void CDVDVideoCodecAmlogic::FrameRateTracking(uint8_t *pData, int iSize, double dts, double pts)
{
// mpeg2 handling
if (m_mpeg2_sequence)
{
// probe demux for sequence_header_code NAL and
// decode aspect ratio and frame rate.
if (CBitstreamConverter::mpeg2_sequence_header(pData, iSize, m_mpeg2_sequence))
{
m_mpeg2_sequence_pts = pts;
if (m_mpeg2_sequence_pts == DVD_NOPTS_VALUE)
m_mpeg2_sequence_pts = dts;
m_framerate = m_mpeg2_sequence->rate;
m_video_rate = (int)(0.5 + (96000.0 / m_framerate));
CLog::Log(LOGDEBUG, "%s: detected mpeg2 aspect ratio(%f), framerate(%f), video_rate(%d)",
__MODULE_NAME__, m_mpeg2_sequence->ratio, m_framerate, m_video_rate);
// update m_hints for 1st frame fixup.
switch(m_mpeg2_sequence->rate_info)
{
default:
case 0x01:
m_hints.fpsrate = 24000.0;
m_hints.fpsscale = 1001.0;
break;
case 0x02:
m_hints.fpsrate = 24000.0;
m_hints.fpsscale = 1000.0;
break;
case 0x03:
m_hints.fpsrate = 25000.0;
m_hints.fpsscale = 1000.0;
break;
case 0x04:
m_hints.fpsrate = 30000.0;
m_hints.fpsscale = 1001.0;
break;
case 0x05:
m_hints.fpsrate = 30000.0;
m_hints.fpsscale = 1000.0;
break;
case 0x06:
m_hints.fpsrate = 50000.0;
m_hints.fpsscale = 1000.0;
break;
case 0x07:
m_hints.fpsrate = 60000.0;
m_hints.fpsscale = 1001.0;
break;
case 0x08:
m_hints.fpsrate = 60000.0;
m_hints.fpsscale = 1000.0;
break;
}
m_hints.width = m_mpeg2_sequence->width;
m_hints.height = m_mpeg2_sequence->height;
m_hints.aspect = m_mpeg2_sequence->ratio;
}
return;
}
// everything else
FrameQueuePush(dts, pts);
// we might have out-of-order pts,
// so make sure we wait for at least 8 values in sorted queue.
if (m_queue_depth > 16)
{
pthread_mutex_lock(&m_queue_mutex);
float cur_pts = m_frame_queue->pts;
if (cur_pts == DVD_NOPTS_VALUE)
cur_pts = m_frame_queue->dts;
pthread_mutex_unlock(&m_queue_mutex);
float duration = cur_pts - m_last_pts;
m_last_pts = cur_pts;
// clamp duration to sensible range,
// 66 fsp to 20 fsp
if (duration >= 15000.0 && duration <= 50000.0)
{
double framerate;
switch((int)(0.5 + duration))
{
// 59.940 (16683.333333)
case 16000 ... 17000:
framerate = 60000.0 / 1001.0;
break;
// 50.000 (20000.000000)
case 20000:
framerate = 50000.0 / 1000.0;
break;
// 49.950 (20020.000000)
case 20020:
framerate = 50000.0 / 1001.0;
break;
// 29.970 (33366.666656)
case 32000 ... 35000:
framerate = 30000.0 / 1001.0;
break;
// 25.000 (40000.000000)
case 40000:
framerate = 25000.0 / 1000.0;
break;
// 24.975 (40040.000000)
case 40040:
framerate = 25000.0 / 1001.0;
break;
/*
// 24.000 (41666.666666)
case 41667:
framerate = 24000.0 / 1000.0;
break;
*/
// 23.976 (41708.33333)
case 40200 ... 43200:
// 23.976 seems to have the crappiest encodings :)
framerate = 24000.0 / 1001.0;
break;
default:
framerate = 0.0;
//CLog::Log(LOGDEBUG, "%s: unknown duration(%f), cur_pts(%f)",
// __MODULE_NAME__, duration, cur_pts);
break;
}
if (framerate > 0.0 && (int)m_framerate != (int)framerate)
{
m_framerate = framerate;
m_video_rate = (int)(0.5 + (96000.0 / framerate));
CLog::Log(LOGDEBUG, "%s: detected new framerate(%f), video_rate(%d)",
__MODULE_NAME__, m_framerate, m_video_rate);
}
}
void CDVDVideoCodecAmlogic::FrameRateTracking(BYTE *pData, int iSize, double dts, double pts)
{
FrameQueuePush(dts, pts);
if (m_mpeg2_aspect)
{
// if mpeg2, probe demux data for aspect_ratio_information
// in the sequence_header_code.
if (CBitstreamConverter::mpeg2_aspect_ratio_information(pData, iSize, m_mpeg2_aspect))
{
m_mpeg2_aspect_pts = pts;
if (m_mpeg2_aspect_pts == DVD_NOPTS_VALUE)
m_mpeg2_aspect_pts = dts;
CLog::Log(LOGDEBUG, "%s: detected new aspect ratio(%f)", __MODULE_NAME__, m_mpeg2_aspect->ratio);
}
}
// we might have out-of-order pts,
// so make sure we wait for at least 8 values in sorted queue.
if (m_queue_depth > 16)
{
pthread_mutex_lock(&m_queue_mutex);
float cur_pts = m_frame_queue->pts;
if (cur_pts == DVD_NOPTS_VALUE)
cur_pts = m_frame_queue->dts;
pthread_mutex_unlock(&m_queue_mutex);
float duration = cur_pts - m_last_pts;
m_last_pts = cur_pts;
// clamp duration to sensible range,
// 66 fsp to 20 fsp
if (duration >= 15000.0 && duration <= 50000.0)
{
double framerate;
switch((int)(0.5 + duration))
{
// 59.940 (16683.333333)
case 16000 ... 17000:
framerate = 60000.0 / 1001.0;
break;
// 50.000 (20000.000000)
case 20000:
framerate = 50000.0 / 1000.0;
break;
// 49.950 (20020.000000)
case 20020:
framerate = 50000.0 / 1001.0;
break;
// 29.970 (33366.666656)
case 32000 ... 35000:
framerate = 30000.0 / 1001.0;
break;
// 25.000 (40000.000000)
case 40000:
framerate = 25000.0 / 1000.0;
break;
// 24.975 (40040.000000)
case 40040:
framerate = 25000.0 / 1001.0;
break;
/*
// 24.000 (41666.666666)
case 41667:
framerate = 24000.0 / 1000.0;
break;
*/
// 23.976 (41708.33333)
case 40200 ... 43200:
// 23.976 seems to have the crappiest encodings :)
framerate = 24000.0 / 1001.0;
break;
default:
framerate = 0.0;
//CLog::Log(LOGDEBUG, "%s: unknown duration(%f), cur_pts(%f)",
// __MODULE_NAME__, duration, cur_pts);
break;
}
if (framerate > 0.0 && (int)m_framerate != (int)framerate)
{
m_framerate = framerate;
m_video_rate = (int)(0.5 + (96000.0 / framerate));
CLog::Log(LOGDEBUG, "%s: detected new framerate(%f), video_rate(%d)",
__MODULE_NAME__, m_framerate, m_video_rate);
}
}
