[FFmpeg-trac] #6283(undetermined:new): TrueHD and DTS-HD convertion to s16be format give a non readable output

FFmpeg trac at avcodec.org
Fri Mar 31 20:01:40 EEST 2017


#6283: TrueHD and DTS-HD convertion to s16be format give a non readable output
-------------------------------------+-------------------------------------
             Reporter:  Sami32       |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:  TrueHD,      |               Resolution:
  DTS-HD s16be                       |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by Sami32):

 Replying to [ticket:6283 Sami32]:
 > Summary of the bug:
 > Converting TrueHD or DTS-HD give an output no playable by the renderers
 (over DLNA)
 >
 > How to reproduce:
 > % ffmpeg -i hd_dthd_7.1_track2_ger_TrueHD.thd -vn -f s16be -ar 48000 -ac
 2 output.raw
 >
 > Though we use pipe: output for the streaming.
 > {{{
 > 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 '-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 '-y' ... matched as option 'y' (overwrite output files)
 with argument '1'.
 > Reading option '-i' ... matched as input file with argument
 'hd_dthd_7.1_track2_ger_TrueHD.thd'.
 > 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 'output.raw' ... matched as output file.
 > Finished splitting the commandline.
 > Parsing a group of options: global .
 > 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.
 > Applying option y (overwrite output files) with argument 1.
 > Successfully parsed a group of options.
 > Parsing a group of options: input file
 hd_dthd_7.1_track2_ger_TrueHD.thd.
 > Successfully parsed a group of options.
 > Opening an input file: hd_dthd_7.1_track2_ger_TrueHD.thd.
 > [file @ 033da6c0] Setting default whitelist 'file,crypto'
 > [truehd @ 033d9d40] Format truehd probed with size=65536 and score=100
 > [truehd @ 033d9d40] Before avformat_find_stream_info() pos: 0 bytes
 read:65536 seeks:0 nb_streams:1
 > [truehd @ 033d9d40] All info found
 > [truehd @ 033d9d40] After avformat_find_stream_info() pos: 1024 bytes
 read:65536 seeks:0 frames:1
 > Input #0, truehd, from 'hd_dthd_7.1_track2_ger_TrueHD.thd':
 >   Duration: N/A, start: 0.000000, bitrate: N/A
 >     Stream #0:0, 1, 1/90000: Audio: truehd, 48000 Hz, 7.1, s32 (24 bit)
 > Successfully opened the file.
 > Parsing a group of options: output file output.raw.
 > 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: output.raw.
 > [file @ 033da820] Setting default whitelist 'file,crypto'
 > Successfully opened the file.
 > detected 1 logical cores
 > [graph 0 input from stream 0:0 @ 034c9240] Setting 'time_base' to value
 '1/48000'
 > [graph 0 input from stream 0:0 @ 034c9240] Setting 'sample_rate' to
 value '48000'
 > [graph 0 input from stream 0:0 @ 034c9240] Setting 'sample_fmt' to value
 's32'
 > [graph 0 input from stream 0:0 @ 034c9240] Setting 'channel_layout' to
 value '0x63f'
 > [graph 0 input from stream 0:0 @ 034c9240] tb:1/48000 samplefmt:s32
 samplerate:48000 chlayout:0x63f
 > [audio format for output stream 0:0 @ 034c9c80] Setting 'sample_fmts' to
 value 's16'
 > [audio format for output stream 0:0 @ 034c9c80] Setting 'sample_rates'
 to value '48000'
 > [audio format for output stream 0:0 @ 034c9c80] Setting
 'channel_layouts' to value '0x3'
 > [audio format for output stream 0:0 @ 034c9c80] auto-inserting filter
 'auto-inserted resampler 0' between the filter 'Parsed_anull_0' and the
 filter 'audio format for output stream 0:0'
 > [AVFilterGraph @ 033d9c60] query_formats: 4 queried, 6 merged, 3 already
 done, 0 delayed
 > [auto-inserted resampler 0 @ 033dcda0] [SWR @ 034e9000] Using fltp
 internally between filters
 > [auto-inserted resampler 0 @ 033dcda0] [SWR @ 034e9000] Matrix
 coefficients:
 > [auto-inserted resampler 0 @ 033dcda0] [SWR @ 034e9000] FL: FL:0.320377
 FR:0.000000 FC:0.226541 LFE:0.000000 BL:0.226541 BR:0.000000 SL:0.226541
 SR:0.000000
 > [auto-inserted resampler 0 @ 033dcda0] [SWR @ 034e9000] FR: FL:0.000000
 FR:0.320377 FC:0.226541 LFE:0.000000 BL:0.000000 BR:0.226541 SL:0.000000
 SR:0.226541
 > [auto-inserted resampler 0 @ 033dcda0] ch:8 chl:7.1 fmt:s32 r:48000Hz ->
 ch:2 chl:stereo fmt:s16 r:48000Hz
 > [s16be @ 033db140] Using AVStream.codec to pass codec parameters to
 muxers is deprecated, use AVStream.codecpar instead.
 > Output #0, s16be, to 'output.raw':
 >   Metadata:
 >     encoder         : Lavf57.41.100
 >     Stream #0:0, 0, 1/48000: Audio: pcm_s16be, 48000 Hz, stereo, s16 (24
 bit), 1536 kb/s
 >     Metadata:
 >       encoder         : Lavc57.50.100 pcm_s16be
 > Stream mapping:
 >   Stream #0:0 -> #0:0 (truehd (native) -> 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=     758kB time=00:00:04.04 bitrate=1536.0kbits/s speed=8.09x
 > size=    1459kB time=00:00:07.78 bitrate=1536.0kbits/s speed=7.78x
 > [truehd @ 033dad20] End of stream indicated.
 > [output stream 0:0 @ 034c94c0] EOF on sink link output stream
 0:0:default.
 > No more output streams to write to, finishing.
 > size=    2065kB time=00:00:11.01 bitrate=1536.0kbits/s speed= 7.9x
 > video:0kB audio:2065kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 0.000000%
 > Input file #0 (hd_dthd_7.1_track2_ger_TrueHD.thd):
 >   Input stream #0:0 (audio): 13214 packets read (5296266 bytes); 13214
 frames decoded (528528 samples);
 >   Total: 13214 packets (5296266 bytes) demuxed
 > Output file #0 (output.raw):
 >   Output stream #0:0 (audio): 13214 frames encoded (528528 samples);
 13214 packets muxed (2114112 bytes);
 >   Total: 13214 packets (2114112 bytes) muxed
 > 13214 frames successfully decoded, 0 decoding errors
 > [AVIOContext @ 034c9080] Statistics: 0 seeks, 13214 writeouts
 > [AVIOContext @ 033da880] Statistics: 5296266 bytes read, 0 seeks
 >
 > }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6283#comment:2>
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