Deprioritize HEVC-over-FLV formats (#5823)

Authored by: Lesmiscore
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Lesmiscore 2022-12-19 11:36:14 +09:00 committed by GitHub
parent c733555106
commit 5424dbaf91
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@ -6307,6 +6307,12 @@ def calculate_preference(self, format):
# if format.get('preference') is None and format.get('ext') in ('f4f', 'f4m'): # Not supported?
# format['preference'] = -1000
if format.get('preference') is None and format.get('ext') == 'flv' and re.match('[hx]265|he?vc?', format.get('vcodec') or ''):
# HEVC-over-FLV is out-of-spec by FLV's original spec
# ref. https://trac.ffmpeg.org/ticket/6389
# ref. https://github.com/yt-dlp/yt-dlp/pull/5821
format['preference'] = -100
# Determine missing bitrates
if format.get('tbr') is None:
if format.get('vbr') is not None and format.get('abr') is not None: