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feat: Do not use libaom options, prefer libsvt-av1 #146

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feat: Do not use libaom options, prefer libsvt-av1 #146

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19 changes: 0 additions & 19 deletions streamer/transcoder_node.py
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Original file line number Diff line number Diff line change
Expand Up @@ -284,25 +284,6 @@ def _encode_video(self, stream: VideoOutputStream, input: Input) -> List[str]:
# speeds up encoding, balancing against quality
'-speed', '2',
]
elif stream.codec == VideoCodec.AV1:
args += [
# According to graphs at https://bit.ly/2BmIVt6, this AV1 setting
# results in almost no reduction in quality (0.8%), but a significant
# boost in speed (20x).
'-cpu-used', '8',
# According to the wiki (https://trac.ffmpeg.org/wiki/Encode/AV1),
# this allows threaded encoding in AV1, which makes better use of CPU
# resources and speeds up encoding. This will be ignored by libaom
# before version 1.0.0-759-g90a15f4f2, and so there may be no benefit
# unless libaom and ffmpeg are built from source (as of Oct 2019).
'-row-mt', '1',
# According to the wiki (https://trac.ffmpeg.org/wiki/Encode/AV1),
# this allows for threaded _decoding_ in AV1, which will provide a
# smoother playback experience for the end user.
'-tiles', '2x2',
# AV1 is considered "experimental".
'-strict', 'experimental',
]

keyframe_interval = int(self._pipeline_config.segment_size *
input.frame_rate)
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