[FFmpeg-trac] #7113(avcodec:new): NO_DATA is discarded from the AMR stream
FFmpeg
trac at avcodec.org
Fri Mar 30 14:56:19 EEST 2018
#7113: NO_DATA is discarded from the AMR stream
-------------------------------------+-------------------------------------
Reporter: blikjeham | Type: defect
Status: new | Priority: normal
Component: avcodec | Version:
Keywords: amr NO_DATA | unspecified
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
-------------------------------------+-------------------------------------
NO_DATA is discarded from the AMR streams, resulting in no silence between
audio segments.
How to reproduce:
{{{
% ffmpeg -y -f amr -i input.awb output.au
ffmpeg version 2.2.1 Copyright (c) 2000-2014 the FFmpeg developers
built on Jun 17 2014 01:25:46 with gcc 4.8.2 (GCC) 20140120 (Red Hat
4.8.2-16)
configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64
--mandir=/usr/share/man --enable-shared --enable-runtime-cpudetect
--enable-gpl --enable-version3 --enable-postproc --enable-avfilter
--enable-pthreads --enable-x11grab --enable-vdpau --disable-avisynth
--enable-frei0r --enable-libdc1394 --enable-libgsm --enable-libmp3lame
--enable-libnut --enable-libopencore-amrnb --enable-libopencore-amrwb
--enable-libopenjpeg --enable-librtmp --enable-libspeex --enable-libtheora
--enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs
--enable-libxvid --extra-cflags='-O2 -g -pipe -Wall
-Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-
buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -fPIC' --disable-
stripping
libavutil 52. 66.100 / 52. 66.100
libavcodec 55. 52.102 / 55. 52.102
libavformat 55. 33.100 / 55. 33.100
libavdevice 55. 10.100 / 55. 10.100
libavfilter 4. 2.100 / 4. 2.100
libswscale 2. 5.102 / 2. 5.102
libswresample 0. 18.100 / 0. 18.100
libpostproc 52. 3.100 / 52. 3.100
[amr @ 0x1e8a9c0] Estimating duration from bitrate, this may be inaccurate
Input #0, amr, from 'input.awb':
Duration: 00:01:03.75, bitrate: 7 kb/s
Stream #0:0: Audio: amr_wb (sawb / 0x62776173), 16000 Hz, mono, flt, 7
kb/s
Output #0, au, to 'output.au':
Metadata:
encoder : Lavf55.33.100
Stream #0:0: Audio: pcm_s16be ([3][0][0][0] / 0x0003), 16000 Hz, mono,
s16, 256 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (amrwb -> pcm_s16be)
Press [q] to stop, [?] for help
[amrwb @ 0x1e93720] Invalid mode 15
Error while decoding stream #0:0: Invalid data found when processing input
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/7113>
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