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NVDEC (H264): Use separate contexts per channel and decode frames in DTS order (#2671)

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* Use separate NVDEC contexts per channel (for FFMPEG)

* Remove NVDEC -> VIC frame override hack

* Add missing bottom_field_pic_order_in_frame_present_flag

* Make FFMPEG logging static

* nit: Remove empty lines

* New FFMPEG decoding approach -- call h264_decode_frame directly, trim surface cache to reduce memory usage

* Fix case

* Silence warnings

* PR feedback

* Per-decoder rather than per-codec ownership of surfaces on the cache
This commit is contained in:
gdkchan 2021-09-28 19:43:40 -03:00 • committed by GitHub
parent 0d23504e30
commit f4f496cb48
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GPG key ID: 4AEE18F83AFDEB23
18 changed files with 358 additions and 200 deletions
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6
Ryujinx.Graphics.Nvdec/Vp9Decoder.cs
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@ -15,14 +15,14 @@ namespace Ryujinx.Graphics.Nvdec
{
private static Decoder _decoder = new Decoder();
public unsafe static void Decode(NvdecDevice device, ResourceManager rm, ref NvdecRegisters state)
public unsafe static void Decode(ResourceManager rm, ref NvdecRegisters state)
{
PictureInfo pictureInfo = rm.Gmm.DeviceRead<PictureInfo>(state.SetPictureInfoOffset);
EntropyProbs entropy = rm.Gmm.DeviceRead<EntropyProbs>(state.SetVp9EntropyProbsOffset);
ISurface Rent(uint lumaOffset, uint chromaOffset, FrameSize size)
{
return rm.Cache.Get(_decoder, CodecId.Vp9, lumaOffset, chromaOffset, size.Width, size.Height);
return rm.Cache.Get(_decoder, lumaOffset, chromaOffset, size.Width, size.Height);
}
ISurface lastSurface = Rent(state.SetSurfaceLumaOffset[0], state.SetSurfaceChromaOffset[0], pictureInfo.LastFrameSize);
@ -60,8 +60,6 @@ namespace Ryujinx.Graphics.Nvdec
if (_decoder.Decode(ref info, currentSurface, bitstream, mvsIn, mvsOut))
{
SurfaceWriter.Write(rm.Gmm, currentSurface, lumaOffset, chromaOffset);
device.OnFrameDecoded(CodecId.Vp9, lumaOffset, chromaOffset);
}
WriteBackwardUpdates(rm.Gmm, state.SetVp9BackwardUpdatesOffset, ref info.BackwardUpdateCounts);