[FFmpeg-trac] #6280(undetermined:new): I/O error while converting AMR files

FFmpeg trac at avcodec.org
Fri Mar 31 03:10:13 EEST 2017


#6280: I/O error while converting AMR files
----------------------------------------+----------------------------------
             Reporter:  Sami32          |                     Type:  defect
               Status:  new             |                 Priority:  normal
            Component:  undetermined    |                  Version:  3.2.1
             Keywords:  I/O error, AMR  |               Blocked By:
             Blocking:                  |  Reproduced by developer:  0
Analyzed by developer:  0               |
----------------------------------------+----------------------------------
 Summary of the bug:
 Convertion of AMR files stop and give an I/O error.

 How to reproduce:
 % ffmpeg.exe -i "sample_NB.amr" -vn -f s16be -ar 48000 -ac 2 NUL
 {{{
 ffmpeg version N-80999-gf41e37b Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 5.4.0 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable-
 bzlib --enable-libebur128 --enable-fontconfig --enable-frei0r --enable-
 gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b
 --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm
 --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-
 libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
 --enable-libopus --enable-librtmp --enable-libschroedinger --enable-
 libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-
 libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis
 --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264
 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg
 --enable-lzma --enable-decklink --enable-zlib
   libavutil      55. 28.100 / 55. 28.100
   libavcodec     57. 50.100 / 57. 50.100
   libavformat    57. 41.100 / 57. 41.100
   libavdevice    57.  0.102 / 57.  0.102
   libavfilter     6. 47.100 /  6. 47.100
   libswscale      4.  1.100 /  4.  1.100
   libswresample   2.  1.100 /  2.  1.100
   libpostproc    54.  0.100 / 54.  0.100
 Splitting the commandline.
 Reading option '-y' ... matched as option 'y' (overwrite output files)
 with argument '1'.
 Reading option '-v' ... matched as option 'v' (set logging level) with
 argument '9'.
 Reading option '-loglevel' ... matched as option 'loglevel' (set logging
 level) with argument '99'.
 Reading option '-report' ... matched as option 'report' (generate a
 report) with argument '1'.
 Reading option '-i' ... matched as input file with argument
 'sample_NB.amr'.
 Reading option '-vn' ... matched as option 'vn' (disable video) with
 argument '1'.
 Reading option '-f' ... matched as option 'f' (force format) with argument
 's16be'.
 Reading option '-ar' ... matched as option 'ar' (set audio sampling rate
 (in Hz)) with argument '48000'.
 Reading option '-ac' ... matched as option 'ac' (set number of audio
 channels) with argument '2'.
 Reading option 'NUL' ... matched as output file.
 Finished splitting the commandline.
 Parsing a group of options: global .
 Applying option y (overwrite output files) with argument 1.
 Applying option v (set logging level) with argument 9.
 Applying option loglevel (set logging level) with argument 99.
 Applying option report (generate a report) with argument 1.
 Successfully parsed a group of options.
 Parsing a group of options: input file sample_NB.amr.
 Successfully parsed a group of options.
 Opening an input file: sample_NB.amr.
 [file @ 033da660] Setting default whitelist 'file,crypto'
 [amr @ 033d9ce0] Format amr probed with size=2048 and score=100
 [amr @ 033d9ce0] Before avformat_find_stream_info() pos: 6 bytes
 read:32768 seeks:0 nb_streams:1
 [amr @ 033d9ce0] All info found
 [amr @ 033d9ce0] Estimating duration from bitrate, this may be inaccurate
 [amr @ 033d9ce0] After avformat_find_stream_info() pos: 1606 bytes
 read:32768 seeks:0 frames:50
 Input #0, amr, from 'sample_NB.amr':
   Duration: 00:00:49.86, bitrate: 12 kb/s
     Stream #0:0, 50, 1/8000: Audio: amr_nb (samr / 0x726D6173), 8000 Hz,
 mono, flt
 Successfully opened the file.
 Parsing a group of options: output file NUL.
 Applying option vn (disable video) with argument 1.
 Applying option f (force format) with argument s16be.
 Applying option ar (set audio sampling rate (in Hz)) with argument 48000.
 Applying option ac (set number of audio channels) with argument 2.
 Successfully parsed a group of options.
 Opening an output file: NUL.
 [file @ 033da8c0] Setting default whitelist 'file,crypto'
 Successfully opened the file.
 detected 1 logical cores
 [graph 0 input from stream 0:0 @ 034db1a0] Setting 'time_base' to value
 '1/8000'
 [graph 0 input from stream 0:0 @ 034db1a0] Setting 'sample_rate' to value
 '8000'
 [graph 0 input from stream 0:0 @ 034db1a0] Setting 'sample_fmt' to value
 'flt'
 [graph 0 input from stream 0:0 @ 034db1a0] Setting 'channel_layout' to
 value '0x4'
 [graph 0 input from stream 0:0 @ 034db1a0] tb:1/8000 samplefmt:flt
 samplerate:8000 chlayout:0x4
 [audio format for output stream 0:0 @ 034dbbc0] Setting 'sample_fmts' to
 value 's16'
 [audio format for output stream 0:0 @ 034dbbc0] Setting 'sample_rates' to
 value '48000'
 [audio format for output stream 0:0 @ 034dbbc0] Setting 'channel_layouts'
 to value '0x3'
 [audio format for output stream 0:0 @ 034dbbc0] auto-inserting filter
 'auto-inserted resampler 0' between the filter 'Parsed_anull_0' and the
 filter 'audio format for output stream 0:0'
 [AVFilterGraph @ 033d29e0] query_formats: 4 queried, 6 merged, 3 already
 done, 0 delayed
 [auto-inserted resampler 0 @ 034c7c40] [SWR @ 034dc000] Using fltp
 internally between filters
 [auto-inserted resampler 0 @ 034c7c40] [SWR @ 034dc000] Matrix
 coefficients:
 [auto-inserted resampler 0 @ 034c7c40] [SWR @ 034dc000] FL: FC:0.707107
 [auto-inserted resampler 0 @ 034c7c40] [SWR @ 034dc000] FR: FC:0.707107
 [auto-inserted resampler 0 @ 034c7c40] ch:1 chl:mono fmt:flt r:8000Hz ->
 ch:2 chl:stereo fmt:s16 r:48000Hz
 [s16be @ 034c6340] Using AVStream.codec to pass codec parameters to muxers
 is deprecated, use AVStream.codecpar instead.
 Output #0, s16be, to 'NUL':
   Metadata:
     encoder         : Lavf57.41.100
     Stream #0:0, 0, 1/48000: Audio: pcm_s16be, 48000 Hz, stereo, s16, 1536
 kb/s
     Metadata:
       encoder         : Lavc57.50.100 pcm_s16be
 Stream mapping:
   Stream #0:0 -> #0:0 (amr_nb (amrnb) -> pcm_s16be (native))
 Press [q] to stop, [?] for help
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 size=    7320kB time=00:00:39.03 bitrate=1536.0kbits/s speed=78.1x
 sample_NB.amr: I/O error
 [output stream 0:0 @ 034dbae0] EOF on sink link output stream 0:0:default.
 No more output streams to write to, finishing.
 size=    9349kB time=00:00:49.86 bitrate=1536.0kbits/s speed=77.8x
 video:0kB audio:9349kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 0.000000%
 Input file #0 (sample_NB.amr):
   Input stream #0:0 (audio): 2493 packets read (79776 bytes); 2493 frames
 decoded (398880 samples);
   Total: 2493 packets (79776 bytes) demuxed
 Output file #0 (NUL):
   Output stream #0:0 (audio): 2494 frames encoded (2393280 samples); 2494
 packets muxed (9573120 bytes);
   Total: 2494 packets (9573120 bytes) muxed
 2493 frames successfully decoded, 0 decoding errors
 [AVIOContext @ 034db020] Statistics: 0 seeks, 2494 writeouts
 [AVIOContext @ 033da800] Statistics: 79782 bytes read, 0 seeks
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6280>
FFmpeg <https://ffmpeg.org>
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