2.4.14 Video Frame Conversion

The DeckLink API provides SIMD accelerated conversions operations for converting the pixel format of a video frame. An application performing pixel format conversion should perform the following steps.

Converting into an existing destination frame:

• If the DeckLink device has an output interface, the destination video frame can be created with IDeckLinkOutput::CreateVideoFrame() or IDeckLinkOutput::CreateVideoFrameWithBuffer().

• Get an instance of the IDeckLinkVideoConversion object interface by calling CoCreateInstance with CLSID_CDeckLinkVideoConversion (Windows) or CreateVideoConversionInstance (macOS and Linux).

• Call IDeckLinkVideoConversion::ConvertFrame() with the source and destination video frames.

Converting into a new destination frame:

• Get an instance of the IDeckLinkVideoConversion object interface by calling CoCreateInstance with CLSID_CDeckLinkVideoConversion (Windows) or CreateVideoConversionInstance (macOS and Linux).

• Call IDeckLinkVideoConversion::ConvertNewFrame() with the destination pixel format (BMDPixelFormat) and colorspace (BMDColorspace). An application has the option to provide a custom buffer by providing an implemented IDeckLinkVideoBuffer.