Statistics
| Branch: | Revision:

ffmpeg / ffmpeg.c @ baaf3f46

History | View | Annotate | Download (105 KB)

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
17
 * 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 float 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
static uint16_t *intra_matrix = NULL;
91
static uint16_t *inter_matrix = NULL;
92
#if 0 //experimental, (can be removed)
93
static float video_rc_qsquish=1.0;
94
static float video_rc_qmod_amp=0;
95
static int video_rc_qmod_freq=0;
96
#endif
97
static char *video_rc_override_string=NULL;
98
static char *video_rc_eq="tex^qComp";
99
static int video_rc_buffer_size=0;
100
static float video_rc_buffer_aggressivity=1.0;
101
static int video_rc_max_rate=0;
102
static int video_rc_min_rate=0;
103
static float video_rc_initial_cplx=0;
104
static float video_b_qfactor = 1.25;
105
static float video_b_qoffset = 1.25;
106
static float video_i_qfactor = -0.8;
107
static float video_i_qoffset = 0.0;
108
static int me_method = ME_EPZS;
109
static int video_disable = 0;
110
static int video_codec_id = CODEC_ID_NONE;
111
static int same_quality = 0;
112
static int b_frames = 0;
113
static int mb_decision = FF_MB_DECISION_SIMPLE;
114
static int mb_cmp = FF_CMP_SAD;
115
static int sub_cmp = FF_CMP_SAD;
116
static int cmp = FF_CMP_SAD;
117
static int use_4mv = 0;
118
static int use_obmc = 0;
119
static int use_aic = 0;
120
static int use_aiv = 0;
121
static int use_umv = 0;
122
static int use_alt_scan = 0;
123
static int use_trell = 0;
124
static int use_scan_offset = 0;
125
static int do_deinterlace = 0;
126
static int do_interlace_dct = 0;
127
static int do_interlace_me = 0;
128
static int workaround_bugs = FF_BUG_AUTODETECT;
129
static int error_resilience = 2;
130
static int error_concealment = 3;
131
static int dct_algo = 0;
132
static int idct_algo = 0;
133
static int use_part = 0;
134
static int packet_size = 0;
135
static int error_rate = 0;
136
static int strict = 0;
137
static int top_field_first = -1;
138
static int noise_reduction = 0;
139
static int debug = 0;
140
static int debug_mv = 0;
141
extern int loop_input; /* currently a hack */
142

    
143
static int gop_size = 12;
144
static int intra_only = 0;
145
static int audio_sample_rate = 44100;
146
static int audio_bit_rate = 64000;
147
static int audio_disable = 0;
148
static int audio_channels = 1;
149
static int audio_codec_id = CODEC_ID_NONE;
150

    
151
static int64_t recording_time = 0;
152
static int64_t start_time = 0;
153
static int file_overwrite = 0;
154
static char *str_title = NULL;
155
static char *str_author = NULL;
156
static char *str_copyright = NULL;
157
static char *str_comment = NULL;
158
static int do_benchmark = 0;
159
static int do_hex_dump = 0;
160
static int do_pkt_dump = 0;
161
static int do_psnr = 0;
162
static int do_vstats = 0;
163
static int do_pass = 0;
164
static int bitexact = 0;
165
static char *pass_logfilename = NULL;
166
static int audio_stream_copy = 0;
167
static int video_stream_copy = 0;
168

    
169
static int rate_emu = 0;
170

    
171
static char *video_grab_format = "video4linux";
172
static char *video_device = NULL;
173
static int  video_channel = 0;
174
static char *video_standard = "ntsc";
175

    
176
static char *audio_grab_format = "audio_device";
177
static char *audio_device = NULL;
178

    
179
static int using_stdin = 0;
180
static int using_vhook = 0;
181
static int verbose = 1;
182

    
183
#define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
184

    
185
typedef struct AVOutputStream {
186
    int file_index;          /* file index */
187
    int index;               /* stream index in the output file */
188
    int source_index;        /* AVInputStream index */
189
    AVStream *st;            /* stream in the output file */
190
    int encoding_needed;     /* true if encoding needed for this stream */
191
    int frame_number;
192
    /* input pts and corresponding output pts
193
       for A/V sync */
194
    double sync_ipts;
195
    double sync_ipts_offset;
196
    int64_t sync_opts;
197
    /* video only */
198
    int video_resample;      /* video_resample and video_crop are mutually exclusive */
199
    AVPicture pict_tmp;      /* temporary image for resampling */
200
    ImgReSampleContext *img_resample_ctx; /* for image resampling */
201

    
202
    int video_crop;          /* video_resample and video_crop are mutually exclusive */
203
    int topBand;             /* cropping area sizes */
204
    int leftBand;
205
    
206
    /* audio only */
207
    int audio_resample;
208
    ReSampleContext *resample; /* for audio resampling */
209
    FifoBuffer fifo;     /* for compression: one audio fifo per codec */
210
    FILE *logfile;
211
} AVOutputStream;
212

    
213
typedef struct AVInputStream {
214
    int file_index;
215
    int index;
216
    AVStream *st;
217
    int discard;             /* true if stream data should be discarded */
218
    int decoding_needed;     /* true if the packets must be decoded in 'raw_fifo' */
219
    int64_t sample_index;      /* current sample */
220

    
221
    int64_t       start;     /* time when read started */
222
    unsigned long frame;     /* current frame */
223
    int64_t       next_pts;  /* synthetic pts for cases where pkt.pts
224
                                is not defined */
225
    int64_t       pts;       /* current pts */
226
} AVInputStream;
227

    
228
typedef struct AVInputFile {
229
    int eof_reached;      /* true if eof reached */
230
    int ist_index;        /* index of first stream in ist_table */
231
    int buffer_size;      /* current total buffer size */
232
    int buffer_size_max;  /* buffer size at which we consider we can stop
233
                             buffering */
234
    int nb_streams;       /* nb streams we are aware of */
235
} AVInputFile;
236

    
237
#ifndef CONFIG_WIN32
238

    
239
/* init terminal so that we can grab keys */
240
static struct termios oldtty;
241

    
242
static void term_exit(void)
243
{
244
    tcsetattr (0, TCSANOW, &oldtty);
245
}
246

    
247
static volatile sig_atomic_t received_sigterm = 0;
248

    
249
static void
250
sigterm_handler(int sig)
251
{
252
    received_sigterm = sig;
253
    term_exit();
254
}
255

    
256
static void term_init(void)
257
{
258
    struct termios tty;
259

    
260
    tcgetattr (0, &tty);
261
    oldtty = tty;
262

    
263
    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
264
                          |INLCR|IGNCR|ICRNL|IXON);
265
    tty.c_oflag |= OPOST;
266
    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
267
    tty.c_cflag &= ~(CSIZE|PARENB);
268
    tty.c_cflag |= CS8;
269
    tty.c_cc[VMIN] = 1;
270
    tty.c_cc[VTIME] = 0;
271
    
272
    tcsetattr (0, TCSANOW, &tty);
273

    
274
    signal(SIGINT , sigterm_handler); /* Interrupt (ANSI).  */
275
    signal(SIGQUIT, sigterm_handler); /* Quit (POSIX).  */
276
    signal(SIGTERM, sigterm_handler); /* Termination (ANSI).  */
277
    /*
278
    register a function to be called at normal program termination
279
    */
280
    atexit(term_exit);
281
#ifdef CONFIG_BEOS_NETSERVER
282
    fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
283
#endif
284
}
285

    
286
/* read a key without blocking */
287
static int read_key(void)
288
{
289
    int n = 1;
290
    unsigned char ch;
291
#ifndef CONFIG_BEOS_NETSERVER
292
    struct timeval tv;
293
    fd_set rfds;
294

    
295
    FD_ZERO(&rfds);
296
    FD_SET(0, &rfds);
297
    tv.tv_sec = 0;
298
    tv.tv_usec = 0;
299
    n = select(1, &rfds, NULL, NULL, &tv);
300
#endif
301
    if (n > 0) {
302
        n = read(0, &ch, 1);
303
        if (n == 1)
304
            return ch;
305

    
306
        return n;
307
    }
308
    return -1;
309
}
310

    
311
#else
312

    
313
static volatile int received_sigterm = 0;
314

    
315
/* no interactive support */
316
static void term_exit(void)
317
{
318
}
319

    
320
static void term_init(void)
321
{
322
}
323

    
324
static int read_key(void)
325
{
326
    return 0;
327
}
328

    
329
#endif
330

    
331
static int read_ffserver_streams(AVFormatContext *s, const char *filename)
332
{
333
    int i, err;
334
    AVFormatContext *ic;
335

    
336
    err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
337
    if (err < 0)
338
        return err;
339
    /* copy stream format */
340
    s->nb_streams = ic->nb_streams;
341
    for(i=0;i<ic->nb_streams;i++) {
342
        AVStream *st;
343

    
344
        st = av_mallocz(sizeof(AVStream));
345
        memcpy(st, ic->streams[i], sizeof(AVStream));
346
        s->streams[i] = st;
347
    }
348

    
349
    av_close_input_file(ic);
350
    return 0;
351
}
352

    
353
#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
354

    
355
static void do_audio_out(AVFormatContext *s, 
356
                         AVOutputStream *ost, 
357
                         AVInputStream *ist,
358
                         unsigned char *buf, int size)
359
{
360
    uint8_t *buftmp;
361
    static uint8_t *audio_buf = NULL;
362
    static uint8_t *audio_out = NULL;
363
    const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
364

    
365
    int size_out, frame_bytes, ret;
366
    AVCodecContext *enc;
367

    
368
    /* SC: dynamic allocation of buffers */
369
    if (!audio_buf)
370
        audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
371
    if (!audio_out)
372
        audio_out = av_malloc(audio_out_size);
373
    if (!audio_buf || !audio_out)
374
        return;               /* Should signal an error ! */
375

    
376
    
377
    enc = &ost->st->codec;
378

    
379
    if (ost->audio_resample) {
380
        buftmp = audio_buf;
381
        size_out = audio_resample(ost->resample, 
382
                                  (short *)buftmp, (short *)buf,
383
                                  size / (ist->st->codec.channels * 2));
384
        size_out = size_out * enc->channels * 2;
385
    } else {
386
        buftmp = buf;
387
        size_out = size;
388
    }
389

    
390
    /* now encode as many frames as possible */
391
    if (enc->frame_size > 1) {
392
        /* output resampled raw samples */
393
        fifo_write(&ost->fifo, buftmp, size_out, 
394
                   &ost->fifo.wptr);
395

    
396
        frame_bytes = enc->frame_size * 2 * enc->channels;
397
        
398
        while (fifo_read(&ost->fifo, audio_buf, frame_bytes, 
399
                     &ost->fifo.rptr) == 0) {
400
            ret = avcodec_encode_audio(enc, audio_out, audio_out_size, 
401
                                       (short *)audio_buf);
402
            av_write_frame(s, ost->index, audio_out, ret);
403
        }
404
    } else {
405
        /* output a pcm frame */
406
        /* XXX: change encoding codec API to avoid this ? */
407
        switch(enc->codec->id) {
408
        case CODEC_ID_PCM_S16LE:
409
        case CODEC_ID_PCM_S16BE:
410
        case CODEC_ID_PCM_U16LE:
411
        case CODEC_ID_PCM_U16BE:
412
            break;
413
        default:
414
            size_out = size_out >> 1;
415
            break;
416
        }
417
        ret = avcodec_encode_audio(enc, audio_out, size_out, 
418
                                   (short *)buftmp);
419
        av_write_frame(s, ost->index, audio_out, ret);
420
    }
421
}
422

    
423
static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
424
{
425
    AVCodecContext *dec;
426
    AVPicture *picture2;
427
    AVPicture picture_tmp;
428
    uint8_t *buf = 0;
429

    
430
    dec = &ist->st->codec;
431

    
432
    /* deinterlace : must be done before any resize */
433
    if (do_deinterlace || using_vhook) {
434
        int size;
435

    
436
        /* create temporary picture */
437
        size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
438
        buf = av_malloc(size);
439
        if (!buf)
440
            return;
441
        
442
        picture2 = &picture_tmp;
443
        avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
444

    
445
        if (do_deinterlace){
446
            if(avpicture_deinterlace(picture2, picture, 
447
                                     dec->pix_fmt, dec->width, dec->height) < 0) {
448
                /* if error, do not deinterlace */
449
                av_free(buf);
450
                buf = NULL;
451
                picture2 = picture;
452
            }
453
        } else {
454
            if (img_convert(picture2, dec->pix_fmt, picture, 
455
                            dec->pix_fmt, dec->width, dec->height) < 0) {
456
                /* if error, do not copy */
457
                av_free(buf);
458
                buf = NULL;
459
                picture2 = picture;
460
            }
461
        }
462
    } else {
463
        picture2 = picture;
464
    }
465

    
466
    frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
467

    
468
    if (picture != picture2)
469
        *picture = *picture2;
470
    *bufp = buf;
471
}
472

    
473
/* we begin to correct av delay at this threshold */
474
#define AV_DELAY_MAX 0.100
475

    
476
static void do_video_out(AVFormatContext *s, 
477
                         AVOutputStream *ost, 
478
                         AVInputStream *ist,
479
                         AVFrame *in_picture,
480
                         int *frame_size, AVOutputStream *audio_sync)
481
{
482
    int nb_frames, i, ret;
483
    AVPicture *final_picture, *formatted_picture;
484
    AVPicture picture_format_temp, picture_crop_temp;
485
    static uint8_t *video_buffer;
486
    uint8_t *buf = NULL, *buf1 = NULL;
487
    AVCodecContext *enc, *dec;
488
    enum PixelFormat target_pixfmt;
489

    
490
#define VIDEO_BUFFER_SIZE (1024*1024)
491

    
492
    enc = &ost->st->codec;
493
    dec = &ist->st->codec;
494

    
495
    /* by default, we output a single frame */
496
    nb_frames = 1;
497

    
498
    *frame_size = 0;
499

    
500
    /* NOTE: the A/V sync is always done by considering the audio is
501
       the master clock. It is suffisant for transcoding or playing,
502
       but not for the general case */
503
    if (audio_sync) {
504
        /* compute the A-V delay and duplicate/remove frames if needed */
505
        double adelta, vdelta, av_delay;
506

    
507
        adelta = audio_sync->sync_ipts - ((double)audio_sync->sync_opts * 
508
            s->pts_num / s->pts_den);
509

    
510
        vdelta = ost->sync_ipts - ((double)ost->sync_opts *
511
            s->pts_num / s->pts_den);
512

    
513
        av_delay = adelta - vdelta;
514
        //            printf("delay=%f\n", av_delay);
515
        if (av_delay < -AV_DELAY_MAX)
516
            nb_frames = 2;
517
        else if (av_delay > AV_DELAY_MAX)
518
            nb_frames = 0;
519
    } else {
520
        double vdelta;
521

    
522
        vdelta = (double)(ost->st->pts.val) * s->pts_num / s->pts_den - (ost->sync_ipts - ost->sync_ipts_offset);
523
        if (vdelta < 100 && vdelta > -100 && ost->sync_ipts_offset) {
524
            if (vdelta < -AV_DELAY_MAX)
525
                nb_frames = 2;
526
            else if (vdelta > AV_DELAY_MAX)
527
                nb_frames = 0;
528
        } else {
529
            ost->sync_ipts_offset -= vdelta;
530
            if (!ost->sync_ipts_offset)
531
                ost->sync_ipts_offset = 0.000001; /* one microsecond */
532
        }
533
    }
534
    
535
#if defined(AVSYNC_DEBUG)
536
    {
537
        static char *action[] = { "drop frame", "copy frame", "dup frame" };
538
        if (audio_sync)
539
            fprintf(stderr, "Input APTS %12.6f, output APTS %12.6f, ",
540
                    (double) audio_sync->sync_ipts, 
541
                    (double) audio_sync->st->pts.val * s->pts_num / s->pts_den);
542
        fprintf(stderr, "Input VPTS %12.6f, output VPTS %12.6f: %s\n",
543
                (double) ost->sync_ipts, 
544
                (double) ost->st->pts.val * s->pts_num / s->pts_den,
545
                action[nb_frames]);
546
    }
547
#endif
548

    
549
    if (nb_frames <= 0) 
550
        return;
551

    
552
    if (!video_buffer)
553
        video_buffer = av_malloc(VIDEO_BUFFER_SIZE);
554
    if (!video_buffer)
555
        return;
556

    
557
    /* convert pixel format if needed */
558
    target_pixfmt = ost->video_resample ? PIX_FMT_YUV420P : enc->pix_fmt;
559
    if (dec->pix_fmt != target_pixfmt) {
560
        int size;
561

    
562
        /* create temporary picture */
563
        size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
564
        buf = av_malloc(size);
565
        if (!buf)
566
            return;
567
        formatted_picture = &picture_format_temp;
568
        avpicture_fill(formatted_picture, buf, target_pixfmt, dec->width, dec->height);
569
        
570
        if (img_convert(formatted_picture, target_pixfmt, 
571
                        (AVPicture *)in_picture, dec->pix_fmt, 
572
                        dec->width, dec->height) < 0) {
573
            fprintf(stderr, "pixel format conversion not handled\n");
574
            goto the_end;
575
        }
576
    } else {
577
        formatted_picture = (AVPicture *)in_picture;
578
    }
579

    
580
    /* XXX: resampling could be done before raw format convertion in
581
       some cases to go faster */
582
    /* XXX: only works for YUV420P */
583
    if (ost->video_resample) {
584
        final_picture = &ost->pict_tmp;
585
        img_resample(ost->img_resample_ctx, final_picture, formatted_picture);
586
        if (enc->pix_fmt != PIX_FMT_YUV420P) {
587
            int size;
588
            
589
            av_free(buf);
590
            /* create temporary picture */
591
            size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
592
            buf = av_malloc(size);
593
            if (!buf)
594
                return;
595
            final_picture = &picture_format_temp;
596
            avpicture_fill(final_picture, buf, enc->pix_fmt, enc->width, enc->height);
597
        
598
            if (img_convert(final_picture, enc->pix_fmt, 
599
                            &ost->pict_tmp, PIX_FMT_YUV420P, 
600
                            enc->width, enc->height) < 0) {
601
                fprintf(stderr, "pixel format conversion not handled\n");
602
                goto the_end;
603
            }
604
        }
605
    } else if (ost->video_crop) {
606
        picture_crop_temp.data[0] = formatted_picture->data[0] +
607
                (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
608

    
609
        picture_crop_temp.data[1] = formatted_picture->data[1] +
610
                ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
611
                (ost->leftBand >> 1);
612

    
613
        picture_crop_temp.data[2] = formatted_picture->data[2] +
614
                ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
615
                (ost->leftBand >> 1);
616

    
617
        picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
618
        picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
619
        picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
620
        final_picture = &picture_crop_temp;
621
    } else {
622
        final_picture = formatted_picture;
623
    }
624
    /* duplicates frame if needed */
625
    /* XXX: pb because no interleaving */
626
    for(i=0;i<nb_frames;i++) {
627
        if (s->oformat->flags & AVFMT_RAWPICTURE) {
628
            /* raw pictures are written as AVPicture structure to
629
               avoid any copies. We support temorarily the older
630
               method. */
631
            AVFrame* old_frame = enc->coded_frame;
632
            enc->coded_frame = dec->coded_frame;
633
            av_write_frame(s, ost->index, 
634
                           (uint8_t *)final_picture, sizeof(AVPicture));
635
            enc->coded_frame = old_frame;
636
        } else {
637
            AVFrame big_picture;
638
            
639
            memset(&big_picture, 0, sizeof(AVFrame));
640
            *(AVPicture*)&big_picture= *final_picture;
641
            /* better than nothing: use input picture interlaced
642
               settings */
643
            big_picture.interlaced_frame = in_picture->interlaced_frame;
644
            if(do_interlace_me || do_interlace_dct){
645
                if(top_field_first == -1)
646
                    big_picture.top_field_first = in_picture->top_field_first;
647
                else
648
                    big_picture.top_field_first = 1;
649
            }
650

    
651
            /* handles sameq here. This is not correct because it may
652
               not be a global option */
653
            if (same_quality) {
654
                big_picture.quality = ist->st->quality;
655
            }else
656
                big_picture.quality = ost->st->quality;
657
            
658
            ret = avcodec_encode_video(enc, 
659
                                       video_buffer, VIDEO_BUFFER_SIZE,
660
                                       &big_picture);
661
            //enc->frame_number = enc->real_pict_num;
662
            av_write_frame(s, ost->index, video_buffer, ret);
663
            *frame_size = ret;
664
            //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
665
            //        enc->frame_number-1, enc->real_pict_num, ret,
666
            //        enc->pict_type);
667
            /* if two pass, output log */
668
            if (ost->logfile && enc->stats_out) {
669
                fprintf(ost->logfile, "%s", enc->stats_out);
670
            }
671
        }
672
        ost->frame_number++;
673
    }
674
 the_end:
675
    av_free(buf);
676
    av_free(buf1);
677
}
678

    
679
static double psnr(double d){
680
    if(d==0) return INFINITY;
681
    return -10.0*log(d)/log(10.0);
682
}
683

    
684
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost, 
685
                           int frame_size)
686
{
687
    static FILE *fvstats=NULL;
688
    static int64_t total_size = 0;
689
    char filename[40];
690
    time_t today2;
691
    struct tm *today;
692
    AVCodecContext *enc;
693
    int frame_number;
694
    int64_t ti;
695
    double ti1, bitrate, avg_bitrate;
696
    
697
    if (!fvstats) {
698
        today2 = time(NULL);
699
        today = localtime(&today2);
700
        sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
701
                                               today->tm_min,
702
                                               today->tm_sec);
703
        fvstats = fopen(filename,"w");
704
        if (!fvstats) {
705
            perror("fopen");
706
            exit(1);
707
        }
708
    }
709
    
710
    ti = MAXINT64;
711
    enc = &ost->st->codec;
712
    total_size += frame_size;
713
    if (enc->codec_type == CODEC_TYPE_VIDEO) {
714
        frame_number = ost->frame_number;
715
        fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
716
        if (enc->flags&CODEC_FLAG_PSNR)
717
            fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
718
        
719
        fprintf(fvstats,"f_size= %6d ", frame_size);
720
        /* compute pts value */
721
        ti1 = (double)ost->st->pts.val * os->pts_num / os->pts_den;
722
        if (ti1 < 0.01)
723
            ti1 = 0.01;
724
    
725
        bitrate = (double)(frame_size * 8) * enc->frame_rate / enc->frame_rate_base / 1000.0;
726
        avg_bitrate = (double)(total_size * 8) / ti1 / 1000.0;
727
        fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
728
            (double)total_size / 1024, ti1, bitrate, avg_bitrate);
729
        fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));        
730
    }
731
}
732

    
733
static void print_report(AVFormatContext **output_files,
734
                         AVOutputStream **ost_table, int nb_ostreams,
735
                         int is_last_report)
736
{
737
    char buf[1024];
738
    AVOutputStream *ost;
739
    AVFormatContext *oc, *os;
740
    int64_t total_size;
741
    AVCodecContext *enc;
742
    int frame_number, vid, i;
743
    double bitrate, ti1, pts;
744
    static int64_t last_time = -1;
745
    
746
    if (!is_last_report) {
747
        int64_t cur_time;
748
        /* display the report every 0.5 seconds */
749
        cur_time = av_gettime();
750
        if (last_time == -1) {
751
            last_time = cur_time;
752
            return;
753
        } 
754
        if ((cur_time - last_time) < 500000)
755
            return;
756
        last_time = cur_time;
757
    }
758

    
759

    
760
    oc = output_files[0];
761

    
762
    total_size = url_ftell(&oc->pb);
763
    
764
    buf[0] = '\0';
765
    ti1 = 1e10;
766
    vid = 0;
767
    for(i=0;i<nb_ostreams;i++) {
768
        ost = ost_table[i];
769
        os = output_files[ost->file_index];
770
        enc = &ost->st->codec;
771
        if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
772
            sprintf(buf + strlen(buf), "q=%2.1f ",
773
                    enc->coded_frame->quality/(float)FF_QP2LAMBDA);
774
        }
775
        if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
776
            frame_number = ost->frame_number;
777
            sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
778
                    frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0);
779
            if(is_last_report)
780
                sprintf(buf + strlen(buf), "L");
781
            if (enc->flags&CODEC_FLAG_PSNR){
782
                int j;
783
                double error, error_sum=0;
784
                double scale, scale_sum=0;
785
                char type[3]= {'Y','U','V'};
786
                sprintf(buf + strlen(buf), "PSNR=");
787
                for(j=0; j<3; j++){
788
                    if(is_last_report){
789
                        error= enc->error[j];
790
                        scale= enc->width*enc->height*255.0*255.0*frame_number;
791
                    }else{
792
                        error= enc->coded_frame->error[j];
793
                        scale= enc->width*enc->height*255.0*255.0;
794
                    }
795
                    if(j) scale/=4;
796
                    error_sum += error;
797
                    scale_sum += scale;
798
                    sprintf(buf + strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
799
                }
800
                sprintf(buf + strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
801
            }
802
            vid = 1;
803
        }
804
        /* compute min output value */
805
        pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
806
        if ((pts < ti1) && (pts > 0))
807
            ti1 = pts;
808
    }
809
    if (ti1 < 0.01)
810
        ti1 = 0.01;
811
    
812
    if (verbose || is_last_report) {
813
        bitrate = (double)(total_size * 8) / ti1 / 1000.0;
814
        
815
        sprintf(buf + strlen(buf), 
816
            "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
817
            (double)total_size / 1024, ti1, bitrate);
818
        
819
        fprintf(stderr, "%s    \r", buf);
820
        fflush(stderr);
821
    }
822
        
823
    if (is_last_report)
824
        fprintf(stderr, "\n");
825
}
826

    
827
/* pkt = NULL means EOF (needed to flush decoder buffers) */
828
static int output_packet(AVInputStream *ist, int ist_index,
829
                         AVOutputStream **ost_table, int nb_ostreams,
830
                         AVPacket *pkt)
831
{
832
    AVFormatContext *os;
833
    AVOutputStream *ost;
834
    uint8_t *ptr;
835
    int len, ret, i;
836
    uint8_t *data_buf;
837
    int data_size, got_picture;
838
    AVFrame picture;
839
    short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
840
    void *buffer_to_free;
841
        
842
    if (pkt && pkt->pts != AV_NOPTS_VALUE) {
843
        ist->pts = pkt->pts;
844
    } else {
845
        ist->pts = ist->next_pts;
846
    }
847
    
848
    if (pkt == NULL) {
849
        /* EOF handling */
850
        ptr = NULL;
851
        len = 0;
852
        goto handle_eof;
853
    }
854

    
855
    len = pkt->size;
856
    ptr = pkt->data;
857
    while (len > 0) {
858
    handle_eof:
859
        /* decode the packet if needed */
860
        data_buf = NULL; /* fail safe */
861
        data_size = 0;
862
        if (ist->decoding_needed) {
863
            switch(ist->st->codec.codec_type) {
864
            case CODEC_TYPE_AUDIO:
865
                    /* XXX: could avoid copy if PCM 16 bits with same
866
                       endianness as CPU */
867
                ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
868
                                           ptr, len);
869
                if (ret < 0)
870
                    goto fail_decode;
871
                ptr += ret;
872
                len -= ret;
873
                /* Some bug in mpeg audio decoder gives */
874
                /* data_size < 0, it seems they are overflows */
875
                if (data_size <= 0) {
876
                    /* no audio frame */
877
                    continue;
878
                }
879
                data_buf = (uint8_t *)samples;
880
                ist->next_pts += ((int64_t)AV_TIME_BASE * data_size) / 
881
                    (2 * ist->st->codec.channels);
882
                break;
883
            case CODEC_TYPE_VIDEO:
884
                    data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
885
                    /* XXX: allocate picture correctly */
886
                    memset(&picture, 0, sizeof(picture));
887
                    ret = avcodec_decode_video(&ist->st->codec, 
888
                                               &picture, &got_picture, ptr, len);
889
                    ist->st->quality= picture.quality;
890
                    if (ret < 0) 
891
                        goto fail_decode;
892
                    if (!got_picture) {
893
                        /* no picture yet */
894
                        goto discard_packet;
895
                    }
896
                    if (ist->st->codec.frame_rate_base != 0) {
897
                        ist->next_pts += ((int64_t)AV_TIME_BASE * 
898
                                          ist->st->codec.frame_rate_base) /
899
                            ist->st->codec.frame_rate;
900
                    }
901
                    len = 0;
902
                    break;
903
                default:
904
                    goto fail_decode;
905
                }
906
            } else {
907
                data_buf = ptr;
908
                data_size = len;
909
                ret = len;
910
                len = 0;
911
            }
912

    
913
            buffer_to_free = NULL;
914
            if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
915
                pre_process_video_frame(ist, (AVPicture *)&picture, 
916
                                        &buffer_to_free);
917
            }
918

    
919
            /* frame rate emulation */
920
            if (ist->st->codec.rate_emu) {
921
                int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.frame_rate_base, 1000000, ist->st->codec.frame_rate);
922
                int64_t now = av_gettime() - ist->start;
923
                if (pts > now)
924
                    usleep(pts - now);
925

    
926
                ist->frame++;
927
            }
928

    
929
#if 0
930
            /* mpeg PTS deordering : if it is a P or I frame, the PTS
931
               is the one of the next displayed one */
932
            /* XXX: add mpeg4 too ? */
933
            if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
934
                if (ist->st->codec.pict_type != B_TYPE) {
935
                    int64_t tmp;
936
                    tmp = ist->last_ip_pts;
937
                    ist->last_ip_pts  = ist->frac_pts.val;
938
                    ist->frac_pts.val = tmp;
939
                }
940
            }
941
#endif
942
            /* if output time reached then transcode raw format, 
943
               encode packets and output them */
944
            if (start_time == 0 || ist->pts >= start_time)
945
                for(i=0;i<nb_ostreams;i++) {
946
                    int frame_size;
947

    
948
                    ost = ost_table[i];
949
                    if (ost->source_index == ist_index) {
950
                        os = output_files[ost->file_index];
951

    
952
#if 0
953
                        printf("%d: got pts=%0.3f %0.3f\n", i, 
954
                               (double)pkt->pts / AV_TIME_BASE, 
955
                               ((double)ist->pts / AV_TIME_BASE) - 
956
                               ((double)ost->st->pts.val * os->pts_num / os->pts_den));
957
#endif
958
                        /* set the input output pts pairs */
959
                        ost->sync_ipts = (double)ist->pts / AV_TIME_BASE;
960
                        /* XXX: take into account the various fifos,
961
                           in particular for audio */
962
                        ost->sync_opts = ost->st->pts.val;
963
                        //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); 
964

    
965
                        if (ost->encoding_needed) {
966
                            switch(ost->st->codec.codec_type) {
967
                            case CODEC_TYPE_AUDIO:
968
                                do_audio_out(os, ost, ist, data_buf, data_size);
969
                                break;
970
                            case CODEC_TYPE_VIDEO:
971
                                /* find an audio stream for synchro */
972
                                {
973
                                    int i;
974
                                    AVOutputStream *audio_sync, *ost1;
975
                                    audio_sync = NULL;
976
                                    for(i=0;i<nb_ostreams;i++) {
977
                                        ost1 = ost_table[i];
978
                                        if (ost1->file_index == ost->file_index &&
979
                                            ost1->st->codec.codec_type == CODEC_TYPE_AUDIO) {
980
                                            audio_sync = ost1;
981
                                            break;
982
                                        }
983
                                    }
984

    
985
                                    do_video_out(os, ost, ist, &picture, &frame_size, audio_sync);
986
                                    if (do_vstats && frame_size)
987
                                        do_video_stats(os, ost, frame_size);
988
                                }
989
                                break;
990
                            default:
991
                                av_abort();
992
                            }
993
                        } else {
994
                            AVFrame avframe;
995
                                                
996
                            /* no reencoding needed : output the packet directly */
997
                            /* force the input stream PTS */
998
                        
999
                            memset(&avframe, 0, sizeof(AVFrame));
1000
                            ost->st->codec.coded_frame= &avframe;
1001
                            avframe.key_frame = pkt->flags & PKT_FLAG_KEY; 
1002
                        
1003
                            av_write_frame(os, ost->index, data_buf, data_size);
1004
                            ost->st->codec.frame_number++;
1005
                            ost->frame_number++;
1006
                        }
1007
                    }
1008
                }
1009
            av_free(buffer_to_free);
1010
        }
1011
 discard_packet:
1012
    return 0;
1013
 fail_decode:
1014
    return -1;
1015
}
1016

    
1017

    
1018
/*
1019
 * The following code is the main loop of the file converter
1020
 */
1021
static int av_encode(AVFormatContext **output_files,
1022
                     int nb_output_files,
1023
                     AVFormatContext **input_files,
1024
                     int nb_input_files,
1025
                     AVStreamMap *stream_maps, int nb_stream_maps)
1026
{
1027
    int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1028
    AVFormatContext *is, *os;
1029
    AVCodecContext *codec, *icodec;
1030
    AVOutputStream *ost, **ost_table = NULL;
1031
    AVInputStream *ist, **ist_table = NULL;
1032
    AVInputFile *file_table;
1033
    AVFormatContext *stream_no_data;
1034
    int key;
1035

    
1036
    file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1037
    if (!file_table)
1038
        goto fail;
1039

    
1040
    /* input stream init */
1041
    j = 0;
1042
    for(i=0;i<nb_input_files;i++) {
1043
        is = input_files[i];
1044
        file_table[i].ist_index = j;
1045
        file_table[i].nb_streams = is->nb_streams;
1046
        j += is->nb_streams;
1047
    }
1048
    nb_istreams = j;
1049

    
1050
    ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1051
    if (!ist_table)
1052
        goto fail;
1053
    
1054
    for(i=0;i<nb_istreams;i++) {
1055
        ist = av_mallocz(sizeof(AVInputStream));
1056
        if (!ist)
1057
            goto fail;
1058
        ist_table[i] = ist;
1059
    }
1060
    j = 0;
1061
    for(i=0;i<nb_input_files;i++) {
1062
        is = input_files[i];
1063
        for(k=0;k<is->nb_streams;k++) {
1064
            ist = ist_table[j++];
1065
            ist->st = is->streams[k];
1066
            ist->file_index = i;
1067
            ist->index = k;
1068
            ist->discard = 1; /* the stream is discarded by default
1069
                                 (changed later) */
1070

    
1071
            if (ist->st->codec.rate_emu) {
1072
                ist->start = av_gettime();
1073
                ist->frame = 0;
1074
            }
1075
        }
1076
    }
1077

    
1078
    /* output stream init */
1079
    nb_ostreams = 0;
1080
    for(i=0;i<nb_output_files;i++) {
1081
        os = output_files[i];
1082
        nb_ostreams += os->nb_streams;
1083
    }
1084
    if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1085
        fprintf(stderr, "Number of stream maps must match number of output streams\n");
1086
        exit(1);
1087
    }
1088

    
1089
    /* Sanity check the mapping args -- do the input files & streams exist? */
1090
    for(i=0;i<nb_stream_maps;i++) {
1091
        int fi = stream_maps[i].file_index;
1092
        int si = stream_maps[i].stream_index;
1093
        
1094
        if (fi < 0 || fi > nb_input_files - 1 ||
1095
            si < 0 || si > file_table[fi].nb_streams - 1) {
1096
            fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1097
            exit(1);
1098
        }
1099
    }
1100
    
1101
    ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1102
    if (!ost_table)
1103
        goto fail;
1104
    for(i=0;i<nb_ostreams;i++) {
1105
        ost = av_mallocz(sizeof(AVOutputStream));
1106
        if (!ost)
1107
            goto fail;
1108
        ost_table[i] = ost;
1109
    }
1110
    
1111
    n = 0;
1112
    for(k=0;k<nb_output_files;k++) {
1113
        os = output_files[k];
1114
        for(i=0;i<os->nb_streams;i++) {
1115
            int found;
1116
            ost = ost_table[n++];
1117
            ost->file_index = k;
1118
            ost->index = i;
1119
            ost->st = os->streams[i];
1120
            if (nb_stream_maps > 0) {
1121
                ost->source_index = file_table[stream_maps[n-1].file_index].ist_index + 
1122
                    stream_maps[n-1].stream_index;
1123
                    
1124
                /* Sanity check that the stream types match */
1125
                if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) {
1126
                    fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1127
                        stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1128
                        ost->file_index, ost->index);
1129
                    exit(1);
1130
                }
1131
                
1132
            } else {
1133
                /* get corresponding input stream index : we select the first one with the right type */
1134
                found = 0;
1135
                for(j=0;j<nb_istreams;j++) {
1136
                    ist = ist_table[j];
1137
                    if (ist->discard && 
1138
                        ist->st->codec.codec_type == ost->st->codec.codec_type) {
1139
                        ost->source_index = j;
1140
                        found = 1;
1141
                    }
1142
                }
1143
                
1144
                if (!found) {
1145
                    /* try again and reuse existing stream */
1146
                    for(j=0;j<nb_istreams;j++) {
1147
                        ist = ist_table[j];
1148
                        if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
1149
                            ost->source_index = j;
1150
                            found = 1;
1151
                        }
1152
                    }
1153
                    if (!found) {
1154
                        fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1155
                                ost->file_index, ost->index);
1156
                        exit(1);
1157
                    }
1158
                }
1159
            }
1160
            ist = ist_table[ost->source_index];
1161
            ist->discard = 0;
1162
        }
1163
    }
1164

    
1165
    /* for each output stream, we compute the right encoding parameters */
1166
    for(i=0;i<nb_ostreams;i++) {
1167
        ost = ost_table[i];
1168
        ist = ist_table[ost->source_index];
1169

    
1170
        codec = &ost->st->codec;
1171
        icodec = &ist->st->codec;
1172

    
1173
        if (ost->st->stream_copy) {
1174
            /* if stream_copy is selected, no need to decode or encode */
1175
            codec->codec_id = icodec->codec_id;
1176
            codec->codec_type = icodec->codec_type;
1177
            codec->codec_tag = icodec->codec_tag;
1178
            codec->bit_rate = icodec->bit_rate;
1179
            switch(codec->codec_type) {
1180
            case CODEC_TYPE_AUDIO:
1181
                codec->sample_rate = icodec->sample_rate;
1182
                codec->channels = icodec->channels;
1183
                break;
1184
            case CODEC_TYPE_VIDEO:
1185
                codec->frame_rate = icodec->frame_rate;
1186
                codec->frame_rate_base = icodec->frame_rate_base;
1187
                codec->width = icodec->width;
1188
                codec->height = icodec->height;
1189
                break;
1190
            default:
1191
                av_abort();
1192
            }
1193
        } else {
1194
            switch(codec->codec_type) {
1195
            case CODEC_TYPE_AUDIO:
1196
                if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1197
                    goto fail;
1198
                
1199
                if (codec->channels == icodec->channels &&
1200
                    codec->sample_rate == icodec->sample_rate) {
1201
                    ost->audio_resample = 0;
1202
                } else {
1203
                    if (codec->channels != icodec->channels &&
1204
                        icodec->codec_id == CODEC_ID_AC3) {
1205
                        /* Special case for 5:1 AC3 input */
1206
                        /* and mono or stereo output      */
1207
                        /* Request specific number of channels */
1208
                        icodec->channels = codec->channels;
1209
                        if (codec->sample_rate == icodec->sample_rate)
1210
                            ost->audio_resample = 0;
1211
                        else {
1212
                            ost->audio_resample = 1;
1213
                            ost->resample = audio_resample_init(codec->channels, icodec->channels,
1214
                                                        codec->sample_rate, 
1215
                                                        icodec->sample_rate);
1216
                            if(!ost->resample)
1217
                              {
1218
                                printf("Can't resample.  Aborting.\n");
1219
                                av_abort();
1220
                              }
1221
                        }
1222
                        /* Request specific number of channels */
1223
                        icodec->channels = codec->channels;
1224
                    } else {
1225
                        ost->audio_resample = 1; 
1226
                        ost->resample = audio_resample_init(codec->channels, icodec->channels,
1227
                                                        codec->sample_rate, 
1228
                                                        icodec->sample_rate);
1229
                        if(!ost->resample)
1230
                          {
1231
                            printf("Can't resample.  Aborting.\n");
1232
                            av_abort();
1233
                          }
1234
                    }
1235
                }
1236
                ist->decoding_needed = 1;
1237
                ost->encoding_needed = 1;
1238
                break;
1239
            case CODEC_TYPE_VIDEO:
1240
                if (codec->width == icodec->width &&
1241
                    codec->height == icodec->height &&
1242
                    frame_topBand == 0 &&
1243
                    frame_bottomBand == 0 &&
1244
                    frame_leftBand == 0 &&
1245
                    frame_rightBand == 0)
1246
                {
1247
                    ost->video_resample = 0;
1248
                    ost->video_crop = 0;
1249
                } else if ((codec->width == icodec->width -
1250
                                (frame_leftBand + frame_rightBand)) &&
1251
                        (codec->height == icodec->height -
1252
                                (frame_topBand  + frame_bottomBand)))
1253
                {
1254
                    ost->video_resample = 0;
1255
                    ost->video_crop = 1;
1256
                    ost->topBand = frame_topBand;
1257
                    ost->leftBand = frame_leftBand;
1258
                } else {
1259
                    uint8_t *buf;
1260
                    ost->video_resample = 1;
1261
                    ost->video_crop = 0; // cropping is handled as part of resample
1262
                    buf = av_malloc((codec->width * codec->height * 3) / 2);
1263
                    if (!buf)
1264
                        goto fail;
1265
                    ost->pict_tmp.data[0] = buf;
1266
                    ost->pict_tmp.data[1] = ost->pict_tmp.data[0] + (codec->width * codec->height);
1267
                    ost->pict_tmp.data[2] = ost->pict_tmp.data[1] + (codec->width * codec->height) / 4;
1268
                    ost->pict_tmp.linesize[0] = codec->width;
1269
                    ost->pict_tmp.linesize[1] = codec->width / 2;
1270
                    ost->pict_tmp.linesize[2] = codec->width / 2;
1271

    
1272
                    ost->img_resample_ctx = img_resample_full_init( 
1273
                                      ost->st->codec.width, ost->st->codec.height,
1274
                                      ist->st->codec.width, ist->st->codec.height,
1275
                                      frame_topBand, frame_bottomBand,
1276
                                      frame_leftBand, frame_rightBand);
1277
                }
1278
                ost->encoding_needed = 1;
1279
                ist->decoding_needed = 1;
1280
                break;
1281
            default:
1282
                av_abort();
1283
            }
1284
            /* two pass mode */
1285
            if (ost->encoding_needed && 
1286
                (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1287
                char logfilename[1024];
1288
                FILE *f;
1289
                int size;
1290
                char *logbuffer;
1291
                
1292
                snprintf(logfilename, sizeof(logfilename), "%s-%d.log", 
1293
                         pass_logfilename ? 
1294
                         pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1295
                if (codec->flags & CODEC_FLAG_PASS1) {
1296
                    f = fopen(logfilename, "w");
1297
                    if (!f) {
1298
                        perror(logfilename);
1299
                        exit(1);
1300
                    }
1301
                    ost->logfile = f;
1302
                } else {
1303
                    /* read the log file */
1304
                    f = fopen(logfilename, "r");
1305
                    if (!f) {
1306
                        perror(logfilename);
1307
                        exit(1);
1308
                    }
1309
                    fseek(f, 0, SEEK_END);
1310
                    size = ftell(f);
1311
                    fseek(f, 0, SEEK_SET);
1312
                    logbuffer = av_malloc(size + 1);
1313
                    if (!logbuffer) {
1314
                        fprintf(stderr, "Could not allocate log buffer\n");
1315
                        exit(1);
1316
                    }
1317
                    fread(logbuffer, 1, size, f);
1318
                    fclose(f);
1319
                    logbuffer[size] = '\0';
1320
                    codec->stats_in = logbuffer;
1321
                }
1322
            }
1323
        }
1324
    }
1325

    
1326
    /* dump the file output parameters - cannot be done before in case
1327
       of stream copy */
1328
    for(i=0;i<nb_output_files;i++) {
1329
        dump_format(output_files[i], i, output_files[i]->filename, 1);
1330
    }
1331

    
1332
    /* dump the stream mapping */
1333
    fprintf(stderr, "Stream mapping:\n");
1334
    for(i=0;i<nb_ostreams;i++) {
1335
        ost = ost_table[i];
1336
        fprintf(stderr, "  Stream #%d.%d -> #%d.%d\n",
1337
                ist_table[ost->source_index]->file_index,
1338
                ist_table[ost->source_index]->index,
1339
                ost->file_index, 
1340
                ost->index);
1341
    }
1342

    
1343
    /* open each encoder */
1344
    for(i=0;i<nb_ostreams;i++) {
1345
        ost = ost_table[i];
1346
        if (ost->encoding_needed) {
1347
            AVCodec *codec;
1348
            codec = avcodec_find_encoder(ost->st->codec.codec_id);
1349
            if (!codec) {
1350
                fprintf(stderr, "Unsupported codec for output stream #%d.%d\n", 
1351
                        ost->file_index, ost->index);
1352
                exit(1);
1353
            }
1354
            if (avcodec_open(&ost->st->codec, codec) < 0) {
1355
                fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n", 
1356
                        ost->file_index, ost->index);
1357
                exit(1);
1358
            }
1359
        }
1360
    }
1361

    
1362
    /* open each decoder */
1363
    for(i=0;i<nb_istreams;i++) {
1364
        ist = ist_table[i];
1365
        if (ist->decoding_needed) {
1366
            AVCodec *codec;
1367
            codec = avcodec_find_decoder(ist->st->codec.codec_id);
1368
            if (!codec) {
1369
                fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n", 
1370
                        ist->st->codec.codec_id, ist->file_index, ist->index);
1371
                exit(1);
1372
            }
1373
            if (avcodec_open(&ist->st->codec, codec) < 0) {
1374
                fprintf(stderr, "Error while opening codec for input stream #%d.%d\n", 
1375
                        ist->file_index, ist->index);
1376
                exit(1);
1377
            }
1378
            //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1379
            //    ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1380
        }
1381
    }
1382

    
1383
    /* init pts */
1384
    for(i=0;i<nb_istreams;i++) {
1385
        ist = ist_table[i];
1386
        is = input_files[ist->file_index];
1387
        ist->pts = 0;
1388
        ist->next_pts = 0;
1389
    }
1390
    
1391
    /* compute buffer size max (should use a complete heuristic) */
1392
    for(i=0;i<nb_input_files;i++) {
1393
        file_table[i].buffer_size_max = 2048;
1394
    }
1395

    
1396
    /* open files and write file headers */
1397
    for(i=0;i<nb_output_files;i++) {
1398
        os = output_files[i];
1399
        if (av_write_header(os) < 0) {
1400
            fprintf(stderr, "Could not write header for output file #%d (incorrect codec paramters ?)\n", i);
1401
            ret = -EINVAL;
1402
            goto fail;
1403
        }
1404
    }
1405

    
1406
#ifndef CONFIG_WIN32
1407
    if ( !using_stdin )
1408
        fprintf(stderr, "Press [q] to stop encoding\n");
1409
#endif
1410
    term_init();
1411

    
1412
    stream_no_data = 0;
1413
    key = -1;
1414

    
1415
    for(; received_sigterm == 0;) {
1416
        int file_index, ist_index;
1417
        AVPacket pkt;
1418
        double pts_min;
1419
        
1420
    redo:
1421
        /* if 'q' pressed, exits */
1422
        if (!using_stdin) {
1423
            /* read_key() returns 0 on EOF */
1424
            key = read_key();
1425
            if (key == 'q')
1426
                break;
1427
        }
1428

    
1429
        /* select the stream that we must read now by looking at the
1430
           smallest output pts */
1431
        file_index = -1;
1432
        pts_min = 1e10;
1433
        for(i=0;i<nb_ostreams;i++) {
1434
            double pts;
1435
            ost = ost_table[i];
1436
            os = output_files[ost->file_index];
1437
            ist = ist_table[ost->source_index];
1438
            pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
1439
            if (!file_table[ist->file_index].eof_reached && 
1440
                pts < pts_min) {
1441
                pts_min = pts;
1442
                file_index = ist->file_index;
1443
            }
1444
        }
1445
        /* if none, if is finished */
1446
        if (file_index < 0) {
1447
            break;
1448
        }
1449

    
1450
        /* finish if recording time exhausted */
1451
        if (recording_time > 0 && pts_min >= (recording_time / 1000000.0))
1452
            break;
1453

    
1454
        /* read a frame from it and output it in the fifo */
1455
        is = input_files[file_index];
1456
        if (av_read_frame(is, &pkt) < 0) {
1457
            file_table[file_index].eof_reached = 1;
1458
            continue;
1459
        }
1460
        if (!pkt.size) {
1461
            stream_no_data = is;
1462
        } else {
1463
            stream_no_data = 0;
1464
        }
1465
        if (do_pkt_dump) {
1466
            av_pkt_dump(stdout, &pkt, do_hex_dump);
1467
        }
1468
        /* the following test is needed in case new streams appear
1469
           dynamically in stream : we ignore them */
1470
        if (pkt.stream_index >= file_table[file_index].nb_streams)
1471
            goto discard_packet;
1472
        ist_index = file_table[file_index].ist_index + pkt.stream_index;
1473
        ist = ist_table[ist_index];
1474
        if (ist->discard)
1475
            goto discard_packet;
1476

    
1477
        //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1478
        if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1479
            fprintf(stderr, "Error while decoding stream #%d.%d\n",
1480
                    ist->file_index, ist->index);
1481
            av_free_packet(&pkt);
1482
            goto redo;
1483
        }
1484
        
1485
    discard_packet:
1486
        av_free_packet(&pkt);
1487
        
1488
        /* dump report by using the output first video and audio streams */
1489
        print_report(output_files, ost_table, nb_ostreams, 0);
1490
    }
1491

    
1492
    /* at the end of stream, we must flush the decoder buffers */
1493
    for(i=0;i<nb_istreams;i++) {
1494
        ist = ist_table[i];
1495
        if (ist->decoding_needed) {
1496
            output_packet(ist, i, ost_table, nb_ostreams, NULL);
1497
        }
1498
    }
1499

    
1500
    term_exit();
1501

    
1502
    /* dump report by using the first video and audio streams */
1503
    print_report(output_files, ost_table, nb_ostreams, 1);
1504

    
1505
    /* close each encoder */
1506
    for(i=0;i<nb_ostreams;i++) {
1507
        ost = ost_table[i];
1508
        if (ost->encoding_needed) {
1509
            av_freep(&ost->st->codec.stats_in);
1510
            avcodec_close(&ost->st->codec);
1511
        }
1512
    }
1513
    
1514
    /* close each decoder */
1515
    for(i=0;i<nb_istreams;i++) {
1516
        ist = ist_table[i];
1517
        if (ist->decoding_needed) {
1518
            avcodec_close(&ist->st->codec);
1519
        }
1520
    }
1521
    
1522

    
1523
    /* write the trailer if needed and close file */
1524
    for(i=0;i<nb_output_files;i++) {
1525
        os = output_files[i];
1526
        av_write_trailer(os);
1527
    }
1528
    /* finished ! */
1529
    
1530
    ret = 0;
1531
 fail1:
1532
    av_free(file_table);
1533

    
1534
    if (ist_table) {
1535
        for(i=0;i<nb_istreams;i++) {
1536
            ist = ist_table[i];
1537
            av_free(ist);
1538
        }
1539
        av_free(ist_table);
1540
    }
1541
    if (ost_table) {
1542
        for(i=0;i<nb_ostreams;i++) {
1543
            ost = ost_table[i];
1544
            if (ost) {
1545
                if (ost->logfile) {
1546
                    fclose(ost->logfile);
1547
                    ost->logfile = NULL;
1548
                }
1549
                fifo_free(&ost->fifo); /* works even if fifo is not
1550
                                          initialized but set to zero */
1551
                av_free(ost->pict_tmp.data[0]);
1552
                if (ost->video_resample)
1553
                    img_resample_close(ost->img_resample_ctx);
1554
                if (ost->audio_resample)
1555
                    audio_resample_close(ost->resample);
1556
                av_free(ost);
1557
            }
1558
        }
1559
        av_free(ost_table);
1560
    }
1561
    return ret;
1562
 fail:
1563
    ret = -ENOMEM;
1564
    goto fail1;
1565
}
1566

    
1567
#if 0
1568
int file_read(const char *filename)
1569
{
1570
    URLContext *h;
1571
    unsigned char buffer[1024];
1572
    int len, i;
1573

1574
    if (url_open(&h, filename, O_RDONLY) < 0) {
1575
        printf("could not open '%s'\n", filename);
1576
        return -1;
1577
    }
1578
    for(;;) {
1579
        len = url_read(h, buffer, sizeof(buffer));
1580
        if (len <= 0)
1581
            break;
1582
        for(i=0;i<len;i++) putchar(buffer[i]);
1583
    }
1584
    url_close(h);
1585
    return 0;
1586
}
1587
#endif
1588

    
1589
static void opt_image_format(const char *arg)
1590
{
1591
    AVImageFormat *f;
1592
    
1593
    for(f = first_image_format; f != NULL; f = f->next) {
1594
        if (!strcmp(arg, f->name))
1595
            break;
1596
    }
1597
    if (!f) {
1598
        fprintf(stderr, "Unknown image format: '%s'\n", arg);
1599
        exit(1);
1600
    }
1601
    image_format = f;
1602
}
1603

    
1604
static void opt_format(const char *arg)
1605
{
1606
    /* compatibility stuff for pgmyuv */
1607
    if (!strcmp(arg, "pgmyuv")) {
1608
        opt_image_format(arg);
1609
        arg = "image";
1610
    }
1611

    
1612
    file_iformat = av_find_input_format(arg);
1613
    file_oformat = guess_format(arg, NULL, NULL);
1614
    if (!file_iformat && !file_oformat) {
1615
        fprintf(stderr, "Unknown input or output format: %s\n", arg);
1616
        exit(1);
1617
    }
1618
}
1619

    
1620
static void opt_video_bitrate(const char *arg)
1621
{
1622
    video_bit_rate = atoi(arg) * 1000;
1623
}
1624

    
1625
static void opt_video_bitrate_tolerance(const char *arg)
1626
{
1627
    video_bit_rate_tolerance = atoi(arg) * 1000;
1628
}
1629

    
1630
static void opt_video_bitrate_max(const char *arg)
1631
{
1632
    video_rc_max_rate = atoi(arg) * 1000;
1633
}
1634

    
1635
static void opt_video_bitrate_min(const char *arg)
1636
{
1637
    video_rc_min_rate = atoi(arg) * 1000;
1638
}
1639

    
1640
static void opt_video_buffer_size(const char *arg)
1641
{
1642
    video_rc_buffer_size = atoi(arg) * 1024;
1643
}
1644

    
1645
static void opt_video_rc_eq(char *arg)
1646
{
1647
    video_rc_eq = arg;
1648
}
1649

    
1650
static void opt_video_rc_override_string(char *arg)
1651
{
1652
    video_rc_override_string = arg;
1653
}
1654

    
1655

    
1656
static void opt_workaround_bugs(const char *arg)
1657
{
1658
    workaround_bugs = atoi(arg);
1659
}
1660

    
1661
static void opt_dct_algo(const char *arg)
1662
{
1663
    dct_algo = atoi(arg);
1664
}
1665

    
1666
static void opt_idct_algo(const char *arg)
1667
{
1668
    idct_algo = atoi(arg);
1669
}
1670

    
1671

    
1672
static void opt_error_resilience(const char *arg)
1673
{
1674
    error_resilience = atoi(arg);
1675
}
1676

    
1677
static void opt_error_concealment(const char *arg)
1678
{
1679
    error_concealment = atoi(arg);
1680
}
1681

    
1682
static void opt_debug(const char *arg)
1683
{
1684
    debug = atoi(arg);
1685
}
1686

    
1687
static void opt_vismv(const char *arg)
1688
{
1689
    debug_mv = atoi(arg);
1690
}
1691
    
1692
static void opt_verbose(const char *arg)
1693
{
1694
    verbose = atoi(arg);
1695
}
1696

    
1697
static void opt_frame_rate(const char *arg)
1698
{
1699
    if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
1700
        fprintf(stderr, "Incorrect frame rate\n");
1701
        exit(1);
1702
    }
1703
}
1704

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

    
1723
static void opt_frame_crop_bottom(const char *arg)
1724
{
1725
    frame_bottomBand = atoi(arg);
1726
    if (frame_bottomBand < 0) {
1727
        fprintf(stderr, "Incorrect bottom crop size\n");
1728
        exit(1);
1729
    }
1730
    if ((frame_bottomBand % 2) != 0) {
1731
        fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
1732
        exit(1);        
1733
    }
1734
    if ((frame_bottomBand) >= frame_height){
1735
            fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1736
        exit(1);
1737
    }
1738
    frame_height -= frame_bottomBand;
1739
}
1740

    
1741
static void opt_frame_crop_left(const char *arg)
1742
{
1743
    frame_leftBand = atoi(arg);
1744
    if (frame_leftBand < 0) {
1745
        fprintf(stderr, "Incorrect left crop size\n");
1746
        exit(1);
1747
    }
1748
    if ((frame_leftBand % 2) != 0) {
1749
        fprintf(stderr, "Left crop size must be a multiple of 2\n");
1750
        exit(1);
1751
    }
1752
    if ((frame_leftBand) >= frame_width){
1753
            fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1754
        exit(1);
1755
    }
1756
    frame_width -= frame_leftBand;
1757
}
1758

    
1759
static void opt_frame_crop_right(const char *arg)
1760
{
1761
    frame_rightBand = atoi(arg);
1762
    if (frame_rightBand < 0) {
1763
        fprintf(stderr, "Incorrect right crop size\n");
1764
        exit(1);
1765
    }
1766
    if ((frame_rightBand % 2) != 0) {
1767
        fprintf(stderr, "Right crop size must be a multiple of 2\n");
1768
        exit(1);        
1769
    }
1770
    if ((frame_rightBand) >= frame_width){
1771
            fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1772
        exit(1);
1773
    }
1774
    frame_width -= frame_rightBand;
1775
}
1776

    
1777
static void opt_frame_size(const char *arg)
1778
{
1779
    if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
1780
        fprintf(stderr, "Incorrect frame size\n");
1781
        exit(1);
1782
    }
1783
    if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
1784
        fprintf(stderr, "Frame size must be a multiple of 2\n");
1785
        exit(1);
1786
    }
1787
}
1788

    
1789
static void opt_frame_pix_fmt(const char *arg)
1790
{
1791
    frame_pix_fmt = avcodec_get_pix_fmt(arg);
1792
}
1793

    
1794
static void opt_frame_aspect_ratio(const char *arg)
1795
{
1796
    int x = 0, y = 0;
1797
    double ar = 0;
1798
    const char *p;
1799
    
1800
    p = strchr(arg, ':');
1801
    if (p) {
1802
        x = strtol(arg, (char **)&arg, 10);
1803
        if (arg == p)
1804
            y = strtol(arg+1, (char **)&arg, 10);
1805
        if (x > 0 && y > 0)
1806
            ar = (double)x / (double)y;
1807
    } else
1808
        ar = strtod(arg, (char **)&arg);
1809

    
1810
    if (!ar) {
1811
        fprintf(stderr, "Incorrect aspect ratio specification.\n");
1812
        exit(1);
1813
    }
1814
    frame_aspect_ratio = ar;
1815
}
1816

    
1817
static void opt_gop_size(const char *arg)
1818
{
1819
    gop_size = atoi(arg);
1820
}
1821

    
1822
static void opt_b_frames(const char *arg)
1823
{
1824
    b_frames = atoi(arg);
1825
    if (b_frames > FF_MAX_B_FRAMES) {
1826
        fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
1827
        exit(1);
1828
    } else if (b_frames < 1) {
1829
        fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
1830
        exit(1);
1831
    }
1832
}
1833

    
1834
static void opt_mb_decision(const char *arg)
1835
{
1836
    mb_decision = atoi(arg);
1837
}
1838

    
1839
static void opt_mb_cmp(const char *arg)
1840
{
1841
    mb_cmp = atoi(arg);
1842
}
1843

    
1844
static void opt_sub_cmp(const char *arg)
1845
{
1846
    sub_cmp = atoi(arg);
1847
}
1848

    
1849
static void opt_cmp(const char *arg)
1850
{
1851
    cmp = atoi(arg);
1852
}
1853

    
1854
static void opt_qscale(const char *arg)
1855
{
1856
    video_qscale = atof(arg);
1857
    if (video_qscale < 0.01 ||
1858
        video_qscale > 255) {
1859
        fprintf(stderr, "qscale must be >= 0.01 and <= 255\n");
1860
        exit(1);
1861
    }
1862
}
1863

    
1864
static void opt_qmin(const char *arg)
1865
{
1866
    video_qmin = atoi(arg);
1867
    if (video_qmin < 0 ||
1868
        video_qmin > 31) {
1869
        fprintf(stderr, "qmin must be >= 1 and <= 31\n");
1870
        exit(1);
1871
    }
1872
}
1873

    
1874
static void opt_qmax(const char *arg)
1875
{
1876
    video_qmax = atoi(arg);
1877
    if (video_qmax < 0 ||
1878
        video_qmax > 31) {
1879
        fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1880
        exit(1);
1881
    }
1882
}
1883

    
1884
static void opt_mb_qmin(const char *arg)
1885
{
1886
    video_mb_qmin = atoi(arg);
1887
    if (video_mb_qmin < 0 ||
1888
        video_mb_qmin > 31) {
1889
        fprintf(stderr, "qmin must be >= 1 and <= 31\n");
1890
        exit(1);
1891
    }
1892
}
1893

    
1894
static void opt_mb_qmax(const char *arg)
1895
{
1896
    video_mb_qmax = atoi(arg);
1897
    if (video_mb_qmax < 0 ||
1898
        video_mb_qmax > 31) {
1899
        fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1900
        exit(1);
1901
    }
1902
}
1903

    
1904
static void opt_qdiff(const char *arg)
1905
{
1906
    video_qdiff = atoi(arg);
1907
    if (video_qdiff < 0 ||
1908
        video_qdiff > 31) {
1909
        fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
1910
        exit(1);
1911
    }
1912
}
1913

    
1914
static void opt_qblur(const char *arg)
1915
{
1916
    video_qblur = atof(arg);
1917
}
1918

    
1919
static void opt_qcomp(const char *arg)
1920
{
1921
    video_qcomp = atof(arg);
1922
}
1923

    
1924
static void opt_rc_initial_cplx(const char *arg)
1925
{
1926
    video_rc_initial_cplx = atof(arg);
1927
}
1928
static void opt_b_qfactor(const char *arg)
1929
{
1930
    video_b_qfactor = atof(arg);
1931
}
1932
static void opt_i_qfactor(const char *arg)
1933
{
1934
    video_i_qfactor = atof(arg);
1935
}
1936
static void opt_b_qoffset(const char *arg)
1937
{
1938
    video_b_qoffset = atof(arg);
1939
}
1940
static void opt_i_qoffset(const char *arg)
1941
{
1942
    video_i_qoffset = atof(arg);
1943
}
1944

    
1945
static void opt_packet_size(const char *arg)
1946
{
1947
    packet_size= atoi(arg);
1948
}
1949

    
1950
static void opt_error_rate(const char *arg)
1951
{
1952
    error_rate= atoi(arg);
1953
}
1954

    
1955
static void opt_strict(const char *arg)
1956
{
1957
    strict= atoi(arg);
1958
}
1959

    
1960
static void opt_top_field_first(const char *arg)
1961
{
1962
    top_field_first= atoi(arg);
1963
}
1964

    
1965
static void opt_noise_reduction(const char *arg)
1966
{
1967
    noise_reduction= atoi(arg);
1968
}
1969

    
1970
static void opt_audio_bitrate(const char *arg)
1971
{
1972
    audio_bit_rate = atoi(arg) * 1000;
1973
}
1974

    
1975
static void opt_audio_rate(const char *arg)
1976
{
1977
    audio_sample_rate = atoi(arg);
1978
}
1979

    
1980
static void opt_audio_channels(const char *arg)
1981
{
1982
    audio_channels = atoi(arg);
1983
}
1984

    
1985
static void opt_video_device(const char *arg)
1986
{
1987
    video_device = av_strdup(arg);
1988
}
1989

    
1990
static void opt_video_channel(const char *arg)
1991
{
1992
    video_channel = strtol(arg, NULL, 0);
1993
}
1994

    
1995
static void opt_video_standard(const char *arg)
1996
{
1997
    video_standard = av_strdup(arg);
1998
}
1999

    
2000
static void opt_audio_device(const char *arg)
2001
{
2002
    audio_device = av_strdup(arg);
2003
}
2004

    
2005
static void opt_dv1394(const char *arg)
2006
{
2007
    video_grab_format = "dv1394";
2008
    audio_grab_format = NULL;
2009
}
2010

    
2011
static void opt_audio_codec(const char *arg)
2012
{
2013
    AVCodec *p;
2014

    
2015
    if (!strcmp(arg, "copy")) {
2016
        audio_stream_copy = 1;
2017
    } else {
2018
        p = first_avcodec;
2019
        while (p) {
2020
            if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
2021
                break;
2022
            p = p->next;
2023
        }
2024
        if (p == NULL) {
2025
            fprintf(stderr, "Unknown audio codec '%s'\n", arg);
2026
            exit(1);
2027
        } else {
2028
            audio_codec_id = p->id;
2029
        }
2030
    }
2031
}
2032

    
2033
static void add_frame_hooker(const char *arg)
2034
{
2035
    int argc = 0;
2036
    char *argv[64];
2037
    int i;
2038
    char *args = av_strdup(arg);
2039

    
2040
    using_vhook = 1;
2041

    
2042
    argv[0] = strtok(args, " ");
2043
    while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2044
    }
2045

    
2046
    i = frame_hook_add(argc, argv);
2047

    
2048
    if (i != 0) {
2049
        fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2050
        exit(1);
2051
    }
2052
}
2053

    
2054
const char *motion_str[] = {
2055
    "zero",
2056
    "full",
2057
    "log",
2058
    "phods",
2059
    "epzs",
2060
    "x1",
2061
    NULL,
2062
};
2063

    
2064
static void opt_motion_estimation(const char *arg)
2065
{
2066
    const char **p;
2067
    p = motion_str;
2068
    for(;;) {
2069
        if (!*p) {
2070
            fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2071
            exit(1);
2072
        }
2073
        if (!strcmp(*p, arg))
2074
            break;
2075
        p++;
2076
    }
2077
    me_method = (p - motion_str) + 1;
2078
}
2079

    
2080
static void opt_video_codec(const char *arg)
2081
{
2082
    AVCodec *p;
2083

    
2084
    if (!strcmp(arg, "copy")) {
2085
        video_stream_copy = 1;
2086
    } else {
2087
        p = first_avcodec;
2088
        while (p) {
2089
            if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
2090
                break;
2091
            p = p->next;
2092
        }
2093
        if (p == NULL) {
2094
            fprintf(stderr, "Unknown video codec '%s'\n", arg);
2095
            exit(1);
2096
        } else {
2097
            video_codec_id = p->id;
2098
        }
2099
    }
2100
}
2101

    
2102
static void opt_map(const char *arg)
2103
{
2104
    AVStreamMap *m;
2105
    const char *p;
2106

    
2107
    p = arg;
2108
    m = &stream_maps[nb_stream_maps++];
2109

    
2110
    m->file_index = strtol(arg, (char **)&p, 0);
2111
    if (*p)
2112
        p++;
2113

    
2114
    m->stream_index = strtol(p, (char **)&p, 0);
2115
}
2116

    
2117
static void opt_recording_time(const char *arg)
2118
{
2119
    recording_time = parse_date(arg, 1);
2120
}
2121

    
2122
static void opt_start_time(const char *arg)
2123
{
2124
    start_time = parse_date(arg, 1);
2125
}
2126

    
2127
static void opt_input_file(const char *filename)
2128
{
2129
    AVFormatContext *ic;
2130
    AVFormatParameters params, *ap = &params;
2131
    int err, i, ret, rfps, rfps_base;
2132

    
2133
    if (!strcmp(filename, "-"))
2134
        filename = "pipe:";
2135

    
2136
    using_stdin |= !strcmp(filename, "pipe:" ) || 
2137
                   !strcmp( filename, "/dev/stdin" );
2138

    
2139
    /* get default parameters from command line */
2140
    memset(ap, 0, sizeof(*ap));
2141
    ap->sample_rate = audio_sample_rate;
2142
    ap->channels = audio_channels;
2143
    ap->frame_rate = frame_rate;
2144
    ap->frame_rate_base = frame_rate_base;
2145
    ap->width = frame_width;
2146
    ap->height = frame_height;
2147
    ap->image_format = image_format;
2148
    ap->pix_fmt = frame_pix_fmt;
2149

    
2150
    /* open the input file with generic libav function */
2151
    err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2152
    if (err < 0) {
2153
        print_error(filename, err);
2154
        exit(1);
2155
    }
2156
    
2157
    /* If not enough info to get the stream parameters, we decode the
2158
       first frames to get it. (used in mpeg case for example) */
2159
    ret = av_find_stream_info(ic);
2160
    if (ret < 0) {
2161
        fprintf(stderr, "%s: could not find codec parameters\n", filename);
2162
        exit(1);
2163
    }
2164

    
2165
    /* if seeking requested, we execute it */
2166
    if (start_time != 0) {
2167
        int64_t timestamp;
2168

    
2169
        timestamp = start_time;
2170
        /* add the stream start time */
2171
        if (ic->start_time != AV_NOPTS_VALUE)
2172
            timestamp += ic->start_time;
2173
        ret = av_seek_frame(ic, -1, timestamp);
2174
        if (ret < 0) {
2175
            fprintf(stderr, "%s: could not seek to position %0.3f\n", 
2176
                    filename, (double)timestamp / AV_TIME_BASE);
2177
        }
2178
        /* reset seek info */
2179
        start_time = 0;
2180
    }
2181

    
2182
    /* update the current parameters so that they match the one of the input stream */
2183
    for(i=0;i<ic->nb_streams;i++) {
2184
        AVCodecContext *enc = &ic->streams[i]->codec;
2185
        switch(enc->codec_type) {
2186
        case CODEC_TYPE_AUDIO:
2187
            //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2188
            audio_channels = enc->channels;
2189
            audio_sample_rate = enc->sample_rate;
2190
            break;
2191
        case CODEC_TYPE_VIDEO:
2192
            frame_height = enc->height;
2193
            frame_width = enc->width;
2194
            frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2195
            frame_pix_fmt = enc->pix_fmt;
2196
            rfps      = ic->streams[i]->r_frame_rate;
2197
            rfps_base = ic->streams[i]->r_frame_rate_base;
2198
            enc->workaround_bugs = workaround_bugs;
2199
            enc->error_resilience = error_resilience; 
2200
            enc->error_concealment = error_concealment; 
2201
            enc->idct_algo = idct_algo;
2202
            enc->debug = debug;
2203
            enc->debug_mv = debug_mv;            
2204
            if(bitexact)
2205
                enc->flags|= CODEC_FLAG_BITEXACT;
2206

    
2207
            assert(enc->frame_rate_base == rfps_base); // should be true for now
2208
            if (enc->frame_rate != rfps) { 
2209
                fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
2210
                    i, (float)enc->frame_rate / enc->frame_rate_base,
2211
                    (float)rfps / rfps_base);
2212
            }
2213
            /* update the current frame rate to match the stream frame rate */
2214
            frame_rate      = rfps;
2215
            frame_rate_base = rfps_base;
2216

    
2217
            enc->rate_emu = rate_emu;
2218
            break;
2219
        case CODEC_TYPE_DATA:
2220
            break;
2221
        default:
2222
            av_abort();
2223
        }
2224
    }
2225
    
2226
    input_files[nb_input_files] = ic;
2227
    /* dump the file content */
2228
    dump_format(ic, nb_input_files, filename, 0);
2229
    nb_input_files++;
2230
    file_iformat = NULL;
2231
    file_oformat = NULL;
2232
    image_format = NULL;
2233

    
2234
    rate_emu = 0;
2235
}
2236

    
2237
static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2238
{
2239
    int has_video, has_audio, i, j;
2240
    AVFormatContext *ic;
2241

    
2242
    has_video = 0;
2243
    has_audio = 0;
2244
    for(j=0;j<nb_input_files;j++) {
2245
        ic = input_files[j];
2246
        for(i=0;i<ic->nb_streams;i++) {
2247
            AVCodecContext *enc = &ic->streams[i]->codec;
2248
            switch(enc->codec_type) {
2249
            case CODEC_TYPE_AUDIO:
2250
                has_audio = 1;
2251
                break;
2252
            case CODEC_TYPE_VIDEO:
2253
                has_video = 1;
2254
                break;
2255
            default:
2256
                av_abort();
2257
            }
2258
        }
2259
    }
2260
    *has_video_ptr = has_video;
2261
    *has_audio_ptr = has_audio;
2262
}
2263

    
2264
static void opt_output_file(const char *filename)
2265
{
2266
    AVStream *st;
2267
    AVFormatContext *oc;
2268
    int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
2269
    int codec_id;
2270
    AVFormatParameters params, *ap = &params;
2271

    
2272
    if (!strcmp(filename, "-"))
2273
        filename = "pipe:";
2274

    
2275
    oc = av_mallocz(sizeof(AVFormatContext));
2276

    
2277
    if (!file_oformat) {
2278
        file_oformat = guess_format(NULL, filename, NULL);
2279
        if (!file_oformat) {
2280
            fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2281
                    filename);
2282
            exit(1);
2283
        }
2284
    }
2285
    
2286
    oc->oformat = file_oformat;
2287

    
2288
    if (!strcmp(file_oformat->name, "ffm") && 
2289
        strstart(filename, "http:", NULL)) {
2290
        /* special case for files sent to ffserver: we get the stream
2291
           parameters from ffserver */
2292
        if (read_ffserver_streams(oc, filename) < 0) {
2293
            fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2294
            exit(1);
2295
        }
2296
    } else {
2297
        use_video = file_oformat->video_codec != CODEC_ID_NONE;
2298
        use_audio = file_oformat->audio_codec != CODEC_ID_NONE;
2299

    
2300
        /* disable if no corresponding type found and at least one
2301
           input file */
2302
        if (nb_input_files > 0) {
2303
            check_audio_video_inputs(&input_has_video, &input_has_audio);
2304
            if (!input_has_video)
2305
                use_video = 0;
2306
            if (!input_has_audio)
2307
                use_audio = 0;
2308
        }
2309

    
2310
        /* manual disable */
2311
        if (audio_disable) {
2312
            use_audio = 0;
2313
        }
2314
        if (video_disable) {
2315
            use_video = 0;
2316
        }
2317
        
2318
        nb_streams = 0;
2319
        if (use_video) {
2320
            AVCodecContext *video_enc;
2321
            
2322
            st = av_mallocz(sizeof(AVStream));
2323
            if (!st) {
2324
                fprintf(stderr, "Could not alloc stream\n");
2325
                exit(1);
2326
            }
2327
            avcodec_get_context_defaults(&st->codec);
2328

    
2329
            video_enc = &st->codec;
2330
            
2331
            if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
2332
                video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2333
            if (video_stream_copy) {
2334
                st->stream_copy = 1;
2335
                video_enc->codec_type = CODEC_TYPE_VIDEO;
2336
            } else {
2337
                char *p;
2338
                int i;
2339
            
2340
                codec_id = file_oformat->video_codec;
2341
                if (video_codec_id != CODEC_ID_NONE)
2342
                    codec_id = video_codec_id;
2343
                
2344
                video_enc->codec_id = codec_id;
2345
                
2346
                video_enc->bit_rate = video_bit_rate;
2347
                video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
2348
                video_enc->frame_rate = frame_rate; 
2349
                video_enc->frame_rate_base = frame_rate_base; 
2350
                
2351
                video_enc->width = frame_width;
2352
                video_enc->height = frame_height;
2353
                video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
2354
                video_enc->pix_fmt = frame_pix_fmt;
2355

    
2356
                if (!intra_only)
2357
                    video_enc->gop_size = gop_size;
2358
                else
2359
                    video_enc->gop_size = 0;
2360
                if (video_qscale || same_quality) {
2361
                    video_enc->flags |= CODEC_FLAG_QSCALE;
2362
                    st->quality = FF_QP2LAMBDA * video_qscale;
2363
                }
2364

    
2365
                if(intra_matrix)
2366
                    video_enc->intra_matrix = intra_matrix;
2367
                if(inter_matrix)
2368
                    video_enc->inter_matrix = inter_matrix;
2369

    
2370
                if(bitexact)
2371
                    video_enc->flags |= CODEC_FLAG_BITEXACT;
2372

    
2373
                video_enc->mb_decision = mb_decision;
2374
                video_enc->mb_cmp = mb_cmp;
2375
                video_enc->me_sub_cmp = sub_cmp;
2376
                video_enc->me_cmp = cmp;
2377
                
2378
                if (use_umv) {
2379
                    video_enc->flags |= CODEC_FLAG_H263P_UMV;
2380
                }
2381
                   if (use_aic) {
2382
                    video_enc->flags |= CODEC_FLAG_H263P_AIC;
2383
                }
2384
                   if (use_aiv) {
2385
                    video_enc->flags |= CODEC_FLAG_H263P_AIV;
2386
                }
2387
                if (use_4mv) {
2388
                    video_enc->flags |= CODEC_FLAG_4MV;
2389
                }
2390
                if (use_obmc) {
2391
                    video_enc->flags |= CODEC_FLAG_OBMC;
2392
                }
2393
            
2394
                if(use_part) {
2395
                    video_enc->flags |= CODEC_FLAG_PART;
2396
                }
2397
                   if (use_alt_scan) {
2398
                    video_enc->flags |= CODEC_FLAG_ALT_SCAN;
2399
                }
2400
                   if (use_trell) {
2401
                    video_enc->flags |= CODEC_FLAG_TRELLIS_QUANT;
2402
                }
2403
                   if (use_scan_offset) {
2404
                    video_enc->flags |= CODEC_FLAG_SVCD_SCAN_OFFSET;
2405
                }
2406
                if (b_frames) {
2407
                    video_enc->max_b_frames = b_frames;
2408
                    video_enc->b_frame_strategy = 0;
2409
                    video_enc->b_quant_factor = 2.0;
2410
                }
2411
                if (do_interlace_dct) {
2412
                    video_enc->flags |= CODEC_FLAG_INTERLACED_DCT;
2413
                }
2414
                if (do_interlace_me) {
2415
                    video_enc->flags |= CODEC_FLAG_INTERLACED_ME;
2416
                }
2417
                video_enc->qmin = video_qmin;
2418
                video_enc->qmax = video_qmax;
2419
                video_enc->mb_qmin = video_mb_qmin;
2420
                video_enc->mb_qmax = video_mb_qmax;
2421
                video_enc->max_qdiff = video_qdiff;
2422
                video_enc->qblur = video_qblur;
2423
                video_enc->qcompress = video_qcomp;
2424
                video_enc->rc_eq = video_rc_eq;
2425
                video_enc->debug = debug;
2426
                video_enc->debug_mv = debug_mv;                
2427
                p= video_rc_override_string;
2428
                for(i=0; p; i++){
2429
                    int start, end, q;
2430
                    int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2431
                    if(e!=3){
2432
                        fprintf(stderr, "error parsing rc_override\n");
2433
                        exit(1);
2434
                    }
2435
                    video_enc->rc_override= 
2436
                        av_realloc(video_enc->rc_override, 
2437
                                   sizeof(RcOverride)*(i+1));
2438
                    video_enc->rc_override[i].start_frame= start;
2439
                    video_enc->rc_override[i].end_frame  = end;
2440
                    if(q>0){
2441
                        video_enc->rc_override[i].qscale= q;
2442
                        video_enc->rc_override[i].quality_factor= 1.0;
2443
                    }
2444
                    else{
2445
                        video_enc->rc_override[i].qscale= 0;
2446
                        video_enc->rc_override[i].quality_factor= -q/100.0;
2447
                    }
2448
                    p= strchr(p, '/');
2449
                    if(p) p++;
2450
                }
2451
                video_enc->rc_override_count=i;
2452

    
2453
                video_enc->rc_max_rate = video_rc_max_rate;
2454
                video_enc->rc_min_rate = video_rc_min_rate;
2455
                video_enc->rc_buffer_size = video_rc_buffer_size;
2456
                video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
2457
                video_enc->rc_initial_cplx= video_rc_initial_cplx;
2458
                video_enc->i_quant_factor = video_i_qfactor;
2459
                video_enc->b_quant_factor = video_b_qfactor;
2460
                video_enc->i_quant_offset = video_i_qoffset;
2461
                video_enc->b_quant_offset = video_b_qoffset;
2462
                video_enc->dct_algo = dct_algo;
2463
                video_enc->idct_algo = idct_algo;
2464
                video_enc->strict_std_compliance = strict;
2465
                video_enc->error_rate = error_rate;
2466
                video_enc->noise_reduction= noise_reduction;
2467
                if(packet_size){
2468
                    video_enc->rtp_mode= 1;
2469
                    video_enc->rtp_payload_size= packet_size;
2470
                }
2471
            
2472
                if (do_psnr)
2473
                    video_enc->flags|= CODEC_FLAG_PSNR;
2474
            
2475
                video_enc->me_method = me_method;
2476

    
2477
                /* two pass mode */
2478
                if (do_pass) {
2479
                    if (do_pass == 1) {
2480
                        video_enc->flags |= CODEC_FLAG_PASS1;
2481
                    } else {
2482
                        video_enc->flags |= CODEC_FLAG_PASS2;
2483
                    }
2484
                }
2485
            }
2486
            oc->streams[nb_streams] = st;
2487
            nb_streams++;
2488
        }
2489
    
2490
        if (use_audio) {
2491
            AVCodecContext *audio_enc;
2492

    
2493
            st = av_mallocz(sizeof(AVStream));
2494
            if (!st) {
2495
                fprintf(stderr, "Could not alloc stream\n");
2496
                exit(1);
2497
            }
2498
            avcodec_get_context_defaults(&st->codec);
2499

    
2500
            audio_enc = &st->codec;
2501
            audio_enc->codec_type = CODEC_TYPE_AUDIO;
2502

    
2503
            if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
2504
                audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2505
            if (audio_stream_copy) {
2506
                st->stream_copy = 1;
2507
            } else {
2508
                codec_id = file_oformat->audio_codec;
2509
                if (audio_codec_id != CODEC_ID_NONE)
2510
                    codec_id = audio_codec_id;
2511
                audio_enc->codec_id = codec_id;
2512
                
2513
                audio_enc->bit_rate = audio_bit_rate;
2514
                audio_enc->sample_rate = audio_sample_rate;
2515
                /* For audio codecs other than AC3 we limit */
2516
                /* the number of coded channels to stereo   */
2517
                if (audio_channels > 2 && codec_id != CODEC_ID_AC3) {
2518
                    audio_enc->channels = 2;
2519
                } else
2520
                    audio_enc->channels = audio_channels;
2521
            }
2522
            oc->streams[nb_streams] = st;
2523
            nb_streams++;
2524
        }
2525

    
2526
        oc->nb_streams = nb_streams;
2527

    
2528
        if (!nb_streams) {
2529
            fprintf(stderr, "No audio or video streams available\n");
2530
            exit(1);
2531
        }
2532

    
2533
        if (str_title)
2534
            pstrcpy(oc->title, sizeof(oc->title), str_title);
2535
        if (str_author)
2536
            pstrcpy(oc->author, sizeof(oc->author), str_author);
2537
        if (str_copyright)
2538
            pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
2539
        if (str_comment)
2540
            pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
2541
    }
2542

    
2543
    output_files[nb_output_files++] = oc;
2544

    
2545
    strcpy(oc->filename, filename);
2546

    
2547
    /* check filename in case of an image number is expected */
2548
    if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
2549
        if (filename_number_test(oc->filename) < 0) {
2550
            print_error(oc->filename, AVERROR_NUMEXPECTED);
2551
            exit(1);
2552
        }
2553
    }
2554

    
2555
    if (!(oc->oformat->flags & AVFMT_NOFILE)) {
2556
        /* test if it already exists to avoid loosing precious files */
2557
        if (!file_overwrite && 
2558
            (strchr(filename, ':') == NULL ||
2559
             strstart(filename, "file:", NULL))) {
2560
            if (url_exist(filename)) {
2561
                int c;
2562
                
2563
                if ( !using_stdin ) {
2564
                    fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
2565
                    fflush(stderr);
2566
                    c = getchar();
2567
                    if (toupper(c) != 'Y') {
2568
                        fprintf(stderr, "Not overwriting - exiting\n");
2569
                        exit(1);
2570
                    }
2571
                                }
2572
                                else {
2573
                    fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
2574
                    exit(1);
2575
                                }
2576
            }
2577
        }
2578
        
2579
        /* open the file */
2580
        if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
2581
            fprintf(stderr, "Could not open '%s'\n", filename);
2582
            exit(1);
2583
        }
2584
    }
2585

    
2586
    memset(ap, 0, sizeof(*ap));
2587
    ap->image_format = image_format;
2588
    if (av_set_parameters(oc, ap) < 0) {
2589
        fprintf(stderr, "%s: Invalid encoding parameters\n",
2590
                oc->filename);
2591
        exit(1);
2592
    }
2593

    
2594
    /* reset some options */
2595
    file_oformat = NULL;
2596
    file_iformat = NULL;
2597
    image_format = NULL;
2598
    audio_disable = 0;
2599
    video_disable = 0;
2600
    audio_codec_id = CODEC_ID_NONE;
2601
    video_codec_id = CODEC_ID_NONE;
2602
    audio_stream_copy = 0;
2603
    video_stream_copy = 0;
2604
}
2605

    
2606
/* prepare dummy protocols for grab */
2607
static void prepare_grab(void)
2608
{
2609
    int has_video, has_audio, i, j;
2610
    AVFormatContext *oc;
2611
    AVFormatContext *ic;
2612
    AVFormatParameters vp1, *vp = &vp1;
2613
    AVFormatParameters ap1, *ap = &ap1;
2614
    
2615
    /* see if audio/video inputs are needed */
2616
    has_video = 0;
2617
    has_audio = 0;
2618
    memset(ap, 0, sizeof(*ap));
2619
    memset(vp, 0, sizeof(*vp));
2620
    for(j=0;j<nb_output_files;j++) {
2621
        oc = output_files[j];
2622
        for(i=0;i<oc->nb_streams;i++) {
2623
            AVCodecContext *enc = &oc->streams[i]->codec;
2624
            switch(enc->codec_type) {
2625
            case CODEC_TYPE_AUDIO:
2626
                if (enc->sample_rate > ap->sample_rate)
2627
                    ap->sample_rate = enc->sample_rate;
2628
                if (enc->channels > ap->channels)
2629
                    ap->channels = enc->channels;
2630
                has_audio = 1;
2631
                break;
2632
            case CODEC_TYPE_VIDEO:
2633
                if (enc->width > vp->width)
2634
                    vp->width = enc->width;
2635
                if (enc->height > vp->height)
2636
                    vp->height = enc->height;
2637
                
2638
                assert(enc->frame_rate_base == DEFAULT_FRAME_RATE_BASE);
2639
                if (enc->frame_rate > vp->frame_rate){
2640
                    vp->frame_rate      = enc->frame_rate;
2641
                    vp->frame_rate_base = enc->frame_rate_base;
2642
                }
2643
                has_video = 1;
2644
                break;
2645
            default:
2646
                av_abort();
2647
            }
2648
        }
2649
    }
2650
    
2651
    if (has_video == 0 && has_audio == 0) {
2652
        fprintf(stderr, "Output file must have at least one audio or video stream\n");
2653
        exit(1);
2654
    }
2655
    
2656
    if (has_video) {
2657
        AVInputFormat *fmt1;
2658
        fmt1 = av_find_input_format(video_grab_format);
2659
        vp->device  = video_device;
2660
        vp->channel = video_channel;
2661
        vp->standard = video_standard;
2662
        if (av_open_input_file(&ic, "", fmt1, 0, vp) < 0) {
2663
            fprintf(stderr, "Could not find video grab device\n");
2664
            exit(1);
2665
        }
2666
        /* If not enough info to get the stream parameters, we decode the
2667
           first frames to get it. */
2668
        if ((ic->ctx_flags & AVFMTCTX_NOHEADER) && av_find_stream_info(ic) < 0) {
2669
            fprintf(stderr, "Could not find video grab parameters\n");
2670
            exit(1);
2671
        }
2672
        /* by now video grab has one stream */
2673
        ic->streams[0]->r_frame_rate      = vp->frame_rate;
2674
        ic->streams[0]->r_frame_rate_base = vp->frame_rate_base;
2675
        input_files[nb_input_files] = ic;
2676
        dump_format(ic, nb_input_files, "", 0);
2677
        nb_input_files++;
2678
    }
2679
    if (has_audio && audio_grab_format) {
2680
        AVInputFormat *fmt1;
2681
        fmt1 = av_find_input_format(audio_grab_format);
2682
        ap->device = audio_device;
2683
        if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
2684
            fprintf(stderr, "Could not find audio grab device\n");
2685
            exit(1);
2686
        }
2687
        input_files[nb_input_files] = ic;
2688
        dump_format(ic, nb_input_files, "", 0);
2689
        nb_input_files++;
2690
    }
2691
}
2692

    
2693
/* same option as mencoder */
2694
static void opt_pass(const char *pass_str)
2695
{
2696
    int pass;
2697
    pass = atoi(pass_str);
2698
    if (pass != 1 && pass != 2) {
2699
        fprintf(stderr, "pass number can be only 1 or 2\n");
2700
        exit(1);
2701
    }
2702
    do_pass = pass;
2703
}
2704

    
2705
#if defined(CONFIG_WIN32) || defined(CONFIG_OS2)
2706
static int64_t getutime(void)
2707
{
2708
  return av_gettime();
2709
}
2710
#else
2711
static int64_t getutime(void)
2712
{
2713
    struct rusage rusage;
2714

    
2715
    getrusage(RUSAGE_SELF, &rusage);
2716
    return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2717
}
2718
#endif
2719

    
2720
extern int ffm_nopts;
2721

    
2722
static void opt_bitexact(void)
2723
{
2724
    bitexact=1;
2725
    /* disable generate of real time pts in ffm (need to be supressed anyway) */
2726
    ffm_nopts = 1;
2727
}
2728

    
2729
static void show_formats(void)
2730
{
2731
    AVInputFormat *ifmt;
2732
    AVOutputFormat *ofmt;
2733
    AVImageFormat *image_fmt;
2734
    URLProtocol *up;
2735
    AVCodec *p;
2736
    const char **pp;
2737

    
2738
    printf("Output audio/video file formats:");
2739
    for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
2740
        printf(" %s", ofmt->name);
2741
    }
2742
    printf("\n");
2743

    
2744
    printf("Input audio/video file formats:");
2745
    for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
2746
        printf(" %s", ifmt->name);
2747
    }
2748
    printf("\n");
2749

    
2750
    printf("Output image formats:");
2751
    for(image_fmt = first_image_format; image_fmt != NULL; 
2752
        image_fmt = image_fmt->next) {
2753
        if (image_fmt->img_write)
2754
            printf(" %s", image_fmt->name);
2755
    }
2756
    printf("\n");
2757

    
2758
    printf("Input image formats:");
2759
    for(image_fmt = first_image_format; image_fmt != NULL; 
2760
        image_fmt = image_fmt->next) {
2761
        if (image_fmt->img_read)
2762
            printf(" %s", image_fmt->name);
2763
    }
2764
    printf("\n");
2765

    
2766
    printf("Codecs:\n");
2767
    printf("  Encoders:");
2768
    for(p = first_avcodec; p != NULL; p = p->next) {
2769
        if (p->encode)
2770
            printf(" %s", p->name);
2771
    }
2772
    printf("\n");
2773

    
2774
    printf("  Decoders:");
2775
    for(p = first_avcodec; p != NULL; p = p->next) {
2776
        if (p->decode)
2777
            printf(" %s", p->name);
2778
    }
2779
    printf("\n");
2780

    
2781
    printf("Supported file protocols:");
2782
    for(up = first_protocol; up != NULL; up = up->next)
2783
        printf(" %s:", up->name);
2784
    printf("\n");
2785
    
2786
    printf("Frame size, frame rate abbreviations: ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
2787
    printf("Motion estimation methods:");
2788
    pp = motion_str;
2789
    while (*pp) {
2790
        printf(" %s", *pp);
2791
        if ((pp - motion_str + 1) == ME_ZERO) 
2792
            printf("(fastest)");
2793
        else if ((pp - motion_str + 1) == ME_FULL) 
2794
            printf("(slowest)");
2795
        else if ((pp - motion_str + 1) == ME_EPZS) 
2796
            printf("(default)");
2797
        pp++;
2798
    }
2799
    printf("\n");
2800
    exit(1);
2801
}
2802

    
2803
void parse_matrix_coeffs(uint16_t *dest, const char *str)
2804
{
2805
    int i;
2806
    const char *p = str;
2807
    for(i = 0;; i++) {
2808
        dest[i] = atoi(p);
2809
        if(i == 63)
2810
            break;
2811
        p = strchr(p, ',');
2812
        if(!p) {
2813
            fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
2814
            exit(1);
2815
        }
2816
        p++;
2817
    }
2818
}
2819

    
2820
void opt_inter_matrix(const char *arg)
2821
{
2822
    inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
2823
    parse_matrix_coeffs(inter_matrix, arg);
2824
}
2825

    
2826
void opt_intra_matrix(const char *arg)
2827
{
2828
    intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
2829
    parse_matrix_coeffs(intra_matrix, arg);
2830
}
2831

    
2832
static void opt_target(const char *arg)
2833
{
2834
    int norm = -1;
2835

    
2836
    if(!strncmp(arg, "pal-", 4)) {
2837
        norm = 0;
2838
        arg += 4;
2839
    } else if(!strncmp(arg, "ntsc-", 5)) {
2840
        norm = 1;
2841
        arg += 5;
2842
    } else {
2843
        int fr;
2844
        /* Calculate FR via float to avoid int overflow */
2845
        fr = (int)(frame_rate * 1000.0 / frame_rate_base);
2846
        if(fr == 25000) {
2847
            norm = 0;
2848
        } else if((fr == 29970) || (fr == 23976)) {
2849
            norm = 1;
2850
        } else {
2851
            /* Try to determine PAL/NTSC by peeking in the input files */
2852
            if(nb_input_files) {
2853
                int i, j;
2854
                for(j = 0; j < nb_input_files; j++) {
2855
                    for(i = 0; i < input_files[j]->nb_streams; i++) {
2856
                        AVCodecContext *c = &input_files[j]->streams[i]->codec;
2857
                        if(c->codec_type != CODEC_TYPE_VIDEO)
2858
                            continue;
2859
                        fr = c->frame_rate * 1000 / c->frame_rate_base;
2860
                        if(fr == 25000) {
2861
                            norm = 0;
2862
                            break;
2863
                        } else if((fr == 29970) || (fr == 23976)) {
2864
                            norm = 1;
2865
                            break;
2866
                        }
2867
                    }
2868
                    if(norm >= 0)
2869
                        break;
2870
                }
2871
            }
2872
        }
2873
        if(verbose && norm >= 0)
2874
            printf("Assuming %s for target.\n", norm ? "NTSC" : "PAL");
2875
    }
2876

    
2877
    if(norm < 0) {
2878
        fprintf(stderr, "Could not determine norm (PAL/NTSC) for target.\n");
2879
        fprintf(stderr, "Please prefix target with \"pal-\" or \"ntsc-\",\n");
2880
        fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
2881
        exit(1);
2882
    }
2883

    
2884
    if(!strcmp(arg, "vcd")) {
2885

    
2886
        opt_video_codec("mpeg1video");
2887
        opt_audio_codec("mp2");
2888
        opt_format("vcd");
2889

    
2890
        opt_frame_size(norm ? "352x240" : "352x288");
2891

    
2892
        video_bit_rate = 1150000;
2893
        video_rc_max_rate = 1150000;
2894
        video_rc_min_rate = 1150000;
2895
        video_rc_buffer_size = 40*1024*8;
2896

    
2897
        audio_bit_rate = 224000;
2898
        audio_sample_rate = 44100;
2899

    
2900
    } else if(!strcmp(arg, "svcd")) {
2901

    
2902
        opt_video_codec("mpeg2video");
2903
        opt_audio_codec("mp2");
2904
        opt_format("vcd");
2905

    
2906
        opt_frame_size(norm ? "480x480" : "480x576");
2907
        opt_gop_size(norm ? "18" : "15");
2908

    
2909
        video_bit_rate = 2040000;
2910
        video_rc_max_rate = 2516000;
2911
        video_rc_min_rate = 0; //1145000;
2912
        video_rc_buffer_size = 224*1024*8;
2913
        use_scan_offset = 1;
2914

    
2915
        audio_bit_rate = 224000;
2916
        audio_sample_rate = 44100;
2917

    
2918
    } else if(!strcmp(arg, "dvd")) {
2919

    
2920
        opt_video_codec("mpeg2video");
2921
        opt_audio_codec("ac3");
2922
        opt_format("vob");
2923

    
2924
        opt_frame_size(norm ? "720x480" : "720x576");
2925
        opt_gop_size(norm ? "18" : "15");
2926

    
2927
        video_bit_rate = 6000000;
2928
        video_rc_max_rate = 9000000;
2929
        video_rc_min_rate = 0; //1500000;
2930
        video_rc_buffer_size = 224*1024*8;
2931

    
2932
        audio_bit_rate = 448000;
2933
        audio_sample_rate = 48000;
2934

    
2935
    } else {
2936
        fprintf(stderr, "Unknown target: %s\n", arg);
2937
        exit(1);
2938
    }
2939
}
2940

    
2941
const OptionDef options[] = {
2942
    /* main options */
2943
    { "L", 0, {(void*)show_license}, "show license" },
2944
    { "h", 0, {(void*)show_help}, "show help" },
2945
    { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
2946
    { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
2947
    { "img", HAS_ARG, {(void*)opt_image_format}, "force image format", "img_fmt" },
2948
    { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
2949
    { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
2950
    { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream" },
2951
    { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
2952
    { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
2953
    { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
2954
    { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
2955
    { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
2956
    { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
2957
    { "debug", HAS_ARG | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
2958
    { "vismv", HAS_ARG | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
2959
    { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark}, 
2960
      "add timings for benchmarking" },
2961
    { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump}, 
2962
      "dump each input packet" },
2963
    { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump}, 
2964
      "when dumping packets, also dump the payload" },
2965
    { "bitexact", OPT_EXPERT, {(void*)opt_bitexact}, "only use bit exact algorithms (for codec testing)" }, 
2966
    { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
2967
    { "loop", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
2968
    { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
2969
    { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\" or \"dvd\")", "type" },
2970

    
2971
    /* video options */
2972
    { "b", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" },
2973
    { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
2974
    { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
2975
    { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
2976
    { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
2977
    { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
2978
    { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
2979
    { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
2980
    { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
2981
    { "g", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_gop_size}, "set the group of picture size", "gop_size" },
2982
    { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
2983
    { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
2984
    { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
2985
    { "qmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmin}, "min video quantiser scale (VBR)", "q" },
2986
    { "qmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmax}, "max video quantiser scale (VBR)", "q" },
2987
    { "mbqmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_qmin}, "min macroblock quantiser scale (VBR)", "q" },
2988
    { "mbqmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_qmax}, "max macroblock quantiser scale (VBR)", "q" },
2989
    { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" },
2990
    { "qblur", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" },
2991
    { "qcomp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" },
2992
    { "rc_init_cplx", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_rc_initial_cplx}, "initial complexity for 1-pass encoding", "complexity" },
2993
    { "b_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qfactor}, "qp factor between p and b frames", "factor" },
2994
    { "i_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qfactor}, "qp factor between p and i frames", "factor" },
2995
    { "b_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qoffset}, "qp offset between p and b frames", "offset" },
2996
    { "i_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qoffset}, "qp offset between p and i frames", "offset" },
2997
//    { "b_strategy", HAS_ARG | OPT_EXPERT, {(void*)opt_b_strategy}, "dynamic b frame selection strategy", "strategy" },
2998
    { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
2999
    { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3000
    { "bt", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
3001
    { "maxrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_max}, "set max video bitrate tolerance (in kbit/s)", "bitrate" },
3002
    { "minrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_min}, "set min video bitrate tolerance (in kbit/s)", "bitrate" },
3003
    { "bufsize", HAS_ARG | OPT_VIDEO, {(void*)opt_video_buffer_size}, "set ratecontrol buffere size (in kbit)", "size" },
3004
    { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3005
    { "me", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_motion_estimation}, "set motion estimation method", 
3006
      "method" },
3007
    { "dct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_dct_algo}, "set dct algo",  "algo" },
3008
    { "idct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_idct_algo}, "set idct algo",  "algo" },
3009
    { "er", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_resilience}, "set error resilience",  "n" },
3010
    { "ec", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_concealment}, "set error concealment",  "bit_mask" },
3011
    { "bf", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_frames}, "use 'frames' B frames", "frames" },
3012
    { "hq", OPT_BOOL, {(void*)&mb_decision}, "activate high quality settings" },
3013
    { "mbd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_decision}, "macroblock decision", "mode" },
3014
    { "mbcmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_cmp}, "macroblock compare function", "cmp function" },
3015
    { "subcmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_sub_cmp}, "subpel compare function", "cmp function" },
3016
    { "cmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_cmp}, "fullpel compare function", "cmp function" },
3017
    { "4mv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_4mv}, "use four motion vector by macroblock (MPEG4)" },
3018
    { "obmc", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_obmc}, "use overlapped block motion compensation (h263+)" },
3019
    { "part", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_part}, "use data partitioning (MPEG4)" },
3020
    { "bug", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_workaround_bugs}, "workaround not auto detected encoder bugs", "param" },
3021
    { "ps", HAS_ARG | OPT_EXPERT, {(void*)opt_packet_size}, "set packet size in bits", "size" },
3022
    { "error", HAS_ARG | OPT_EXPERT, {(void*)opt_error_rate}, "error rate", "rate" },
3023
    { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standarts", "strictness" },
3024
    { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality}, 
3025
      "use same video quality as source (implies VBR)" },
3026
    { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3027
    { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3028
    { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace}, 
3029
      "deinterlace pictures" },
3030
    { "ildct", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_interlace_dct}, 
3031
      "force interlaced dct support in encoder (MPEG2/MPEG4)" },
3032
    { "ilme", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_interlace_me}, 
3033
      "force interlacied me support in encoder MPEG2" },
3034
    { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3035
    { "vstats", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_vstats}, "dump video coding statistics to file" }, 
3036
    { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3037
    { "aic", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_aic}, "enable Advanced intra coding (h263+)" },
3038
    { "aiv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_aiv}, "enable Alternative inter vlc (h263+)" },
3039
    { "umv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_umv}, "enable Unlimited Motion Vector (h263+)" },
3040
    { "alt", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_alt_scan}, "enable alternate scantable (mpeg2)" },
3041
    { "trell", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_trell}, "enable trellis quantization" },
3042
    { "scan_offset", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_scan_offset}, "enable SVCD Scan Offset placeholder" },
3043
    { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3044
    { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3045
    { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3046
    { "nr", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_noise_reduction}, "noise reduction", "" },
3047

    
3048
    /* audio options */
3049
    { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", },
3050
    { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3051
    { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3052
    { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3053
    { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3054

    
3055
    /* grab options */
3056
    { "vd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_device}, "set video grab device", "device" },
3057
    { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3058
    { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3059
    { "dv1394", OPT_EXPERT | OPT_GRAB, {(void*)opt_dv1394}, "set DV1394 grab", "" },
3060
    { "ad", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_GRAB, {(void*)opt_audio_device}, "set audio device", "device" },
3061
    { NULL, },
3062
};
3063

    
3064
static void show_banner(void)
3065
{
3066
    printf("ffmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2003 Fabrice Bellard\n");
3067
}
3068

    
3069
static void show_license(void)
3070
{
3071
    show_banner();
3072
    printf(
3073
    "This library is free software; you can redistribute it and/or\n"
3074
    "modify it under the terms of the GNU Lesser General Public\n"
3075
    "License as published by the Free Software Foundation; either\n"
3076
    "version 2 of the License, or (at your option) any later version.\n"
3077
    "\n"
3078
    "This library is distributed in the hope that it will be useful,\n"
3079
    "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3080
    "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\n"
3081
    "Lesser General Public License for more details.\n"
3082
    "\n"
3083
    "You should have received a copy of the GNU Lesser General Public\n"
3084
    "License along with this library; if not, write to the Free Software\n"
3085
    "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA\n"
3086
    );
3087
    exit(1);
3088
}
3089

    
3090
static void show_help(void)
3091
{
3092
    show_banner();
3093
    printf("usage: ffmpeg [[options] -i input_file]... {[options] outfile}...\n"
3094
           "Hyper fast Audio and Video encoder\n");
3095
    printf("\n");
3096
    show_help_options(options, "Main options:\n",
3097
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3098
    show_help_options(options, "\nVideo options:\n",
3099
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, 
3100
                      OPT_VIDEO);
3101
    show_help_options(options, "\nAdvanced Video options:\n",
3102
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, 
3103
                      OPT_VIDEO | OPT_EXPERT);
3104
    show_help_options(options, "\nAudio options:\n",
3105
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, 
3106
                      OPT_AUDIO);
3107
    show_help_options(options, "\nAdvanced Audio options:\n",
3108
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, 
3109
                      OPT_AUDIO | OPT_EXPERT);
3110
    show_help_options(options, "\nAudio/Video grab options:\n",
3111
                      OPT_GRAB, 
3112
                      OPT_GRAB);
3113
    show_help_options(options, "\nAdvanced options:\n",
3114
                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, 
3115
                      OPT_EXPERT);
3116
    exit(1);
3117
}
3118

    
3119
void parse_arg_file(const char *filename)
3120
{
3121
    opt_output_file(filename);
3122
}
3123

    
3124
int main(int argc, char **argv)
3125
{
3126
    int i;
3127
    int64_t ti;
3128

    
3129
    av_register_all();
3130

    
3131
    if (argc <= 1)
3132
        show_help();
3133
    
3134
    /* parse options */
3135
    parse_options(argc, argv, options);
3136

    
3137
    /* file converter / grab */
3138
    if (nb_output_files <= 0) {
3139
        fprintf(stderr, "Must supply at least one output file\n");
3140
        exit(1);
3141
    }
3142
    
3143
    if (nb_input_files == 0) {
3144
        prepare_grab();
3145
    }
3146

    
3147
    ti = getutime();
3148
    av_encode(output_files, nb_output_files, input_files, nb_input_files, 
3149
              stream_maps, nb_stream_maps);
3150
    ti = getutime() - ti;
3151
    if (do_benchmark) {
3152
        printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3153
    }
3154

    
3155
    /* close files */
3156
    for(i=0;i<nb_output_files;i++) {
3157
        /* maybe av_close_output_file ??? */
3158
        AVFormatContext *s = output_files[i];
3159
        int j;
3160
        if (!(s->oformat->flags & AVFMT_NOFILE))
3161
            url_fclose(&s->pb);
3162
        for(j=0;j<s->nb_streams;j++)
3163
            av_free(s->streams[j]);
3164
        av_free(s);
3165
    }
3166
    for(i=0;i<nb_input_files;i++)
3167
        av_close_input_file(input_files[i]);
3168

    
3169
    av_free_static();
3170

    
3171
    if(intra_matrix)
3172
        av_free(intra_matrix);
3173
    if(inter_matrix)
3174
        av_free(inter_matrix);
3175
    
3176
#ifdef POWERPC_PERFORMANCE_REPORT
3177
    extern void powerpc_display_perf_report(void);
3178
    powerpc_display_perf_report();
3179
#endif /* POWERPC_PERFORMANCE_REPORT */
3180

    
3181
#ifndef CONFIG_WIN32
3182
    if (received_sigterm) {
3183
        fprintf(stderr,
3184
            "Received signal %d: terminating.\n",
3185
            (int) received_sigterm);
3186
        exit (255);
3187
    }
3188
#endif
3189
    exit(0); /* not all OS-es handle main() return value */
3190
    return 0;
3191
}