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Enable VAAPI decoding without hardware encoding

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Enable VAAPI command arguments to ffmpeg if VAAPI is selected, and
add the "hwdownload" filter if transcoding from VAAPI to software.
Also support transforming 10 bit colourspace to 8-bit, consistent
with other hardware encoding options, at least until client pixel
formats are configurable.
This commit is contained in:
Samantha Collard 2019-08-31 12:04:31 +10:00
parent a30876c3ff
commit a321ca5b39
1 changed files with 17 additions and 3 deletions
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20
MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
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@ -459,7 +459,7 @@ namespace MediaBrowser.Controller.MediaEncoding
if (state.IsVideoRequest)
{
if (GetVideoEncoder(state, encodingOptions).IndexOf("vaapi", StringComparison.OrdinalIgnoreCase) != -1)
if (string.Equals(encodingOptions.HardwareAccelerationType, "vaapi", StringComparison.OrdinalIgnoreCase))
{
var hasGraphicalSubs = state.SubtitleStream != null && !state.SubtitleStream.IsTextSubtitleStream && state.SubtitleDeliveryMethod == SubtitleDeliveryMethod.Encode;
var hwOutputFormat = "vaapi";
@ -1780,8 +1780,24 @@ namespace MediaBrowser.Controller.MediaEncoding
var request = state.BaseRequest;
var videoStream = state.VideoStream;
var filters = new List<string>();
// If we're hardware VAAPI decoding and software encoding, download frames from the decoder first
var hwType = options.HardwareAccelerationType ?? string.Empty;
if (string.Equals(hwType, "vaapi", StringComparison.OrdinalIgnoreCase) && !options.EnableHardwareEncoding )
{
filters.Add("hwdownload");
// If transcoding from 10 bit, transform colour spaces too
if ( !string.IsNullOrEmpty(videoStream.PixelFormat) && videoStream.PixelFormat.IndexOf( "p10", StringComparison.OrdinalIgnoreCase ) != -1
&& string.Equals(outputVideoCodec, "libx264", StringComparison.OrdinalIgnoreCase ) )
{
filters.Add("format=p010le");
filters.Add("format=nv12");
}
}
if (string.Equals(outputVideoCodec, "h264_vaapi", StringComparison.OrdinalIgnoreCase))
{
filters.Add("format=nv12|vaapi");
@ -1793,8 +1809,6 @@ namespace MediaBrowser.Controller.MediaEncoding
filters.Add(string.Format("deinterlace_vaapi"));
}
var videoStream = state.VideoStream;
if ((state.DeInterlace("h264", true) || state.DeInterlace("h265", true) || state.DeInterlace("hevc", true)) &&
!string.Equals(outputVideoCodec, "h264_vaapi", StringComparison.OrdinalIgnoreCase))
{