[FFmpeg-trac] #10352(undetermined:new): often -hls_time is just ignored and only one m4s segment file is created for lossless hls streams using fmp4 segment type
FFmpeg
trac at avcodec.org
Tue May 9 19:33:44 EEST 2023
#10352: often -hls_time is just ignored and only one m4s segment file is created
for lossless hls streams using fmp4 segment type
-------------------------------------+-------------------------------------
Reporter: kusti420 | Type: defect
Status: new | Priority: important
Component: | Version: 6.0
undetermined |
Keywords: HLS hls | Blocked By:
fmp4 segment lossless flac FLAC |
alac WAV |
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
with some files its working as it should and with some files it isnt. when
using -report to get the logs then the main things in common for such
files are
"[hls @ 000002f16b403a00] Delay between the first packet and last packet
in the muxing queue is 10069334 > 10000000: forcing output" error and the
fact that only one m4s segment is created for it, as if that -hls_time
flag is just ignored half the time.
How to reproduce:
{{{
% ffmpeg -i .\audio4.flac -c:a flac -vf
pad="width=ceil(iw/2)*2:height=ceil(ih/2)*2" -ar 96000 -f hls -hls_time 6
-hls_playlist_type vod -strict -2 -hls_segment_type fmp4
-hls_segment_filename "idk%d.m4s" playlist.m3u8
}}}
ffmpeg version 6.0, but i also tried versions 5.1.2 and "2023-05-08-git-
2d43c23b81-full_build-www.gyan.dev" build which i assume is built from the
master branch.
even tried running it on different operating systems (windows, linux and
android).
--
Ticket URL: <https://trac.ffmpeg.org/ticket/10352>
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