p = motion_str;
1953
    for(;;) {
1954
        if (!*p) {
1955
            fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
1956
            exit(1);
1957
        }
1958
        if (!strcmp(*p, arg))
1959
            break;
1960
        p++;
1961
    }
1962
    me_method = (p - motion_str) + 1;
1963
}
1964

    
1965
static void opt_video_codec(const char *arg)
1966
{
1967
    AVCodec *p;
1968

    
1969
    if (!strcmp(arg, "copy")) {
1970
        video_stream_copy = 1;
1971
    } else {
1972
        p = first_avcodec;
1973
        while (p) {
1974
            if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
1975
                break;
1976
            p = p->next;
1977
        }
1978
        if (p == NULL) {
1979
            fprintf(stderr, "Unknown video codec '%s'\n", arg);
1980
            exit(1);
1981
        } else {
1982
            video_codec_id = p->id;
1983
        }
1984
    }
1985
}
1986

    
1987
static void opt_map(const char *arg)
1988
{
1989
    AVStreamMap *m;
1990
    const char *p;
1991

    
1992
    p = arg;
1993
    m = &stream_maps[nb_stream_maps++];
1994

    
1995
    m->file_index = strtol(arg, (char **)&p, 0);
1996
    if (*p)
1997
        p++;
1998

    
1999
    m->stream_index = strtol(p, (char **)&p, 0);
2000
}
2001

    
2002
static void opt_recording_time(const char *arg)
2003
{
2004
    recording_time = parse_date(arg, 1);
2005
}
2006

    
2007
static void opt_input_file(const char *filename)
2008
{
2009
    AVFormatContext *ic;
2010
    AVFormatParameters params, *ap = &params;
2011
    int err, i, ret, rfps, rfps_base;
2012

    
2013
    if (!strcmp(filename, "-"))
2014
        filename = "pipe:";
2015

    
2016
    using_stdin |= !strcmp(filename, "pipe:" ) || 
2017
                   !strcmp( filename, "/dev/stdin" );
2018

    
2019
    /* get default parameters from command line */
2020
    memset(ap, 0, sizeof(*ap));
2021
    ap->sample_rate = audio_sample_rate;
2022
    ap->channels = audio_channels;
2023
    ap->frame_rate = frame_rate;
2024
    ap->frame_rate_base = frame_rate_base;
2025
    ap->width = frame_width;
2026
    ap->height = frame_height;
2027
    ap->image_format = image_format;
2028
    ap->pix_fmt = frame_pix_fmt;
2029

    
2030
    /* open the input file with generic libav function */
2031
    err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2032
    if (err < 0) {
2033
        print_error(filename, err);
2034
        exit(1);
2035
    }
2036
    
2037
    /* If not enough info to get the stream parameters, we decode the
2038
       first frames to get it. (used in mpeg case for example) */
2039
    ret = av_find_stream_info(ic);
2040
    if (ret < 0) {
2041
        fprintf(stderr, "%s: could not find codec parameters\n", filename);
2042
        exit(1);
2043
    }
2044

    
2045
    /* update the current parameters so that they match the one of the input stream */
2046
    for(i=0;i<ic->nb_streams;i++) {
2047
        AVCodecContext *enc = &ic->streams[i]->codec;
2048
        switch(enc->codec_type) {
2049
        case CODEC_TYPE_AUDIO:
2050
            //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2051
            audio_channels = enc->channels;
2052
            audio_sample_rate = enc->sample_rate;
2053
            break;
2054
        case CODEC_TYPE_VIDEO:
2055
            frame_height = enc->height;
2056
            frame_width = enc->width;
2057
            frame_aspect_ratio = enc->aspect_ratio;
2058
            frame_pix_fmt = enc->pix_fmt;
2059
            rfps      = ic->streams[i]->r_frame_rate;
2060
            rfps_base = ic->streams[i]->r_frame_rate_base;
2061
            enc->workaround_bugs = workaround_bugs;
2062
            enc->error_resilience = error_resilience; 
2063
            enc->error_concealment = error_concealment; 
2064
            enc->idct_algo= idct_algo;
2065
            enc->debug= debug;
2066
/*            if(enc->codec->capabilities & CODEC_CAP_TRUNCATED)
2067
                enc->flags|= CODEC_FLAG_TRUNCATED; */
2068
            if(/*enc->codec_id==CODEC_ID_MPEG4 || */enc->codec_id==CODEC_ID_MPEG1VIDEO || enc->codec_id==CODEC_ID_H264)
2069
                enc->flags|= CODEC_FLAG_TRUNCATED;
2070
            
2071
            if(bitexact)
2072
                enc->flags|= CODEC_FLAG_BITEXACT;
2073

    
2074
            assert(enc->frame_rate_base == rfps_base); // should be true for now
2075
            if (enc->frame_rate != rfps) { 
2076
                fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
2077
                    i, (float)enc->frame_rate / enc->frame_rate_base,
2078
                    (float)rfps / rfps_base);
2079
            }
2080
            /* update the current frame rate to match the stream frame rate */
2081
            frame_rate      = rfps;
2082
            frame_rate_base = rfps_base;
2083

    
2084
            enc->rate_emu = rate_emu;
2085
            break;
2086
        default:
2087
            av_abort();
2088
        }
2089
    }
2090
    
2091
    input_files[nb_input_files] = ic;
2092
    /* dump the file content */
2093
    dump_format(ic, nb_input_files, filename, 0);
2094
    nb_input_files++;
2095
    file_iformat = NULL;
2096
    file_oformat = NULL;
2097
    image_format = NULL;
2098

    
2099
    rate_emu = 0;
2100
}
2101

    
2102
static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2103
{
2104
    int has_video, has_audio, i, j;
2105
    AVFormatContext *ic;
2106

    
2107
    has_video = 0;
2108
    has_audio = 0;
2109
    for(j=0;j<nb_input_files;j++) {
2110
        ic = input_files[j];
2111
        for(i=0;i<ic->nb_streams;i++) {
2112
            AVCodecContext *enc = &ic->streams[i]->codec;
2113
            switch(enc->codec_type) {
2114
            case CODEC_TYPE_AUDIO:
2115
                has_audio = 1;
2116
                break;
2117
            case CODEC_TYPE_VIDEO:
2118
                has_video = 1;
2119
                break;
2120
            default:
2121
                av_abort();
2122
            }
2123
        }
2124
    }
2125
    *has_video_ptr = has_video;
2126
    *has_audio_ptr = has_audio;
2127
}
2128

    
2129
static void opt_output_file(const char *filename)
2130
{
2131
    AVStream *st;
2132
    AVFormatContext *oc;
2133
    int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
2134
    int codec_id;
2135
    AVFormatParameters params, *ap = &params;
2136

    
2137
    if (!strcmp(filename, "-"))
2138
        filename = "pipe:";
2139

    
2140
    oc = av_mallocz(sizeof(AVFormatContext));
2141

    
2142
    if (!file_oformat) {
2143
        file_oformat = guess_format(NULL, filename, NULL);
2144
        if (!file_oformat) {
2145
            fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2146
                    filename);
2147
            exit(1);
2148
        }
2149
    }
2150
    
2151
    oc->oformat = file_oformat;
2152

    
2153
    if (!strcmp(file_oformat->name, "ffm") && 
2154
        strstart(filename, "http:", NULL)) {
2155
        /* special case for files sent to ffserver: we get the stream
2156
           parameters from ffserver */
2157
        if (read_ffserver_streams(oc, filename) < 0) {
2158
            fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2159
            exit(1);
2160
        }
2161
    } else {
2162
        use_video = file_oformat->video_codec != CODEC_ID_NONE;
2163
        use_audio = file_oformat->audio_codec != CODEC_ID_NONE;
2164

    
2165
        /* disable if no corresponding type found and at least one
2166
           input file */
2167
        if (nb_input_files > 0) {
2168
            check_audio_video_inputs(&input_has_video, &input_has_audio);
2169
            if (!input_has_video)
2170
                use_video = 0;
2171
            if (!input_has_audio)
2172
                use_audio = 0;
2173
        }
2174

    
2175
        /* manual disable */
2176
        if (audio_disable) {
2177
            use_audio = 0;
2178
        }
2179
        if (video_disable) {
2180
            use_video = 0;
2181
        }
2182
        
2183
        nb_streams = 0;
2184
        if (use_video) {
2185
            AVCodecContext *video_enc;
2186
            
2187
            st = av_mallocz(sizeof(AVStream));
2188
            if (!st) {
2189
                fprintf(stderr, "Could not alloc stream\n");
2190
                exit(1);
2191
            }
2192
            avcodec_get_context_defaults(&st->codec);
2193

    
2194
            video_enc = &st->codec;
2195
            
2196
            if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
2197
                video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2198
            if (video_stream_copy) {
2199
                st->stream_copy = 1;
2200
                video_enc->codec_type = CODEC_TYPE_VIDEO;
2201
            } else {
2202
                char *p;
2203
                int i;
2204
            
2205
                codec_id = file_oformat->video_codec;
2206
                if (video_codec_id != CODEC_ID_NONE)
2207
                    codec_id = video_codec_id;
2208
                
2209
                video_enc->codec_id = codec_id;
2210
                
2211
                video_enc->bit_rate = video_bit_rate;
2212
                video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
2213
                video_enc->frame_rate = frame_rate; 
2214
                video_enc->frame_rate_base = frame_rate_base; 
2215
                
2216
                video_enc->width = frame_width;
2217
                video_enc->height = frame_height;
2218
                video_enc->aspect_ratio = frame_aspect_ratio;
2219
                video_enc->pix_fmt = frame_pix_fmt;
2220

    
2221
                if (!intra_only)
2222
                    video_enc->gop_size = gop_size;
2223
                else
2224
                    video_enc->gop_size = 0;
2225
                if (video_qscale || same_quality) {
2226
                    video_enc->flags |= CODEC_FLAG_QSCALE;
2227
                    st->quality = video_qscale;
2228
                }
2229
                
2230
                if(bitexact)
2231
                    video_enc->flags |= CODEC_FLAG_BITEXACT;
2232

    
2233
                video_enc->mb_decision = mb_decision;
2234
                
2235
                if (use_umv) {
2236
                    video_enc->flags |= CODEC_FLAG_H263P_UMV;
2237
                }
2238
                   if (use_aic) {
2239
                    video_enc->flags |= CODEC_FLAG_H263P_AIC;
2240
                }
2241
                if (use_4mv) {
2242
                    video_enc->mb_decision = FF_MB_DECISION_BITS; //FIXME remove
2243
                    video_enc->flags |= CODEC_FLAG_4MV;
2244
                }
2245
            
2246
                if(use_part)
2247
                    video_enc->flags |= CODEC_FLAG_PART;
2248
               
2249
            
2250
                if (b_frames) {
2251
                    video_enc->max_b_frames = b_frames;
2252
                    video_enc->b_frame_strategy = 0;
2253
                    video_enc->b_quant_factor = 2.0;
2254
                }
2255
            
2256
                video_enc->qmin = video_qmin;
2257
                video_enc->qmax = video_qmax;
2258
                video_enc->mb_qmin = video_mb_qmin;
2259
                video_enc->mb_qmax = video_mb_qmax;
2260
                video_enc->max_qdiff = video_qdiff;
2261
                video_enc->qblur = video_qblur;
2262
                video_enc->qcompress = video_qcomp;
2263
                video_enc->rc_eq = video_rc_eq;
2264
                video_enc->debug= debug;
2265
                
2266
                p= video_rc_override_string;
2267
                for(i=0; p; i++){
2268
                    int start, end, q;
2269
                    int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2270
                    if(e!=3){
2271
                        fprintf(stderr, "error parsing rc_override\n");
2272
                        exit(1);
2273
                    }
2274
                    video_enc->rc_override= 
2275
                        av_realloc(video_enc->rc_override, 
2276
                                   sizeof(RcOverride)*(i+1));
2277
                    video_enc->rc_override[i].start_frame= start;
2278
                    video_enc->rc_override[i].end_frame  = end;
2279
                    if(q>0){
2280
                        video_enc->rc_override[i].qscale= q;
2281
                        video_enc->rc_override[i].quality_factor= 1.0;
2282
                    }
2283
                    else{
2284
                        video_enc->rc_override[i].qscale= 0;
2285
                        video_enc->rc_override[i].quality_factor= -q/100.0;
2286
                    }
2287
                    p= strchr(p, '/');
2288
                    if(p) p++;
2289
                }
2290
                video_enc->rc_override_count=i;
2291

    
2292
                video_enc->rc_max_rate = video_rc_max_rate;
2293
                video_enc->rc_min_rate = video_rc_min_rate;
2294
                video_enc->rc_buffer_size = video_rc_buffer_size;
2295
                video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
2296
                video_enc->rc_initial_cplx= video_rc_initial_cplx;
2297
                video_enc->i_quant_factor = video_i_qfactor;
2298
                video_enc->b_quant_factor = video_b_qfactor;
2299
                video_enc->i_quant_offset = video_i_qoffset;
2300
                video_enc->b_quant_offset = video_b_qoffset;
2301
                video_enc->dct_algo = dct_algo;
2302
                video_enc->idct_algo = idct_algo;
2303
                video_enc->strict_std_compliance = strict;
2304
                if(packet_size){
2305
                    video_enc->rtp_mode= 1;
2306
                    video_enc->rtp_payload_size= packet_size;
2307
                }
2308
            
2309
                if (do_psnr)
2310
                    video_enc->flags|= CODEC_FLAG_PSNR;
2311
            
2312
                video_enc->me_method = me_method;
2313

    
2314
                /* two pass mode */
2315
                if (do_pass) {
2316
                    if (do_pass == 1) {
2317
                        video_enc->flags |= CODEC_FLAG_PASS1;
2318
                    } else {
2319
                        video_enc->flags |= CODEC_FLAG_PASS2;
2320
                    }
2321
                }
2322
            }
2323
            oc->streams[nb_streams] = st;
2324
            nb_streams++;
2325
        }
2326
    
2327
        if (use_audio) {
2328
            AVCodecContext *audio_enc;
2329

    
2330
            st = av_mallocz(sizeof(AVStream));
2331
            if (!st) {
2332
                fprintf(stderr, "Could not alloc stream\n");
2333
                exit(1);
2334
            }
2335
            avcodec_get_context_defaults(&st->codec);
2336

    
2337
            audio_enc = &st->codec;
2338
            audio_enc->codec_type = CODEC_TYPE_AUDIO;
2339
            if (audio_stream_copy) {
2340
                st->stream_copy = 1;
2341
            } else {
2342
                codec_id = file_oformat->audio_codec;
2343
                if (audio_codec_id != CODEC_ID_NONE)
2344
                    codec_id = audio_codec_id;
2345
                audio_enc->codec_id = codec_id;
2346
                
2347
                audio_enc->bit_rate = audio_bit_rate;
2348
                audio_enc->sample_rate = audio_sample_rate;
2349
                /* For audio codecs other than AC3 we limit */
2350
                /* the number of coded channels to stereo   */
2351
                if (audio_channels > 2 && codec_id != CODEC_ID_AC3) {
2352
                    audio_enc->channels = 2;
2353
                } else
2354
                    audio_enc->channels = audio_channels;
2355
            }
2356
            oc->streams[nb_streams] = st;
2357
            nb_streams++;
2358
        }
2359

    
2360
        oc->nb_streams = nb_streams;
2361

    
2362
        if (!nb_streams) {
2363
            fprintf(stderr, "No audio or video streams available\n");
2364
            exit(1);
2365
        }
2366

    
2367
        if (str_title)
2368
            pstrcpy(oc->title, sizeof(oc->title), str_title);
2369
        if (str_author)
2370
            pstrcpy(oc->author, sizeof(oc->author), str_author);
2371
        if (str_copyright)
2372
            pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
2373
        if (str_comment)
2374
            pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
2375
    }
2376

    
2377
    output_files[nb_output_files++] = oc;
2378

    
2379
    strcpy(oc->filename, filename);
2380

    
2381
    /* check filename in case of an image number is expected */
2382
    if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
2383
        if (filename_number_test(oc->filename) < 0) {
2384
            print_error(oc->filename, AVERROR_NUMEXPECTED);
2385
            exit(1);
2386
        }
2387
    }
2388

    
2389
    if (!(oc->oformat->flags & AVFMT_NOFILE)) {
2390
        /* test if it already exists to avoid loosing precious files */
2391
        if (!file_overwrite && 
2392
            (strchr(filename, ':') == NULL ||
2393
             strstart(filename, "file:", NULL))) {
2394
            if (url_exist(filename)) {
2395
                int c;
2396
                
2397
                if ( !using_stdin ) {
2398
                    fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
2399
                    fflush(stderr);
2400
                    c = getchar();
2401
                    if (toupper(c) != 'Y') {
2402
                        fprintf(stderr, "Not overwriting - exiting\n");
2403
                        exit(1);
2404
                    }
2405
                                }
2406
                                else {
2407
                    fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
2408
                    exit(1);
2409
                                }
2410
            }
2411
        }
2412
        
2413
        /* open the file */
2414
        if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
2415
            fprintf(stderr, "Could not open '%s'\n", filename);
2416
            exit(1);
2417
        }
2418
    }
2419

    
2420
    memset(ap, 0, sizeof(*ap));
2421
    ap->image_format = image_format;
2422
    if (av_set_parameters(oc, ap) < 0) {
2423
        fprintf(stderr, "%s: Invalid encoding parameters\n",
2424
                oc->filename);
2425
        exit(1);
2426
    }
2427

    
2428
    /* reset some options */
2429
    file_oformat = NULL;
2430
    file_iformat = NULL;
2431
    image_format = NULL;
2432
    audio_disable = 0;
2433
    video_disable = 0;
2434
    audio_codec_id = CODEC_ID_NONE;
2435
    video_codec_id = CODEC_ID_NONE;
2436
    audio_stream_copy = 0;
2437
    video_stream_copy = 0;
2438
}
2439

    
2440
/* prepare dummy protocols for grab */
2441
static void prepare_grab(void)
2442
{
2443
    int has_video, has_audio, i, j;
2444
    AVFormatContext *oc;
2445
    AVFormatContext *ic;
2446
    AVFormatParameters vp1, *vp = &vp1;
2447
    AVFormatParameters ap1, *ap = &ap1;
2448
    
2449
    /* see if audio/video inputs are needed */
2450
    has_video = 0;
2451
    has_audio = 0;
2452
    memset(ap, 0, sizeof(*ap));
2453
    memset(vp, 0, sizeof(*vp));
2454
    for(j=0;j<nb_output_files;j++) {
2455
        oc = output_files[j];
2456
        for(i=0;i<oc->nb_streams;i++) {
2457
            AVCodecContext *enc = &oc->streams[i]->codec;
2458
            switch(enc->codec_type) {
2459
            case CODEC_TYPE_AUDIO:
2460
                if (enc->sample_rate > ap->sample_rate)
2461
                    ap->sample_rate = enc->sample_rate;
2462
                if (enc->channels > ap->channels)
2463
                    ap->channels = enc->channels;
2464
                has_audio = 1;
2465
                break;
2466
            case CODEC_TYPE_VIDEO:
2467
                if (enc->width > vp->width)
2468
                    vp->width = enc->width;
2469
                if (enc->height > vp->height)
2470
                    vp->height = enc->height;
2471
                
2472
                assert(enc->frame_rate_base == DEFAULT_FRAME_RATE_BASE);
2473
                if (enc->frame_rate > vp->frame_rate){
2474
                    vp->frame_rate      = enc->frame_rate;
2475
                    vp->frame_rate_base = enc->frame_rate_base;
2476
                }
2477
                has_video = 1;
2478
                break;
2479
            default:
2480
                av_abort();
2481
            }
2482
        }
2483
    }
2484
    
2485
    if (has_video == 0 && has_audio == 0) {
2486
        fprintf(stderr, "Output file must have at least one audio or video stream\n");
2487
        exit(1);
2488
    }
2489
    
2490
    if (has_video) {
2491
        AVInputFormat *fmt1;
2492
        fmt1 = av_find_input_format(video_grab_format);
2493
        vp->device  = video_device;
2494
        vp->channel = video_channel;
2495
        vp->standard = video_standard;
2496
        if (av_open_input_file(&ic, "", fmt1, 0, vp) < 0) {
2497
            fprintf(stderr, "Could not find video grab device\n");
2498
            exit(1);
2499
        }
2500
        /* by now video grab has one stream */
2501
        ic->streams[0]->r_frame_rate      = vp->frame_rate;
2502
        ic->streams[0]->r_frame_rate_base = vp->frame_rate_base;
2503
        input_files[nb_input_files] = ic;
2504
        dump_format(ic, nb_input_files, "", 0);
2505
        nb_input_files++;
2506
    }
2507
    if (has_audio && audio_grab_format) {
2508
        AVInputFormat *fmt1;
2509
        fmt1 = av_find_input_format(audio_grab_format);
2510
        ap->device = audio_device;
2511
        if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
2512
            fprintf(stderr, "Could not find audio grab device\n");
2513
            exit(1);
2514
        }
2515
        input_files[nb_input_files] = ic;
2516
        dump_format(ic, nb_input_files, "", 0);
2517
        nb_input_files++;
2518
    }
2519
}
2520

    
2521
/* same option as mencoder */
2522
static void opt_pass(const char *pass_str)
2523
{
2524
    int pass;
2525
    pass = atoi(pass_str);
2526
    if (pass != 1 && pass != 2) {
2527
        fprintf(stderr, "pass number can be only 1 or 2\n");
2528
        exit(1);
2529
    }
2530
    do_pass = pass;
2531
}
2532

    
2533
#if defined(CONFIG_WIN32) || defined(CONFIG_OS2)
2534
static int64_t getutime(void)
2535
{
2536
  return av_gettime();
2537
}
2538
#else
2539
static int64_t getutime(void)
2540
{
2541
    struct rusage rusage;
2542

    
2543
    getrusage(RUSAGE_SELF, &rusage);
2544
    return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2545
}
2546
#endif
2547

    
2548
extern int ffm_nopts;
2549

    
2550
static void opt_bitexact(void)
2551
{
2552
    bitexact=1;
2553
    /* disable generate of real time pts in ffm (need to be supressed anyway) */
2554
    ffm_nopts = 1;
2555
}
2556

    
2557
static void show_formats(void)
2558
{
2559
    AVInputFormat *ifmt;
2560
    AVOutputFormat *ofmt;
2561
    AVImageFormat *image_fmt;
2562
    URLProtocol *up;
2563
    AVCodec *p;
2564
    const char **pp;
2565

    
2566
    printf("Output audio/video file formats:");
2567
    for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
2568
        printf(" %s", ofmt->name);
2569
    }
2570
    printf("\n");
2571

    
2572
    printf("Input audio/video file formats:");
2573
    for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
2574
        printf(" %s", ifmt->name);
2575
    }
2576
    printf("\n");
2577

    
2578
    printf("Output image formats:");
2579
    for(image_fmt = first_image_format; image_fmt != NULL; 
2580
        image_fmt = image_fmt->next) {
2581
        if (image_fmt->img_write)
2582
            printf(" %s", image_fmt->name);
2583
    }
2584
    printf("\n");
2585

    
2586
    printf("Input image formats:");
2587
    for(image_fmt = first_image_format; image_fmt != NULL; 
2588
        image_fmt = image_fmt->next) {
2589
        if (image_fmt->img_read)
2590
            printf(" %s", image_fmt->name);
2591
    }
2592
    printf("\n");
2593

    
2594
    printf("Codecs:\n");
2595
    printf("  Encoders:");
2596
    for(p = first_avcodec; p != NULL; p = p->next) {
2597
        if (p->encode)
2598
            printf(" %s", p->name);
2599
    }
2600
    printf("\n");
2601

    
2602
    printf("  Decoders:");
2603
    for(p = first_avcodec; p != NULL; p = p->next) {
2604
        if (p->decode)
2605
            printf(" %s", p->name);
2606
    }
2607
    printf("\n");
2608

    
2609
    printf("Supported file protocols:");
2610
    for(up = first_protocol; up != NULL; up = up->next)
2611
        printf(" %s:", up->name);
2612
    printf("\n");
2613
    
2614
    printf("Frame size, frame rate abbreviations: ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
2615
    printf("Motion estimation methods:");
2616
    pp = motion_str;
2617
    while (*pp) {
2618
        printf(" %s", *pp);
2619
        if ((pp - motion_str + 1) == ME_ZERO) 
2620
            printf("(fastest)");
2621
        else if ((pp - motion_str + 1) == ME_FULL) 
2622
            printf("(slowest)");
2623
        else if ((pp - motion_str + 1) == ME_EPZS) 
2624
            printf("(default)");
2625
        pp++;
2626
    }
2627
    printf("\n");
2628
    exit(1);
2629
}
2630

    
2631
const OptionDef options[] = {
2632
    /* main options */
2633
    { "L", 0, {(void*)show_license}, "show license" },
2634
    { "h", 0, {(void*)show_help}, "show help" },
2635
    { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
2636
    { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
2637
    { "img", HAS_ARG, {(void*)opt_image_format}, "force image format", "img_fmt" },
2638
    { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
2639
    { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
2640
    { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream" },
2641
    { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
2642
    { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
2643
    { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
2644
    { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
2645
    { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
2646
    { "debug", HAS_ARG | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
2647
    { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark}, 
2648
      "add timings for benchmarking" },
2649
    { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump}, 
2650
      "dump each input packet" },
2651
    { "bitexact", OPT_EXPERT, {(void*)opt_bitexact}, "only use bit exact algorithms (for codec testing)" }, 
2652
    { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
2653
    { "loop", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
2654
    { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
2655

    
2656
    /* video options */
2657
    { "b", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" },
2658
    { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
2659
    { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
2660
    { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
2661
    { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
2662
    { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
2663
    { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
2664
    { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
2665
    { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
2666
    { "g", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_gop_size}, "set the group of picture size", "gop_size" },
2667
    { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
2668
    { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
2669
    { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
2670
    { "qmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmin}, "min video quantiser scale (VBR)", "q" },
2671
    { "qmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmax}, "max video quantiser scale (VBR)", "q" },
2672
    { "mbqmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_qmin}, "min macroblock quantiser scale (VBR)", "q" },
2673
    { "mbqmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_qmax}, "max macroblock quantiser scale (VBR)", "q" },
2674
    { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" },
2675
    { "qblur", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" },
2676
    { "qcomp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" },
2677
    { "rc_init_cplx", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_rc_initial_cplx}, "initial complexity for 1-pass encoding", "complexity" },
2678
    { "b_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qfactor}, "qp factor between p and b frames", "factor" },
2679
    { "i_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qfactor}, "qp factor between p and i frames", "factor" },
2680
    { "b_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qoffset}, "qp offset between p and b frames", "offset" },
2681
    { "i_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qoffset}, "qp offset between p and i frames", "offset" },
2682
//    { "b_strategy", HAS_ARG | OPT_EXPERT, {(void*)opt_b_strategy}, "dynamic b frame selection strategy", "strategy" },
2683
    { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
2684
    { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
2685
    { "bt", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
2686
    { "maxrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_max}, "set max video bitrate tolerance (in kbit/s)", "bitrate" },
2687
    { "minrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_min}, "set min video bitrate tolerance (in kbit/s)", "bitrate" },
2688
    { "bufsize", HAS_ARG | OPT_VIDEO, {(void*)opt_video_buffer_size}, "set ratecontrol buffere size (in kbit)", "size" },
2689
    { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
2690
    { "me", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_motion_estimation}, "set motion estimation method", 
2691
      "method" },
2692
    { "dct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_dct_algo}, "set dct algo",  "algo" },
2693
    { "idct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_idct_algo}, "set idct algo",  "algo" },
2694
    { "er", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_resilience}, "set error resilience",  "n" },
2695
    { "ec", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_concealment}, "set error concealment",  "bit_mask" },
2696
    { "bf", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_frames}, "use 'frames' B frames", "frames" },
2697
    { "hq", OPT_BOOL, {(void*)&mb_decision}, "activate high quality settings" },
2698
    { "mbd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_decision}, "macroblock decision", "mode" },
2699
    { "4mv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_4mv}, "use four motion vector by macroblock (only MPEG-4)" },
2700
    { "part", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_part}, "use data partitioning (only MPEG-4)" },
2701
    { "bug", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_workaround_bugs}, "workaround not auto detected encoder bugs", "param" },
2702
    { "ps", HAS_ARG | OPT_EXPERT, {(void*)opt_packet_size}, "set packet size in bits", "size" },
2703
    { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standarts", "strictness" },
2704
    { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality}, 
2705
      "use same video quality as source (implies VBR)" },
2706
    { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
2707
    { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
2708
    { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace}, 
2709
      "deinterlace pictures" },
2710
    { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
2711
    { "vstats", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_vstats}, "dump video coding statistics to file" }, 
2712
    { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
2713
    { "aic", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_aic}, "enable Advanced intra coding (h263+)" },
2714
    { "umv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_umv}, "enable Unlimited Motion Vector (h263+)" },
2715

    
2716
    /* audio options */
2717
    { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", },
2718
    { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
2719
    { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
2720
    { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
2721
    { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
2722

    
2723
    /* grab options */
2724
    { "vd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_device}, "set video grab device", "device" },
2725
    { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
2726
    { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
2727
    { "dv1394", OPT_EXPERT | OPT_GRAB, {(void*)opt_dv1394}, "set DV1394 grab", "" },
2728
    { "ad", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_GRAB, {(void*)opt_audio_device}, "set audio device", "device" },
2729
    { NULL, },
2730
};
2731

    
2732
static void show_banner(void)
2733
{
2734
    printf("ffmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2003 Fabrice Bellard\n");
2735
}
2736

    
2737
static void show_license(void)
2738
{
2739
    show_banner();
2740
    printf(
2741
    "This library is free software; you can redistribute it and/or\n"
2742
    "modify it under the terms of the GNU Lesser General Public\n"
2743
    "License as published by the Free Software Foundation; either\n"
2744
    "version 2 of the License, or (at your option) any later version.\n"
2745
    "\n"
2746
    "This library is distributed in the hope that it will be useful,\n"
2747
    "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
2748
    "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\n"
2749
    "Lesser General Public License for more details.\n"
2750
    "\n"
2751
    "You should have received a copy of the GNU Lesser General Public\n"
2752
    "License along with this library; if not, write to the Free Software\n"
2753
    "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA\n"
2754
    );
2755
    exit(1);
2756
}
2757

    
2758
static void show_help(void)
2759
{
2760
    show_banner();
2761
    printf("usage: ffmpeg [[options] -i input_file]... {[options] outfile}...\n"
2762
           "Hyper fast Audio and Video encoder\n");
2763
    printf("\n");
2764
    show_help_options(options, "Main options:\n",
2765
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
2766
    show_help_options(options, "\nVideo options:\n",
2767
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, 
2768
                      OPT_VIDEO);
2769
    show_help_options(options, "\nAdvanced Video options:\n",
2770
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, 
2771
                      OPT_VIDEO | OPT_EXPERT);
2772
    show_help_options(options, "\nAudio options:\n",
2773
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, 
2774
                      OPT_AUDIO);
2775
    show_help_options(options, "\nAdvanced Audio options:\n",
2776
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, 
2777
                      OPT_AUDIO | OPT_EXPERT);
2778
    show_help_options(options, "\nAudio/Video grab options:\n",
2779
                      OPT_GRAB, 
2780
                      OPT_GRAB);
2781
    show_help_options(options, "\nAdvanced options:\n",
2782
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, 
2783
                      OPT_EXPERT);
2784
    exit(1);
2785
}
2786

    
2787
void parse_arg_file(const char *filename)
2788
{
2789
    opt_output_file(filename);
2790
}
2791

    
2792
int main(int argc, char **argv)
2793
{
2794
    int i;
2795
    int64_t ti;
2796

    
2797
    av_register_all();
2798

    
2799
    if (argc <= 1)
2800
        show_help();
2801
    
2802
    /* parse options */
2803
    parse_options(argc, argv, options);
2804

    
2805
    /* file converter / grab */
2806
    if (nb_output_files <= 0) {
2807
        fprintf(stderr, "Must supply at least one output file\n");
2808
        exit(1);
2809
    }
2810
    
2811
    if (nb_input_files == 0) {
2812
        prepare_grab();
2813
    }
2814

    
2815
    ti = getutime();
2816
    av_encode(output_files, nb_output_files, input_files, nb_input_files, 
2817
              stream_maps, nb_stream_maps);
2818
    ti = getutime() - ti;
2819
    if (do_benchmark) {
2820
        printf("bench: utime=%0.3fs\n", ti / 1000000.0);
2821
    }
2822

    
2823
    /* close files */
2824
    for(i=0;i<nb_output_files;i++) {
2825
        /* maybe av_close_output_file ??? */
2826
        AVFormatContext *s = output_files[i];
2827
        int j;
2828
        if (!(s->oformat->flags & AVFMT_NOFILE))
2829
            url_fclose(&s->pb);
2830
        for(j=0;j<s->nb_streams;j++)
2831
            av_free(s->streams[j]);
2832
        av_free(s);
2833
    }
2834
    for(i=0;i<nb_input_files;i++)
2835
        av_close_input_file(input_files[i]);
2836

    
2837
    av_free_static();
2838

    
2839
    
2840
#ifdef POWERPC_PERFORMANCE_REPORT
2841
    extern void powerpc_display_perf_report(void);
2842
    powerpc_display_perf_report();
2843
#endif /* POWERPC_PERFORMANCE_REPORT */
2844

    
2845
#ifndef CONFIG_WIN32
2846
    if (received_sigterm) {
2847
        fprintf(stderr,
2848
            "Received signal %d: terminating.\n",
2849
            (int) received_sigterm);
2850
        exit (255);
2851
    }
2852
#endif
2853
    exit(0); /* not all OS-es handle main() return value */
2854
    return 0;
2855
}