ffmpeg2theora.c 121 KB
Newer Older
1
/* -*- tab-width:4;c-file-style:"cc-mode"; -*- */
2
/*
3
 * ffmpeg2theora.c -- Convert ffmpeg supported a/v files to  Ogg Theora / Vorbis
4
 * Copyright (C) 2003-2011 <j@v2v.cc>
5
 *
6
 * This program is free software: you can redistribute it and/or modify
7
 * it under the terms of the GNU General Public License as published by
8
 * the Free Software Foundation, either version 2 of the License, or
9
10
11
12
13
14
15
16
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
17
 * along with This program.  If not, see <http://www.gnu.org/licenses/>.
18
19
20
21
22
23
24
 */

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <getopt.h>
25
#include <math.h>
26
#include <errno.h>
27

28
29
#include "libavformat/avformat.h"
#include "libavdevice/avdevice.h"
30
#ifdef HAVE_FRAMEHOOK
Jan Gerber's avatar
Jan Gerber committed
31
#include "libavformat/framehook.h"
32
#endif
33
34
#include "libswscale/swscale.h"
#include "libpostproc/postprocess.h"
35

Jan Gerber's avatar
Jan Gerber committed
36
#include "theora/theoraenc.h"
37
38
39
#include "vorbis/codec.h"
#include "vorbis/vorbisenc.h"

40
41
42
43
#ifdef WIN32
#include "fcntl.h"
#endif

44
#include "theorautils.h"
45
#include "iso639.h"
46
47
#include "subtitles.h"
#include "ffmpeg2theora.h"
48
#include "avinfo.h"
49

50
51
#define LENGTH(x) (sizeof(x) / sizeof(*x))

52
enum {
Jan Gerber's avatar
Jan Gerber committed
53
54
    NULL_FLAG,
    DEINTERLACE_FLAG,
Jan Gerber's avatar
Jan Gerber committed
55
    NODEINTERLACE_FLAG,
Jan Gerber's avatar
Jan Gerber committed
56
    SOFTTARGET_FLAG,
Jan Gerber's avatar
Jan Gerber committed
57
58
59
    TWOPASS_FLAG,
    FIRSTPASS_FLAG,
    SECONDPASS_FLAG,
Jan Gerber's avatar
Jan Gerber committed
60
    OPTIMIZE_FLAG,
61
    NOSYNC_FLAG,
Jan Gerber's avatar
Jan Gerber committed
62
63
    NOAUDIO_FLAG,
    NOVIDEO_FLAG,
64
    NOSUBTITLES_FLAG,
65
    SUBTITLETYPES_FLAG,
66
    NOMETADATA_FLAG,
67
    NOOSHASH_FLAG,
Jan Gerber's avatar
Jan Gerber committed
68
69
70
71
72
73
    NOUPSCALING_FLAG,
    CROPTOP_FLAG,
    CROPBOTTOM_FLAG,
    CROPRIGHT_FLAG,
    CROPLEFT_FLAG,
    ASPECT_FLAG,
74
    PIXEL_ASPECT_FLAG,
Jan Gerber's avatar
Jan Gerber committed
75
76
77
    MAXSIZE_FLAG,
    INPUTFPS_FLAG,
    AUDIOSTREAM_FLAG,
Jan Gerber's avatar
Jan Gerber committed
78
    VIDEOSTREAM_FLAG,
Jan Gerber's avatar
Jan Gerber committed
79
80
81
82
83
84
85
86
87
88
    SUBTITLES_FLAG,
    SUBTITLES_ENCODING_FLAG,
    SUBTITLES_LANGUAGE_FLAG,
    SUBTITLES_CATEGORY_FLAG,
    SUBTITLES_IGNORE_NON_UTF8_FLAG,
    VHOOK_FLAG,
    FRONTEND_FLAG,
    FRONTENDFILE_FLAG,
    SPEEDLEVEL_FLAG,
    PP_FLAG,
89
    RESIZE_METHOD_FLAG,
90
    NOSKELETON,
91
    SKELETON_3,
92
    INDEX_INTERVAL,
Jan Gerber's avatar
Jan Gerber committed
93
94
    THEORA_INDEX_RESERVE,
    VORBIS_INDEX_RESERVE,
95
    KATE_INDEX_RESERVE,
96
    INFO_FLAG
97
} F2T_FLAGS;
Jan Gerber's avatar
Jan Gerber committed
98

Jan Gerber's avatar
Jan Gerber committed
99
enum {
Jan Gerber's avatar
Jan Gerber committed
100
101
102
103
104
105
    V2V_PRESET_NONE,
    V2V_PRESET_PRO,
    V2V_PRESET_PREVIEW,
    V2V_PRESET_VIDEOBIN,
    V2V_PRESET_PADMA,
    V2V_PRESET_PADMASTREAM,
Jan Gerber's avatar
Jan Gerber committed
106
} F2T_PRESETS;
Jan Gerber's avatar
Jan Gerber committed
107

108

109
110
111
112
113
114
115
116
117
#define PAL_HALF_WIDTH 384
#define PAL_HALF_HEIGHT 288
#define NTSC_HALF_WIDTH 320
#define NTSC_HALF_HEIGHT 240

#define PAL_FULL_WIDTH 720
#define PAL_FULL_HEIGHT 576
#define NTSC_FULL_WIDTH 720
#define NTSC_FULL_HEIGHT 480
Jan Gerber's avatar
Jan Gerber committed
118

119
120
#define INCSUB_TEXT 1
#define INCSUB_SPU 2
Jan Gerber's avatar
Jan Gerber committed
121

Jan Gerber's avatar
Jan Gerber committed
122
oggmux_info info;
123

124
125
static int using_stdin = 0;

Jan Gerber's avatar
Jan Gerber committed
126
127
static int padcolor[3] = { 16, 128, 128 };

128

Jan Gerber's avatar
Jan Gerber committed
129
130
131
132
133
134
static int ilog(unsigned _v){
  int ret;
  for(ret=0;_v;ret++)_v>>=1;
  return ret;
}

135
/**
Jan Gerber's avatar
Jan Gerber committed
136
 * Allocate and initialise an AVFrame.
137
 */
Jan Gerber's avatar
Jan Gerber committed
138
static AVFrame *frame_alloc(int pix_fmt, int width, int height) {
Jan Gerber's avatar
Jan Gerber committed
139
140
141
142
    AVFrame *picture;
    uint8_t *picture_buf;
    int size;

Jan Gerber's avatar
Jan Gerber committed
143
    picture = avcodec_alloc_frame();
Jan Gerber's avatar
Jan Gerber committed
144
145
146
147
    if (!picture)
        return NULL;
    size = avpicture_get_size (pix_fmt, width, height);
    picture_buf = av_malloc (size);
Jan Gerber's avatar
Jan Gerber committed
148
    if (!picture_buf) {
Jan Gerber's avatar
Jan Gerber committed
149
150
151
        av_free (picture);
        return NULL;
    }
Jan Gerber's avatar
Jan Gerber committed
152
    avpicture_fill((AVPicture *) picture, picture_buf, pix_fmt, width, height);
Jan Gerber's avatar
Jan Gerber committed
153
    return picture;
154
155
}

156
157
158
/**
 * Frees an AVFrame.
 */
Jan Gerber's avatar
Jan Gerber committed
159
static void frame_dealloc(AVFrame *frame) {
160
    if (frame) {
Jan Gerber's avatar
Jan Gerber committed
161
        avpicture_free((AVPicture*)frame);
162
163
164
165
        av_free(frame);
    }
}

166
167
168
169
/**
 * initialize ff2theora with default values
 * @return ff2theora struct
 */
Jan Gerber's avatar
Jan Gerber committed
170
static ff2theora ff2theora_init() {
Jan Gerber's avatar
Jan Gerber committed
171
    ff2theora this = calloc (1, sizeof (*this));
Jan Gerber's avatar
Jan Gerber committed
172
    if (this != NULL) {
Jan Gerber's avatar
Jan Gerber committed
173
        this->disable_audio=0;
174
        this->disable_video=0;
175
        this->included_subtitles=INCSUB_TEXT;
176
        this->disable_metadata=0;
177
        this->disable_oshash=0;
178
        this->no_upscaling=0;
Jan Gerber's avatar
Jan Gerber committed
179
180
181
182
183
184
        this->video_index = -1;
        this->audio_index = -1;
        this->start_time=0;
        this->end_time=0; /* 0 denotes no end time set */

        // audio
185
186
        this->sample_rate = -1;  // samplerate hmhmhm
        this->channels = -1;
187
        this->audio_quality = 1.00;// audio quality 1
Jan Gerber's avatar
Jan Gerber committed
188
        this->audio_bitrate=0;
189
        this->audiostream = -1;
Jan Gerber's avatar
Jan Gerber committed
190

Jan Gerber's avatar
Jan Gerber committed
191
        // video
Jan Gerber's avatar
Jan Gerber committed
192
        this->videostream = -1;
Jan Gerber's avatar
Jan Gerber committed
193
194
        this->picture_width=0;      // set to 0 to not resize the output
        this->picture_height=0;      // set to 0 to not resize the output
Jan Gerber's avatar
Jan Gerber committed
195
        this->video_quality=-1; // defaults set later
Jan Gerber's avatar
Jan Gerber committed
196
        this->video_bitrate=0;
Jan Gerber's avatar
Jan Gerber committed
197
        this->keyint=0;
198
199
        this->force_input_fps.num = -1;
        this->force_input_fps.den = 1;
200
        this->sync = 1;
Jan Gerber's avatar
Jan Gerber committed
201
202
        this->aspect_numerator=0;
        this->aspect_denominator=0;
203
204
205
206
207
        this->colorspace = TH_CS_UNSPECIFIED;
        this->frame_aspect.num=0;
        this->frame_aspect.den=1;
        this->pixel_aspect.num=0;
        this->pixel_aspect.den=0;
208
209
        this->max_x=-1;
        this->max_y=-1;
Jan Gerber's avatar
Jan Gerber committed
210
        this->deinterlace=0; // auto by default, if input is flaged as interlaced it will deinterlace.
Jan Gerber's avatar
Jan Gerber committed
211
212
        this->soft_target=0;
        this->buf_delay=-1;
Jan Gerber's avatar
Jan Gerber committed
213
        this->vhook=0;
214
215
        this->framerate_new.num = -1;
        this->framerate_new.den = 1;
Jan Gerber's avatar
Jan Gerber committed
216

Jan Gerber's avatar
Jan Gerber committed
217
218
219
220
        this->frame_topBand=0;
        this->frame_bottomBand=0;
        this->frame_leftBand=0;
        this->frame_rightBand=0;
Jan Gerber's avatar
Jan Gerber committed
221

222
223
        this->n_kate_streams=0;
        this->kate_streams=NULL;
224
        this->ignore_non_utf8 = 0;
225

226
        this->pix_fmt = PIX_FMT_YUV420P;
227
228
229
230
231
232
233
234
235

        // ffmpeg2theora --nosound -f dv -H 32000 -S 0 -v 8 -x 384 -y 288 -G 1.5 input.dv
        this->video_gamma  = 0.0;
        this->video_bright = 0.0;
        this->video_contr  = 0.0;
        this->video_satur  = 1.0;

        this->y_lut_used = 0;
        this->uv_lut_used = 0;
236
237
        this->sws_colorspace_ctx = NULL;
        this->sws_scale_ctx = NULL;
238
239

        this->resize_method = -1;
Jan Gerber's avatar
Jan Gerber committed
240
241
    }
    return this;
242
243
}

244
245
246
247
248
249
250
251
252
// gamma lookup table code

static void y_lut_init(ff2theora this) {
    int i;
    double v;

    double c = this->video_contr;
    double b = this->video_bright;
    double g = this->video_gamma;
Jan Gerber's avatar
Jan Gerber committed
253

254
255
256
257
258
259
260
    if ((g < 0.01) || (g > 100.0)) g = 1.0;
    if ((c < 0.01) || (c > 100.0)) c = 1.0;
    if ((b < -1.0) || (b > 1.0))   b = 0.0;

    if (g == 1.0 && c == 1.0 && b == 0.0) return;
    this->y_lut_used = 1;

Jan Gerber's avatar
typo    
Jan Gerber committed
261
    fprintf(stderr, "  Video correction: gamma=%g, contrast=%g, brightness=%g\n", g, c, b);
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288

    g = 1.0 / g;    // larger values shall make brighter video.

    for (i = 0; i < 256; i++) {
        v = (double) i / 255.0;
        v = c * v + b * 0.1;
        if (v < 0.0) v = 0.0;
        v = pow(v, g) * 255.0;    // mplayer's vf_eq2.c multiplies with 256 here, strange...

        if (v >= 255)
            this->y_lut[i] = 255;
        else
            this->y_lut[i] = (unsigned char)(v+0.5);
    }
}


static void uv_lut_init(ff2theora this) {
    int i;
    double v, s;
    s = this->video_satur;

    if ((s < 0.0) || (s > 100.0)) s = 1.0;

    if (s == 1.0) return;
    this->uv_lut_used = 1;

Jan Gerber's avatar
typo    
Jan Gerber committed
289
    fprintf(stderr, "  Color correction: saturation=%g\n", s);
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318

    for (i = 0; i < 256; i++) {
        v = 127.0 + (s * ((double)i - 127.0));
        if (v < 0.0) v = 0.0;

        if (v >= 255.0)
            this->uv_lut[i] = 255;
        else
            this->uv_lut[i] = (unsigned char)(v+0.5);
    }
}

static void lut_init(ff2theora this) {
    y_lut_init(this);
    uv_lut_init(this);
}

static void lut_apply(unsigned char *lut, unsigned char *src, unsigned char *dst, int width, int height, int stride) {
    int x, y;

    for (y = 0; y < height; y++) {
        for (x = 0; x < width; x++) {
            dst[x] = lut[src[x]];
        }
        src += stride;
        dst += stride;
    }
}

Jan Gerber's avatar
Jan Gerber committed
319
static void prepare_ycbcr_buffer(ff2theora this, th_ycbcr_buffer ycbcr, AVFrame *frame) {
Jan Gerber's avatar
Jan Gerber committed
320
    /* pysical pages */
Jan Gerber's avatar
Jan Gerber committed
321
322
323
324
    ycbcr[0].width = this->frame_width;
    ycbcr[0].height = this->frame_height;
    ycbcr[0].stride = frame->linesize[0];
    ycbcr[0].data = frame->data[0];
Jan Gerber's avatar
Jan Gerber committed
325

Jan Gerber's avatar
Jan Gerber committed
326
327
328
329
    ycbcr[1].width = this->frame_width / 2;
    ycbcr[1].height = this->frame_height / 2;
    ycbcr[1].stride = frame->linesize[1];
    ycbcr[1].data = frame->data[1];
Jan Gerber's avatar
Jan Gerber committed
330

Jan Gerber's avatar
Jan Gerber committed
331
332
333
334
    ycbcr[2].width = this->frame_width / 2;
    ycbcr[2].height = this->frame_height / 2;
    ycbcr[2].stride = frame->linesize[1];
    ycbcr[2].data = frame->data[2];
335

336
    if (this->y_lut_used) {
Jan Gerber's avatar
Jan Gerber committed
337
        lut_apply(this->y_lut, ycbcr[0].data, ycbcr[0].data, ycbcr[0].width, ycbcr[0].height, ycbcr[0].stride);
Jan Gerber's avatar
Jan Gerber committed
338
    }
339
    if (this->uv_lut_used) {
Jan Gerber's avatar
Jan Gerber committed
340
341
        lut_apply(this->uv_lut, ycbcr[1].data, ycbcr[1].data, ycbcr[1].width, ycbcr[1].height, ycbcr[1].stride);
        lut_apply(this->uv_lut, ycbcr[2].data, ycbcr[2].data, ycbcr[2].width, ycbcr[2].height, ycbcr[2].stride);
Jan Gerber's avatar
Jan Gerber committed
342
343
344
    }
}

345
static const char *find_category_for_subtitle_stream (ff2theora this, int idx, int included_subtitles)
346
347
{
  AVCodecContext *enc = this->context->streams[idx]->codec;
348
  if (enc->codec_type != AVMEDIA_TYPE_SUBTITLE) return 0;
349
350
351
  switch (enc->codec_id) {
    case CODEC_ID_TEXT:
    case CODEC_ID_SSA:
352
    case CODEC_ID_MOV_TEXT:
353
354
355
356
357
358
359
360
361
      if (included_subtitles & INCSUB_TEXT)
        return "SUB";
      else
        return NULL;
    case CODEC_ID_DVD_SUBTITLE:
      if (included_subtitles & INCSUB_SPU)
        return "K-SPU";
      else
        return NULL;
362
    default:
363
      return NULL;
364
  }
365
366
367
368
369
370
  return NULL;
}

static int is_supported_subtitle_stream(ff2theora this, int idx, int included_subtitles)
{
  return find_category_for_subtitle_stream(this, idx, included_subtitles) != NULL;
371
372
}

373
static char *get_raw_text_from_ssa(const char *ssa)
374
{
375
  int n,intag,inescape;
376
  char *multiblock = NULL, *realloced_mb;
377
378
379
380
  char *allocated;
  const char *dialogue, *ptr, *tag_start;

  if (!ssa) return NULL;
381
382
383
384
385
386
387
388
389
390
391

  /* turns out some SSA packets have several blocks, each on a single line, so loop */
  while (ssa) {
    dialogue=strstr(ssa, "Dialogue:");
    if (!dialogue) break;

    ptr = dialogue;
    for (n=0;n<9;++n) {
      ptr=strchr(ptr,',');
      if (!ptr) return NULL;
      ++ptr;
392
    }
393
394
395
396
397
398
399
400
401
402
    dialogue = ptr;
    allocated = strdup(dialogue);

    /* find all "{...}" tags - the following must work for UTF-8 */
    intag=inescape=0;
    n=0;
    for (ptr=dialogue; *ptr && *ptr!='\n'; ++ptr) {
      if (*ptr=='{') {
        if (intag==0) tag_start = ptr;
        ++intag;
403
      }
404
405
406
407
408
      else if (*ptr=='}') {
        --intag;
        if (intag == 0) {
          /* tag parsing - none for now */
        }
409
      }
410
411
412
413
414
415
416
      else if (!intag) {
        if (inescape) {
          if (*ptr == 'N' || *ptr == 'n')
            allocated[n++] = '\n';
          else if (*ptr == 'h')
            allocated[n++] = ' ';
          inescape=0;
417
418
        }
        else {
419
420
421
422
423
424
          if (*ptr=='\\') {
            inescape=1;
          }
          else {
            allocated[n++]=*ptr;
          }
425
426
427
        }
      }
    }
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
    allocated[n]=0;

    /* skip over what we read */
    ssa = ptr;

    /* remove any trailing newlines (also \r characters) */
    n = strlen(allocated);
    while (n>0 && (allocated[n-1]=='\n' || allocated[n-1]=='\r'))
      allocated[--n]=0;

    /* add this new block */
    realloced_mb = (char*)realloc(multiblock, (multiblock?strlen(multiblock):0) + strlen(allocated) + 2); /* \n + 0 */
    if (realloced_mb) {
      if (multiblock) strcat(realloced_mb, "\n"); else strcpy(realloced_mb, "");
      strcat(realloced_mb, allocated);
      multiblock = realloced_mb;
      free(allocated);
    }
446
447
  }

448
  return multiblock;
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
}

static const float get_ssa_time(const char *p)
{
    int hour, min, sec, hsec;

    if(sscanf(p, "%d:%d:%d%*c%d", &hour, &min, &sec, &hsec) != 4)
        return 0;

    min+= 60*hour;
    sec+= 60*min;
    return (float)(sec*100+hsec)/100;
}

static const float get_duration_from_ssa(const char *ssa)
{
  float d = 2.0f;
  double start, end;
  const char *ptr=ssa;

  ptr=strchr(ptr,',');
  if (!ptr) return d;
  ptr++;
  start = get_ssa_time(ptr);
  ptr=strchr(ptr,',');
  if (!ptr) return d;
  ptr++;
  end = get_ssa_time(ptr);

  return end-start;
}

481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
static void extra_info_from_ssa(AVPacket *pkt, const char **utf8, size_t *utf8len, char **allocated_utf8, float *duration)
{
  char *dupe;

  *allocated_utf8 = NULL;
  dupe = malloc(pkt->size+1); // not zero terminated, so make it so
  if (dupe) {
    memcpy(dupe, pkt->data, pkt->size);
    dupe[pkt->size] = 0;
    *duration = get_duration_from_ssa(dupe);
    *allocated_utf8 = get_raw_text_from_ssa(dupe);
    if (*allocated_utf8) {
      if (*allocated_utf8 == dupe) {
        *allocated_utf8 = NULL;
      }
      else {
        *utf8 = *allocated_utf8;
        *utf8len = strlen(*utf8);
      }
    }
    free(dupe);
  }
}

505
506
static const char *find_language_for_subtitle_stream(const AVStream *s)
{
Jan Gerber's avatar
Jan Gerber committed
507
  AVDictionaryEntry *language = av_dict_get(s->metadata, "language", NULL, 0);
508
  const char *lang=find_iso639_1(language->value);
509
  if (!lang) {
510
511
    fprintf(stderr, "WARNING - unrecognized ISO 639-2 language code: %s\n",
                    language->value);
512
513
514
515
  }
  return lang;
}

516
void ff2theora_output(ff2theora this) {
517
    unsigned int i;
Jan Gerber's avatar
Jan Gerber committed
518
519
    AVCodecContext *aenc = NULL;
    AVCodecContext *venc = NULL;
Jan Gerber's avatar
Jan Gerber committed
520
    int venc_pix_fmt = 0;
Jan Gerber's avatar
Jan Gerber committed
521
522
523
524
    AVStream *astream = NULL;
    AVStream *vstream = NULL;
    AVCodec *acodec = NULL;
    AVCodec *vcodec = NULL;
525
526
    pp_mode_t *ppMode = NULL;
    pp_context_t *ppContext = NULL;
527
    int sws_flags = this->resize_method;
Jan Gerber's avatar
Jan Gerber committed
528
    float frame_aspect = 0;
529
    double fps = 0.0;
530
    AVRational vstream_fps;
Jan Gerber's avatar
Jan Gerber committed
531
    int display_width = -1, display_height = -1;
532
533
    char *subtitles_enabled = (char*)alloca(this->context->nb_streams);
    char *subtitles_opened = (char*)alloca(this->context->nb_streams);
534
    int synced = this->start_time == 0.0;
535
    AVRational display_aspect_ratio, sample_aspect_ratio;
Jan Gerber's avatar
Jan Gerber committed
536

Jan Gerber's avatar
Jan Gerber committed
537
    if (this->audiostream >= 0 && this->context->nb_streams > this->audiostream) {
538
        AVCodecContext *enc = this->context->streams[this->audiostream]->codec;
539
        if (enc->codec_type == AVMEDIA_TYPE_AUDIO) {
540
            this->audio_index = this->audiostream;
541
            fprintf(stderr, "  Using stream #0.%d as audio input\n",this->audio_index);
542
543
        }
        else {
544
            fprintf(stderr, "  The selected stream is not audio, falling back to automatic selection\n");
545
546
        }
    }
Jan Gerber's avatar
Jan Gerber committed
547
548
    if (this->videostream >= 0 && this->context->nb_streams > this->videostream) {
        AVCodecContext *enc = this->context->streams[this->videostream]->codec;
549
        if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
Jan Gerber's avatar
Jan Gerber committed
550
551
552
553
554
555
556
            this->video_index = this->videostream;
            fprintf(stderr, "  Using stream #0.%d as video input\n",this->video_index);
        }
        else {
            fprintf(stderr, "  The selected stream is not video, falling back to automatic selection\n");
        }
    }
Jan Gerber's avatar
Jan Gerber committed
557

Jan Gerber's avatar
Jan Gerber committed
558
    for (i = 0; i < this->context->nb_streams; i++) {
559
        AVCodecContext *enc = this->context->streams[i]->codec;
Jan Gerber's avatar
Jan Gerber committed
560
        switch (enc->codec_type) {
561
            case AVMEDIA_TYPE_VIDEO:
Jan Gerber's avatar
Jan Gerber committed
562
                if (this->video_index < 0 && !this->disable_video)
563
564
                    this->video_index = i;
                break;
565
            case AVMEDIA_TYPE_AUDIO:
566
567
568
569
570
                if (this->audio_index < 0 && !this->disable_audio)
                    this->audio_index = i;
                break;
            default:
                break;
Jan Gerber's avatar
Jan Gerber committed
571
572
573
        }
    }

Jan Gerber's avatar
Jan Gerber committed
574
    if (this->video_index >= 0) {
Jan Gerber's avatar
Jan Gerber committed
575
        vstream = this->context->streams[this->video_index];
Jan Gerber's avatar
Jan Gerber committed
576
        venc = vstream->codec;
Jan Gerber's avatar
Jan Gerber committed
577
        vcodec = avcodec_find_decoder (venc->codec_id);
Jan Gerber's avatar
Jan Gerber committed
578

579
580
        display_width = venc->width;
        display_height = venc->height;
581
        venc_pix_fmt =  venc->pix_fmt;
Jan Gerber's avatar
Jan Gerber committed
582

583
584
585
        if (this->force_input_fps.num > 0)
            vstream_fps = this->force_input_fps;
        else if (vstream->time_base.den && vstream->time_base.num
586
587
                                  && av_q2d(vstream->time_base) > 0.001) {
            vstream_fps.num = vstream->time_base.den;
588
            vstream_fps.den = vstream->time_base.num;
589
        } else {
590
591
            vstream_fps.num = venc->time_base.den;
            vstream_fps.den = venc->time_base.num * venc->ticks_per_frame;
592
        }
593
594
        if (av_q2d(vstream->r_frame_rate) < av_q2d(vstream_fps)) {
            vstream_fps = vstream->r_frame_rate;
595
        }
596
        this->fps = fps = av_q2d(vstream_fps);
Jan Gerber's avatar
Jan Gerber committed
597

Jan Gerber's avatar
Jan Gerber committed
598
        if (vcodec == NULL || avcodec_open2 (venc, vcodec, NULL) < 0) {
Jan Gerber's avatar
Jan Gerber committed
599
            this->video_index = -1;
600
        }
Jan Gerber's avatar
Jan Gerber committed
601
        this->fps = fps;
602
603
604
605
606
607
608
#if DEBUG
        fprintf(stderr, "FPS1(stream): %f\n", 1/av_q2d(vstream->time_base));
        fprintf(stderr, "FPS2(stream.r_frame_rate): %f\n", av_q2d(vstream->r_frame_rate));
        fprintf(stderr, "FPS3(codec): %f\n", 1/av_q2d(venc->time_base));
        fprintf(stderr, "ticks per frame: %i\n", venc->ticks_per_frame);
        fprintf(stderr, "FPS used: %f\n", fps);
#endif
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
        if (this->picture_height==0 &&
            (this->frame_leftBand || this->frame_rightBand || this->frame_topBand || this->frame_bottomBand) ) {
            this->picture_height=display_height-
                    this->frame_topBand-this->frame_bottomBand;
        }
        if (this->picture_width==0 &&
            (this->frame_leftBand || this->frame_rightBand || this->frame_topBand || this->frame_bottomBand) ) {
            this->picture_width=display_width-
                    this->frame_leftBand-this->frame_rightBand;
        }

        //set display_aspect_ratio from source
        av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
                  venc->width*vstream->sample_aspect_ratio.num,
                  venc->height*vstream->sample_aspect_ratio.den,
                  1024*1024);

        if (vstream->sample_aspect_ratio.num && // default
627
            av_cmp_q(vstream->sample_aspect_ratio, venc->sample_aspect_ratio)) {
628
            sample_aspect_ratio = vstream->sample_aspect_ratio;
629
        } else {
630
            sample_aspect_ratio = venc->sample_aspect_ratio;
631
632
633
634
635
636
637
638
        }
        if (venc->sample_aspect_ratio.num) {
            av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
                      venc->width*venc->sample_aspect_ratio.num,
                      venc->height*venc->sample_aspect_ratio.den,
                      1024*1024);
        }

Jan Gerber's avatar
Jan Gerber committed
639
640
        if (this->preset == V2V_PRESET_PREVIEW) {
            if (abs(this->fps-30)<1 && (display_width!=NTSC_HALF_WIDTH || display_height!=NTSC_HALF_HEIGHT) ) {
641
642
                this->picture_width=NTSC_HALF_WIDTH;
                this->picture_height=NTSC_HALF_HEIGHT;
Jan Gerber's avatar
Jan Gerber committed
643
            }
Jan Gerber's avatar
Jan Gerber committed
644
645
646
647
            else {
                this->picture_width=PAL_HALF_WIDTH;
                this->picture_height=PAL_HALF_HEIGHT;
            }
Jan Gerber's avatar
Jan Gerber committed
648
        }
Jan Gerber's avatar
Jan Gerber committed
649
650
        else if (this->preset == V2V_PRESET_PRO) {
            if (abs(this->fps-30)<1 && (display_width!=NTSC_FULL_WIDTH || display_height!=NTSC_FULL_HEIGHT) ) {
651
652
                this->picture_width=NTSC_FULL_WIDTH;
                this->picture_height=NTSC_FULL_HEIGHT;
Jan Gerber's avatar
Jan Gerber committed
653
            }
Jan Gerber's avatar
Jan Gerber committed
654
655
656
657
            else {
                this->picture_width=PAL_FULL_WIDTH;
                this->picture_height=PAL_FULL_HEIGHT;
            }
Jan Gerber's avatar
Jan Gerber committed
658
        }
Jan Gerber's avatar
Jan Gerber committed
659
        else if (this->preset == V2V_PRESET_PADMA) {
660
661
            int width=display_width-this->frame_leftBand-this->frame_rightBand;
            int height=display_height-this->frame_topBand-this->frame_bottomBand;
662
663
664
665
            if (sample_aspect_ratio.den!=0 && sample_aspect_ratio.num!=0) {
                height=((float)sample_aspect_ratio.den/sample_aspect_ratio.num) * height;
                sample_aspect_ratio.den = 1;
                sample_aspect_ratio.num = 1;
Jan Gerber's avatar
Jan Gerber committed
666
            }
667
668
669
670
671
            if (this->frame_aspect.num == 0) {
                this->frame_aspect.num = width;
                this->frame_aspect.den = height;
            }
            if (av_q2d(this->frame_aspect) <= 1.5) {
Jan Gerber's avatar
Jan Gerber committed
672
673
674
675
676
677
678
679
680
                if (width > 640 || height > 480) {
                    //4:3 640 x 480
                    this->picture_width=640;
                    this->picture_height=480;
                }
                else {
                    this->picture_width=width;
                    this->picture_height=height;
                }
Jan Gerber's avatar
Jan Gerber committed
681
682
            }
            else {
Jan Gerber's avatar
Jan Gerber committed
683
684
685
686
687
688
689
690
691
                if (width > 640 || height > 360) {
                    //16:9 640 x 360
                    this->picture_width=640;
                    this->picture_height=360;
                }
                else {
                    this->picture_width=width;
                    this->picture_height=height;
                }
Jan Gerber's avatar
Jan Gerber committed
692
            }
693
694
            this->frame_aspect.num = this->picture_width;
            this->frame_aspect.den = this->picture_height;
Jan Gerber's avatar
Jan Gerber committed
695
        }
Jan Gerber's avatar
Jan Gerber committed
696
697
698
        else if (this->preset == V2V_PRESET_PADMASTREAM) {
            int width=display_width-this->frame_leftBand-this->frame_rightBand;
            int height=display_height-this->frame_topBand-this->frame_bottomBand;
699
700
701
702
            if (sample_aspect_ratio.den!=0 && sample_aspect_ratio.num!=0) {
                height=((float)sample_aspect_ratio.den/sample_aspect_ratio.num) * height;
                sample_aspect_ratio.den = 1;
                sample_aspect_ratio.num = 1;
Jan Gerber's avatar
Jan Gerber committed
703
            }
704
705
706
707
            if (this->frame_aspect.num == 0) {
                this->frame_aspect.num = width;
                this->frame_aspect.den = height;
            }
708
709
710
711

            this->picture_width=128;
            this->picture_height=128/av_q2d(this->frame_aspect);

Jan Gerber's avatar
Jan Gerber committed
712
713
            this->frame_aspect.num = this->picture_width;
            this->frame_aspect.den = this->picture_height;
Jan Gerber's avatar
Jan Gerber committed
714
715
716
717
        }
        else if (this->preset == V2V_PRESET_VIDEOBIN) {
            int width=display_width-this->frame_leftBand-this->frame_rightBand;
            int height=display_height-this->frame_topBand-this->frame_bottomBand;
718
719
720
721
            if (sample_aspect_ratio.den!=0 && sample_aspect_ratio.num!=0) {
                height=((float)sample_aspect_ratio.den/sample_aspect_ratio.num) * height;
                sample_aspect_ratio.den = 1;
                sample_aspect_ratio.num = 1;
Jan Gerber's avatar
Jan Gerber committed
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
            }
            if ( ((float)width /height) <= 1.5) {
                if (width > 448) {
                    //4:3 448 x 336
                    this->picture_width=448;
                    this->picture_height=336;
                }
                else {
                    this->picture_width=width;
                    this->picture_height=height;
                }
            }
            else {
                if (width > 512) {
                    //16:9 512 x 288
                    this->picture_width=512;
                    this->picture_height=288;
                }
                else {
                    this->picture_width=width;
                    this->picture_height=height;
                }
            }
Jan Gerber's avatar
Jan Gerber committed
745
746
            this->frame_aspect.num = this->picture_width;
            this->frame_aspect.den = this->picture_height;
Jan Gerber's avatar
Jan Gerber committed
747
        }
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
        //so frame_aspect is set on the commandline

        if (this->frame_aspect.num != 0) {
            if (this->picture_height) {
                this->aspect_numerator = this->frame_aspect.num*this->picture_height;
                this->aspect_denominator = this->frame_aspect.den*this->picture_width;
            }
            else{
                this->aspect_numerator = this->frame_aspect.num*display_height;
                this->aspect_denominator = this->frame_aspect.den*display_width;
            }
            av_reduce(&this->aspect_numerator,&this->aspect_denominator,
                       this->aspect_numerator,this->aspect_denominator,
                       1024*1024);
            frame_aspect=av_q2d(this->frame_aspect);
        }
764
765
766
        if ((this->picture_width && !this->picture_height) ||
            (this->picture_height && !this->picture_width) ||
            this->max_x > 0) {
767

Jan Gerber's avatar
Jan Gerber committed
768
769
            int width = display_width-this->frame_leftBand-this->frame_rightBand;
            int height = display_height-this->frame_topBand-this->frame_bottomBand;
770
771
772
773
            if (sample_aspect_ratio.den!=0 && sample_aspect_ratio.num!=0) {
                height=((float)sample_aspect_ratio.den/sample_aspect_ratio.num) * height;
                sample_aspect_ratio.den = 1;
                sample_aspect_ratio.num = 1;
Jan Gerber's avatar
Jan Gerber committed
774
            }
775
776
777
778
            if (this->frame_aspect.num == 0) {
                this->frame_aspect.num = width;
                this->frame_aspect.den = height;
            }
779
780
781

            if (this->picture_width && !this->picture_height) {
                this->picture_height = this->picture_width / av_q2d(this->frame_aspect);
Jan Gerber's avatar
Jan Gerber committed
782
                this->picture_height = this->picture_height + this->picture_height%2;
783
784
785
            }
            else if (this->picture_height && !this->picture_width) {
                this->picture_width = this->picture_height * av_q2d(this->frame_aspect);
Jan Gerber's avatar
Jan Gerber committed
786
787
                this->picture_width = this->picture_width + this->picture_width%2;
            }
788
789
790

            if (this->max_x > 0) {
                if (width > height &&
Jan Gerber's avatar
Jan Gerber committed
791
792
                    this->max_x/av_q2d(this->frame_aspect) <= this->max_y) {
                    this->picture_width = this->max_x;
793
794
795
                    this->picture_height = this->max_x / av_q2d(this->frame_aspect);
                    this->picture_height = this->picture_height + this->picture_height%2;
                } else {
Jan Gerber's avatar
Jan Gerber committed
796
797
                    this->picture_height = this->max_y;
                    this->picture_width = this->max_y * av_q2d(this->frame_aspect);
798
799
800
                    this->picture_width = this->picture_width + this->picture_width%2;
                }
            }
801
        }
802

Jan Gerber's avatar
Jan Gerber committed
803
        if (this->no_upscaling) {
804
805
            if (this->picture_height && this->picture_height > display_height) {
                this->picture_width = display_height * display_aspect_ratio.num / display_aspect_ratio.den;
806
                this->picture_height = display_height;
807
            }
808
809
810
811
            else if (this->picture_width && this->picture_width > display_width) {
                this->picture_width = display_width;
                this->picture_height = display_width * display_aspect_ratio.den / display_aspect_ratio.num;
            }
812
813
            if (this->fps < av_q2d(this->framerate_new))
                this->framerate_new = vstream_fps;
814
815
        }

816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
        if (info.twopass!=3 || info.passno==1) {
            if (sample_aspect_ratio.num!=0 && this->frame_aspect.num==0) {

                // just use the ratio from the input
                this->aspect_numerator=sample_aspect_ratio.num;
                this->aspect_denominator=sample_aspect_ratio.den;
                // or we use ratio for the output
                if (this->picture_height) {
                    int width=display_width-this->frame_leftBand-this->frame_rightBand;
                    int height=display_height-this->frame_topBand-this->frame_bottomBand;
                    av_reduce(&this->aspect_numerator,&this->aspect_denominator,
                    vstream->sample_aspect_ratio.num*width*this->picture_height,
                    vstream->sample_aspect_ratio.den*height*this->picture_width,10000);
                    frame_aspect=(float)(this->aspect_numerator*this->picture_width)/
                                    (this->aspect_denominator*this->picture_height);
                }
                else{
                    frame_aspect=(float)(this->aspect_numerator*display_width)/
                                    (this->aspect_denominator*display_height);
                }
Jan Gerber's avatar
Jan Gerber committed
836
837
            }
        }
838

839
840
841
842
843
844
845
846
847
848
849
850
851
        //pixel aspect ratio set, use that
        if (this->pixel_aspect.num>0) {
            this->aspect_numerator = this->pixel_aspect.num;
            this->aspect_denominator = this->pixel_aspect.den;
            if (this->picture_height) {
                frame_aspect=(float)(this->aspect_numerator*this->picture_width)/
                                (this->aspect_denominator*this->picture_height);
            }
            else{
                frame_aspect=(float)(this->aspect_numerator*display_width)/
                                (this->aspect_denominator*display_height);
            }
        }
852
        if (!(info.twopass==3 && info.passno==2) && !info.frontend && this->aspect_denominator && frame_aspect) {
853
            fprintf(stderr, "  Pixel Aspect Ratio: %.2f/1 ",(float)this->aspect_numerator/this->aspect_denominator);
Jan Gerber's avatar
Jan Gerber committed
854
            fprintf(stderr, "  Frame Aspect Ratio: %.2f/1\n", frame_aspect);
Jan Gerber's avatar
Jan Gerber committed
855
856
        }

Jan Gerber's avatar
Jan Gerber committed
857
858
        if (!(info.twopass==3 && info.passno==2) && !info.frontend &&
            this->deinterlace==1)
859
            fprintf(stderr, "  Deinterlace: on\n");
Jan Gerber's avatar
Jan Gerber committed
860
861
862
        if (!(info.twopass==3 && info.passno==2) && !info.frontend &&
            this->deinterlace==-1)
            fprintf(stderr, "  Deinterlace: off\n");
863
864

        if (strcmp(this->pp_mode, "")) {
Jan Gerber's avatar
Jan Gerber committed
865
866
            ppContext = pp_get_context(display_width, display_height, PP_FORMAT_420);
            ppMode = pp_get_mode_by_name_and_quality(this->pp_mode, PP_QUALITY_MAX);
867
            if(!(info.twopass==3 && info.passno==2) && !info.frontend)
Jan Gerber's avatar
Jan Gerber committed
868
                fprintf(stderr, "  Postprocessing: %s\n", this->pp_mode);
869
870
        }

871
872
873
874
875
        if (venc->color_primaries == AVCOL_PRI_BT470M)
            this->colorspace = TH_CS_ITU_REC_470M;
        else if (venc->color_primaries == AVCOL_PRI_BT470BG)
            this->colorspace = TH_CS_ITU_REC_470BG;

Jan Gerber's avatar
Jan Gerber committed
876
        if (!this->picture_width)
877
            this->picture_width = display_width;
Jan Gerber's avatar
Jan Gerber committed
878
        if (!this->picture_height)
879
            this->picture_height = display_height;
880

881
882
883
884
        /* Theora has a divisible-by-sixteen restriction for the encoded video size */
        /* scale the frame size up to the nearest /16 and calculate offsets */
        this->frame_width = ((this->picture_width + 15) >>4)<<4;
        this->frame_height = ((this->picture_height + 15) >>4)<<4;
Jan Gerber's avatar
Jan Gerber committed
885

Jan Gerber's avatar
Jan Gerber committed
886
887
888
889
        /*Force the offsets to be even so that chroma samples line up like we
           expect.*/
        this->frame_x_offset = this->frame_width-this->picture_width>>1&~1;
        this->frame_y_offset = this->frame_height-this->picture_height>>1&~1;
Jan Gerber's avatar
Jan Gerber committed
890

891
        //Bicubic  (best for upscaling),
892
893
894
895
896
897
898
        if (sws_flags < 0) {
          if(display_width - (this->frame_leftBand + this->frame_rightBand) < this->picture_width ||
             display_height - (this->frame_topBand + this->frame_bottomBand) < this->picture_height) {
             sws_flags = SWS_BICUBIC;
          } else {        //Bilinear (best for downscaling),
             sws_flags = SWS_BILINEAR;
          }
899
900
        }

Jan Gerber's avatar
Jan Gerber committed
901
        if (this->frame_width > 0 || this->frame_height > 0) {
Jan Gerber's avatar
Jan Gerber committed
902
            this->sws_colorspace_ctx = sws_getContext(
903
                            display_width, display_height, venc_pix_fmt,
Jan Gerber's avatar
Jan Gerber committed
904
905
                            display_width, display_height, this->pix_fmt,
                            sws_flags, NULL, NULL, NULL
Jan Gerber's avatar
Jan Gerber committed
906
907
            );
            this->sws_scale_ctx = sws_getContext(
Jan Gerber's avatar
Jan Gerber committed
908
909
910
911
912
                        display_width - (this->frame_leftBand + this->frame_rightBand),
                        display_height - (this->frame_topBand + this->frame_bottomBand),
                        this->pix_fmt,
                        this->picture_width, this->picture_height, this->pix_fmt,
                        sws_flags, NULL, NULL, NULL
Jan Gerber's avatar
Jan Gerber committed
913
            );
Jan Gerber's avatar
Jan Gerber committed
914
            if (!info.frontend && !(info.twopass==3 && info.passno==2)) {
Jan Gerber's avatar
Jan Gerber committed
915
916
917
918
919
                if (this->frame_topBand || this->frame_bottomBand ||
                    this->frame_leftBand || this->frame_rightBand ||
                    this->picture_width != (display_width-this->frame_leftBand - this->frame_rightBand) ||
                    this->picture_height != (display_height-this->frame_topBand-this->frame_bottomBand))
                    fprintf(stderr, "  Resize: %dx%d", display_width, display_height);
Jan Gerber's avatar
Jan Gerber committed
920
921
922
923
924
925
926
927
928
929
                if (this->frame_topBand || this->frame_bottomBand ||
                    this->frame_leftBand || this->frame_rightBand) {
                    fprintf(stderr, " => %dx%d",
                        display_width-this->frame_leftBand-this->frame_rightBand,
                        display_height-this->frame_topBand-this->frame_bottomBand);
                }
                if (this->picture_width != (display_width-this->frame_leftBand - this->frame_rightBand)
                    || this->picture_height != (display_height-this->frame_topBand-this->frame_bottomBand))
                    fprintf(stderr, " => %dx%d",this->picture_width, this->picture_height);
                fprintf(stderr, "\n");
Jan Gerber's avatar
Jan Gerber committed
930
931
            }
        }
932

933
        lut_init(this);
Jan Gerber's avatar
Jan Gerber committed
934
    }
935
    if (!(info.twopass==3 && info.passno==2) && !info.frontend && this->framerate_new.num > 0 && av_cmp_q(vstream_fps, this->framerate_new)) {
Jan Gerber's avatar
Jan Gerber committed
936
        fprintf(stderr, "  Resample Framerate: %0.3f => %0.3f\n",
937
                        this->fps, av_q2d(this->framerate_new));
938
    }
Jan Gerber's avatar
Jan Gerber committed
939
    if (this->audio_index >= 0) {
Jan Gerber's avatar
Jan Gerber committed
940
        astream = this->context->streams[this->audio_index];
941
        aenc = this->context->streams[this->audio_index]->codec;
Jan Gerber's avatar
Jan Gerber committed
942
        acodec = avcodec_find_decoder (aenc->codec_id);
943
        int sample_rate = aenc->sample_rate;
944
        if (this->channels < 1) {
945
            this->channels = aenc->channels;
946
        }
Jan Gerber's avatar
Jan Gerber committed
947
        if (this->sample_rate==-1) {
948
949
            this->sample_rate = aenc->sample_rate;
        }
Jan Gerber's avatar
Jan Gerber committed
950

Jan Gerber's avatar
Jan Gerber committed
951
952
        if (this->no_upscaling) {
            if (this->sample_rate > aenc->sample_rate)
953
                this->sample_rate = aenc->sample_rate;
Jan Gerber's avatar
Jan Gerber committed
954
            if (this->channels > aenc->channels)
955
956
957
                this->channels = aenc->channels;
        }

Jan Gerber's avatar
Jan Gerber committed
958
        if (acodec != NULL && avcodec_open2 (aenc, acodec, NULL) >= 0) {
959
            if (this->sample_rate != sample_rate
960
961
                || this->channels != aenc->channels
                || aenc->sample_fmt != SAMPLE_FMT_S16) {
962
963
                // values take from libavcodec/resample.c
                this->audio_resample_ctx = av_audio_resample_init(this->channels,    aenc->channels,
964
                                                                  this->sample_rate, sample_rate,
965
966
967
968
969
                                                                  SAMPLE_FMT_S16,    aenc->sample_fmt,
                                                                  16, 10, 0, 0.8);
                if (!this->audio_resample_ctx) {
                    this->channels = aenc->channels;
                }
970
971
                if (!info.frontend && this->sample_rate!=sample_rate)
                    fprintf(stderr, "  Resample: %dHz => %dHz\n", sample_rate,this->sample_rate);
Jan Gerber's avatar
Jan Gerber committed
972
                if (!info.frontend && this->channels!=aenc->channels)
973
                    fprintf(stderr, "  Channels: %d => %d\n",aenc->channels,this->channels);
Jan Gerber's avatar
Jan Gerber committed
974
975
976
977
978
979
980
981
982
            }
            else{
                this->audio_resample_ctx=NULL;
            }
        }
        else{
            this->audio_index = -1;
        }
    }
983

984
985
986
987
    if (info.passno != 1) {
      for (i = 0; i < this->context->nb_streams; i++) {
        subtitles_enabled[i] = 0;
        subtitles_opened[i] = 0;
988
#ifdef HAVE_KATE
989
        if (this->included_subtitles) {
990
991
          AVStream *stream = this->context->streams[i];
          AVCodecContext *enc = stream->codec;
992
          const char *category;
993
          if (enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
994
            AVCodec *codec = avcodec_find_decoder (enc->codec_id);
Jan Gerber's avatar
Jan Gerber committed
995
            if (codec && avcodec_open2 (enc, codec, NULL) >= 0) {
996
997
              subtitles_opened[i] = 1;
            }
998
999
            category = find_category_for_subtitle_stream(this, i, this->included_subtitles);
            if (category) {
1000
              subtitles_enabled[i] = 1;
1001
              add_subtitles_stream(this, i, find_language_for_subtitle_stream(stream), category);
1002
1003
            }
            else if(!info.frontend) {
1004
              fprintf(stderr,"Subtitle stream %d, ignored\n", i);
1005
            }
1006
1007
          }
        }
1008
#endif
1009
      }
1010
1011
    }

1012
#ifdef HAVE_KATE
1013
1014
    if (info.passno != 1) {
      for (i=0; i<this->n_kate_streams; ++i) {
1015
1016
        ff2theora_kate_stream *ks=this->kate_streams+i;
        if (ks->stream_index >= 0) {
1017
#ifdef DEBUG
1018
1019
            printf("Muxing Kate stream %d from input stream %d\n",
                i,ks->stream_index);
1020
#endif
1021
            if (this->included_subtitles) {
1022
1023
1024
              info.with_kate=1;
            }
        }
Jan Gerber's avatar
Jan Gerber committed
1025
        else if (load_subtitles(ks,this->ignore_non_utf8,info.frontend)>0) {
1026
#ifdef DEBUG
1027
1028
1029
1030
            printf("Muxing Kate stream %d from %s as %s %s\n",
                i,ks->filename,
                ks->subtitles_language[0]?ks->subtitles_language:"<unknown language>",
                ks->subtitles_category[0]?ks->subtitles_category:"SUB");
1031
#endif
1032
1033
1034
1035
1036
1037
1038
1039
        }
        else {
            if (i!=this->n_kate_streams) {
            memmove(this->kate_streams+i,this->kate_streams+i+1,(this->n_kate_streams-i-1)*sizeof(ff2theora_kate_stream));
            --this->n_kate_streams;
            --i;
          }
        }
1040
      }
1041
    }
1042
#endif
1043