[FFmpeg-trac] #4145(undetermined:new): when rebroadcasting/streaming to flv format with aac_adtstoasc bitstream filter, sound gets removed
FFmpeg
trac at avcodec.org
Mon Dec 1 15:02:05 CET 2014
#4145: when rebroadcasting/streaming to flv format with aac_adtstoasc bitstream
filter, sound gets removed
-------------------------------------+-------------------------------------
Reporter: PyroDevil | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: git-master | undetermined
Keywords: | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
-------------------------------------+-------------------------------------
Comment (by PyroDevil):
I also tried it without twitch in between, but the problem doesn't occur:
{{{
% livestreamer -O www.twitch.tv/otherstream worst 2>/dev/null | ffmpeg -i
- -c copy -bsf:a aac_adtstoasc -f flv pipe:1 2>/dev/null | ffmpeg -i - 2>
pipetest.log
ffmpeg version N-68130-gb50e003 Copyright (c) 2000-2014 the FFmpeg
developers
built on Dec 1 2014 14:44:49 with gcc 4.9.2 (GCC)
configuration: --prefix=/usr --disable-static --enable-gpl --enable-
libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame
--enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx
--enable-libx264 --enable-libx265 --enable-nonfree --enable-shared
--enable-x11grab
libavutil 54. 15.100 / 54. 15.100
libavcodec 56. 13.100 / 56. 13.100
libavformat 56. 15.101 / 56. 15.101
libavdevice 56. 3.100 / 56. 3.100
libavfilter 5. 2.103 / 5. 2.103
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 1.100 / 1. 1.100
libpostproc 53. 3.100 / 53. 3.100
Input #0, flv, from 'pipe:':
Metadata:
encoder : Lavf56.15.101
Duration: 00:00:00.00, start: 0.000000, bitrate: N/A
Stream #0:0: Video: h264 (Constrained Baseline), yuv420p, 400x226, 20
fps, 20 tbr, 1k tbn, 2k tbc
Stream #0:1: Audio: aac, 44100 Hz, stereo, fltp, 127 kb/s
At least one output file must be specified
}}}
So could it be the rtmp protocol?
--
Ticket URL: <https://trac.ffmpeg.org/ticket/4145#comment:6>
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