public H264(VideoDevice device)
{
this.device = device;
// Pi4 only supports two:
// "H.264", H264
// "Motion-JPEG", MJPEG
sImageFormatDescription formatDesc = device.enumerateFormats(inputBufferType)
.first(i => i.pixelFormat == inputPixelFormat, "h.264 decoder requires a hardware capable of decoding h.264. The provided video device can’t do that.");
// Logger.logVerbose( "Compressed format: {0}", formatDesc );
inputFormat = new sImageFormat(ref formatDesc);
// We gonna be using NV12, but generally speaking Pi4 supports following:
// "Planar YUV 4:2:0", YUV420
// "Planar YVU 4:2:0", YVU420
// "Y/CbCr 4:2:0", NV12
// "Y/CrCb 4:2:0", NV21
// "16-bit RGB 5-6-5", RGB565
formatDesc = device.enumerateFormats(outputBufferType)
.first(i => i.pixelFormat == outputPixelFormat, "h.264 decoder requires a hardware capable of decoding h.264 into NV12. The provided video device can’t do that.");
outputFormat = new sImageFormat(ref formatDesc);
inputSize = SizeSupported.query(device, inputPixelFormat);
outputSize = SizeSupported.query(device, outputPixelFormat);
}
void dbgPrintEncodedFormats()
{
Logger.logVerbose("Video output formats:");
foreach (var f in device.enumerateFormats(eBufferType.VideoOutputMPlane))
{
Logger.logVerbose("{0}", f);
}
}