[FFmpeg-trac] #7271(ffmpeg:new): Converting m4a file to mp3 not wokring with ffmpeg 4.0

[FFmpeg]

#7271: Converting m4a file to mp3 not wokring with ffmpeg 4.0
----------------------------------+---------------------------------------
             Reporter:  eangelov  |                     Type:  defect
               Status:  new       |                 Priority:  normal
            Component:  ffmpeg    |                  Version:  unspecified
             Keywords:            |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  0         |
----------------------------------+---------------------------------------
 After updating to version 4.0 converting m4a to mp3 broke
 PS D:\> .\ffmpeg.exe -i .\test.m4a test.mp3
 ffmpeg version 4.0 Copyright (c) 2000-2018 the FFmpeg developers
   built with gcc 7.3.0 (GCC)
   configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-
 bzlib --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass
 --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-
 libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
 --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr
 --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack
 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2
 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-
 libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa
 --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx
 --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-
 nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
   libavutil      56. 14.100 / 56. 14.100
   libavcodec     58. 18.100 / 58. 18.100
   libavformat    58. 12.100 / 58. 12.100
   libavdevice    58.  3.100 / 58.  3.100
   libavfilter     7. 16.100 /  7. 16.100
   libswscale      5.  1.100 /  5.  1.100
   libswresample   3.  1.100 /  3.  1.100
   libpostproc    55.  1.100 / 55.  1.100
 [aac @ 0000028945cea440] Could not find codec parameters for stream 0
 (Audio: aac, 0 channels, fltp): unspecified sample rate
 Consider increasing the value for the 'analyzeduration' and 'probesize'
 options
 Input #0, aac, from '.\test.m4a':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Audio: aac, 0 channels, fltp
 Output #0, mp3, to 'test.mp3':
 Output file #0 does not contain any stream
 [[BR]]
 [[BR]]
 [[BR]]

 When using ffmpeg 3.4.2 with the same input, the file in converted
 PS D:\> .\ffmpeg_3.exe -i .\test.m4a test.mp3
 ffmpeg version 3.4.2 Copyright (c) 2000-2018 the FFmpeg developers
   built with gcc 7.3.0 (GCC)
   configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-
 bzlib --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass
 --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-
 libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
 --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr
 --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack
 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2
 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-
 libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa
 --enable-libspeex --enable-libxvid --enable-libmfx --enable-cuda --enable-
 cuvid --enable-d3d11va --enable-nvenc --enable-dxva2 --enable-avisynth
   libavutil      55. 78.100 / 55. 78.100
   libavcodec     57.107.100 / 57.107.100
   libavformat    57. 83.100 / 57. 83.100
   libavdevice    57. 10.100 / 57. 10.100
   libavfilter     6.107.100 /  6.107.100
   libswscale      4.  8.100 /  4.  8.100
   libswresample   2.  9.100 /  2.  9.100
   libpostproc    54.  7.100 / 54.  7.100
 [aac @ 000001ac8a913800] Input buffer exhausted before END element found
 [aac @ 000001ac89146ea0] Estimating duration from bitrate, this may be
 inaccurate
 Input #0, aac, from '.\test.m4a':
   Duration: 00:05:08.76, bitrate: 146 kb/s
     Stream #0:0: Audio: aac (LC), 48000 Hz, stereo, fltp, 146 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (aac (native) -> mp3 (libmp3lame))
 Press [q] to stop, [?] for help
 [aac @ 000001ac8a9b4700] Input buffer exhausted before END element found
 Error while decoding stream #0:0: Invalid data found when processing input
 Output #0, mp3, to 'test.mp3':
   Metadata:
     TSSE            : Lavf57.83.100
     Stream #0:0: Audio: mp3 (libmp3lame), 48000 Hz, stereo, fltp
     Metadata:
       encoder         : Lavc57.107.100 libmp3lame
 size=    4697kB time=00:05:00.57 bitrate= 128.0kbits/s speed=17.3x
 video:0kB audio:4696kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 0.004928%

 Both ffmpeg versions are static builds for windows 10 64 bit

--
Ticket URL: <https://trac.ffmpeg.org/ticket/7271>
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