Example #1
0
File: bd.c Project: eneko/HandBrake
/***********************************************************************
 * hb_bd_title_scan
 **********************************************************************/
hb_title_t * hb_bd_title_scan( hb_bd_t * d, int tt, uint64_t min_duration )
{

    hb_title_t   * title;
    hb_chapter_t * chapter;
    int            ii, jj;
    BLURAY_TITLE_INFO * ti = NULL;

    hb_log( "bd: scanning title %d", tt );

    title = hb_title_init( d->path, tt );
    title->demuxer = HB_MPEG_DEMUXER;
    title->type = HB_BD_TYPE;
    title->reg_desc = STR4_TO_UINT32("HDMV");

    char * p_cur, * p_last = d->path;
    for( p_cur = d->path; *p_cur; p_cur++ )
    {
        if( p_cur[0] == '/' && p_cur[1] )
        {
            p_last = &p_cur[1];
        }
    }
    snprintf( title->name, sizeof( title->name ), "%s", p_last );
    strncpy( title->path, d->path, 1024 );
    title->path[1023] = 0;

    title->vts = 0;
    title->ttn = 0;

    ti = d->title_info[tt - 1];
    if ( ti == NULL )
    {
        hb_log( "bd: invalid title" );
        goto fail;
    }
    if ( ti->clip_count == 0 )
    {
        hb_log( "bd: stream has no clips" );
        goto fail;
    }
    if ( ti->clips[0].video_stream_count == 0 )
    {
        hb_log( "bd: stream has no video" );
        goto fail;
    }

    hb_log( "bd: playlist %05d.MPLS", ti->playlist );
    title->playlist = ti->playlist;

    uint64_t pkt_count = 0;
    for ( ii = 0; ii < ti->clip_count; ii++ )
    {
        pkt_count += ti->clips[ii].pkt_count;
    }
    title->block_start = 0;
    title->block_end = pkt_count;
    title->block_count = pkt_count;

    title->angle_count = ti->angle_count;

    /* Get duration */
    title->duration = ti->duration;
    title->hours    = title->duration / 90000 / 3600;
    title->minutes  = ( ( title->duration / 90000 ) % 3600 ) / 60;
    title->seconds  = ( title->duration / 90000 ) % 60;
    hb_log( "bd: duration is %02d:%02d:%02d (%"PRId64" ms)",
            title->hours, title->minutes, title->seconds,
            title->duration / 90 );

    /* ignore short titles because they're often stills */
    if( ti->duration < min_duration )
    {
        hb_log( "bd: ignoring title (too short)" );
        goto fail;
    }

    BLURAY_STREAM_INFO * bdvideo = &ti->clips[0].video_streams[0];

    title->video_id = bdvideo->pid;
    title->video_stream_type = bdvideo->coding_type;

    hb_log( "bd: video id=0x%x, stream type=%s, format %s", title->video_id,
            bdvideo->coding_type == BLURAY_STREAM_TYPE_VIDEO_MPEG1 ? "MPEG1" :
            bdvideo->coding_type == BLURAY_STREAM_TYPE_VIDEO_MPEG2 ? "MPEG2" :
            bdvideo->coding_type == BLURAY_STREAM_TYPE_VIDEO_VC1 ? "VC-1" :
            bdvideo->coding_type == BLURAY_STREAM_TYPE_VIDEO_H264 ? "H.264" :
            "Unknown",
            bdvideo->format == BLURAY_VIDEO_FORMAT_480I ? "480i" :
            bdvideo->format == BLURAY_VIDEO_FORMAT_576I ? "576i" :
            bdvideo->format == BLURAY_VIDEO_FORMAT_480P ? "480p" :
            bdvideo->format == BLURAY_VIDEO_FORMAT_1080I ? "1080i" :
            bdvideo->format == BLURAY_VIDEO_FORMAT_720P ? "720p" :
            bdvideo->format == BLURAY_VIDEO_FORMAT_1080P ? "1080p" :
            bdvideo->format == BLURAY_VIDEO_FORMAT_576P ? "576p" :
            "Unknown"
          );

    if ( bdvideo->coding_type == BLURAY_STREAM_TYPE_VIDEO_VC1 &&
       ( bdvideo->format == BLURAY_VIDEO_FORMAT_480I ||
         bdvideo->format == BLURAY_VIDEO_FORMAT_576I ||
         bdvideo->format == BLURAY_VIDEO_FORMAT_1080I ) )
    {
        hb_log( "bd: Interlaced VC-1 not supported" );
        goto fail;
    }

    switch( bdvideo->coding_type )
    {
        case BLURAY_STREAM_TYPE_VIDEO_MPEG1:
        case BLURAY_STREAM_TYPE_VIDEO_MPEG2:
            title->video_codec = WORK_DECMPEG2;
            title->video_codec_param = 0;
            break;

        case BLURAY_STREAM_TYPE_VIDEO_VC1:
            title->video_codec = WORK_DECAVCODECV;
            title->video_codec_param = CODEC_ID_VC1;
            break;

        case BLURAY_STREAM_TYPE_VIDEO_H264:
            title->video_codec = WORK_DECAVCODECV;
            title->video_codec_param = CODEC_ID_H264;
            title->flags |= HBTF_NO_IDR;
            break;

        default:
            hb_log( "scan: unknown video codec (0x%x)",
                    bdvideo->coding_type );
            goto fail;
    }

    switch ( bdvideo->aspect )
    {
        case BLURAY_ASPECT_RATIO_4_3:
            title->container_aspect = 4. / 3.;
            break;
        case BLURAY_ASPECT_RATIO_16_9:
            title->container_aspect = 16. / 9.;
            break;
        default:
            hb_log( "bd: unknown aspect" );
            goto fail;
    }
    hb_log( "bd: aspect = %g", title->container_aspect );

    /* Detect audio */
    // All BD clips are not all required to have the same audio.
    // But clips that have seamless transition are required
    // to have the same audio as the previous clip.
    // So find the clip that has the most other clips with the 
    // matching audio.
    // Max primary BD audios is 32
    int matches;
    int most_audio = 0;
    int audio_clip_index = 0;
    for ( ii = 0; ii < ti->clip_count; ii++ )
    {
        matches = 0;
        for ( jj = 0; jj < ti->clip_count; jj++ )
        {
            if ( bd_audio_equal( &ti->clips[ii], &ti->clips[jj] ) )
            {
                matches++;
            }
        }
        if ( matches > most_audio )
        {
            most_audio = matches;
            audio_clip_index = ii;
        }
    }

    // Add all the audios found in the above clip.
    for ( ii = 0; ii < ti->clips[audio_clip_index].audio_stream_count; ii++ )
    {
        BLURAY_STREAM_INFO * bdaudio;

        bdaudio = &ti->clips[audio_clip_index].audio_streams[ii];

        switch( bdaudio->coding_type )
        {
            case BLURAY_STREAM_TYPE_AUDIO_TRUHD:
                // Add 2 audio tracks.  One for TrueHD and one for AC-3
                add_audio(ii, title->list_audio, bdaudio, 
                          HB_SUBSTREAM_BD_AC3, HB_ACODEC_AC3, 0);
                add_audio(ii, title->list_audio, bdaudio, 
                    HB_SUBSTREAM_BD_TRUEHD, HB_ACODEC_FFMPEG, CODEC_ID_TRUEHD);
                break;

            case BLURAY_STREAM_TYPE_AUDIO_DTS:
                add_audio(ii, title->list_audio, bdaudio, 0, HB_ACODEC_DCA, 0);
                break;

            case BLURAY_STREAM_TYPE_AUDIO_MPEG2:
            case BLURAY_STREAM_TYPE_AUDIO_MPEG1:
                add_audio(ii, title->list_audio, bdaudio, 0, 
                          HB_ACODEC_FFMPEG, CODEC_ID_MP2);
                break;

            case BLURAY_STREAM_TYPE_AUDIO_AC3PLUS:
                add_audio(ii, title->list_audio, bdaudio, 0, 
                          HB_ACODEC_FFMPEG, CODEC_ID_EAC3);
                break;

            case BLURAY_STREAM_TYPE_AUDIO_LPCM:
                add_audio(ii, title->list_audio, bdaudio, 0, 
                          HB_ACODEC_FFMPEG, CODEC_ID_PCM_BLURAY);
                break;

            case BLURAY_STREAM_TYPE_AUDIO_AC3:
                add_audio(ii, title->list_audio, bdaudio, 0, HB_ACODEC_AC3, 0);
                break;

            case BLURAY_STREAM_TYPE_AUDIO_DTSHD_MASTER:
            case BLURAY_STREAM_TYPE_AUDIO_DTSHD:
                // Add 2 audio tracks.  One for DTS-HD and one for DTS
                add_audio(ii, title->list_audio, bdaudio, HB_SUBSTREAM_BD_DTS, 
                          HB_ACODEC_DCA, 0);
                // DTS-HD is special.  The substreams must be concatinated
                // DTS-core followed by DTS-hd-extensions.  Setting
                // a substream id of 0 says use all substreams.
                add_audio(ii, title->list_audio, bdaudio, 0,
                          HB_ACODEC_DCA_HD, CODEC_ID_DTS);
                break;

            default:
                hb_log( "scan: unknown audio pid 0x%x codec 0x%x",
                        bdaudio->pid, bdaudio->coding_type );
                break;
        }
    }

    // Add all the subtitles found in the above clip.
    for ( ii = 0; ii < ti->clips[audio_clip_index].pg_stream_count; ii++ )
    {
        BLURAY_STREAM_INFO * bdpgs;

        bdpgs = &ti->clips[audio_clip_index].pg_streams[ii];

        switch( bdpgs->coding_type )
        {
            case BLURAY_STREAM_TYPE_SUB_PG:
                add_subtitle(ii, title->list_subtitle, bdpgs, WORK_DECPGSSUB);
                break;
            default:
                hb_log( "scan: unknown subtitle pid 0x%x codec 0x%x",
                        bdpgs->pid, bdpgs->coding_type );
                break;
        }
    }

    /* Chapters */
    for ( ii = 0; ii < ti->chapter_count; ii++ )
    {
        chapter = calloc( sizeof( hb_chapter_t ), 1 );

        chapter->index = ii + 1;
        sprintf( chapter->title, "Chapter %d", chapter->index );

        chapter->duration = ti->chapters[ii].duration;
        chapter->block_start = ti->chapters[ii].offset;

        int seconds      = ( chapter->duration + 45000 ) / 90000;
        chapter->hours   = ( seconds / 3600 );
        chapter->minutes = ( seconds % 3600 ) / 60;
        chapter->seconds = ( seconds % 60 );

        hb_log( "bd: chap %d packet=%"PRIu64", %"PRId64" ms",
                chapter->index,
                chapter->block_start,
                chapter->duration / 90 );

        hb_list_add( title->list_chapter, chapter );
    }
    hb_log( "bd: title %d has %d chapters", tt, ti->chapter_count );

    /* This title is ok so far */
    goto cleanup;

fail:
    hb_title_close( &title );

cleanup:

    return title;
}
Example #2
0
/***********************************************************************
 * hb_bd_title_scan
 **********************************************************************/
hb_title_t * hb_bd_title_scan( hb_bd_t * d, int tt, uint64_t min_duration )
{

    hb_title_t   * title;
    hb_chapter_t * chapter;
    int            ii, jj;
    BLURAY_TITLE_INFO * ti = NULL;

    hb_log( "bd: scanning title %d", tt );

    title = hb_title_init( d->path, tt );
    title->demuxer = HB_TS_DEMUXER;
    title->type = HB_BD_TYPE;
    title->reg_desc = STR4_TO_UINT32("HDMV");

    char * p_cur, * p_last = d->path;
    for( p_cur = d->path; *p_cur; p_cur++ )
    {
        if( IS_DIR_SEP(p_cur[0]) && p_cur[1] )
        {
            p_last = &p_cur[1];
        }
    }
    snprintf( title->name, sizeof( title->name ), "%s", p_last );
    char *dot_term = strrchr(title->name, '.');
    if (dot_term)
        *dot_term = '\0';

    title->vts = 0;
    title->ttn = 0;

    if (tt <= d->title_count)
    {
        ti = d->title_info[tt - 1];
    }
    if ( ti == NULL )
    {
        hb_log( "bd: invalid title" );
        goto fail;
    }
    if ( ti->clip_count == 0 )
    {
        hb_log( "bd: stream has no clips" );
        goto fail;
    }
    if ( ti->clips[0].video_stream_count == 0 )
    {
        hb_log( "bd: stream has no video" );
        goto fail;
    }

    hb_log( "bd: playlist %05d.MPLS", ti->playlist );
    title->playlist = ti->playlist;

    uint64_t pkt_count = 0;
    for ( ii = 0; ii < ti->clip_count; ii++ )
    {
        pkt_count += ti->clips[ii].pkt_count;
    }
    title->block_start = 0;
    title->block_end = pkt_count;
    title->block_count = pkt_count;

    title->angle_count = ti->angle_count;

    /* Get duration */
    title->duration = ti->duration;
    title->hours    = title->duration / 90000 / 3600;
    title->minutes  = ( ( title->duration / 90000 ) % 3600 ) / 60;
    title->seconds  = ( title->duration / 90000 ) % 60;
    hb_log( "bd: duration is %02d:%02d:%02d (%"PRIu64" ms)",
            title->hours, title->minutes, title->seconds,
            title->duration / 90 );

    /* ignore short titles because they're often stills */
    if( ti->duration < min_duration )
    {
        hb_log( "bd: ignoring title (too short)" );
        goto fail;
    }
    if (global_verbosity_level >= 2)
    {
        show_clip_list(ti);
    }

    BLURAY_STREAM_INFO * bdvideo = &ti->clips[0].video_streams[0];

    title->video_id = bdvideo->pid;
    title->video_stream_type = bdvideo->coding_type;

    hb_log( "bd: video id=0x%x, stream type=%s, format %s", title->video_id,
            bdvideo->coding_type == BLURAY_STREAM_TYPE_VIDEO_MPEG1 ? "MPEG1" :
            bdvideo->coding_type == BLURAY_STREAM_TYPE_VIDEO_MPEG2 ? "MPEG2" :
            bdvideo->coding_type == BLURAY_STREAM_TYPE_VIDEO_VC1 ? "VC-1" :
            bdvideo->coding_type == BLURAY_STREAM_TYPE_VIDEO_H264 ? "H.264" :
            "Unknown",
            bdvideo->format == BLURAY_VIDEO_FORMAT_480I ? "480i" :
            bdvideo->format == BLURAY_VIDEO_FORMAT_576I ? "576i" :
            bdvideo->format == BLURAY_VIDEO_FORMAT_480P ? "480p" :
            bdvideo->format == BLURAY_VIDEO_FORMAT_1080I ? "1080i" :
            bdvideo->format == BLURAY_VIDEO_FORMAT_720P ? "720p" :
            bdvideo->format == BLURAY_VIDEO_FORMAT_1080P ? "1080p" :
            bdvideo->format == BLURAY_VIDEO_FORMAT_576P ? "576p" :
            "Unknown"
          );

    switch( bdvideo->coding_type )
    {
        case BLURAY_STREAM_TYPE_VIDEO_MPEG1:
        case BLURAY_STREAM_TYPE_VIDEO_MPEG2:
            title->video_codec = WORK_DECAVCODECV;
            title->video_codec_param = AV_CODEC_ID_MPEG2VIDEO;
            break;

        case BLURAY_STREAM_TYPE_VIDEO_VC1:
            title->video_codec = WORK_DECAVCODECV;
            title->video_codec_param = AV_CODEC_ID_VC1;
            break;

        case BLURAY_STREAM_TYPE_VIDEO_H264:
            title->video_codec = WORK_DECAVCODECV;
            title->video_codec_param = AV_CODEC_ID_H264;
            break;

        default:
            hb_log( "scan: unknown video codec (0x%x)",
                    bdvideo->coding_type );
            goto fail;
    }

    switch ( bdvideo->aspect )
    {
        case BLURAY_ASPECT_RATIO_4_3:
            title->container_dar.num = 4;
            title->container_dar.den = 3;
            break;
        case BLURAY_ASPECT_RATIO_16_9:
            title->container_dar.num = 16;
            title->container_dar.den = 9;
            break;
        default:
            hb_log( "bd: unknown aspect" );
            goto fail;
    }
    hb_log("bd: aspect = %d:%d",
           title->container_dar.num, title->container_dar.den);

    /* Detect audio */
    // Max primary BD audios is 32
    int matches;
    int most_audio = 0;
    int audio_clip_index = 0;
    if (ti->clip_count > 2)
    {
        // All BD clips are not all required to have the same audio.
        // But clips that have seamless transition are required
        // to have the same audio as the previous clip.
        // So find the clip that has the most other clips with the 
        // matching audio.
        for ( ii = 0; ii < ti->clip_count; ii++ )
        {
            matches = 0;
            for ( jj = 0; jj < ti->clip_count; jj++ )
            {
                if ( bd_audio_equal( &ti->clips[ii], &ti->clips[jj] ) )
                {
                    matches++;
                }
            }
            if ( matches > most_audio )
            {
                most_audio = matches;
                audio_clip_index = ii;
            }
        }
    }
    else if (ti->clip_count == 2)
    {
        // If there are only 2 clips, pick audios from the longer clip
        if (ti->clips[0].pkt_count < ti->clips[1].pkt_count)
            audio_clip_index = 1;
    }

    // Add all the audios found in the above clip.
    for (ii = 0; ii < ti->clips[audio_clip_index].audio_stream_count; ii++)
    {
        BLURAY_STREAM_INFO * bdaudio;

        bdaudio = &ti->clips[audio_clip_index].audio_streams[ii];

        switch (bdaudio->coding_type)
        {
            case BLURAY_STREAM_TYPE_AUDIO_TRUHD:
                // Add 2 audio tracks.  One for TrueHD and one for AC-3
                add_audio(ii, title->list_audio, bdaudio, HB_SUBSTREAM_BD_AC3,
                          HB_ACODEC_AC3, AV_CODEC_ID_AC3);
                add_audio(ii, title->list_audio, bdaudio, HB_SUBSTREAM_BD_TRUEHD,
                          HB_ACODEC_FFTRUEHD, AV_CODEC_ID_TRUEHD);
                break;

            case BLURAY_STREAM_TYPE_AUDIO_DTS:
                add_audio(ii, title->list_audio, bdaudio, 0,
                          HB_ACODEC_DCA, AV_CODEC_ID_DTS);
                break;

            case BLURAY_STREAM_TYPE_AUDIO_MPEG2:
            case BLURAY_STREAM_TYPE_AUDIO_MPEG1:
                add_audio(ii, title->list_audio, bdaudio, 0,
                          HB_ACODEC_FFMPEG, AV_CODEC_ID_MP2);
                break;

            case BLURAY_STREAM_TYPE_AUDIO_AC3PLUS:
                add_audio(ii, title->list_audio, bdaudio, 0,
                          HB_ACODEC_FFEAC3, AV_CODEC_ID_EAC3);
                break;

            case BLURAY_STREAM_TYPE_AUDIO_LPCM:
                add_audio(ii, title->list_audio, bdaudio, 0,
                          HB_ACODEC_FFMPEG, AV_CODEC_ID_PCM_BLURAY);
                break;

            case BLURAY_STREAM_TYPE_AUDIO_AC3:
                add_audio(ii, title->list_audio, bdaudio, 0,
                          HB_ACODEC_AC3, AV_CODEC_ID_AC3);
                break;

            case BLURAY_STREAM_TYPE_AUDIO_DTSHD_MASTER:
            case BLURAY_STREAM_TYPE_AUDIO_DTSHD:
                // Add 2 audio tracks.  One for DTS-HD and one for DTS
                add_audio(ii, title->list_audio, bdaudio, HB_SUBSTREAM_BD_DTS,
                          HB_ACODEC_DCA, AV_CODEC_ID_DTS);
                // DTS-HD is special.  The substreams must be concatinated
                // DTS-core followed by DTS-hd-extensions.  Setting
                // a substream id of 0 says use all substreams.
                add_audio(ii, title->list_audio, bdaudio, 0,
                          HB_ACODEC_DCA_HD, AV_CODEC_ID_DTS);
                break;

            default:
                hb_log("scan: unknown audio pid 0x%x codec 0x%x", bdaudio->pid,
                       bdaudio->coding_type);
                break;
        }
    }

    // Add all the subtitles found in the above clip.
    for ( ii = 0; ii < ti->clips[audio_clip_index].pg_stream_count; ii++ )
    {
        BLURAY_STREAM_INFO * bdpgs;

        bdpgs = &ti->clips[audio_clip_index].pg_streams[ii];

        switch( bdpgs->coding_type )
        {
            case BLURAY_STREAM_TYPE_SUB_PG:
                add_subtitle(ii, title->list_subtitle, bdpgs, WORK_DECPGSSUB);
                break;
            default:
                hb_log( "scan: unknown subtitle pid 0x%x codec 0x%x",
                        bdpgs->pid, bdpgs->coding_type );
                break;
        }
    }

    /* Chapters */
    for ( ii = 0, jj = 0; ii < ti->chapter_count; ii++ )
    {
        char chapter_title[80];

        // Sanity check start time of this chapter.
        // If it is beyond the end of the title, drop it.
        if (ti->chapters[ii].start > ti->duration)
        {
            hb_log("bd: chapter %d invalid start %"PRIu64", dropping", ii+1,
                   ti->chapters[ii].start);
            continue;
        }

        chapter = calloc( sizeof( hb_chapter_t ), 1 );

        chapter->index = ++jj;
        sprintf( chapter_title, "Chapter %d", chapter->index );
        hb_chapter_set_title( chapter, chapter_title );

        chapter->duration = ti->chapters[ii].duration;
        chapter->block_start = ti->chapters[ii].offset;

        // Sanity check chapter duration and start times
        // Have seen some invalid durations in the wild
        if (ii < ti->chapter_count - 1)
        {
            // Validate start time
            if (ti->chapters[ii+1].start < ti->chapters[ii].start)
            {
                hb_log("bd: chapter %d invalid start %"PRIu64"", ii+1,
                       ti->chapters[ii+1].start);
                ti->chapters[ii+1].start = ti->chapters[ii].start +
                                           chapter->duration;
            }
            if (ti->chapters[ii+1].start - ti->chapters[ii].start !=
                chapter->duration)
            {
                hb_log("bd: chapter %d invalid duration %"PRIu64"", ii+1,
                       chapter->duration);
                chapter->duration = ti->chapters[ii+1].start -
                                    ti->chapters[ii].start;
            }
        }
        else
        {
            if (ti->duration - ti->chapters[ii].start != chapter->duration)
            {
                hb_log("bd: chapter %d invalid duration %"PRIu64"", ii+1,
                       chapter->duration);
                chapter->duration = ti->duration - ti->chapters[ii].start;
            }
        }

        int seconds      = ( chapter->duration + 45000 ) / 90000;
        chapter->hours   = ( seconds / 3600 );
        chapter->minutes = ( seconds % 3600 ) / 60;
        chapter->seconds = ( seconds % 60 );

        hb_log( "bd: chap %d packet=%"PRIu64", %"PRIu64" ms",
                chapter->index,
                chapter->block_start,
                chapter->duration / 90 );

        hb_list_add( title->list_chapter, chapter );
    }
    hb_log( "bd: title %d has %d chapters", tt, ti->chapter_count );

    /* This title is ok so far */
    goto cleanup;

fail:
    hb_title_close( &title );

cleanup:

    return title;
}
Example #3
0
int main(int argc, char *argv[])
{
  double        fps, k;
  int           i, width, height, len;
  CvCapture     *in;
  CvVideoWriter *out;
  IplImage      *bufimg;

  if (argc != 3)
    {
      ERROR("Usage: interpolation source destination");
      return EXIT_FAILURE;
    }

  in = cvCaptureFromFile(argv[1]);
  if (!in)
    {
      ERROR("Failed to open for reading '%s'", argv[1]);
      return EXIT_FAILURE;
    }

  fps = cvGetCaptureProperty(in, CV_CAP_PROP_FPS);
  if (fps > TARGET)
    {
      ERROR("Video already has a framerate of %.2f (target was %.2f)",
            fps, TARGET);
      return EXIT_FAILURE;
    }

  width = cvGetCaptureProperty(in, CV_CAP_PROP_FRAME_WIDTH);
  height = cvGetCaptureProperty(in, CV_CAP_PROP_FRAME_HEIGHT);
  len = cvGetCaptureProperty(in, CV_CAP_PROP_FRAME_COUNT);

  out = cvCreateVideoWriter(TMPFILE, CODEC, TARGET, cvSize(width, height), 1);
  if (!out)
    {
      ERROR("Failed to open for writing '%s'", TMPFILE);
      return EXIT_FAILURE;
    }

  k = TARGET / fps;
  bufimg = cvQueryFrame(in);
  for (i = 1; i < len; ++i)
    {
      IplImage *img;

      img = cvCloneImage(bufimg);
      bufimg = cvQueryFrame(in);
      progressbar(100 * i / len);

      if (interpolate(k, out, img, bufimg))
        return EXIT_FAILURE;

      cvReleaseImage(&img);
    }
  cvWriteFrame(out, bufimg);
  progressbar(0);

  cvReleaseVideoWriter(&out);
  cvReleaseCapture(&in);

  if (add_audio(argv[1], argv[2]))
    return EXIT_FAILURE;

  return EXIT_SUCCESS;
}