0

I'm tried to save stream using URL and it shows that there is audio track, but I don't hear anything. I used this:

vlc your_input_file_or_stream_here --sout=file/ps:go.mpg 

Output of ffmprobe go.mpg:

$ ffprobe go.mpg
ffprobe version 3.4.2-2 Copyright (c) 2007-2018 the FFmpeg developers
  built with gcc 7 (Ubuntu 7.3.0-16ubuntu2)
  configuration: --prefix=/usr --extra-version=2 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
  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
  libavresample   3.  7.  0 /  3.  7.  0
  libswscale      4.  8.100 /  4.  8.100
  libswresample   2.  9.100 /  2.  9.100
  libpostproc    54.  7.100 / 54.  7.100
[aac @ 0x55eac749bfc0] Number of bands (52) exceeds limit (30).
[aac @ 0x55eac749bfc0] Multiple frames in a packet.
[aac @ 0x55eac749bfc0] channel element 2.7 is not allocated
[aac @ 0x55eac749bfc0] More than one AAC RDB per ADTS frame is not implemented. Update your FFmpeg version to the newest one from Git. If the problem still occurs, it means that your file has a feature which has not been implemented.
[aac @ 0x55eac749bfc0] Sample rate index in program config element does not match the sample rate index configured by the container.
[aac @ 0x55eac749bfc0] Too large remapped id is not implemented. Update your FFmpeg version to the newest one from Git. If the problem still occurs, it means that your file has a feature which has not been implemented.
[aac @ 0x55eac749bfc0] If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)
[aac @ 0x55eac749bfc0] invalid band type
[aac @ 0x55eac749bfc0] channel element 1.1 is not allocated
[mpeg @ 0x55eac7398fc0] decoding for stream 1 failed
[mpeg @ 0x55eac7398fc0] Could not find codec parameters for stream 1 (Audio: aac (LTP), mono, fltp, 47 kb/s): unspecified sample rate
Consider increasing the value for the 'analyzeduration' and 'probesize' options
Input #0, mpeg, from 'go.mpg':
  Duration: 01:11:28.10, start: 1544.104667, bitrate: 471 kb/s
    Stream #0:0[0x1e0]: Video: h264 (Main), yuv420p(tv, bt709, progressive), 1280x720 [SAR 1:1 DAR 16:9], 30 fps, 30 tbr, 90k tbn, 60 tbc
    Stream #0:1[0x1c0]: Audio: aac (LTP), mono, fltp, 47 kb/s
  • What does ffprobe go.mpg show? – Gyan May 24 '18 at 5:13
  • @Gyan so above, please. – R S May 24 '18 at 6:22
  • Save as MP4 and check. – Gyan May 24 '18 at 6:55
  • @Gyan it doesn't matter what format - all the same. – R S May 24 '18 at 12:08

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Browse other questions tagged or ask your own question.