OpusTodo: Difference between revisions

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== Code ==
== 1.0.2 ==


=== For IETF draft ===
* multi-frame FEC/PLC fix
* Multi-channel signalling (done, needs more testing)
* PLC fix
* Make opus-compare fail for single seriously trashed frames?
* opus_packet_get_duration()
* OPUS_GET_FRAME_SIZE() for decoder??
* <strike>Add license headers to all dist files</strike> DONE
* <strike>Fix remaining build issues with MSVC</strike> DONE
* <strike>Add OPUS_EXPORT override for chrome</strike> DONE


== SILK issues ==
== 1.1-beta ==
* <s>CLANG ARITHMETIC UNDEFINED at <silk/decode_core.c, (108:40)> : Op: *, Reason : Signed Multiplication Overflow, BINARY OPERATION: left (int32): 916258817 right (int32): -3 </s>
* <s>CLANG ARITHMETIC UNDEFINED at <silk/decode_core.c, (108:40)> : Op: +, Reason : Signed Addition Overflow, BINARY OPERATION: left (int32): -418535217 right (int32): -1832517634</s>


=== Later ===
* tune transient detector
* Usable command-line tools (<s>opus is a major regression from libcelt right now</s>)
* variable frame size?
* Smart automatic mode decision
* LOTS of testing
* psymodel based VBR
* re-tune hybrid rate allocation
* Remove copy in inverse MDCT
* re-tune mode switching decisions
* Save some float<->int conversions
* figure out how to use speech/music detection optimally
* everything from 1.0.2
 
== Lower priority ==
 
* Handle packets with PLC frames followed by FEC
* Better handling for the case where FEC has a different bandwidth than the current mode
* PLC transitions on unprotected SILK-SILK bandwidth changes?


== Spec ==
== Spec ==
* Ogg mapping. See [[http://tools.ietf.org/html/draft-ietf-codec-oggopus IETF draft]]
* Matroska mapping. See: [[MatroskaOpus]]
* RTP payload format See [[http://tools.ietf.org/html/draft-spittka-payload-rtp-opus IETF draft]]


* Finish codec draft
== Website ==
* Ogg mapping (including multi-channel). See: [[OggOpus]]
* De-uglify webpage - some suggestions: write about codecs obsoleted by OPUS (Speex, CELT, Vorbis(?), and the prop. ones), write about implementations (is there only one so far?), comparison table (Opus, Vorbis, Speex, ..., MP5) of features (channels, freq, bits per sample, license, language (C89), integer impl. (Vorbis decoder only, Opus YES, ...), future use in video files (Theora? Dirac? WebM? other future codecs...), audio files for storage (like Vorbis, no raw Opus defined, only inside OGG), ...  
* RTP payload format
* Promotional material (some nice free or Public domain sounds in Opus format)


== Other ==
== Other ==


* Logo
* Test vectors
* Listening tests
* Documentation (at a minimum every exported symbol should have complete and accurate documentation)
* Add content to opus-codec.org
** The above documentation
** Presentations
** Examples and test results  (hyperlink to Monty's demo, gmaxwell's HA results page, etc)
* Oggz-validate (should also validate opus toc)
* Oggz-validate (should also validate opus toc)


== Opus-tools ==
== Opus-tools ==
* Build infrastructure (e.g. autotools)
* A simple real time streaming example tool
* A simple real time streaming example tool
* Multichannel support
* Replaygain (half done— needs a gain tool)
* Replaygain
* Testing (incl. jenkins automation)


== Third party software ==
== Experiments ==
* Support in ekiga
 
* Support in mumble
* Test exp_analysis and void_my_warranty.patch
* Support in asterisk
 
* Support in firefox (rtcweb and in ogg)
 
* Support in VLC
== Future work ==
* Support in ogg123
* Smart automatic mode decision
* Support in ffmpeg
* psymodel based VBR
* Support in rockbox
* Remove copy in inverse MDCT
* Support in foobar2000
* Save some float<->int conversions
* Support in gstreamer
* Improvements to LP mode CBR (greg has some code)
* Support in mplayer
* Support in xmms
* Support in oggdsf
* Support in xiphqt

Revision as of 09:11, 22 December 2012

1.0.2

  • multi-frame FEC/PLC fix
  • PLC fix
  • opus_packet_get_duration()
  • OPUS_GET_FRAME_SIZE() for decoder??
  • Add license headers to all dist files DONE
  • Fix remaining build issues with MSVC DONE
  • Add OPUS_EXPORT override for chrome DONE

1.1-beta

  • tune transient detector
  • variable frame size?
  • LOTS of testing
  • re-tune hybrid rate allocation
  • re-tune mode switching decisions
  • figure out how to use speech/music detection optimally
  • everything from 1.0.2

Lower priority

  • Handle packets with PLC frames followed by FEC
  • Better handling for the case where FEC has a different bandwidth than the current mode
  • PLC transitions on unprotected SILK-SILK bandwidth changes?

Spec

Website

  • De-uglify webpage - some suggestions: write about codecs obsoleted by OPUS (Speex, CELT, Vorbis(?), and the prop. ones), write about implementations (is there only one so far?), comparison table (Opus, Vorbis, Speex, ..., MP5) of features (channels, freq, bits per sample, license, language (C89), integer impl. (Vorbis decoder only, Opus YES, ...), future use in video files (Theora? Dirac? WebM? other future codecs...), audio files for storage (like Vorbis, no raw Opus defined, only inside OGG), ...
  • Promotional material (some nice free or Public domain sounds in Opus format)

Other

  • Oggz-validate (should also validate opus toc)

Opus-tools

  • A simple real time streaming example tool
  • Replaygain (half done— needs a gain tool)

Experiments

  • Test exp_analysis and void_my_warranty.patch


Future work

  • Smart automatic mode decision
  • psymodel based VBR
  • Remove copy in inverse MDCT
  • Save some float<->int conversions
  • Improvements to LP mode CBR (greg has some code)