1. 25 Apr, 2018 1 commit
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  19. 26 Feb, 2016 3 commits
  20. 03 Feb, 2016 1 commit
    • Vincent Penquerc'h's avatar
      opus: fix FEC · 1ef601e7
      Vincent Penquerc'h authored
      FEC may only be used when PLC is enabled on the audio decoder,
      as it relies on empty buffers to generate audio from the next
      buffer. Hooking to the gap events doesn't work as the audio
      decoder does not like more buffers output than it sends.
      
      The length of data to generate using FEC from the next packet
      is determined by rounding the gap duration to nearest. This
      ensures that duration imprecision does not cause quantization
      to 2.5 milliseconds less than available. Doing so causes the
      Opus API to fail decoding. Such duration imprecision is common
      in live cases.
      
      The buffer to consider when determining the length of audio
      to be decoded is the previous buffer when using FEC, and the
      new buffer otherwise. In the FEC case, this means we determine
      the amount of audio from the previous buffer, whether it was
      missing or not (and get the data either from this buffer, or
      the current one if the previous one was missing).
      1ef601e7
  21. 02 Feb, 2016 1 commit
  22. 15 Dec, 2015 1 commit
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  25. 05 Nov, 2015 1 commit
    • Sebastian Dröge's avatar
      opusdec: Update sink pad templates · dd741e64
      Sebastian Dröge authored
      We always require the channel-mapping-field. If it's 0 we require nothing
      else, otherwise we need channels, stream-count and coupled count to be
      available.
      dd741e64
  26. 03 Nov, 2015 8 commits