Ejemplos de av_stream_get_r_frame_rate en C++ (Cpp)

Ejemplo n.º 1

Archivo: FFmpegVideoDecoder.cpp Proyecto: Karlson2k/xbmc

double FFmpegVideoDecoder::getFramesPerSecond() const
{
#if defined(AVFORMAT_HAS_STREAM_GET_R_FRAME_RATE)
  return m_pFormatCtx ? av_q2d( av_stream_get_r_frame_rate( m_pFormatCtx->streams[ m_videoStream ] ) ) : 0.0;
#else
  return m_pFormatCtx ? av_q2d( m_pFormatCtx->streams[ m_videoStream ]->r_frame_rate ) : 0.0;
#endif
}

Ejemplo n.º 2

static void ff_set_framerate(ffst *ff) {
  AVStream *av_stream;
  av_stream = ff->pFormatCtx->streams[ff->videoStream];

  ff->framerate = 0;
  ff->tc.num = 0;
  ff->tc.den = 1;

#if LIBAVFORMAT_VERSION_INT < AV_VERSION_INT(55, 0, 100) // 9cf788eca8ba (merge a75f01d7e0)
  {
    AVRational fr = av_stream->r_frame_rate;
    if (fr.den > 0 && fr.num > 0) {
      ff->framerate = av_q2d (av_stream->r_frame_rate);
      ff->tc.num = fr.num;
      ff->tc.den = fr.den;
    }
  }
#else
  {
    AVRational fr = av_stream_get_r_frame_rate (av_stream);
    if (fr.den > 0 && fr.num > 0) {
      ff->framerate = av_q2d (fr);
      ff->tc.num = fr.num;
      ff->tc.den = fr.den;
    }
  }
#endif
  if (ff->framerate < 1 || ff->framerate > 1000) {
    AVRational fr = av_stream->avg_frame_rate;
    if (fr.den > 0 && fr.num > 0) {
      ff->framerate = av_q2d (fr);
      ff->tc.num = fr.num;
      ff->tc.den = fr.den;
    }
  }
  if (ff->framerate < 1 || ff->framerate > 1000) {
    AVRational fr = av_stream->time_base;
    if (fr.den > 0 && fr.num > 0) {
      ff->framerate = 1.0 / av_q2d (fr);
      ff->tc.num = fr.den;
      ff->tc.den = fr.num;
    }
  }
  if (ff->framerate < 1 || ff->framerate > 1000) {
    if (!want_quiet)
      fprintf(stderr, "WARNING: cannot determine video-frame rate, using 25fps.\n");
    ff->framerate = 25;
    ff->tc.num = 25;
    ff->tc.den = 1;
  }

  ff->tc.drop = 0;
  if (floor(ff->framerate * 100.0) == 2997)
    ff->tc.drop = 1;
}