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[fd/ffmpeg] Limit read rate for DASH livestreams (#14918)

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Authored by: bashonly
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bashonly
2025-11-05 17:06:33 -06:00
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parent a56217f9f6
commit 7af6d81f35
1 changed files with 7 additions and 0 deletions
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7
yt_dlp/downloader/external.py
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@@ -560,6 +560,13 @@ class FFmpegFD(ExternalFD):
elif isinstance(conn, str): elif isinstance(conn, str):
args += ['-rtmp_conn', conn] args += ['-rtmp_conn', conn]
elif protocol == 'http_dash_segments' and info_dict.get('is_live'):
# ffmpeg may try to read past the latest available segments for
# live DASH streams unless we pass `-re`. In modern ffmpeg, this
# is an alias of `-readrate 1`, but `-readrate` was not added
# until ffmpeg 5.0, so we must stick to using `-re`
args += ['-re']
url = fmt['url'] url = fmt['url']
if self.params.get('enable_file_urls') and url.startswith('file:'): if self.params.get('enable_file_urls') and url.startswith('file:'):
# The default protocol_whitelist is 'file,crypto,data' when reading local m3u8 URLs, # The default protocol_whitelist is 'file,crypto,data' when reading local m3u8 URLs,