[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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