[FFmpeg-trac] #8812(ffmpeg:new): interplayacm decoder produces errors

FFmpeg trac at avcodec.org
Thu Jul 23 02:28:26 EEST 2020


#8812: interplayacm decoder produces errors
--------------------------------+--------------------------------------
             Reporter:  Sam.    |                     Type:  defect
               Status:  new     |                 Priority:  normal
            Component:  ffmpeg  |                  Version:  git-master
             Keywords:          |               Blocked By:
             Blocking:          |  Reproduced by developer:  0
Analyzed by developer:  0       |
--------------------------------+--------------------------------------
 == 1)  What you were trying to accomplish ==
 I am trying to transcode an interplayacm ACM file to a pcm_s16le WAV file.

 == 2)  The problem you encountered ==
 I have encountered an error while decoding the interplayacm audio format.
 I get this error with some but not all ACM files I have tested.  The game
 this file came with and legacy decoders can properly decode and play the
 file, so the file itself is not corrupt.  I am happy to help debug this
 issue in any way I am able, including providing additional sample files
 that do and do not produce this error and testing potential fixes.  The
 error in question includes:
    Error while decoding stream #0:0: Invalid data found when processing
 input
    Last message repeated 20 times
    [interplayacm @ 00000273542efa80] Too many errors when draining, this
 is a bug. Stop draining and force EOF.
    Error while decoding stream #0:0: Internal bug, should not have
 happened

 == 3)  The exact command line you were using ==
 {{{
 ffmpeg.exe -report -v 9 -loglevel 99 -i
 interplayacm_decoder_produces_error__Bc1a3.acm Bc1a3_ffmpeg.wav
 }}}

 == 4)  The full, uncut console output ==
 {{{
 ffmpeg started on 2020-07-22 at 17:33:16
 Report written to "ffmpeg-20200722-173316.log"
 Log level: 99
 ffmpeg version git-2020-07-16-d11cc74 Copyright (c) 2000-2020 the FFmpeg
 developers
   built with gcc 9.3.1 (GCC) 20200621
   configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-
 fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-
 libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame
 --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
 --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr
 --enable-libsrt --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-libvmaf --enable-libvorbis --enable-libvo-
 amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-
 libaom --enable-libgsm --disable-w32threads --enable-libmfx --enable-
 ffnvcodec --enable-cuda-llvm --enable-cuvid --enable-d3d11va --enable-
 nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt
 --enable-amf
   libavutil      56. 55.100 / 56. 55.100
   libavcodec     58. 96.100 / 58. 96.100
   libavformat    58. 48.100 / 58. 48.100
   libavdevice    58. 11.101 / 58. 11.101
   libavfilter     7. 87.100 /  7. 87.100
   libswscale      5.  8.100 /  5.  8.100
   libswresample   3.  8.100 /  3.  8.100
   libpostproc    55.  8.100 / 55.  8.100
 Splitting the commandline.
 Reading option '-report' ... matched as option 'report' (generate a
 report) 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 '-i' ... matched as input url with argument
 'interplayacm_decoder_produces_error__Bc1a3.acm'.
 Reading option 'Bc1a3_ffmpeg.wav' ... matched as output url.
 Finished splitting the commandline.
 Parsing a group of options: global .
 Applying option report (generate a report) with argument 1.
 Applying option v (set logging level) with argument 9.
 Successfully parsed a group of options.
 Parsing a group of options: input url
 interplayacm_decoder_produces_error__Bc1a3.acm.
 Successfully parsed a group of options.
 Opening an input file: interplayacm_decoder_produces_error__Bc1a3.acm.
 [NULL @ 0000023f4ec1d640] Opening
 'interplayacm_decoder_produces_error__Bc1a3.acm' for reading
 [file @ 0000023f4ec1e740] Setting default whitelist 'file,crypto,data'
 Probing acm score:66 size:2048
 [acm @ 0000023f4ec1d640] Format acm probed with size=2048 and score=66
 [acm @ 0000023f4ec1d640] Before avformat_find_stream_info() pos: 14 bytes
 read:32768 seeks:0 nb_streams:1
 [acm @ 0000023f4ec1d640] parser not found for codec interplayacm, packets
 or times may be invalid.
 [acm @ 0000023f4ec1d640] All info found
 [acm @ 0000023f4ec1d640] stream 0: start_time: 0 duration: 3.62358
 [acm @ 0000023f4ec1d640] format: start_time: 0 duration: 3.62358 (estimate
 from stream) bitrate=143 kb/s
 [acm @ 0000023f4ec1d640] After avformat_find_stream_info() pos: 14 bytes
 read:32768 seeks:0 frames:0
 Guessed Channel Layout for Input Stream #0.0 : stereo
 Input #0, acm, from 'interplayacm_decoder_produces_error__Bc1a3.acm':
   Duration: 00:00:03.62, start: 0.000000, bitrate: 143 kb/s
     Stream #0:0, 0, 1/22050: Audio: interplayacm, 22050 Hz, stereo, s16
 Successfully opened the file.
 Parsing a group of options: output url Bc1a3_ffmpeg.wav.
 Successfully parsed a group of options.
 Opening an output file: Bc1a3_ffmpeg.wav.
 [file @ 0000023f4ec233c0] Setting default whitelist 'file,crypto,data'
 Successfully opened the file.
 Stream mapping:
   Stream #0:0 -> #0:0 (interplayacm (native) -> pcm_s16le (native))
 Press [q] to stop, [?] for help
 cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless
 if it occurs once at the start per stream)
 [acm @ 0000023f4ec1d640] parser not found for codec interplayacm, packets
 or times may be invalid.
 cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless
 if it occurs once at the start per stream)
 detected 8 logical cores
 [graph_0_in_0_0 @ 0000023f4ecb3dc0] Setting 'time_base' to value '1/22050'
 [graph_0_in_0_0 @ 0000023f4ecb3dc0] Setting 'sample_rate' to value '22050'
 [graph_0_in_0_0 @ 0000023f4ecb3dc0] Setting 'sample_fmt' to value 's16'
 [graph_0_in_0_0 @ 0000023f4ecb3dc0] Setting 'channel_layout' to value
 '0x3'
 [graph_0_in_0_0 @ 0000023f4ecb3dc0] tb:1/22050 samplefmt:s16
 samplerate:22050 chlayout:0x3
 [format_out_0_0 @ 0000023f4ecb52c0] Setting 'sample_fmts' to value 's16'
 [AVFilterGraph @ 0000023f4ec26480] query_formats: 4 queried, 9 merged, 0
 already done, 0 delayed
 Output #0, wav, to 'Bc1a3_ffmpeg.wav':
   Metadata:
     ISFT            : Lavf58.48.100
     Stream #0:0, 0, 1/22050: Audio: pcm_s16le ([1][0][0][0] / 0x0001),
 22050 Hz, stereo, s16, 705 kb/s
     Metadata:
       encoder         : Lavc58.96.100 pcm_s16le
 [interplayacm @ 0000023f4ec1fa80] Multiple frames in a packet.
 Error while decoding stream #0:0: Invalid data found when processing input
     Last message repeated 20 times
 [interplayacm @ 0000023f4ec1fa80] Too many errors when draining, this is a
 bug. Stop draining and force EOF.
 Error while decoding stream #0:0: Internal bug, should not have happened
 [out_0_0 @ 0000023f4ecb26c0] EOF on sink link out_0_0:default.
 No more output streams to write to, finishing.
 size=     316kB time=00:00:03.66 bitrate= 705.8kbits/s speed=51.9x
 video:0kB audio:316kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 0.024105%
 Input file #0 (interplayacm_decoder_produces_error__Bc1a3.acm):
   Input stream #0:0 (audio): 64 packets read (64767 bytes); 79 frames
 decoded (80896 samples);
   Total: 64 packets (64767 bytes) demuxed
 Output file #0 (Bc1a3_ffmpeg.wav):
   Output stream #0:0 (audio): 79 frames encoded (80896 samples); 79
 packets muxed (323584 bytes);
   Total: 79 packets (323584 bytes) muxed
 79 frames successfully decoded, 22 decoding errors
 [AVIOContext @ 0000023f4ec23500] Statistics: 4 seeks, 4 writeouts
 [AVIOContext @ 0000023f4ec269c0] Statistics: 64781 bytes read, 0 seeks
 }}}

 == 5)  Sufficient information, including any required input files, to
 reproduce the bug and confirm a potential fix. ==
 See `interplayacm_decoder_produces_error__Bc1a3.ACM` for an ACM file that
 produces the error.
 See `Bc1a3_ffmpeg.wav` for the file produced by ffmpeg using the above
 listed command (despite the errors).
 See `Bc1a3_acm2wav.wav` for the original file decoded to a WAV file by a
 legacy decoder.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/8812>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker


More information about the FFmpeg-trac mailing list