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Fix lags for Intel HW transcoding

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This commit is contained in:
Alexey Khit
2022-12-18 21:33:38 +03:00
parent 097fdfbbb8
commit 4df44645d7
1 changed files with 9 additions and 8 deletions
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17
cmd/ffmpeg/ffmpeg.go
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@@ -70,13 +70,14 @@ var defaults = map[string]string{
// hardware Intel and AMD on Linux
// better not to set `-async_depth:v 1` like for QSV, because framedrops
"h264/vaapi": "-c:v h264_vaapi -profile:v high -level:v 4.1 -sei:v 0",
"h265/vaapi": "-c:v hevc_vaapi -profile:v high -level:v 5.1 -sei:v 0",
// `-bf 0` - disable B-frames is very important
"h264/vaapi": "-c:v h264_vaapi -g 50 -bf 0 -profile:v high -level:v 4.1 -sei:v 0",
"h265/vaapi": "-c:v hevc_vaapi -g 50 -bf 0 -profile:v high -level:v 5.1 -sei:v 0",
"mjpeg/vaapi": "-c:v mjpeg_vaapi",
// hardware Raspberry
"h264/v4l2m2m": "-c:v h264_v4l2m2m",
"h265/v4l2m2m": "-c:v hevc_v4l2m2m",
"h264/v4l2m2m": "-c:v h264_v4l2m2m -g 50 -bf 0",
"h265/v4l2m2m": "-c:v hevc_v4l2m2m -g 50 -bf 0",
// hardware NVidia on Linux and Windows
// preset=p2 - faster, tune=ll - low latency
@@ -84,13 +85,13 @@ var defaults = map[string]string{
"h265/cuda": "-c:v hevc_nvenc -g 50 -profile:v high -level:v auto",
// hardware Intel on Windows
"h264/dxva2": "-c:v h264_qsv -profile:v high -level:v 4.1 -async_depth:v 1",
"h265/dxva2": "-c:v hevc_qsv -profile:v high -level:v 5.1 -async_depth:v 1",
"h264/dxva2": "-c:v h264_qsv -g 50 -bf 0 -profile:v high -level:v 4.1 -async_depth:v 1",
"h265/dxva2": "-c:v hevc_qsv -g 50 -bf 0 -profile:v high -level:v 5.1 -async_depth:v 1",
"mjpeg/dxva2": "-c:v mjpeg_qsv -profile:v high -level:v 5.1",
// hardware macOS
"h264/videotoolbox": "-c:v h264_videotoolbox -profile:v high -level:v 4.1",
"h265/videotoolbox": "-c:v hevc_videotoolbox -profile:v high -level:v 5.1",
"h264/videotoolbox": "-c:v h264_videotoolbox -g 50 -bf 0 -profile:v high -level:v 4.1",
"h265/videotoolbox": "-c:v hevc_videotoolbox -g 50 -bf 0 -profile:v high -level:v 5.1",
}
func parseArgs(s string) *Args {