Fix lossless encoder bug

components/codecs/src/nvidia_decoder.cpp

@@ -184,7 +184,7 @@ bool NvidiaDecoder::decode(const ftl::codecs::Packet &pkt, cv::cuda::GpuMat &out
 	// OpenCV GpuMat for YCbCr 4:2:0
 	cv::cuda::GpuMat surface;
 	if (is_float_frame && !islossless) surface = cv::cuda::GpuMat(height_+height_/2, width_, CV_16U, decodedPtr, width_*2);
-	else if (is_float_frame && islossless) surface = cv::cuda::GpuMat(height_+height_/2, width_*2, CV_8U, decodedPtr, width_*2);
+	else if (is_float_frame && islossless) surface = cv::cuda::GpuMat(height_+height_/2, width_, CV_8U, decodedPtr, width_);
 	else surface = cv::cuda::GpuMat(height_+height_/2, width_, CV_8U, decodedPtr, width_);
 
 	auto cvstream = cv::cuda::StreamAccessor::wrapStream(stream_);
@@ -196,7 +196,7 @@ bool NvidiaDecoder::decode(const ftl::codecs::Packet &pkt, cv::cuda::GpuMat &out
 
 			ftl::cuda::vuya_to_depth(out, sroi, csroi, 16.0f, cvstream);
 		} else {
-			ftl::cuda::nv12_to_float(decodedPtr, width_*2, (float*)out.data, out.step1(), width_, height_, stream_);
+			ftl::cuda::nv12_to_float(decodedPtr, width_, (float*)out.data, out.step1(), width_/2, height_, stream_);
 		}
 	} else {
 		// Flag 0x1 means frame is in RGB so needs conversion to BGR

components/codecs/src/nvidia_encoder.cpp

@@ -203,7 +203,7 @@ bool NvidiaEncoder::encode(const cv::cuda::GpuMat &in, ftl::codecs::Packet &pkt)
 	} else if (params_.isLossy()) {
 		ftl::cuda::depth_to_nv12_10(in, (ushort*)f->inputPtr, (ushort*)(((uchar*)f->inputPtr)+(nvenc_->GetEncodeHeight()*f->pitch)), f->pitch/2, 16.0f, stream_);
 	} else {
-		ftl::cuda::float_to_nv12_16bit((float*)in.data, in.step1(), (uchar*)f->inputPtr, f->pitch, nvenc_->GetEncodeWidth(), nvenc_->GetEncodeHeight(), cv::cuda::StreamAccessor::getStream(stream_));
+		ftl::cuda::float_to_nv12_16bit((float*)in.data, in.step1(), (uchar*)f->inputPtr, f->pitch, nvenc_->GetEncodeWidth()/2, nvenc_->GetEncodeHeight(), cv::cuda::StreamAccessor::getStream(stream_));
 	}
 
 	// TODO: Use page locked memory?