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Lowering the VRAM usage on NVDEC decoder

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Nyanmisaka 2022-03-01 23:14:35 +08:00 committed by GitHub
parent 0a953aca8a
commit 4239f80c81
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1 changed files with 2 additions and 5 deletions
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7
MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
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@ -771,10 +771,6 @@ namespace MediaBrowser.Controller.MediaEncoding
args.Append(GetCudaDeviceArgs(0, CudaAlias))
.Append(GetFilterHwDeviceArgs(CudaAlias));
// workaround for "No decoder surfaces left" error,
// but will increase vram usage. https://trac.ffmpeg.org/ticket/7562
args.Append(" -extra_hw_frames 3");
}
else if (string.Equals(optHwaccelType, "amf", StringComparison.OrdinalIgnoreCase))
{
@ -4431,7 +4427,8 @@ namespace MediaBrowser.Controller.MediaEncoding
{
if (options.EnableEnhancedNvdecDecoder && isCudaSupported && isCodecAvailable)
{
return " -hwaccel cuda" + (outputHwSurface ? " -hwaccel_output_format cuda" : string.Empty) + (isAv1 ? " -c:v av1" : string.Empty);
// set -threads 1 to nvdec decoder explicitly since it doesn't implement threading support.
return " -hwaccel cuda" + (outputHwSurface ? " -hwaccel_output_format cuda" : string.Empty) + " -threads 1" + (isAv1 ? " -c:v av1" : string.Empty);
}
}