1. 24 Apr, 2017 1 commit
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  5. 31 May, 2016 1 commit
    • foo86's avatar
      avcodec/dca: require checked bitstream reader · d1f558b3
      foo86 authored
      Remove half-working attempt at supporting unchecked bitstream reader by
      always copying input data into intermediate buffer with large amount of
      padding at the end.
      
      Convert LBR decoder to checked bitstream reader. Convert
      dcadec_decode_frame() to parse input data directly if possible.
      Signed-off-by: 's avatarJames Almer <jamrial@gmail.com>
      d1f558b3
  6. 21 May, 2016 1 commit
    • foo86's avatar
      avcodec/dca: simplify 'residual ok' flag tracking · 801dbf02
      foo86 authored
      Move this from separate structure field to a packet flag.
      
      Behavior should be equivalent, except that residual flag is now properly
      cleared when packet has no core frame at all.
      
      Also print a message when forcing recovery mode due to invalid residual
      to make debugging easier.
      Signed-off-by: 's avatarJames Almer <jamrial@gmail.com>
      801dbf02
  7. 20 May, 2016 1 commit
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  15. 31 Dec, 2015 1 commit
  16. 24 Dec, 2015 1 commit
  17. 23 Dec, 2015 1 commit
    • Alexandra Hájková's avatar
      dca: change the core to work with integer coefficients. · aebf0707
      Alexandra Hájková authored
      The DCA core decoder converts integer coefficients read from the
      bitstream to floats just after reading them (along with dequantization).
      All the other steps of the audio reconstruction are done with floats
      which makes the output for the DTS lossless extension (XLL)
      actually lossy.
      This patch changes the DCA core to work with integer coefficients
      until QMF. At this point the integer coefficients are converted to floats.
      The coefficients for the LFE channel (lfe_data) are not touched.
      This is the first step for the really lossless XLL decoding.
      aebf0707
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