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OPUS RTSP support

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curob
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OPUS RTSP support

Postby curob » 16 Dec 2015 18:31

I found a similar post (here: https://forum.videolan.org/viewtopic.ph ... us#p381247) but there was no clear solution and it has not been updated in over 2 years. I am sorry if my issue is addressed somewhere else.

I am trying to stream OPUS encoded audio data via RTSP and would like to use the VLC player to play the audio. When I connect VLC to my server (via Media->Open Network Stream) I receive the expected RTSP setup commands from VLC and I return the following SDP formatted information for the OPUS session:

Code: Select all

m=audio 5006 RTP/AVP 101 a=rtpmap:101 opus/48000/2 a=control:session=0
A popup appears in VLC indicating that the audio codec could not be found. The detailed message log (generated with the "-vvv" command line argument) shows the following:

Code: Select all

core debug: VLC media player - 2.2.1 Terry Pratchett (Weatherwax) core debug: Copyright © 1996-2015 the VideoLAN team core debug: revision 2.2.1-0-ga425c42 core debug: configured with ../extras/package/win32/../../../configure '--enable-update-check' '--enable-lua' '--enable-faad' '--enable-flac' '--enable-theora' '--enable-twolame' '--enable-quicktime' '--enable-avcodec' '--enable-merge-ffmpeg' '--enable-dca' '--enable-mpc' '--enable-libass' '--enable-x264' '--enable-schroedinger' '--enable-realrtsp' '--enable-live555' '--enable-dvdread' '--enable-shout' '--enable-goom' '--enable-caca' '--disable-sdl' '--enable-qt' '--enable-skins2' '--enable-sse' '--enable-mmx' '--enable-libcddb' '--enable-zvbi' '--disable-telx' '--enable-nls' '--host=i686-w64-mingw32' '--disable-debug' 'host_alias=i686-w64-mingw32' core debug: adding item `rtsp://192.168.0.5:8554/session=0' ( rtsp://192.168.0.5:8554/session=0 ) core debug: processing request item: rtsp://192.168.0.5:8554/session=0, node: null, skip: 0 core debug: rebuilding array of current - root Playlist core debug: meta ok for (null), need to fetch art core debug: rebuild done - 1 items, index 0 core debug: starting playback of the new playlist item core debug: resyncing on rtsp://192.168.0.5:8554/session=0 core debug: looking for meta fetcher module matching "any": 1 candidates core debug: rtsp://192.168.0.5:8554/session=0 is at 0 core debug: creating new input thread core debug: Creating an input for 'rtsp://192.168.0.5:8554/session=0' core debug: requesting art for rtsp://192.168.0.5:8554/session=0 core debug: using timeshift granularity of 50 MiB, in path 'C:\Users\curob\AppData\Local\Temp' core debug: `rtsp://192.168.0.5:8554/session=0' gives access `rtsp' demux `' path `192.168.0.5:8554/session=0' core debug: looking for meta fetcher module matching "any": 1 candidates core debug: specified demux `any' core debug: creating demux: access='rtsp' demux='any' location='192.168.0.5:8554/session=0' file='\\192.168.0.5:8554\session=0' core debug: looking for access_demux module matching "rtsp": 12 candidates live555 debug: version 2014.07.25 lua debug: Trying Lua scripts in C:\Users\curob\AppData\Roaming\vlc\lua\meta\fetcher lua debug: Trying Lua scripts in C:\Users\curob\AppData\Roaming\vlc\lua\meta\fetcher lua debug: Trying Lua scripts in C:\Program Files (x86)\VideoLAN\VLC\lua\meta\fetcher lua debug: Trying Lua scripts in C:\Program Files (x86)\VideoLAN\VLC\lua\meta\fetcher lua debug: Trying Lua playlist script C:\Program Files (x86)\VideoLAN\VLC\lua\meta\fetcher\tvrage.luac lua debug: Trying Lua playlist script C:\Program Files (x86)\VideoLAN\VLC\lua\meta\fetcher\tvrage.luac lua debug: skipping script (unmatched scope) C:\Program Files (x86)\VideoLAN\VLC\lua\meta\fetcher\tvrage.luac core debug: no meta fetcher modules matched core debug: searching art for rtsp://192.168.0.5:8554/session=0 lua debug: skipping script (unmatched scope) C:\Program Files (x86)\VideoLAN\VLC\lua\meta\fetcher\tvrage.luac core debug: looking for art finder module matching "any": 2 candidates core debug: no meta fetcher modules matched core debug: searching art for rtsp://192.168.0.5:8554/session=0 core debug: looking for art finder module matching "any": 2 candidates lua debug: Trying Lua scripts in C:\Users\curob\AppData\Roaming\vlc\lua\meta\art lua debug: Trying Lua scripts in C:\Users\curob\AppData\Roaming\vlc\lua\meta\art lua debug: Trying Lua scripts in C:\Program Files (x86)\VideoLAN\VLC\lua\meta\art lua debug: Trying Lua scripts in C:\Program Files (x86)\VideoLAN\VLC\lua\meta\art qt4 debug: IM: Setting an input lua debug: Trying Lua playlist script C:\Program Files (x86)\VideoLAN\VLC\lua\meta\art\00_musicbrainz.luac lua debug: Trying Lua playlist script C:\Program Files (x86)\VideoLAN\VLC\lua\meta\art\00_musicbrainz.luac lua debug: skipping script (unmatched scope) C:\Program Files (x86)\VideoLAN\VLC\lua\meta\art\00_musicbrainz.luac lua debug: Trying Lua playlist script C:\Program Files (x86)\VideoLAN\VLC\lua\meta\art\01_googleimage.luac lua debug: skipping script (unmatched scope) C:\Program Files (x86)\VideoLAN\VLC\lua\meta\art\00_musicbrainz.luac lua debug: Trying Lua playlist script C:\Program Files (x86)\VideoLAN\VLC\lua\meta\art\01_googleimage.luac lua debug: skipping script (unmatched scope) C:\Program Files (x86)\VideoLAN\VLC\lua\meta\art\01_googleimage.luac lua debug: Trying Lua playlist script C:\Program Files (x86)\VideoLAN\VLC\lua\meta\art\02_frenchtv.luac lua debug: skipping script (unmatched scope) C:\Program Files (x86)\VideoLAN\VLC\lua\meta\art\01_googleimage.luac lua debug: Trying Lua playlist script C:\Program Files (x86)\VideoLAN\VLC\lua\meta\art\02_frenchtv.luac lua debug: skipping script (unmatched scope) C:\Program Files (x86)\VideoLAN\VLC\lua\meta\art\02_frenchtv.luac lua debug: Trying Lua playlist script C:\Program Files (x86)\VideoLAN\VLC\lua\meta\art\03_lastfm.luac lua debug: skipping script (unmatched scope) C:\Program Files (x86)\VideoLAN\VLC\lua\meta\art\02_frenchtv.luac lua debug: skipping script (unmatched scope) C:\Program Files (x86)\VideoLAN\VLC\lua\meta\art\03_lastfm.luac lua debug: Trying Lua playlist script C:\Program Files (x86)\VideoLAN\VLC\lua\meta\art\03_lastfm.luac core debug: no art finder modules matched core debug: art not found for rtsp://192.168.0.5:8554/session=0 lua debug: skipping script (unmatched scope) C:\Program Files (x86)\VideoLAN\VLC\lua\meta\art\03_lastfm.luac core debug: no art finder modules matched core debug: art not found for rtsp://192.168.0.5:8554/session=0 live555 debug: RTP subsession 'audio/OPUS' core debug: selecting program id=0 live555 debug: setup start: 0.000000 stop:0.000000 live555 debug: play start: 0.000000 stop:0.000000 core debug: using access_demux module "live555" core debug: looking for decoder module matching "any": 43 candidates mft error: Could not find suitable MFT decoder core debug: no decoder modules matched core error: could not identify codec core debug: killing decoder fourcc `undf', 0 PES in FIFO core debug: looking for meta reader module matching "any": 2 candidates lua debug: Trying Lua scripts in C:\Users\curob\AppData\Roaming\vlc\lua\meta\reader lua debug: Trying Lua scripts in C:\Program Files (x86)\VideoLAN\VLC\lua\meta\reader lua debug: Trying Lua playlist script C:\Program Files (x86)\VideoLAN\VLC\lua\meta\reader\filename.luac core debug: no meta reader modules matched core debug: `rtsp://192.168.0.5:8554/session=0' successfully opened live555 error: SETUP of'audio/OPUS' failed 400 Bad Request live555 error: Nothing to play for rtsp://192.168.0.5:8554/session=0 live555 error: TCP rollover failed, aborting
I understand the final error ("TCP rollover failed, aborting") because my server does not currently support TCP streaming. However, I do not understand why VLC cannot find an opus codec as it is one of the formats that is supported by the player.

Any help on this would be greatly appreciated. If it matters, I am running VLC on a Windows 7 64-bit computer.
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