1. 09 Apr, 2017 1 commit
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  10. 31 Dec, 2015 1 commit
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  12. 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
  13. 14 Dec, 2015 1 commit
    • Janne Grunau's avatar
      arm64: convert dcadsp neon asm from arm · c33c1fa8
      Janne Grunau authored
      ~2% faster dts decoding overall.
      
                          cortex-a57   cortex-a53
      dca_decode_hf_c:    474.8        1659.9
      dca_decode_hf_neon: 225.2         301.1
      dca_lfe_fir0_c:     913.2        1537.7
      dca_lfe_fir0_neon:  286.8         451.9
      dca_lfe_fir1_c:     848.7        1711.5
      dca_lfe_fir1_neon:  387.1         506.4
      c33c1fa8
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