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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
    enum PixelFormat target_pixfmt;
471

    
472
#define VIDEO_BUFFER_SIZE (1024*1024)
473

    
474
    enc = &ost->st->codec;
475
    dec = &ist->st->codec;
476

    
477
    /* by default, we output a single frame */
478
    nb_frames = 1;
479

    
480
    *frame_size = 0;
481

    
482
    /* NOTE: the A/V sync is always done by considering the audio is
483
       the master clock. It is suffisant for transcoding or playing,
484
       but not for the general case */
485
    if (audio_sync) {
486
        /* compute the A-V delay and duplicate/remove frames if needed */
487
        double adelta, vdelta, av_delay;
488

    
489
        adelta = audio_sync->sync_ipts - ((double)audio_sync->sync_opts * 
490
            s->pts_num / s->pts_den);
491

    
492
        vdelta = ost->sync_ipts - ((double)ost->sync_opts *
493
            s->pts_num / s->pts_den);
494

    
495
        av_delay = adelta - vdelta;
496
        //            printf("delay=%f\n", av_delay);
497
        if (av_delay < -AV_DELAY_MAX)
498
            nb_frames = 2;
499
        else if (av_delay > AV_DELAY_MAX)
500
            nb_frames = 0;
501
    } else {
502
        double vdelta;
503

    
504
        vdelta = (double)(ost->st->pts.val) * s->pts_num / s->pts_den - (ost->sync_ipts - ost->sync_ipts_offset);
505
        if (vdelta < 100 && vdelta > -100 && ost->sync_ipts_offset) {
506
            if (vdelta < -AV_DELAY_MAX)
507
                nb_frames = 2;
508
            else if (vdelta > AV_DELAY_MAX)
509
                nb_frames = 0;
510
        } else {
511
            ost->sync_ipts_offset -= vdelta;
512
            if (!ost->sync_ipts_offset)
513
                ost->sync_ipts_offset = 0.000001; /* one microsecond */
514
        }
515
    }
516
    
517
#if defined(AVSYNC_DEBUG)
518
    static char *action[] = { "drop frame", "copy frame", "dup frame" };
519
    if (audio_sync)
520
        fprintf(stderr, "Input APTS %12.6f, output APTS %12.6f, ",
521
                (double) audio_sync->sync_ipts, 
522
                (double) audio_sync->st->pts.val * s->pts_num / s->pts_den);
523
    fprintf(stderr, "Input VPTS %12.6f, output VPTS %12.6f: %s\n",
524
            (double) ost->sync_ipts, 
525
              (double) ost->st->pts.val * s->pts_num / s->pts_den,
526
            action[nb_frames]);
527
#endif
528

    
529
    if (nb_frames <= 0) 
530
        return;
531

    
532
    if (!video_buffer)
533
        video_buffer = av_malloc(VIDEO_BUFFER_SIZE);
534
    if (!video_buffer)
535
        return;
536

    
537
    /* convert pixel format if needed */
538
    target_pixfmt = ost->video_resample ? PIX_FMT_YUV420P : enc->pix_fmt;
539
    if (dec->pix_fmt != target_pixfmt) {
540
        int size;
541

    
542
        /* create temporary picture */
543
        size = avpicture_get_size(enc->pix_fmt, dec->width, dec->height);
544
        buf = av_malloc(size);
545
        if (!buf)
546
            return;
547
        formatted_picture = &picture_format_temp;
548
        avpicture_fill(formatted_picture, buf, enc->pix_fmt, dec->width, dec->height);
549
        
550
        if (img_convert(formatted_picture, target_pixfmt, 
551
                        in_picture, dec->pix_fmt, 
552
                        dec->width, dec->height) < 0) {
553
            fprintf(stderr, "pixel format conversion not handled\n");
554
            goto the_end;
555
        }
556
    } else {
557
        formatted_picture = in_picture;
558
    }
559

    
560
    /* XXX: resampling could be done before raw format convertion in
561
       some cases to go faster */
562
    /* XXX: only works for YUV420P */
563
    if (ost->video_resample) {
564
        final_picture = &ost->pict_tmp;
565
        img_resample(ost->img_resample_ctx, final_picture, formatted_picture);
566
        if (enc->pix_fmt != PIX_FMT_YUV420P) {
567
            int size;
568
            
569
            av_free(buf);
570
            /* create temporary picture */
571
            size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
572
            buf = av_malloc(size);
573
            if (!buf)
574
                return;
575
            final_picture = &picture_format_temp;
576
            avpicture_fill(final_picture, buf, enc->pix_fmt, enc->width, enc->height);
577
        
578
            if (img_convert(final_picture, enc->pix_fmt, 
579
                            &ost->pict_tmp, PIX_FMT_YUV420P, 
580
                            enc->width, enc->height) < 0) {
581
                fprintf(stderr, "pixel format conversion not handled\n");
582
                goto the_end;
583
            }
584
        }
585
    } else if (ost->video_crop) {
586
        picture_crop_temp.data[0] = formatted_picture->data[0] +
587
                (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
588

    
589
        picture_crop_temp.data[1] = formatted_picture->data[1] +
590
                ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
591
                (ost->leftBand >> 1);
592

    
593
        picture_crop_temp.data[2] = formatted_picture->data[2] +
594
                ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
595
                (ost->leftBand >> 1);
596

    
597
        picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
598
        picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
599
        picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
600
        final_picture = &picture_crop_temp;
601
    } else {
602
        final_picture = formatted_picture;
603
    }
604
    /* duplicates frame if needed */
605
    /* XXX: pb because no interleaving */
606
    for(i=0;i<nb_frames;i++) {
607
        if (s->oformat->flags & AVFMT_RAWPICTURE) {
608
            /* raw pictures are written as AVPicture structure to
609
               avoid any copies. We support temorarily the older
610
               method. */
611
            av_write_frame(s, ost->index, 
612
                           (uint8_t *)final_picture, sizeof(AVPicture));
613
        } else {
614
            AVFrame big_picture;
615
            
616
            memset(&big_picture, 0, sizeof(AVFrame));
617
            *(AVPicture*)&big_picture= *final_picture;
618
                        
619
            /* handles sameq here. This is not correct because it may
620
               not be a global option */
621
            if (same_quality) {
622
                big_picture.quality = ist->st->quality;
623
            }else
624
                big_picture.quality = ost->st->quality;
625
            
626
            ret = avcodec_encode_video(enc, 
627
                                       video_buffer, VIDEO_BUFFER_SIZE,
628
                                       &big_picture);
629
            //enc->frame_number = enc->real_pict_num;
630
            av_write_frame(s, ost->index, video_buffer, ret);
631
            *frame_size = ret;
632
            //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
633
            //        enc->frame_number-1, enc->real_pict_num, ret,
634
            //        enc->pict_type);
635
            /* if two pass, output log */
636
            if (ost->logfile && enc->stats_out) {
637
                fprintf(ost->logfile, "%s", enc->stats_out);
638
            }
639
        }
640
        ost->frame_number++;
641
    }
642
 the_end:
643
    av_free(buf);
644
    av_free(buf1);
645
}
646

    
647
static double psnr(double d){
648
    if(d==0) return INFINITY;
649
    return -10.0*log(d)/log(10.0);
650
}
651

    
652
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost, 
653
                           int frame_size)
654
{
655
    static FILE *fvstats=NULL;
656
    static int64_t total_size = 0;
657
    char filename[40];
658
    time_t today2;
659
    struct tm *today;
660
    AVCodecContext *enc;
661
    int frame_number;
662
    int64_t ti;
663
    double ti1, bitrate, avg_bitrate;
664
    
665
    if (!fvstats) {
666
        today2 = time(NULL);
667
        today = localtime(&today2);
668
        sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
669
                                               today->tm_min,
670
                                               today->tm_sec);
671
        fvstats = fopen(filename,"w");
672
        if (!fvstats) {
673
            perror("fopen");
674
            exit(1);
675
        }
676
    }
677
    
678
    ti = MAXINT64;
679
    enc = &ost->st->codec;
680
    total_size += frame_size;
681
    if (enc->codec_type == CODEC_TYPE_VIDEO) {
682
        frame_number = ost->frame_number;
683
        fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality);
684
        if (enc->flags&CODEC_FLAG_PSNR)
685
            fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
686
        
687
        fprintf(fvstats,"f_size= %6d ", frame_size);
688
        /* compute pts value */
689
        ti1 = (double)ost->st->pts.val * os->pts_num / os->pts_den;
690
        if (ti1 < 0.01)
691
            ti1 = 0.01;
692
    
693
        bitrate = (double)(frame_size * 8) * enc->frame_rate / enc->frame_rate_base / 1000.0;
694
        avg_bitrate = (double)(total_size * 8) / ti1 / 1000.0;
695
        fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
696
            (double)total_size / 1024, ti1, bitrate, avg_bitrate);
697
        fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));        
698
    }
699
}
700

    
701
static void print_report(AVFormatContext **output_files,
702
                         AVOutputStream **ost_table, int nb_ostreams,
703
                         int is_last_report)
704
{
705
    char buf[1024];
706
    AVOutputStream *ost;
707
    AVFormatContext *oc, *os;
708
    int64_t total_size;
709
    AVCodecContext *enc;
710
    int frame_number, vid, i;
711
    double bitrate, ti1, pts;
712
    static int64_t last_time = -1;
713
    
714
    if (!is_last_report) {
715
        int64_t cur_time;
716
        /* display the report every 0.5 seconds */
717
        cur_time = av_gettime();
718
        if (last_time == -1) {
719
            last_time = cur_time;
720
            return;
721
        } 
722
        if ((cur_time - last_time) < 500000)
723
            return;
724
        last_time = cur_time;
725
    }
726

    
727

    
728
    oc = output_files[0];
729

    
730
    total_size = url_ftell(&oc->pb);
731
    
732
    buf[0] = '\0';
733
    ti1 = 1e10;
734
    vid = 0;
735
    for(i=0;i<nb_ostreams;i++) {
736
        ost = ost_table[i];
737
        os = output_files[ost->file_index];
738
        enc = &ost->st->codec;
739
        if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
740
            sprintf(buf + strlen(buf), "q=%2.1f ",
741
                    enc->coded_frame->quality);
742
        }
743
        if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
744
            frame_number = ost->frame_number;
745
            sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
746
                    frame_number, enc->coded_frame ? enc->coded_frame->quality : 0);
747
            if (enc->flags&CODEC_FLAG_PSNR)
748
                sprintf(buf + strlen(buf), "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
749
            vid = 1;
750
        }
751
        /* compute min output value */
752
        pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
753
        if ((pts < ti1) && (pts > 0))
754
            ti1 = pts;
755
    }
756
    if (ti1 < 0.01)
757
        ti1 = 0.01;
758
    
759
    if (verbose || is_last_report) {
760
        bitrate = (double)(total_size * 8) / ti1 / 1000.0;
761
        
762
        sprintf(buf + strlen(buf), 
763
            "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
764
            (double)total_size / 1024, ti1, bitrate);
765
        
766
        fprintf(stderr, "%s    \r", buf);
767
        fflush(stderr);
768
    }
769
        
770
    if (is_last_report)
771
        fprintf(stderr, "\n");
772
}
773

    
774
/*
775
 * The following code is the main loop of the file converter
776
 */
777
static int av_encode(AVFormatContext **output_files,
778
                     int nb_output_files,
779
                     AVFormatContext **input_files,
780
                     int nb_input_files,
781
                     AVStreamMap *stream_maps, int nb_stream_maps)
782
{
783
    int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
784
    AVFormatContext *is, *os;
785
    AVCodecContext *codec, *icodec;
786
    AVOutputStream *ost, **ost_table = NULL;
787
    AVInputStream *ist, **ist_table = NULL;
788
    AVInputFile *file_table;
789
    AVFormatContext *stream_no_data;
790
    int key;
791

    
792
    file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
793
    if (!file_table)
794
        goto fail;
795

    
796
    /* input stream init */
797
    j = 0;
798
    for(i=0;i<nb_input_files;i++) {
799
        is = input_files[i];
800
        file_table[i].ist_index = j;
801
        file_table[i].nb_streams = is->nb_streams;
802
        j += is->nb_streams;
803
    }
804
    nb_istreams = j;
805

    
806
    ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
807
    if (!ist_table)
808
        goto fail;
809
    
810
    for(i=0;i<nb_istreams;i++) {
811
        ist = av_mallocz(sizeof(AVInputStream));
812
        if (!ist)
813
            goto fail;
814
        ist_table[i] = ist;
815
    }
816
    j = 0;
817
    for(i=0;i<nb_input_files;i++) {
818
        is = input_files[i];
819
        for(k=0;k<is->nb_streams;k++) {
820
            ist = ist_table[j++];
821
            ist->st = is->streams[k];
822
            ist->file_index = i;
823
            ist->index = k;
824
            ist->discard = 1; /* the stream is discarded by default
825
                                 (changed later) */
826

    
827
            if (ist->st->codec.rate_emu) {
828
                ist->start = av_gettime();
829
                ist->frame = 0;
830
            }
831
        }
832
    }
833

    
834
    /* output stream init */
835
    nb_ostreams = 0;
836
    for(i=0;i<nb_output_files;i++) {
837
        os = output_files[i];
838
        nb_ostreams += os->nb_streams;
839
    }
840
    if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
841
        fprintf(stderr, "Number of stream maps must match number of output streams\n");
842
        exit(1);
843
    }
844

    
845
    /* Sanity check the mapping args -- do the input files & streams exist? */
846
    for(i=0;i<nb_stream_maps;i++) {
847
        int fi = stream_maps[i].file_index;
848
        int si = stream_maps[i].stream_index;
849
        
850
        if (fi < 0 || fi > nb_input_files - 1 ||
851
            si < 0 || si > file_table[fi].nb_streams - 1) {
852
            fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
853
            exit(1);
854
        }
855
    }
856
    
857
    ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
858
    if (!ost_table)
859
        goto fail;
860
    for(i=0;i<nb_ostreams;i++) {
861
        ost = av_mallocz(sizeof(AVOutputStream));
862
        if (!ost)
863
            goto fail;
864
        ost_table[i] = ost;
865
    }
866
    
867
    n = 0;
868
    for(k=0;k<nb_output_files;k++) {
869
        os = output_files[k];
870
        for(i=0;i<os->nb_streams;i++) {
871
            int found;
872
            ost = ost_table[n++];
873
            ost->file_index = k;
874
            ost->index = i;
875
            ost->st = os->streams[i];
876
            if (nb_stream_maps > 0) {
877
                ost->source_index = file_table[stream_maps[n-1].file_index].ist_index + 
878
                    stream_maps[n-1].stream_index;
879
                    
880
                /* Sanity check that the stream types match */
881
                if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) {
882
                    fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
883
                        stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
884
                        ost->file_index, ost->index);
885
                    exit(1);
886
                }
887
                
888
            } else {
889
                /* get corresponding input stream index : we select the first one with the right type */
890
                found = 0;
891
                for(j=0;j<nb_istreams;j++) {
892
                    ist = ist_table[j];
893
                    if (ist->discard && 
894
                        ist->st->codec.codec_type == ost->st->codec.codec_type) {
895
                        ost->source_index = j;
896
                        found = 1;
897
                    }
898
                }
899
                
900
                if (!found) {
901
                    /* try again and reuse existing stream */
902
                    for(j=0;j<nb_istreams;j++) {
903
                        ist = ist_table[j];
904
                        if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
905
                            ost->source_index = j;
906
                            found = 1;
907
                        }
908
                    }
909
                    if (!found) {
910
                        fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
911
                                ost->file_index, ost->index);
912
                        exit(1);
913
                    }
914
                }
915
            }
916
            ist = ist_table[ost->source_index];
917
            ist->discard = 0;
918
        }
919
    }
920

    
921
    /* for each output stream, we compute the right encoding parameters */
922
    for(i=0;i<nb_ostreams;i++) {
923
        ost = ost_table[i];
924
        ist = ist_table[ost->source_index];
925

    
926
        codec = &ost->st->codec;
927
        icodec = &ist->st->codec;
928

    
929
        if (ost->st->stream_copy) {
930
            /* if stream_copy is selected, no need to decode or encode */
931
            codec->codec_id = icodec->codec_id;
932
            codec->codec_type = icodec->codec_type;
933
            codec->codec_tag = icodec->codec_tag;
934
            codec->bit_rate = icodec->bit_rate;
935
            switch(codec->codec_type) {
936
            case CODEC_TYPE_AUDIO:
937
                codec->sample_rate = icodec->sample_rate;
938
                codec->channels = icodec->channels;
939
                break;
940
            case CODEC_TYPE_VIDEO:
941
                codec->frame_rate = icodec->frame_rate;
942
                codec->frame_rate_base = icodec->frame_rate_base;
943
                codec->width = icodec->width;
944
                codec->height = icodec->height;
945
                break;
946
            default:
947
                av_abort();
948
            }
949
        } else {
950
            switch(codec->codec_type) {
951
            case CODEC_TYPE_AUDIO:
952
                if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
953
                    goto fail;
954
                
955
                if (codec->channels == icodec->channels &&
956
                    codec->sample_rate == icodec->sample_rate) {
957
                    ost->audio_resample = 0;
958
                } else {
959
                    if (codec->channels != icodec->channels &&
960
                        icodec->codec_id == CODEC_ID_AC3) {
961
                        /* Special case for 5:1 AC3 input */
962
                        /* and mono or stereo output      */
963
                        /* Request specific number of channels */
964
                        icodec->channels = codec->channels;
965
                        if (codec->sample_rate == icodec->sample_rate)
966
                            ost->audio_resample = 0;
967
                        else {
968
                            ost->audio_resample = 1;
969
                            ost->resample = audio_resample_init(codec->channels, icodec->channels,
970
                                                        codec->sample_rate, 
971
                                                        icodec->sample_rate);
972
                            if(!ost->resample)
973
                              {
974
                                printf("Can't resample.  Aborting.\n");
975
                                av_abort();
976
                              }
977
                        }
978
                        /* Request specific number of channels */
979
                        icodec->channels = codec->channels;
980
                    } else {
981
                        ost->audio_resample = 1; 
982
                        ost->resample = audio_resample_init(codec->channels, icodec->channels,
983
                                                        codec->sample_rate, 
984
                                                        icodec->sample_rate);
985
                        if(!ost->resample)
986
                          {
987
                            printf("Can't resample.  Aborting.\n");
988
                            av_abort();
989
                          }
990
                    }
991
                }
992
                ist->decoding_needed = 1;
993
                ost->encoding_needed = 1;
994
                break;
995
            case CODEC_TYPE_VIDEO:
996
                if (codec->width == icodec->width &&
997
                    codec->height == icodec->height &&
998
                    frame_topBand == 0 &&
999
                    frame_bottomBand == 0 &&
1000
                    frame_leftBand == 0 &&
1001
                    frame_rightBand == 0)
1002
                {
1003
                    ost->video_resample = 0;
1004
                    ost->video_crop = 0;
1005
                } else if ((codec->width == icodec->width -
1006
                                (frame_leftBand + frame_rightBand)) &&
1007
                        (codec->height == icodec->height -
1008
                                (frame_topBand  + frame_bottomBand)))
1009
                {
1010
                    ost->video_resample = 0;
1011
                    ost->video_crop = 1;
1012
                    ost->topBand = frame_topBand;
1013
                    ost->leftBand = frame_leftBand;
1014
                } else {
1015
                    uint8_t *buf;
1016
                    ost->video_resample = 1;
1017
                    ost->video_crop = 0; // cropping is handled as part of resample
1018
                    buf = av_malloc((codec->width * codec->height * 3) / 2);
1019
                    if (!buf)
1020
                        goto fail;
1021
                    ost->pict_tmp.data[0] = buf;
1022
                    ost->pict_tmp.data[1] = ost->pict_tmp.data[0] + (codec->width * codec->height);
1023
                    ost->pict_tmp.data[2] = ost->pict_tmp.data[1] + (codec->width * codec->height) / 4;
1024
                    ost->pict_tmp.linesize[0] = codec->width;
1025
                    ost->pict_tmp.linesize[1] = codec->width / 2;
1026
                    ost->pict_tmp.linesize[2] = codec->width / 2;
1027

    
1028
                    ost->img_resample_ctx = img_resample_full_init( 
1029
                                      ost->st->codec.width, ost->st->codec.height,
1030
                                      ist->st->codec.width, ist->st->codec.height,
1031
                                      frame_topBand, frame_bottomBand,
1032
                                      frame_leftBand, frame_rightBand);
1033
                }
1034
                ost->encoding_needed = 1;
1035
                ist->decoding_needed = 1;
1036
                break;
1037
            default:
1038
                av_abort();
1039
            }
1040
            /* two pass mode */
1041
            if (ost->encoding_needed && 
1042
                (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1043
                char logfilename[1024];
1044
                FILE *f;
1045
                int size;
1046
                char *logbuffer;
1047
                
1048
                snprintf(logfilename, sizeof(logfilename), "%s-%d.log", 
1049
                         pass_logfilename ? 
1050
                         pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1051
                if (codec->flags & CODEC_FLAG_PASS1) {
1052
                    f = fopen(logfilename, "w");
1053
                    if (!f) {
1054
                        perror(logfilename);
1055
                        exit(1);
1056
                    }
1057
                    ost->logfile = f;
1058
                } else {
1059
                    /* read the log file */
1060
                    f = fopen(logfilename, "r");
1061
                    if (!f) {
1062
                        perror(logfilename);
1063
                        exit(1);
1064
                    }
1065
                    fseek(f, 0, SEEK_END);
1066
                    size = ftell(f);
1067
                    fseek(f, 0, SEEK_SET);
1068
                    logbuffer = av_malloc(size + 1);
1069
                    if (!logbuffer) {
1070
                        fprintf(stderr, "Could not allocate log buffer\n");
1071
                        exit(1);
1072
                    }
1073
                    fread(logbuffer, 1, size, f);
1074
                    fclose(f);
1075
                    logbuffer[size] = '\0';
1076
                    codec->stats_in = logbuffer;
1077
                }
1078
            }
1079
        }
1080
    }
1081

    
1082
    /* dump the file output parameters - cannot be done before in case
1083
       of stream copy */
1084
    for(i=0;i<nb_output_files;i++) {
1085
        dump_format(output_files[i], i, output_files[i]->filename, 1);
1086
    }
1087

    
1088
    /* dump the stream mapping */
1089
    fprintf(stderr, "Stream mapping:\n");
1090
    for(i=0;i<nb_ostreams;i++) {
1091
        ost = ost_table[i];
1092
        fprintf(stderr, "  Stream #%d.%d -> #%d.%d\n",
1093
                ist_table[ost->source_index]->file_index,
1094
                ist_table[ost->source_index]->index,
1095
                ost->file_index, 
1096
                ost->index);
1097
    }
1098

    
1099
    /* open each encoder */
1100
    for(i=0;i<nb_ostreams;i++) {
1101
        ost = ost_table[i];
1102
        if (ost->encoding_needed) {
1103
            AVCodec *codec;
1104
            codec = avcodec_find_encoder(ost->st->codec.codec_id);
1105
            if (!codec) {
1106
                fprintf(stderr, "Unsupported codec for output stream #%d.%d\n", 
1107
                        ost->file_index, ost->index);
1108
                exit(1);
1109
            }
1110
            if (avcodec_open(&ost->st->codec, codec) < 0) {
1111
                fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n", 
1112
                        ost->file_index, ost->index);
1113
                exit(1);
1114
            }
1115
        }
1116
    }
1117

    
1118
    /* open each decoder */
1119
    for(i=0;i<nb_istreams;i++) {
1120
        ist = ist_table[i];
1121
        if (ist->decoding_needed) {
1122
            AVCodec *codec;
1123
            codec = avcodec_find_decoder(ist->st->codec.codec_id);
1124
            if (!codec) {
1125
                fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n", 
1126
                        ist->st->codec.codec_id, ist->file_index, ist->index);
1127
                exit(1);
1128
            }
1129
            if (avcodec_open(&ist->st->codec, codec) < 0) {
1130
                fprintf(stderr, "Error while opening codec for input stream #%d.%d\n", 
1131
                        ist->file_index, ist->index);
1132
                exit(1);
1133
            }
1134
            //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1135
            //    ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1136
            ist->frame_decoded = 1;
1137
        }
1138
    }
1139

    
1140
    /* init pts */
1141
    for(i=0;i<nb_istreams;i++) {
1142
        ist = ist_table[i];
1143
        is = input_files[ist->file_index];
1144
        ist->pts = 0;
1145
        if (ist->decoding_needed) {
1146
            switch (ist->st->codec.codec_type) {
1147
            case CODEC_TYPE_AUDIO:
1148
                av_frac_init(&ist->next_pts, 
1149
                             0, 0, (uint64_t)is->pts_num * ist->st->codec.sample_rate);
1150
                break;
1151
            case CODEC_TYPE_VIDEO:
1152
                av_frac_init(&ist->next_pts, 
1153
                             0, 0, (uint64_t)is->pts_num * ist->st->codec.frame_rate);
1154
                break;
1155
            default:
1156
                break;
1157
            }
1158
        }
1159
    }
1160
    
1161
    /* compute buffer size max (should use a complete heuristic) */
1162
    for(i=0;i<nb_input_files;i++) {
1163
        file_table[i].buffer_size_max = 2048;
1164
    }
1165

    
1166
    /* open files and write file headers */
1167
    for(i=0;i<nb_output_files;i++) {
1168
        os = output_files[i];
1169
        if (av_write_header(os) < 0) {
1170
            fprintf(stderr, "Could not write header for output file #%d (incorrect codec paramters ?)\n", i);
1171
            ret = -EINVAL;
1172
            goto fail;
1173
        }
1174
    }
1175

    
1176
#ifndef CONFIG_WIN32
1177
    if ( !using_stdin )
1178
        fprintf(stderr, "Press [q] to stop encoding\n");
1179
#endif
1180
    term_init();
1181

    
1182
    stream_no_data = 0;
1183
    key = -1;
1184

    
1185
    for(; received_sigterm == 0;) {
1186
        int file_index, ist_index;
1187
        AVPacket pkt;
1188
        uint8_t *ptr;
1189
        int len;
1190
        uint8_t *data_buf;
1191
        int data_size, got_picture;
1192
        AVPicture picture;
1193
        short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
1194
        void *buffer_to_free;
1195
        double pts_min;
1196
        
1197
    redo:
1198
        /* if 'q' pressed, exits */
1199
        if (!using_stdin) {
1200
            /* read_key() returns 0 on EOF */
1201
            key = read_key();
1202
            if (key == 'q')
1203
                break;
1204
        }
1205

    
1206
        /* select the stream that we must read now by looking at the
1207
           smallest output pts */
1208
        file_index = -1;
1209
        pts_min = 1e10;
1210
        for(i=0;i<nb_ostreams;i++) {
1211
            double pts;
1212
            ost = ost_table[i];
1213
            os = output_files[ost->file_index];
1214
            ist = ist_table[ost->source_index];
1215
            pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
1216
            if (!file_table[ist->file_index].eof_reached && 
1217
                pts < pts_min) {
1218
                pts_min = pts;
1219
                file_index = ist->file_index;
1220
            }
1221
        }
1222
        /* if none, if is finished */
1223
        if (file_index < 0) {
1224
            break;
1225
        }
1226

    
1227
        /* finish if recording time exhausted */
1228
        if (recording_time > 0 && pts_min >= (recording_time / 1000000.0))
1229
            break;
1230

    
1231
        /* read a packet from it and output it in the fifo */
1232
        is = input_files[file_index];
1233
        if (av_read_packet(is, &pkt) < 0) {
1234
            file_table[file_index].eof_reached = 1;
1235
            continue;
1236
        }
1237
        if (!pkt.size) {
1238
            stream_no_data = is;
1239
        } else {
1240
            stream_no_data = 0;
1241
        }
1242
        if (do_hex_dump) {
1243
            printf("stream #%d, size=%d:\n", pkt.stream_index, pkt.size);
1244
            av_hex_dump(pkt.data, pkt.size);
1245
        }
1246
        /* the following test is needed in case new streams appear
1247
           dynamically in stream : we ignore them */
1248
        if (pkt.stream_index >= file_table[file_index].nb_streams)
1249
            goto discard_packet;
1250
        ist_index = file_table[file_index].ist_index + pkt.stream_index;
1251
        ist = ist_table[ist_index];
1252
        if (ist->discard)
1253
            goto discard_packet;
1254

    
1255
        // printf("read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1256

    
1257
        len = pkt.size;
1258
        ptr = pkt.data;
1259
        while (len > 0) {
1260
            /* decode the packet if needed */
1261
            data_buf = NULL; /* fail safe */
1262
            data_size = 0;
1263
            if (ist->decoding_needed) {
1264
                /* NOTE1: we only take into account the PTS if a new
1265
                   frame has begun (MPEG semantics) */
1266
                /* NOTE2: even if the fraction is not initialized,
1267
                   av_frac_set can be used to set the integer part */
1268
                if (ist->frame_decoded) { 
1269
                    /* If pts is unavailable -- we have to use synthetic one */
1270
                    if( pkt.pts != AV_NOPTS_VALUE )
1271
                    {
1272
                        ist->pts = ist->next_pts.val = pkt.pts;
1273
                    }
1274
                    else
1275
                    {
1276
                        ist->pts = ist->next_pts.val;
1277
                    }
1278
                    ist->frame_decoded = 0;
1279
                }
1280

    
1281
                switch(ist->st->codec.codec_type) {
1282
                case CODEC_TYPE_AUDIO:
1283
                    /* XXX: could avoid copy if PCM 16 bits with same
1284
                       endianness as CPU */
1285
                    ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1286
                                               ptr, len);
1287
                    if (ret < 0)
1288
                        goto fail_decode;
1289
                    /* Some bug in mpeg audio decoder gives */
1290
                    /* data_size < 0, it seems they are overflows */
1291
                    if (data_size <= 0) {
1292
                        /* no audio frame */
1293
                        ptr += ret;
1294
                        len -= ret;
1295
                        continue;
1296
                    }
1297
                    data_buf = (uint8_t *)samples;
1298
                    av_frac_add(&ist->next_pts, 
1299
                                (uint64_t)is->pts_den * data_size / (2 * ist->st->codec.channels));
1300
                    break;
1301
                case CODEC_TYPE_VIDEO:
1302
                    {
1303
                        AVFrame big_picture;
1304

    
1305
                        data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1306
                        ret = avcodec_decode_video(&ist->st->codec, 
1307
                                                   &big_picture, &got_picture, ptr, len);
1308
                        picture= *(AVPicture*)&big_picture;
1309
                        ist->st->quality= big_picture.quality;
1310
                        if (ret < 0) {
1311
                        fail_decode:
1312
                            fprintf(stderr, "Error while decoding stream #%d.%d\n",
1313
                                    ist->file_index, ist->index);
1314
                            av_free_packet(&pkt);
1315
                            goto redo;
1316
                        }
1317
                        if (!got_picture) {
1318
                            /* no picture yet */
1319
                            ptr += ret;
1320
                            len -= ret;
1321
                            continue;
1322
                        }
1323
                        av_frac_add(&ist->next_pts, 
1324
                                    (uint64_t)is->pts_den * ist->st->codec.frame_rate_base);          
1325
                    }
1326
                    break;
1327
                default:
1328
                    goto fail_decode;
1329
                }
1330
            } else {
1331
                data_buf = ptr;
1332
                data_size = len;
1333
                ret = len;
1334
            }
1335
            ptr += ret;
1336
            len -= ret;
1337

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

    
1343
            ist->frame_decoded = 1;
1344

    
1345
            /* frame rate emulation */
1346
            if (ist->st->codec.rate_emu) {
1347
                int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.frame_rate_base, 1000000, ist->st->codec.frame_rate);
1348
                int64_t now = av_gettime() - ist->start;
1349
                if (pts > now)
1350
                    usleep(pts - now);
1351

    
1352
                ist->frame++;
1353
            }
1354

    
1355
#if 0
1356
            /* mpeg PTS deordering : if it is a P or I frame, the PTS
1357
               is the one of the next displayed one */
1358
            /* XXX: add mpeg4 too ? */
1359
            if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
1360
                if (ist->st->codec.pict_type != B_TYPE) {
1361
                    int64_t tmp;
1362
                    tmp = ist->last_ip_pts;
1363
                    ist->last_ip_pts  = ist->frac_pts.val;
1364
                    ist->frac_pts.val = tmp;
1365
                }
1366
            }
1367
#endif
1368
            /* transcode raw format, encode packets and output them */
1369

    
1370
            for(i=0;i<nb_ostreams;i++) {
1371
                int frame_size;
1372

    
1373
                ost = ost_table[i];
1374
                if (ost->source_index == ist_index) {
1375
                    os = output_files[ost->file_index];
1376

    
1377
#if 0
1378
                    printf("%d: got pts=%f %f\n", i, pkt.pts / 90000.0, 
1379
                           (ist->pts - ost->st->pts.val) / 90000.0);
1380
#endif
1381
                    /* set the input output pts pairs */
1382
                    ost->sync_ipts = (double)ist->pts * is->pts_num / 
1383
                        is->pts_den;
1384
                    /* XXX: take into account the various fifos,
1385
                       in particular for audio */
1386
                    ost->sync_opts = ost->st->pts.val;
1387
                    //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); 
1388

    
1389
                    if (ost->encoding_needed) {
1390
                        switch(ost->st->codec.codec_type) {
1391
                        case CODEC_TYPE_AUDIO:
1392
                            do_audio_out(os, ost, ist, data_buf, data_size);
1393
                            break;
1394
                        case CODEC_TYPE_VIDEO:
1395
                            /* find an audio stream for synchro */
1396
                            {
1397
                                int i;
1398
                                AVOutputStream *audio_sync, *ost1;
1399
                                audio_sync = NULL;
1400
                                for(i=0;i<nb_ostreams;i++) {
1401
                                    ost1 = ost_table[i];
1402
                                    if (ost1->file_index == ost->file_index &&
1403
                                        ost1->st->codec.codec_type == CODEC_TYPE_AUDIO) {
1404
                                        audio_sync = ost1;
1405
                                        break;
1406
                                    }
1407
                                }
1408

    
1409
                                do_video_out(os, ost, ist, &picture, &frame_size, audio_sync);
1410
                                if (do_vstats && frame_size)
1411
                                    do_video_stats(os, ost, frame_size);
1412
                            }
1413
                            break;
1414
                        default:
1415
                            av_abort();
1416
                        }
1417
                    } else {
1418
                        AVFrame avframe;
1419
                                                
1420
                        /* no reencoding needed : output the packet directly */
1421
                        /* force the input stream PTS */
1422
                        
1423
                        memset(&avframe, 0, sizeof(AVFrame));
1424
                        ost->st->codec.coded_frame= &avframe;
1425
                        avframe.key_frame = pkt.flags & PKT_FLAG_KEY; 
1426
                        
1427
                        av_write_frame(os, ost->index, data_buf, data_size);
1428
                        ost->st->codec.frame_number++;
1429
                        ost->frame_number++;
1430
                    }
1431
                }
1432
            }
1433
            av_free(buffer_to_free);
1434
        }
1435
    discard_packet:
1436
        av_free_packet(&pkt);
1437
        
1438
        /* dump report by using the output first video and audio streams */
1439
        print_report(output_files, ost_table, nb_ostreams, 0);
1440
    }
1441
    term_exit();
1442

    
1443
    /* dump report by using the first video and audio streams */
1444
    print_report(output_files, ost_table, nb_ostreams, 1);
1445

    
1446
    /* close each encoder */
1447
    for(i=0;i<nb_ostreams;i++) {
1448
        ost = ost_table[i];
1449
        if (ost->encoding_needed) {
1450
            av_freep(&ost->st->codec.stats_in);
1451
            avcodec_close(&ost->st->codec);
1452
        }
1453
    }
1454
    
1455
    /* close each decoder */
1456
    for(i=0;i<nb_istreams;i++) {
1457
        ist = ist_table[i];
1458
        if (ist->decoding_needed) {
1459
            avcodec_close(&ist->st->codec);
1460
        }
1461
    }
1462
    
1463

    
1464
    /* write the trailer if needed and close file */
1465
    for(i=0;i<nb_output_files;i++) {
1466
        os = output_files[i];
1467
        av_write_trailer(os);
1468
    }
1469
    /* finished ! */
1470
    
1471
    ret = 0;
1472
 fail1:
1473
    av_free(file_table);
1474

    
1475
    if (ist_table) {
1476
        for(i=0;i<nb_istreams;i++) {
1477
            ist = ist_table[i];
1478
            av_free(ist);
1479
        }
1480
        av_free(ist_table);
1481
    }
1482
    if (ost_table) {
1483
        for(i=0;i<nb_ostreams;i++) {
1484
            ost = ost_table[i];
1485
            if (ost) {
1486
                if (ost->logfile) {
1487
                    fclose(ost->logfile);
1488
                    ost->logfile = NULL;
1489
                }
1490
                fifo_free(&ost->fifo); /* works even if fifo is not
1491
                                          initialized but set to zero */
1492
                av_free(ost->pict_tmp.data[0]);
1493
                if (ost->video_resample)
1494
                    img_resample_close(ost->img_resample_ctx);
1495
                if (ost->audio_resample)
1496
                    audio_resample_close(ost->resample);
1497
                av_free(ost);
1498
            }
1499
        }
1500
        av_free(ost_table);
1501
    }
1502
    return ret;
1503
 fail:
1504
    ret = -ENOMEM;
1505
    goto fail1;
1506
}
1507

    
1508
#if 0
1509
int file_read(const char *filename)
1510
{
1511
    URLContext *h;
1512
    unsigned char buffer[1024];
1513
    int len, i;
1514

1515
    if (url_open(&h, filename, O_RDONLY) < 0) {
1516
        printf("could not open '%s'\n", filename);
1517
        return -1;
1518
    }
1519
    for(;;) {
1520
        len = url_read(h, buffer, sizeof(buffer));
1521
        if (len <= 0)
1522
            break;
1523
        for(i=0;i<len;i++) putchar(buffer[i]);
1524
    }
1525
    url_close(h);
1526
    return 0;
1527
}
1528
#endif
1529

    
1530
static void opt_image_format(const char *arg)
1531
{
1532
    AVImageFormat *f;
1533
    
1534
    for(f = first_image_format; f != NULL; f = f->next) {
1535
        if (!strcmp(arg, f->name))
1536
            break;
1537
    }
1538
    if (!f) {
1539
        fprintf(stderr, "Unknown image format: '%s'\n", arg);
1540
        exit(1);
1541
    }
1542
    image_format = f;
1543
}
1544

    
1545
static void opt_format(const char *arg)
1546
{
1547
    /* compatibility stuff for pgmyuv */
1548
    if (!strcmp(arg, "pgmyuv")) {
1549
        opt_image_format(arg);
1550
        arg = "image";
1551
    }
1552

    
1553
    file_iformat = av_find_input_format(arg);
1554
    file_oformat = guess_format(arg, NULL, NULL);
1555
    if (!file_iformat && !file_oformat) {
1556
        fprintf(stderr, "Unknown input or output format: %s\n", arg);
1557
        exit(1);
1558
    }
1559
}
1560

    
1561
static void opt_video_bitrate(const char *arg)
1562
{
1563
    video_bit_rate = atoi(arg) * 1000;
1564
}
1565

    
1566
static void opt_video_bitrate_tolerance(const char *arg)
1567
{
1568
    video_bit_rate_tolerance = atoi(arg) * 1000;
1569
}
1570

    
1571
static void opt_video_bitrate_max(const char *arg)
1572
{
1573
    video_rc_max_rate = atoi(arg) * 1000;
1574
}
1575

    
1576
static void opt_video_bitrate_min(const char *arg)
1577
{
1578
    video_rc_min_rate = atoi(arg) * 1000;
1579
}
1580

    
1581
static void opt_video_buffer_size(const char *arg)
1582
{
1583
    video_rc_buffer_size = atoi(arg) * 1000;
1584
}
1585

    
1586
static void opt_video_rc_eq(char *arg)
1587
{
1588
    video_rc_eq = arg;
1589
}
1590

    
1591
static void opt_video_rc_override_string(char *arg)
1592
{
1593
    video_rc_override_string = arg;
1594
}
1595

    
1596

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

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

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

    
1612

    
1613
static void opt_error_resilience(const char *arg)
1614
{
1615
    error_resilience = atoi(arg);
1616
}
1617

    
1618
static void opt_error_concealment(const char *arg)
1619
{
1620
    error_concealment = atoi(arg);
1621
}
1622

    
1623
static void opt_debug(const char *arg)
1624
{
1625
    debug = atoi(arg);
1626
}
1627

    
1628
static void opt_verbose(const char *arg)
1629
{
1630
    verbose = atoi(arg);
1631
}
1632

    
1633
static void opt_frame_rate(const char *arg)
1634
{
1635
    if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
1636
        fprintf(stderr, "Incorrect frame rate\n");
1637
        exit(1);
1638
    }
1639
}
1640

    
1641
static void opt_frame_crop_top(const char *arg)
1642
{
1643
    frame_topBand = atoi(arg); 
1644
    if (frame_topBand < 0) {
1645
        fprintf(stderr, "Incorrect top crop size\n");
1646
        exit(1);
1647
    }
1648
    if ((frame_topBand % 2) != 0) {
1649
        fprintf(stderr, "Top crop size must be a multiple of 2\n");
1650
        exit(1);
1651
    }
1652
    if ((frame_topBand) >= frame_height){
1653
            fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1654
        exit(1);
1655
    }
1656
    frame_height -= frame_topBand;
1657
}
1658

    
1659
static void opt_frame_crop_bottom(const char *arg)
1660
{
1661
    frame_bottomBand = atoi(arg);
1662
    if (frame_bottomBand < 0) {
1663
        fprintf(stderr, "Incorrect bottom crop size\n");
1664
        exit(1);
1665
    }
1666
    if ((frame_bottomBand % 2) != 0) {
1667
        fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
1668
        exit(1);        
1669
    }
1670
    if ((frame_bottomBand) >= frame_height){
1671
            fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1672
        exit(1);
1673
    }
1674
    frame_height -= frame_bottomBand;
1675
}
1676

    
1677
static void opt_frame_crop_left(const char *arg)
1678
{
1679
    frame_leftBand = atoi(arg);
1680
    if (frame_leftBand < 0) {
1681
        fprintf(stderr, "Incorrect left crop size\n");
1682
        exit(1);
1683
    }
1684
    if ((frame_leftBand % 2) != 0) {
1685
        fprintf(stderr, "Left crop size must be a multiple of 2\n");
1686
        exit(1);
1687
    }
1688
    if ((frame_leftBand) >= frame_width){
1689
            fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1690
        exit(1);
1691
    }
1692
    frame_width -= frame_leftBand;
1693
}
1694

    
1695
static void opt_frame_crop_right(const char *arg)
1696
{
1697
    frame_rightBand = atoi(arg);
1698
    if (frame_rightBand < 0) {
1699
        fprintf(stderr, "Incorrect right crop size\n");
1700
        exit(1);
1701
    }
1702
    if ((frame_rightBand % 2) != 0) {
1703
        fprintf(stderr, "Right crop size must be a multiple of 2\n");
1704
        exit(1);        
1705
    }
1706
    if ((frame_rightBand) >= frame_width){
1707
            fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1708
        exit(1);
1709
    }
1710
    frame_width -= frame_rightBand;
1711
}
1712

    
1713
static void opt_frame_size(const char *arg)
1714
{
1715
    if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
1716
        fprintf(stderr, "Incorrect frame size\n");
1717
        exit(1);
1718
    }
1719
    if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
1720
        fprintf(stderr, "Frame size must be a multiple of 2\n");
1721
        exit(1);
1722
    }
1723
}
1724

    
1725
static void opt_frame_pix_fmt(const char *arg)
1726
{
1727
    frame_pix_fmt = avcodec_get_pix_fmt(arg);
1728
}
1729

    
1730
static void opt_frame_aspect_ratio(const char *arg)
1731
{
1732
    int x = 0, y = 0;
1733
    double ar = 0;
1734
    const char *p;
1735
    
1736
    p = strchr(arg, ':');
1737
    if (p) {
1738
        x = strtol(arg, (char **)&arg, 10);
1739
        if (arg == p)
1740
            y = strtol(arg+1, (char **)&arg, 10);
1741
        if (x > 0 && y > 0)
1742
            ar = (double)x / (double)y;
1743
    } else
1744
        ar = strtod(arg, (char **)&arg);
1745

    
1746
    if (!ar) {
1747
        fprintf(stderr, "Incorrect aspect ratio specification.\n");
1748
        exit(1);
1749
    }
1750
    frame_aspect_ratio = ar;
1751
}
1752

    
1753
static void opt_gop_size(const char *arg)
1754
{
1755
    gop_size = atoi(arg);
1756
}
1757

    
1758
static void opt_b_frames(const char *arg)
1759
{
1760
    b_frames = atoi(arg);
1761
    if (b_frames > FF_MAX_B_FRAMES) {
1762
        fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
1763
        exit(1);
1764
    } else if (b_frames < 1) {
1765
        fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
1766
        exit(1);
1767
    }
1768
}
1769

    
1770
static void opt_mb_decision(const char *arg)
1771
{
1772
    mb_decision = atoi(arg);
1773
}
1774

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

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

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

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

    
1815
static void opt_mb_qmax(const char *arg)
1816
{
1817
    video_mb_qmax = atoi(arg);
1818
    if (video_mb_qmax < 0 ||
1819
        video_mb_qmax > 31) {
1820
        fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1821
        exit(1);
1822
    }
1823
}
1824

    
1825
static void opt_qdiff(const char *arg)
1826
{
1827
    video_qdiff = atoi(arg);
1828
    if (video_qdiff < 0 ||
1829
        video_qdiff > 31) {
1830
        fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
1831
        exit(1);
1832
    }
1833
}
1834

    
1835
static void opt_qblur(const char *arg)
1836
{
1837
    video_qblur = atof(arg);
1838
}
1839

    
1840
static void opt_qcomp(const char *arg)
1841
{
1842
    video_qcomp = atof(arg);
1843
}
1844

    
1845
static void opt_rc_initial_cplx(const char *arg)
1846
{
1847
    video_rc_initial_cplx = atof(arg);
1848
}
1849
static void opt_b_qfactor(const char *arg)
1850
{
1851
    video_b_qfactor = atof(arg);
1852
}
1853
static void opt_i_qfactor(const char *arg)
1854
{
1855
    video_i_qfactor = atof(arg);
1856
}
1857
static void opt_b_qoffset(const char *arg)
1858
{
1859
    video_b_qoffset = atof(arg);
1860
}
1861
static void opt_i_qoffset(const char *arg)
1862
{
1863
    video_i_qoffset = atof(arg);
1864
}
1865

    
1866
static void opt_packet_size(const char *arg)
1867
{
1868
    packet_size= atoi(arg);
1869
}
1870

    
1871
static void opt_strict(const char *arg)
1872
{
1873
    strict= atoi(arg);
1874
}
1875

    
1876
static void opt_audio_bitrate(const char *arg)
1877
{
1878
    audio_bit_rate = atoi(arg) * 1000;
1879
}
1880

    
1881
static void opt_audio_rate(const char *arg)
1882
{
1883
    audio_sample_rate = atoi(arg);
1884
}
1885

    
1886
static void opt_audio_channels(const char *arg)
1887
{
1888
    audio_channels = atoi(arg);
1889
}
1890

    
1891
static void opt_video_device(const char *arg)
1892
{
1893
    video_device = av_strdup(arg);
1894
}
1895

    
1896
static void opt_video_channel(const char *arg)
1897
{
1898
    video_channel = strtol(arg, NULL, 0);
1899
}
1900

    
1901
static void opt_video_standard(const char *arg)
1902
{
1903
    video_standard = av_strdup(arg);
1904
}
1905

    
1906
static void opt_audio_device(const char *arg)
1907
{
1908
    audio_device = av_strdup(arg);
1909
}
1910

    
1911
static void opt_dv1394(const char *arg)
1912
{
1913
    video_grab_format = "dv1394";
1914
    audio_grab_format = NULL;
1915
}
1916

    
1917
static void opt_audio_codec(const char *arg)
1918
{
1919
    AVCodec *p;
1920

    
1921
    if (!strcmp(arg, "copy")) {
1922
        audio_stream_copy = 1;
1923
    } else {
1924
        p = first_avcodec;
1925
        while (p) {
1926
            if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
1927
                break;
1928
            p = p->next;
1929
        }
1930
        if (p == NULL) {
1931
            fprintf(stderr, "Unknown audio codec '%s'\n", arg);
1932
            exit(1);
1933
        } else {
1934
            audio_codec_id = p->id;
1935
        }
1936
    }
1937
}
1938

    
1939
static void add_frame_hooker(const char *arg)
1940
{
1941
    int argc = 0;
1942
    char *argv[64];
1943
    int i;
1944
    char *args = av_strdup(arg);
1945

    
1946
    using_vhook = 1;
1947

    
1948
    argv[0] = strtok(args, " ");
1949
    while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
1950
    }
1951

    
1952
    i = frame_hook_add(argc, argv);
1953

    
1954
    if (i != 0) {
1955
        fprintf(stderr, "Failed to add video hook function: %s\n", arg);
1956
        exit(1);
1957
    }
1958
}
1959

    
1960
const char *motion_str[] = {
1961
    "zero",
1962
    "full",
1963
    "log",
1964
    "phods",
1965
    "epzs",
1966
    "x1",
1967
    NULL,
1968
};
1969

    
1970
static void opt_motion_estimation(const char *arg)
1971
{
1972
    const char **p;
1973
    p = motion_str;
1974
    for(;;) {
1975
        if (!*p) {
1976
            fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
1977
            exit(1);
1978
        }
1979
        if (!strcmp(*p, arg))
1980
            break;
1981
        p++;
1982
    }
1983
    me_method = (p - motion_str) + 1;
1984
}
1985

    
1986
static void opt_video_codec(const char *arg)
1987
{
1988
    AVCodec *p;
1989

    
1990
    if (!strcmp(arg, "copy")) {
1991
        video_stream_copy = 1;
1992
    } else {
1993
        p = first_avcodec;
1994
        while (p) {
1995
            if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
1996
                break;
1997
            p = p->next;
1998
        }
1999
        if (p == NULL) {
2000
            fprintf(stderr, "Unknown video codec '%s'\n", arg);
2001
            exit(1);
2002
        } else {
2003
            video_codec_id = p->id;
2004
        }
2005
    }
2006
}
2007

    
2008
static void opt_map(const char *arg)
2009
{
2010
    AVStreamMap *m;
2011
    const char *p;
2012

    
2013
    p = arg;
2014
    m = &stream_maps[nb_stream_maps++];
2015

    
2016
    m->file_index = strtol(arg, (char **)&p, 0);
2017
    if (*p)
2018
        p++;
2019

    
2020
    m->stream_index = strtol(p, (char **)&p, 0);
2021
}
2022

    
2023
static void opt_recording_time(const char *arg)
2024
{
2025
    recording_time = parse_date(arg, 1);
2026
}
2027

    
2028
static void opt_input_file(const char *filename)
2029
{
2030
    AVFormatContext *ic;
2031
    AVFormatParameters params, *ap = &params;
2032
    int err, i, ret, rfps, rfps_base;
2033

    
2034
    if (!strcmp(filename, "-"))
2035
        filename = "pipe:";
2036

    
2037
    using_stdin |= !strcmp(filename, "pipe:" ) || 
2038
                   !strcmp( filename, "/dev/stdin" );
2039

    
2040
    /* get default parameters from command line */
2041
    memset(ap, 0, sizeof(*ap));
2042
    ap->sample_rate = audio_sample_rate;
2043
    ap->channels = audio_channels;
2044
    ap->frame_rate = frame_rate;
2045
    ap->frame_rate_base = frame_rate_base;
2046
    ap->width = frame_width;
2047
    ap->height = frame_height;
2048
    ap->image_format = image_format;
2049
    ap->pix_fmt = frame_pix_fmt;
2050

    
2051
    /* open the input file with generic libav function */
2052
    err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2053
    if (err < 0) {
2054
        print_error(filename, err);
2055
        exit(1);
2056
    }
2057
    
2058
    /* If not enough info to get the stream parameters, we decode the
2059
       first frames to get it. (used in mpeg case for example) */
2060
    ret = av_find_stream_info(ic);
2061
    if (ret < 0) {
2062
        fprintf(stderr, "%s: could not find codec parameters\n", filename);
2063
        exit(1);
2064
    }
2065

    
2066
    /* update the current parameters so that they match the one of the input stream */
2067
    for(i=0;i<ic->nb_streams;i++) {
2068
        AVCodecContext *enc = &ic->streams[i]->codec;
2069
        switch(enc->codec_type) {
2070
        case CODEC_TYPE_AUDIO:
2071
            //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2072
            audio_channels = enc->channels;
2073
            audio_sample_rate = enc->sample_rate;
2074
            break;
2075
        case CODEC_TYPE_VIDEO:
2076
            frame_height = enc->height;
2077
            frame_width = enc->width;
2078
            frame_aspect_ratio = enc->aspect_ratio;
2079
            frame_pix_fmt = enc->pix_fmt;
2080
            rfps      = ic->streams[i]->r_frame_rate;
2081
            rfps_base = ic->streams[i]->r_frame_rate_base;
2082
            enc->workaround_bugs = workaround_bugs;
2083
            enc->error_resilience = error_resilience; 
2084
            enc->error_concealment = error_concealment; 
2085
            enc->idct_algo= idct_algo;
2086
            enc->debug= debug;
2087
/*            if(enc->codec->capabilities & CODEC_CAP_TRUNCATED)
2088
                enc->flags|= CODEC_FLAG_TRUNCATED; */
2089
            if(/*enc->codec_id==CODEC_ID_MPEG4 || */enc->codec_id==CODEC_ID_MPEG1VIDEO || enc->codec_id==CODEC_ID_H264)
2090
                enc->flags|= CODEC_FLAG_TRUNCATED;
2091
            
2092
            if(bitexact)
2093
                enc->flags|= CODEC_FLAG_BITEXACT;
2094

    
2095
            assert(enc->frame_rate_base == rfps_base); // should be true for now
2096
            if (enc->frame_rate != rfps) { 
2097
                fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
2098
                    i, (float)enc->frame_rate / enc->frame_rate_base,
2099
                    (float)rfps / rfps_base);
2100
            }
2101
            /* update the current frame rate to match the stream frame rate */
2102
            frame_rate      = rfps;
2103
            frame_rate_base = rfps_base;
2104

    
2105
            enc->rate_emu = rate_emu;
2106
            break;
2107
        default:
2108
            av_abort();
2109
        }
2110
    }
2111
    
2112
    input_files[nb_input_files] = ic;
2113
    /* dump the file content */
2114
    dump_format(ic, nb_input_files, filename, 0);
2115
    nb_input_files++;
2116
    file_iformat = NULL;
2117
    file_oformat = NULL;
2118
    image_format = NULL;
2119

    
2120
    rate_emu = 0;
2121
}
2122

    
2123
static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2124
{
2125
    int has_video, has_audio, i, j;
2126
    AVFormatContext *ic;
2127

    
2128
    has_video = 0;
2129
    has_audio = 0;
2130
    for(j=0;j<nb_input_files;j++) {
2131
        ic = input_files[j];
2132
        for(i=0;i<ic->nb_streams;i++) {
2133
            AVCodecContext *enc = &ic->streams[i]->codec;
2134
            switch(enc->codec_type) {
2135
            case CODEC_TYPE_AUDIO:
2136
                has_audio = 1;
2137
                break;
2138
            case CODEC_TYPE_VIDEO:
2139
                has_video = 1;
2140
                break;
2141
            default:
2142
                av_abort();
2143
            }
2144
        }
2145
    }
2146
    *has_video_ptr = has_video;
2147
    *has_audio_ptr = has_audio;
2148
}
2149

    
2150
static void opt_output_file(const char *filename)
2151
{
2152
    AVStream *st;
2153
    AVFormatContext *oc;
2154
    int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
2155
    int codec_id;
2156
    AVFormatParameters params, *ap = &params;
2157

    
2158
    if (!strcmp(filename, "-"))
2159
        filename = "pipe:";
2160

    
2161
    oc = av_mallocz(sizeof(AVFormatContext));
2162

    
2163
    if (!file_oformat) {
2164
        file_oformat = guess_format(NULL, filename, NULL);
2165
        if (!file_oformat) {
2166
            fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2167
                    filename);
2168
            exit(1);
2169
        }
2170
    }
2171
    
2172
    oc->oformat = file_oformat;
2173

    
2174
    if (!strcmp(file_oformat->name, "ffm") && 
2175
        strstart(filename, "http:", NULL)) {
2176
        /* special case for files sent to ffserver: we get the stream
2177
           parameters from ffserver */
2178
        if (read_ffserver_streams(oc, filename) < 0) {
2179
            fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2180
            exit(1);
2181
        }
2182
    } else {
2183
        use_video = file_oformat->video_codec != CODEC_ID_NONE;
2184
        use_audio = file_oformat->audio_codec != CODEC_ID_NONE;
2185

    
2186
        /* disable if no corresponding type found and at least one
2187
           input file */
2188
        if (nb_input_files > 0) {
2189
            check_audio_video_inputs(&input_has_video, &input_has_audio);
2190
            if (!input_has_video)
2191
                use_video = 0;
2192
            if (!input_has_audio)
2193
                use_audio = 0;
2194
        }
2195

    
2196
        /* manual disable */
2197
        if (audio_disable) {
2198
            use_audio = 0;
2199
        }
2200
        if (video_disable) {
2201
            use_video = 0;
2202
        }
2203
        
2204
        nb_streams = 0;
2205
        if (use_video) {
2206
            AVCodecContext *video_enc;
2207
            
2208
            st = av_mallocz(sizeof(AVStream));
2209
            if (!st) {
2210
                fprintf(stderr, "Could not alloc stream\n");
2211
                exit(1);
2212
            }
2213
            avcodec_get_context_defaults(&st->codec);
2214

    
2215
            video_enc = &st->codec;
2216
            
2217
            if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
2218
                video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2219
            if (video_stream_copy) {
2220
                st->stream_copy = 1;
2221
                video_enc->codec_type = CODEC_TYPE_VIDEO;
2222
            } else {
2223
                char *p;
2224
                int i;
2225
            
2226
                codec_id = file_oformat->video_codec;
2227
                if (video_codec_id != CODEC_ID_NONE)
2228
                    codec_id = video_codec_id;
2229
                
2230
                video_enc->codec_id = codec_id;
2231
                
2232
                video_enc->bit_rate = video_bit_rate;
2233
                video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
2234
                video_enc->frame_rate = frame_rate; 
2235
                video_enc->frame_rate_base = frame_rate_base; 
2236
                
2237
                video_enc->width = frame_width;
2238
                video_enc->height = frame_height;
2239
                video_enc->aspect_ratio = frame_aspect_ratio;
2240
                video_enc->pix_fmt = frame_pix_fmt;
2241

    
2242
                if (!intra_only)
2243
                    video_enc->gop_size = gop_size;
2244
                else
2245
                    video_enc->gop_size = 0;
2246
                if (video_qscale || same_quality) {
2247
                    video_enc->flags |= CODEC_FLAG_QSCALE;
2248
                    st->quality = video_qscale;
2249
                }
2250
                
2251
                if(bitexact)
2252
                    video_enc->flags |= CODEC_FLAG_BITEXACT;
2253

    
2254
                video_enc->mb_decision = mb_decision;
2255
                
2256
                if (use_umv) {
2257
                    video_enc->flags |= CODEC_FLAG_H263P_UMV;
2258
                }
2259
                   if (use_aic) {
2260
                    video_enc->flags |= CODEC_FLAG_H263P_AIC;
2261
                }
2262
                if (use_4mv) {
2263
                    video_enc->mb_decision = FF_MB_DECISION_BITS; //FIXME remove
2264
                    video_enc->flags |= CODEC_FLAG_4MV;
2265
                }
2266
            
2267
                if(use_part)
2268
                    video_enc->flags |= CODEC_FLAG_PART;
2269
               
2270
            
2271
                if (b_frames) {
2272
                    video_enc->max_b_frames = b_frames;
2273
                    video_enc->b_frame_strategy = 0;
2274
                    video_enc->b_quant_factor = 2.0;
2275
                }
2276
            
2277
                video_enc->qmin = video_qmin;
2278
                video_enc->qmax = video_qmax;
2279
                video_enc->mb_qmin = video_mb_qmin;
2280
                video_enc->mb_qmax = video_mb_qmax;
2281
                video_enc->max_qdiff = video_qdiff;
2282
                video_enc->qblur = video_qblur;
2283
                video_enc->qcompress = video_qcomp;
2284
                video_enc->rc_eq = video_rc_eq;
2285
                video_enc->debug= debug;
2286
                
2287
                p= video_rc_override_string;
2288
                for(i=0; p; i++){
2289
                    int start, end, q;
2290
                    int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2291
                    if(e!=3){
2292
                        fprintf(stderr, "error parsing rc_override\n");
2293
                        exit(1);
2294
                    }
2295
                    video_enc->rc_override= 
2296
                        av_realloc(video_enc->rc_override, 
2297
                                   sizeof(RcOverride)*(i+1));
2298
                    video_enc->rc_override[i].start_frame= start;
2299
                    video_enc->rc_override[i].end_frame  = end;
2300
                    if(q>0){
2301
                        video_enc->rc_override[i].qscale= q;
2302
                        video_enc->rc_override[i].quality_factor= 1.0;
2303
                    }
2304
                    else{
2305
                        video_enc->rc_override[i].qscale= 0;
2306
                        video_enc->rc_override[i].quality_factor= -q/100.0;
2307
                    }
2308
                    p= strchr(p, '/');
2309
                    if(p) p++;
2310
                }
2311
                video_enc->rc_override_count=i;
2312

    
2313
                video_enc->rc_max_rate = video_rc_max_rate;
2314
                video_enc->rc_min_rate = video_rc_min_rate;
2315
                video_enc->rc_buffer_size = video_rc_buffer_size;
2316
                video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
2317
                video_enc->rc_initial_cplx= video_rc_initial_cplx;
2318
                video_enc->i_quant_factor = video_i_qfactor;
2319
                video_enc->b_quant_factor = video_b_qfactor;
2320
                video_enc->i_quant_offset = video_i_qoffset;
2321
                video_enc->b_quant_offset = video_b_qoffset;
2322
                video_enc->dct_algo = dct_algo;
2323
                video_enc->idct_algo = idct_algo;
2324
                video_enc->strict_std_compliance = strict;
2325
                if(packet_size){
2326
                    video_enc->rtp_mode= 1;
2327
                    video_enc->rtp_payload_size= packet_size;
2328
                }
2329
            
2330
                if (do_psnr)
2331
                    video_enc->flags|= CODEC_FLAG_PSNR;
2332
            
2333
                video_enc->me_method = me_method;
2334

    
2335
                /* two pass mode */
2336
                if (do_pass) {
2337
                    if (do_pass == 1) {
2338
                        video_enc->flags |= CODEC_FLAG_PASS1;
2339
                    } else {
2340
                        video_enc->flags |= CODEC_FLAG_PASS2;
2341
                    }
2342
                }
2343
            }
2344
            oc->streams[nb_streams] = st;
2345
            nb_streams++;
2346
        }
2347
    
2348
        if (use_audio) {
2349
            AVCodecContext *audio_enc;
2350

    
2351
            st = av_mallocz(sizeof(AVStream));
2352
            if (!st) {
2353
                fprintf(stderr, "Could not alloc stream\n");
2354
                exit(1);
2355
            }
2356
            avcodec_get_context_defaults(&st->codec);
2357

    
2358
            audio_enc = &st->codec;
2359
            audio_enc->codec_type = CODEC_TYPE_AUDIO;
2360
            if (audio_stream_copy) {
2361
                st->stream_copy = 1;
2362
            } else {
2363
                codec_id = file_oformat->audio_codec;
2364
                if (audio_codec_id != CODEC_ID_NONE)
2365
                    codec_id = audio_codec_id;
2366
                audio_enc->codec_id = codec_id;
2367
                
2368
                audio_enc->bit_rate = audio_bit_rate;
2369
                audio_enc->sample_rate = audio_sample_rate;
2370
                /* For audio codecs other than AC3 we limit */
2371
                /* the number of coded channels to stereo   */
2372
                if (audio_channels > 2 && codec_id != CODEC_ID_AC3) {
2373
                    audio_enc->channels = 2;
2374
                } else
2375
                    audio_enc->channels = audio_channels;
2376
            }
2377
            oc->streams[nb_streams] = st;
2378
            nb_streams++;
2379
        }
2380

    
2381
        oc->nb_streams = nb_streams;
2382

    
2383
        if (!nb_streams) {
2384
            fprintf(stderr, "No audio or video streams available\n");
2385
            exit(1);
2386
        }
2387

    
2388
        if (str_title)
2389
            pstrcpy(oc->title, sizeof(oc->title), str_title);
2390
        if (str_author)
2391
            pstrcpy(oc->author, sizeof(oc->author), str_author);
2392
        if (str_copyright)
2393
            pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
2394
        if (str_comment)
2395
            pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
2396
    }
2397

    
2398
    output_files[nb_output_files++] = oc;
2399

    
2400
    strcpy(oc->filename, filename);
2401

    
2402
    /* check filename in case of an image number is expected */
2403
    if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
2404
        if (filename_number_test(oc->filename) < 0) {
2405
            print_error(oc->filename, AVERROR_NUMEXPECTED);
2406
            exit(1);
2407
        }
2408
    }
2409

    
2410
    if (!(oc->oformat->flags & AVFMT_NOFILE)) {
2411
        /* test if it already exists to avoid loosing precious files */
2412
        if (!file_overwrite && 
2413
            (strchr(filename, ':') == NULL ||
2414
             strstart(filename, "file:", NULL))) {
2415
            if (url_exist(filename)) {
2416
                int c;
2417
                
2418
                if ( !using_stdin ) {
2419
                    fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
2420
                    fflush(stderr);
2421
                    c = getchar();
2422
                    if (toupper(c) != 'Y') {
2423
                        fprintf(stderr, "Not overwriting - exiting\n");
2424
                        exit(1);
2425
                    }
2426
                                }
2427
                                else {
2428
                    fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
2429
                    exit(1);
2430
                                }
2431
            }
2432
        }
2433
        
2434
        /* open the file */
2435
        if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
2436
            fprintf(stderr, "Could not open '%s'\n", filename);
2437
            exit(1);
2438
        }
2439
    }
2440

    
2441
    memset(ap, 0, sizeof(*ap));
2442
    ap->image_format = image_format;
2443
    if (av_set_parameters(oc, ap) < 0) {
2444
        fprintf(stderr, "%s: Invalid encoding parameters\n",
2445
                oc->filename);
2446
        exit(1);
2447
    }
2448

    
2449
    /* reset some options */
2450
    file_oformat = NULL;
2451
    file_iformat = NULL;
2452
    image_format = NULL;
2453
    audio_disable = 0;
2454
    video_disable = 0;
2455
    audio_codec_id = CODEC_ID_NONE;
2456
    video_codec_id = CODEC_ID_NONE;
2457
    audio_stream_copy = 0;
2458
    video_stream_copy = 0;
2459
}
2460

    
2461
/* prepare dummy protocols for grab */
2462
static void prepare_grab(void)
2463
{
2464
    int has_video, has_audio, i, j;
2465
    AVFormatContext *oc;
2466
    AVFormatContext *ic;
2467
    AVFormatParameters vp1, *vp = &vp1;
2468
    AVFormatParameters ap1, *ap = &ap1;
2469
    
2470
    /* see if audio/video inputs are needed */
2471
    has_video = 0;
2472
    has_audio = 0;
2473
    memset(ap, 0, sizeof(*ap));
2474
    memset(vp, 0, sizeof(*vp));
2475
    for(j=0;j<nb_output_files;j++) {
2476
        oc = output_files[j];
2477
        for(i=0;i<oc->nb_streams;i++) {
2478
            AVCodecContext *enc = &oc->streams[i]->codec;
2479
            switch(enc->codec_type) {
2480
            case CODEC_TYPE_AUDIO:
2481
                if (enc->sample_rate > ap->sample_rate)
2482
                    ap->sample_rate = enc->sample_rate;
2483
                if (enc->channels > ap->channels)
2484
                    ap->channels = enc->channels;
2485
                has_audio = 1;
2486
                break;
2487
            case CODEC_TYPE_VIDEO:
2488
                if (enc->width > vp->width)
2489
                    vp->width = enc->width;
2490
                if (enc->height > vp->height)
2491
                    vp->height = enc->height;
2492
                
2493
                assert(enc->frame_rate_base == DEFAULT_FRAME_RATE_BASE);
2494
                if (enc->frame_rate > vp->frame_rate){
2495
                    vp->frame_rate      = enc->frame_rate;
2496
                    vp->frame_rate_base = enc->frame_rate_base;
2497
                }
2498
                has_video = 1;
2499
                break;
2500
            default:
2501
                av_abort();
2502
            }
2503
        }
2504
    }
2505
    
2506
    if (has_video == 0 && has_audio == 0) {
2507
        fprintf(stderr, "Output file must have at least one audio or video stream\n");
2508
        exit(1);
2509
    }
2510
    
2511
    if (has_video) {
2512
        AVInputFormat *fmt1;
2513
        fmt1 = av_find_input_format(video_grab_format);
2514
        vp->device  = video_device;
2515
        vp->channel = video_channel;
2516
        vp->standard = video_standard;
2517
        if (av_open_input_file(&ic, "", fmt1, 0, vp) < 0) {
2518
            fprintf(stderr, "Could not find video grab device\n");
2519
            exit(1);
2520
        }
2521
        /* by now video grab has one stream */
2522
        ic->streams[0]->r_frame_rate      = vp->frame_rate;
2523
        ic->streams[0]->r_frame_rate_base = vp->frame_rate_base;
2524
        input_files[nb_input_files] = ic;
2525
        dump_format(ic, nb_input_files, "", 0);
2526
        nb_input_files++;
2527
    }
2528
    if (has_audio && audio_grab_format) {
2529
        AVInputFormat *fmt1;
2530
        fmt1 = av_find_input_format(audio_grab_format);
2531
        ap->device = audio_device;
2532
        if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
2533
            fprintf(stderr, "Could not find audio grab device\n");
2534
            exit(1);
2535
        }
2536
        input_files[nb_input_files] = ic;
2537
        dump_format(ic, nb_input_files, "", 0);
2538
        nb_input_files++;
2539
    }
2540
}
2541

    
2542
/* same option as mencoder */
2543
static void opt_pass(const char *pass_str)
2544
{
2545
    int pass;
2546
    pass = atoi(pass_str);
2547
    if (pass != 1 && pass != 2) {
2548
        fprintf(stderr, "pass number can be only 1 or 2\n");
2549
        exit(1);
2550
    }
2551
    do_pass = pass;
2552
}
2553

    
2554
#if defined(CONFIG_WIN32) || defined(CONFIG_OS2)
2555
static int64_t getutime(void)
2556
{
2557
  return av_gettime();
2558
}
2559
#else
2560
static int64_t getutime(void)
2561
{
2562
    struct rusage rusage;
2563

    
2564
    getrusage(RUSAGE_SELF, &rusage);
2565
    return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2566
}
2567
#endif
2568

    
2569
extern int ffm_nopts;
2570

    
2571
static void opt_bitexact(void)
2572
{
2573
    bitexact=1;
2574
    /* disable generate of real time pts in ffm (need to be supressed anyway) */
2575
    ffm_nopts = 1;
2576
}
2577

    
2578
static void show_formats(void)
2579
{
2580
    AVInputFormat *ifmt;
2581
    AVOutputFormat *ofmt;
2582
    AVImageFormat *image_fmt;
2583
    URLProtocol *up;
2584
    AVCodec *p;
2585
    const char **pp;
2586

    
2587
    printf("Output audio/video file formats:");
2588
    for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
2589
        printf(" %s", ofmt->name);
2590
    }
2591
    printf("\n");
2592

    
2593
    printf("Input audio/video file formats:");
2594
    for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
2595
        printf(" %s", ifmt->name);
2596
    }
2597
    printf("\n");
2598

    
2599
    printf("Output image formats:");
2600
    for(image_fmt = first_image_format; image_fmt != NULL; 
2601
        image_fmt = image_fmt->next) {
2602
        if (image_fmt->img_write)
2603
            printf(" %s", image_fmt->name);
2604
    }
2605
    printf("\n");
2606

    
2607
    printf("Input image formats:");
2608
    for(image_fmt = first_image_format; image_fmt != NULL; 
2609
        image_fmt = image_fmt->next) {
2610
        if (image_fmt->img_read)
2611
            printf(" %s", image_fmt->name);
2612
    }
2613
    printf("\n");
2614

    
2615
    printf("Codecs:\n");
2616
    printf("  Encoders:");
2617
    for(p = first_avcodec; p != NULL; p = p->next) {
2618
        if (p->encode)
2619
            printf(" %s", p->name);
2620
    }
2621
    printf("\n");
2622

    
2623
    printf("  Decoders:");
2624
    for(p = first_avcodec; p != NULL; p = p->next) {
2625
        if (p->decode)
2626
            printf(" %s", p->name);
2627
    }
2628
    printf("\n");
2629

    
2630
    printf("Supported file protocols:");
2631
    for(up = first_protocol; up != NULL; up = up->next)
2632
        printf(" %s:", up->name);
2633
    printf("\n");
2634
    
2635
    printf("Frame size, frame rate abbreviations: ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
2636
    printf("Motion estimation methods:");
2637
    pp = motion_str;
2638
    while (*pp) {
2639
        printf(" %s", *pp);
2640
        if ((pp - motion_str + 1) == ME_ZERO) 
2641
            printf("(fastest)");
2642
        else if ((pp - motion_str + 1) == ME_FULL) 
2643
            printf("(slowest)");
2644
        else if ((pp - motion_str + 1) == ME_EPZS) 
2645
            printf("(default)");
2646
        pp++;
2647
    }
2648
    printf("\n");
2649
    exit(1);
2650
}
2651

    
2652
const OptionDef options[] = {
2653
    /* main options */
2654
    { "L", 0, {(void*)show_license}, "show license" },
2655
    { "h", 0, {(void*)show_help}, "show help" },
2656
    { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
2657
    { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
2658
    { "img", HAS_ARG, {(void*)opt_image_format}, "force image format", "img_fmt" },
2659
    { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
2660
    { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
2661
    { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream" },
2662
    { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
2663
    { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
2664
    { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
2665
    { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
2666
    { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
2667
    { "debug", HAS_ARG | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
2668
    { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark}, 
2669
      "add timings for benchmarking" },
2670
    { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump}, 
2671
      "dump each input packet" },
2672
    { "bitexact", OPT_EXPERT, {(void*)opt_bitexact}, "only use bit exact algorithms (for codec testing)" }, 
2673
    { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
2674
    { "loop", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
2675
    { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
2676

    
2677
    /* video options */
2678
    { "b", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" },
2679
    { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
2680
    { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
2681
    { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
2682
    { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
2683
    { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
2684
    { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
2685
    { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
2686
    { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
2687
    { "g", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_gop_size}, "set the group of picture size", "gop_size" },
2688
    { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
2689
    { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
2690
    { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
2691
    { "qmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmin}, "min video quantiser scale (VBR)", "q" },
2692
    { "qmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmax}, "max video quantiser scale (VBR)", "q" },
2693
    { "mbqmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_qmin}, "min macroblock quantiser scale (VBR)", "q" },
2694
    { "mbqmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_qmax}, "max macroblock quantiser scale (VBR)", "q" },
2695
    { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" },
2696
    { "qblur", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" },
2697
    { "qcomp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" },
2698
    { "rc_init_cplx", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_rc_initial_cplx}, "initial complexity for 1-pass encoding", "complexity" },
2699
    { "b_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qfactor}, "qp factor between p and b frames", "factor" },
2700
    { "i_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qfactor}, "qp factor between p and i frames", "factor" },
2701
    { "b_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qoffset}, "qp offset between p and b frames", "offset" },
2702
    { "i_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qoffset}, "qp offset between p and i frames", "offset" },
2703
//    { "b_strategy", HAS_ARG | OPT_EXPERT, {(void*)opt_b_strategy}, "dynamic b frame selection strategy", "strategy" },
2704
    { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
2705
    { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
2706
    { "bt", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
2707
    { "maxrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_max}, "set max video bitrate tolerance (in kbit/s)", "bitrate" },
2708
    { "minrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_min}, "set min video bitrate tolerance (in kbit/s)", "bitrate" },
2709
    { "bufsize", HAS_ARG | OPT_VIDEO, {(void*)opt_video_buffer_size}, "set ratecontrol buffere size (in kbit)", "size" },
2710
    { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
2711
    { "me", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_motion_estimation}, "set motion estimation method", 
2712
      "method" },
2713
    { "dct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_dct_algo}, "set dct algo",  "algo" },
2714
    { "idct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_idct_algo}, "set idct algo",  "algo" },
2715
    { "er", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_resilience}, "set error resilience",  "n" },
2716
    { "ec", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_concealment}, "set error concealment",  "bit_mask" },
2717
    { "bf", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_frames}, "use 'frames' B frames", "frames" },
2718
    { "hq", OPT_BOOL, {(void*)&mb_decision}, "activate high quality settings" },
2719
    { "mbd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_decision}, "macroblock decision", "mode" },
2720
    { "4mv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_4mv}, "use four motion vector by macroblock (only MPEG-4)" },
2721
    { "part", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_part}, "use data partitioning (only MPEG-4)" },
2722
    { "bug", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_workaround_bugs}, "workaround not auto detected encoder bugs", "param" },
2723
    { "ps", HAS_ARG | OPT_EXPERT, {(void*)opt_packet_size}, "set packet size in bits", "size" },
2724
    { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standarts", "strictness" },
2725
    { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality}, 
2726
      "use same video quality as source (implies VBR)" },
2727
    { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
2728
    { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
2729
    { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace}, 
2730
      "deinterlace pictures" },
2731
    { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
2732
    { "vstats", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_vstats}, "dump video coding statistics to file" }, 
2733
    { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
2734
    { "aic", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_aic}, "enable Advanced intra coding (h263+)" },
2735
    { "umv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_umv}, "enable Unlimited Motion Vector (h263+)" },
2736

    
2737
    /* audio options */
2738
    { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", },
2739
    { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
2740
    { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
2741
    { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
2742
    { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
2743

    
2744
    /* grab options */
2745
    { "vd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_device}, "set video grab device", "device" },
2746
    { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
2747
    { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
2748
    { "dv1394", OPT_EXPERT | OPT_GRAB, {(void*)opt_dv1394}, "set DV1394 grab", "" },
2749
    { "ad", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_GRAB, {(void*)opt_audio_device}, "set audio device", "device" },
2750
    { NULL, },
2751
};
2752

    
2753
static void show_banner(void)
2754
{
2755
    printf("ffmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2003 Fabrice Bellard\n");
2756
}
2757

    
2758
static void show_license(void)
2759
{
2760
    show_banner();
2761
    printf(
2762
    "This library is free software; you can redistribute it and/or\n"
2763
    "modify it under the terms of the GNU Lesser General Public\n"
2764
    "License as published by the Free Software Foundation; either\n"
2765
    "version 2 of the License, or (at your option) any later version.\n"
2766
    "\n"
2767
    "This library is distributed in the hope that it will be useful,\n"
2768
    "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
2769
    "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\n"
2770
    "Lesser General Public License for more details.\n"
2771
    "\n"
2772
    "You should have received a copy of the GNU Lesser General Public\n"
2773
    "License along with this library; if not, write to the Free Software\n"
2774
    "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA\n"
2775
    );
2776
    exit(1);
2777
}
2778

    
2779
static void show_help(void)
2780
{
2781
    show_banner();
2782
    printf("usage: ffmpeg [[options] -i input_file]... {[options] outfile}...\n"
2783
           "Hyper fast Audio and Video encoder\n");
2784
    printf("\n");
2785
    show_help_options(options, "Main options:\n",
2786
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
2787
    show_help_options(options, "\nVideo options:\n",
2788
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, 
2789
                      OPT_VIDEO);
2790
    show_help_options(options, "\nAdvanced Video options:\n",
2791
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, 
2792
                      OPT_VIDEO | OPT_EXPERT);
2793
    show_help_options(options, "\nAudio options:\n",
2794
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, 
2795
                      OPT_AUDIO);
2796
    show_help_options(options, "\nAdvanced Audio options:\n",
2797
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, 
2798
                      OPT_AUDIO | OPT_EXPERT);
2799
    show_help_options(options, "\nAudio/Video grab options:\n",
2800
                      OPT_GRAB, 
2801
                      OPT_GRAB);
2802
    show_help_options(options, "\nAdvanced options:\n",
2803
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, 
2804
                      OPT_EXPERT);
2805
    exit(1);
2806
}
2807

    
2808
void parse_arg_file(const char *filename)
2809
{
2810
    opt_output_file(filename);
2811
}
2812

    
2813
int main(int argc, char **argv)
2814
{
2815
    int i;
2816
    int64_t ti;
2817

    
2818
    av_register_all();
2819

    
2820
    if (argc <= 1)
2821
        show_help();
2822
    
2823
    /* parse options */
2824
    parse_options(argc, argv, options);
2825

    
2826
    /* file converter / grab */
2827
    if (nb_output_files <= 0) {
2828
        fprintf(stderr, "Must supply at least one output file\n");
2829
        exit(1);
2830
    }
2831
    
2832
    if (nb_input_files == 0) {
2833
        prepare_grab();
2834
    }
2835

    
2836
    ti = getutime();
2837
    av_encode(output_files, nb_output_files, input_files, nb_input_files, 
2838
              stream_maps, nb_stream_maps);
2839
    ti = getutime() - ti;
2840
    if (do_benchmark) {
2841
        printf("bench: utime=%0.3fs\n", ti / 1000000.0);
2842
    }
2843

    
2844
    /* close files */
2845
    for(i=0;i<nb_output_files;i++) {
2846
        /* maybe av_close_output_file ??? */
2847
        AVFormatContext *s = output_files[i];
2848
        int j;
2849
        if (!(s->oformat->flags & AVFMT_NOFILE))
2850
            url_fclose(&s->pb);
2851
        for(j=0;j<s->nb_streams;j++)
2852
            av_free(s->streams[j]);
2853
        av_free(s);
2854
    }
2855
    for(i=0;i<nb_input_files;i++)
2856
        av_close_input_file(input_files[i]);
2857

    
2858
    av_free_static();
2859

    
2860
    
2861
#ifdef POWERPC_PERFORMANCE_REPORT
2862
    extern void powerpc_display_perf_report(void);
2863
    powerpc_display_perf_report();
2864
#endif /* POWERPC_PERFORMANCE_REPORT */
2865

    
2866
#ifndef CONFIG_WIN32
2867
    if (received_sigterm) {
2868
        fprintf(stderr,
2869
            "Received signal %d: terminating.\n",
2870
            (int) received_sigterm);
2871
        exit (255);
2872
    }
2873
#endif
2874
    exit(0); /* not all OS-es handle main() return value */
2875
    return 0;
2876
}