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Better scalling handling

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This commit is contained in:
Zoe Roux 2024-02-23 15:27:47 +00:00
parent 25901cef45
commit f4980cefde
1 changed files with 6 additions and 2 deletions
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8
transcoder/src/hwaccel.go
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@ -21,7 +21,9 @@ func DetectHardwareAccel() HwAccelT {
"-c:v", "h264_nvenc",
"-preset", "fast",
},
ScaleFilter: "hwupload_cuda,scale_cuda=%d:%d:force_original_aspect_ratio=decrease",
// if the decode goes into system memory, we need to prepend the filters with "hwupload_cuda".
// since we use hwaccel_output_format, decoded data stays in gpu memory so we must not specify it (it errors)
ScaleFilter: "scale_cuda=%d:%d",
}
default:
return HwAccelT{
@ -32,7 +34,9 @@ func DetectHardwareAccel() HwAccelT {
// superfast or ultrafast would produce a file extremly big so we prever veryfast or faster.
"-preset", "faster",
},
ScaleFilter: "scale=%d:%d:force_original_aspect_ratio=decrease",
// we could put :force_original_aspect_ratio=decrease:force_divisible_by=2 here but we already calculate a correct width and
// aspect ratio in our code so there is no need.
ScaleFilter: "scale=%d:%d",
}
}
}