mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2025-06-28 22:00:47 -07:00
Move solution and projects to src
This commit is contained in:
57
src/Ryujinx.Graphics.Nvdec/H264Decoder.cs
Normal file
57
src/Ryujinx.Graphics.Nvdec/H264Decoder.cs
Normal file
@ -0,0 +1,57 @@
|
||||
using Ryujinx.Graphics.Nvdec.FFmpeg.H264;
|
||||
using Ryujinx.Graphics.Nvdec.Image;
|
||||
using Ryujinx.Graphics.Nvdec.Types.H264;
|
||||
using Ryujinx.Graphics.Video;
|
||||
using System;
|
||||
|
||||
namespace Ryujinx.Graphics.Nvdec
|
||||
{
|
||||
static class H264Decoder
|
||||
{
|
||||
private const int MbSizeInPixels = 16;
|
||||
|
||||
public static void Decode(NvdecDecoderContext context, ResourceManager rm, ref NvdecRegisters state)
|
||||
{
|
||||
PictureInfo pictureInfo = rm.Gmm.DeviceRead<PictureInfo>(state.SetDrvPicSetupOffset);
|
||||
H264PictureInfo info = pictureInfo.Convert();
|
||||
|
||||
ReadOnlySpan<byte> bitstream = rm.Gmm.DeviceGetSpan(state.SetInBufBaseOffset, (int)pictureInfo.BitstreamSize);
|
||||
|
||||
int width = (int)pictureInfo.PicWidthInMbs * MbSizeInPixels;
|
||||
int height = (int)pictureInfo.PicHeightInMbs * MbSizeInPixels;
|
||||
|
||||
int surfaceIndex = (int)pictureInfo.OutputSurfaceIndex;
|
||||
|
||||
uint lumaOffset = state.SetPictureLumaOffset[surfaceIndex];
|
||||
uint chromaOffset = state.SetPictureChromaOffset[surfaceIndex];
|
||||
|
||||
Decoder decoder = context.GetH264Decoder();
|
||||
|
||||
ISurface outputSurface = rm.Cache.Get(decoder, 0, 0, width, height);
|
||||
|
||||
if (decoder.Decode(ref info, outputSurface, bitstream))
|
||||
{
|
||||
if (outputSurface.Field == FrameField.Progressive)
|
||||
{
|
||||
SurfaceWriter.Write(
|
||||
rm.Gmm,
|
||||
outputSurface,
|
||||
lumaOffset + pictureInfo.LumaFrameOffset,
|
||||
chromaOffset + pictureInfo.ChromaFrameOffset);
|
||||
}
|
||||
else
|
||||
{
|
||||
SurfaceWriter.WriteInterlaced(
|
||||
rm.Gmm,
|
||||
outputSurface,
|
||||
lumaOffset + pictureInfo.LumaTopFieldOffset,
|
||||
chromaOffset + pictureInfo.ChromaTopFieldOffset,
|
||||
lumaOffset + pictureInfo.LumaBottomFieldOffset,
|
||||
chromaOffset + pictureInfo.ChromaBottomFieldOffset);
|
||||
}
|
||||
}
|
||||
|
||||
rm.Cache.Put(outputSurface);
|
||||
}
|
||||
}
|
||||
}
|
Reference in New Issue
Block a user