[FFmpeg-trac] #6072(ffmpeg:new): I am trying to transcode from dss to wav

FFmpeg trac at avcodec.org
Wed Jan 11 13:27:57 EET 2017


#6072: I am trying to transcode from dss to wav
-----------------------------------+--------------------------------------
             Reporter:  vineet156  |                     Type:  defect
               Status:  new        |                 Priority:  normal
            Component:  ffmpeg     |                  Version:  git-master
             Keywords:             |               Blocked By:
             Blocking:             |  Reproduced by developer:  0
Analyzed by developer:  0          |
-----------------------------------+--------------------------------------
 Summary of the bug:
 How to reproduce:
 {{{
 ffmpeg started on 2017-01-11 at 11:20:25
 Report written to "ffmpeg-20170111-112025.log"
 Command line:
 /usr/local/bin/ffmpeg -report -i WelcomeToSpeechExec.dss output.wav
 ffmpeg version N-83040-g184c13f64a-static http://johnvansickle.com/ffmpeg/
 Copyright (c) 2000-2017 the FFmpeg developers
   built with gcc 5.4.1 (Debian 5.4.1-4) 20161202
   configuration: --enable-gpl --enable-version3 --enable-static --disable-
 debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio
 --cc=gcc-5 --enable-fontconfig --enable-frei0r --enable-gnutls --enable-
 gray --enable-libass --enable-libfreetype --enable-libfribidi --enable-
 libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-
 libopenjpeg --enable-libopus --enable-librtmp --enable-libsoxr --enable-
 libspeex --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc
 --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264
 --enable-libx265 --enable-libxvid --enable-libzimg
   libavutil      55. 43.100 / 55. 43.100
   libavcodec     57. 71.101 / 57. 71.101
   libavformat    57. 62.100 / 57. 62.100
   libavdevice    57.  2.100 / 57.  2.100
   libavfilter     6. 68.100 /  6. 68.100
   libswscale      4.  3.101 /  4.  3.101
   libswresample   2.  4.100 /  2.  4.100
   libpostproc    54.  2.100 / 54.  2.100
 Splitting the commandline.
 Reading option '-report' ... matched as option 'report' (generate a
 report) with argument '1'.
 Reading option '-i' ... matched as input url with argument
 'WelcomeToSpeechExec.dss'.
 Reading option 'output.wav' ... matched as output url.
 Finished splitting the commandline.
 Parsing a group of options: global .
 Applying option report (generate a report) with argument 1.
 Successfully parsed a group of options.
 Parsing a group of options: input url WelcomeToSpeechExec.dss.
 Successfully parsed a group of options.
 Opening an input file: WelcomeToSpeechExec.dss.
 [file @ 0x3e188c0] Setting default whitelist 'file,crypto'
 [dss @ 0x3e18060] Format dss detected only with low score of 1,
 misdetection possible!
 [dss @ 0x3e18060] Before avformat_find_stream_info() pos: 1024 bytes
 read:235520 seeks:0 nb_streams:1
 [dss @ 0x3e18060] Estimating duration from bitrate, this may be inaccurate
 [dss @ 0x3e18060] After avformat_find_stream_info() pos: 1072 bytes
 read:235520 seeks:0 frames:0
 Input #0, dss, from 'WelcomeToSpeechExec.dss':
   Metadata:
     author          :
     date            : 2007-01-01T01:01:01
     comment         :
   Duration: 00:02:15.35, start: 0.000000, bitrate: 13 kb/s
     Stream #0:0, 0, 1/11025: Audio: dss_sp, 11025 Hz, mono, s16
 Successfully opened the file.
 Parsing a group of options: output url output.wav.
 Successfully parsed a group of options.
 Opening an output file: output.wav.
 [file @ 0x3e1da60] Setting default whitelist 'file,crypto'
 Successfully opened the file.
 detected 1 logical cores
 [graph 0 input from stream 0:0 @ 0x3e1dca0] Setting 'time_base' to value
 '1/11025'
 [graph 0 input from stream 0:0 @ 0x3e1dca0] Setting 'sample_rate' to value
 '11025'
 [graph 0 input from stream 0:0 @ 0x3e1dca0] Setting 'sample_fmt' to value
 's16'
 [graph 0 input from stream 0:0 @ 0x3e1dca0] Setting 'channel_layout' to
 value '0x4'
 [graph 0 input from stream 0:0 @ 0x3e1dca0] tb:1/11025 samplefmt:s16
 samplerate:11025 chlayout:0x4
 [audio format for output stream 0:0 @ 0x3e1ec80] Setting 'sample_fmts' to
 value 's16'
 [AVFilterGraph @ 0x3e1e620] query_formats: 4 queried, 9 merged, 0 already
 done, 0 delayed
 Output #0, wav, to 'output.wav':
   Metadata:
     author          :
     ICRD            : 2007-01-01T01:01:01
     ICMT            :
     ISFT            : Lavf57.62.100
     Stream #0:0, 0, 1/11025: Audio: pcm_s16le ([1][0][0][0] / 0x0001),
 11025 Hz, mono, s16, 176 kb/s
     Metadata:
       encoder         : Lavc57.71.101 pcm_s16le
 Stream mapping:
   Stream #0:0 -> #0:0 (dss_sp (native) -> pcm_s16le (native))
 Press [q] to stop, [?] for help
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 WelcomeToSpeechExec.dss: Invalid data found when processing input
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [output stream 0:0 @ 0x3e17f60] EOF on sink link output stream
 0:0:default.
 No more output streams to write to, finishing.
 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x
 video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 Input file #0 (WelcomeToSpeechExec.dss):
   Input stream #0:0 (audio): 0 packets read (0 bytes); 0 frames decoded (0
 samples);
   Total: 0 packets (0 bytes) demuxed
 Output file #0 (output.wav):
   Output stream #0:0 (audio): 0 frames encoded (0 samples); 0 packets
 muxed (0 bytes);
   Total: 0 packets (0 bytes) muxed
 Output file is empty, nothing was encoded (check -ss / -t / -frames
 parameters if used)
 0 frames successfully decoded, 0 decoding errors
 [AVIOContext @ 0x3e1db40] Statistics: 4 seeks, 3 writeouts
 [AVIOContext @ 0x3e20c60] Statistics: 235520 bytes read, 0 seeks
 }}}

 I have tried transcoding from dss to mp3 as well, but it gives same
 errors.
 The input dss file is attached for reference. Input dss file playback is
 flawless in DSS player for Mac, so the input file has correct format.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6072>
FFmpeg <https://ffmpeg.org>
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