[FFmpeg-trac] #6205(undetermined:new): Distortions in audio output when selecting input audio track 5 or higher
FFmpeg
trac at avcodec.org
Tue Feb 28 18:00:26 EET 2017
#6205: Distortions in audio output when selecting input audio track 5 or higher
-------------------------------------+-------------------------------------
Reporter: ackjewt | Type: defect
Status: new | Priority: normal
Component: | Version: git-
undetermined | master
Keywords: Decklink | Blocked By:
SDI Audio | Reproduced by developer: 0
Blocking: |
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
While using input track 5 or higher, i hear distortions in the output.
I've attached two files, one using audio tracks 3-4
(sdi_576i_audio_ch_3-4.avi) and one using audio tracks 5-6
(sdi_576i_audio_ch_5-6.avi)
Input:
720x576i25, 8 audio tracks
Using:
CentOS 7
FFmpeg-git
Latest Decklink SDK (10.8.5)
How to reproduce:
{{{
ffmpeg -report -v 9 -loglevel 99 -re -channels 8 -f decklink -i "DeckLink
SDI at 3" -pixel_format uyvy422 -af "pan=stereo|c0=c4|c1=c5" -vn -acodec
pcm_s16le sdi_576i_audio_ch_5-6.avi
ffmpeg version N-83691-g7f62368 Copyright (c) 2000-2017 the FFmpeg
developers
built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-11)
configuration: --prefix=/root/ffmpeg-static/target --pkg-config-
flags=--static --extra-cflags=-I/root/ffmpeg-static/target/include
--extra-ldflags=-L/root/ffmpeg-static/target/lib --bindir=/root/ffmpeg-
static/bin --enable-decklink --extra-cflags=-I/usr/include/decklink-10.8.5
--extra-ldflags=-ldl --extra-libs=-ldl --enable-ffplay --enable-ffserver
--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
libavutil 55. 47.100 / 55. 47.100
libavcodec 57. 81.100 / 57. 81.100
libavformat 57. 66.102 / 57. 66.102
libavdevice 57. 3.100 / 57. 3.100
libavfilter 6. 74.100 / 6. 74.100
libswscale 4. 3.101 / 4. 3.101
libswresample 2. 4.100 / 2. 4.100
libpostproc 54. 2.100 / 54. 2.100
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/6205>
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