bool CDVDVideoCodecVDA::GetPicture(DVDVideoPicture* pDvdVideoPicture)
{
CCocoaAutoPool pool;
FourCharCode pixel_buffer_format;
CVPixelBufferRef picture_buffer_ref;
// clone the video picture buffer settings.
*pDvdVideoPicture = m_videobuffer;
// get the top yuv frame, we risk getting the wrong frame if the frame queue
// depth is less than the number of encoded reference frames. If queue depth
// is greater than the number of encoded reference frames, then the top frame
// will never change and we can just grab a ref to the top frame. This way
// we don't lockout the vdadecoder while doing color format convert.
pthread_mutex_lock(&m_queue_mutex);
picture_buffer_ref = m_display_queue->pixel_buffer_ref;
pixel_buffer_format = m_display_queue->pixel_buffer_format;
pDvdVideoPicture->dts = m_display_queue->dts;
pDvdVideoPicture->pts = m_display_queue->pts;
pthread_mutex_unlock(&m_queue_mutex);
// lock the CVPixelBuffer down
CVPixelBufferLockBaseAddress(picture_buffer_ref, 0);
int row_stride = CVPixelBufferGetBytesPerRowOfPlane(picture_buffer_ref, 0);
uint8_t *base_ptr = (uint8_t*)CVPixelBufferGetBaseAddressOfPlane(picture_buffer_ref, 0);
if (base_ptr)
{
if (pixel_buffer_format == kCVPixelFormatType_422YpCbCr8)
UYVY422_to_YUV420P(base_ptr, row_stride, pDvdVideoPicture);
else if (pixel_buffer_format == kCVPixelFormatType_32BGRA)
BGRA_to_YUV420P(base_ptr, row_stride, pDvdVideoPicture);
}
// unlock the CVPixelBuffer
CVPixelBufferUnlockBaseAddress(picture_buffer_ref, 0);
// now we can pop the top frame.
DisplayQueuePop();
//CLog::Log(LOGNOTICE, "%s - VDADecoderDecode dts(%f), pts(%f)", __FUNCTION__,
// pDvdVideoPicture->dts, pDvdVideoPicture->pts);
return VC_PICTURE | VC_BUFFER;
}
bool CDVDVideoCodecVDA::GetPicture(DVDVideoPicture* pDvdVideoPicture)
{
// get the top yuv frame, we risk getting the wrong frame if the frame queue
// depth is less than the number of encoded reference frames. If queue depth
// is greater than the number of encoded reference frames, then the top frame
// will never change and we can just grab a ref to the top frame.
if (m_use_cvBufferRef)
{
pthread_mutex_lock(&m_queue_mutex);
pDvdVideoPicture->dts = m_display_queue->dts;
pDvdVideoPicture->pts = m_display_queue->pts;
pDvdVideoPicture->cvBufferRef = m_display_queue->pixel_buffer_ref;
m_display_queue->pixel_buffer_ref = NULL;
pthread_mutex_unlock(&m_queue_mutex);
pDvdVideoPicture->format = RENDER_FMT_CVBREF;
pDvdVideoPicture->iFlags = DVP_FLAG_ALLOCATED;
pDvdVideoPicture->color_range = 0;
pDvdVideoPicture->color_matrix = 4;
pDvdVideoPicture->iWidth = CVPixelBufferGetWidth(pDvdVideoPicture->cvBufferRef);
pDvdVideoPicture->iHeight = CVPixelBufferGetHeight(pDvdVideoPicture->cvBufferRef);
pDvdVideoPicture->iDisplayWidth = pDvdVideoPicture->iWidth;
pDvdVideoPicture->iDisplayHeight = pDvdVideoPicture->iHeight;
}
else
{
FourCharCode pixel_buffer_format;
CVPixelBufferRef picture_buffer_ref;
// clone the video picture buffer settings.
*pDvdVideoPicture = m_videobuffer;
// get the top yuv frame, we risk getting the wrong frame if the frame queue
// depth is less than the number of encoded reference frames. If queue depth
// is greater than the number of encoded reference frames, then the top frame
// will never change and we can just grab a ref to the top frame. This way
// we don't lockout the vdadecoder while doing color format convert.
pthread_mutex_lock(&m_queue_mutex);
picture_buffer_ref = m_display_queue->pixel_buffer_ref;
pixel_buffer_format = m_display_queue->pixel_buffer_format;
pDvdVideoPicture->dts = m_display_queue->dts;
pDvdVideoPicture->pts = m_display_queue->pts;
pthread_mutex_unlock(&m_queue_mutex);
// lock the CVPixelBuffer down
CVPixelBufferLockBaseAddress(picture_buffer_ref, 0);
int row_stride = CVPixelBufferGetBytesPerRowOfPlane(picture_buffer_ref, 0);
uint8_t *base_ptr = (uint8_t*)CVPixelBufferGetBaseAddressOfPlane(picture_buffer_ref, 0);
if (base_ptr)
{
if (pixel_buffer_format == kCVPixelFormatType_422YpCbCr8)
UYVY422_to_YUV420P(base_ptr, row_stride, pDvdVideoPicture);
else if (pixel_buffer_format == kCVPixelFormatType_32BGRA)
BGRA_to_YUV420P(base_ptr, row_stride, pDvdVideoPicture);
}
// unlock the CVPixelBuffer
CVPixelBufferUnlockBaseAddress(picture_buffer_ref, 0);
}
// now we can pop the top frame.
DisplayQueuePop();
//CLog::Log(LOGNOTICE, "%s - VDADecoderDecode dts(%f), pts(%f)", __FUNCTION__,
// pDvdVideoPicture->dts, pDvdVideoPicture->pts);
return true;
}
