[FFmpeg-trac] #2504(undetermined:new): Audio glitches and distortion when recording and direct play
FFmpeg
trac at avcodec.org
Fri Apr 26 18:53:42 CEST 2013
#2504: Audio glitches and distortion when recording and direct play
-------------------------------------+-------------------------------------
Reporter: MrNice | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: unspecified | undetermined
Keywords: | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
-------------------------------------+-------------------------------------
Comment (by MrNice):
$ ffmpeg -f alsa -ac 2 -ar 44100 -i hw:0,0 out2.wav
ffmpeg version N-52061-g8137ea3 Copyright (c) 2000-2013 the FFmpeg
developers
built on Apr 13 2013 21:10:51 with gcc 4.4.7 (GCC) 20120313 (Red Hat
4.4.7-3)
configuration: --prefix=/opt/ffmpeg-opt/usr --enable-shared
--bindir=/opt/ffmpeg-opt/usr/bin --datadir=/opt/ffmpeg-opt/usr/share
/ffmpeg-opt --incdir=/opt/ffmpeg-opt/usr/include/ffmpeg-opt --libdir=/opt
/ffmpeg-opt/usr/lib64 --mandir=/opt/ffmpeg-opt/usr/share/man
--shlibdir=/opt/ffmpeg-opt/usr/lib64 --arch=x86_64 --optflags='-O2 -g'
--enable-bzlib --disable-crystalhd --enable-gnutls --enable-libass
--enable-libdc1394 --disable-indev=jack --enable-libfreetype --enable-
libgsm --enable-libmp3lame --enable-openal --enable-libopenjpeg --enable-
libopus --enable-libpulse --enable-libschroedinger --enable-libspeex
--enable-libtheora --enable-libvorbis --enable-libx264 --disable-libv4l2
--enable-libxvid --enable-x11grab --enable-avfilter --enable-postproc
--enable-pthreads --disable-static --enable-shared --enable-gpl --disable-
debug --disable-stripping --build-suffix=1 --disable-doc --enable-runtime-
cpudetect
libavutil 52. 26.100 / 52. 26.100
libavcodec 55. 2.100 / 55. 2.100
libavformat 55. 2.100 / 55. 2.100
libavdevice 55. 0.100 / 55. 0.100
libavfilter 3. 53.101 / 3. 53.101
libswscale 2. 2.100 / 2. 2.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 3.100 / 52. 3.100
Guessed Channel Layout for Input Stream #0.0 : stereo
Input #0, alsa, from 'hw:0,0':
Duration: N/A, start: 1366995077.632556, bitrate: 1411 kb/s
Stream #0:0: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s
Output #0, wav, to '/Store3/Test/out2.wav':
Metadata:
ISFT : Lavf55.2.100
Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz,
stereo, s16, 1411 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (pcm_s16le -> pcm_s16le)
Press [q] to stop, [?] for help
size= 1557kB time=00:00:09.03 bitrate=1411.3kbits/s
video:0kB audio:1557kB subtitle:0 global headers:0kB muxing overhead
0.005017%
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2504#comment:5>
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