• Monty Montgomery's avatar
    Separate quantizers used for quantization from RDO · 125c0fca
    Monty Montgomery authored
    Generalize quantizer setup so that quantization and TX can use
    different coefficient shifts/scalings without inpacting RDO lambda
    generation.
    
    This patch is documentaiton + a minor refactor setting up later
    work; it causes no functional change.
    
    monty-daalaTX-fulltest-Daalabaseline-o1f@2017-11-07T00:01:20.779Z ->
     monty-daalaTX-fulltest-DaalaRDO-o1f@2017-11-07T00:02:31.347Z
    
    PSNR | PSNR Cb | PSNR Cr | PSNR HVS | SSIM | MS SSIM | CIEDE 2000
     N/A |  0.0000 |  0.0000 |      N/A |  N/A |     N/A |        N/A
    (note-- the numbers above were collected using --cpu-used=3, which
     appears to be newly broken.)
    
    monty-daalaTX-fulltest-Daalabaseline-o1f4@2017-11-07T05:59:16.553Z ->
     monty-daalaTX-fulltest-DaalaRDO-o1f4@2017-11-07T05:59:50.180Z
    
      PSNR | PSNR Cb | PSNR Cr | PSNR HVS |   SSIM | MS SSIM | CIEDE 2000
    0.0000 |  0.0000 |  0.0000 |   0.0000 | 0.0000 |  0.0000 |     0.0000
    
    monty-daalaTX-fulltest-Daalabaseline-s1@2017-11-07T00:01:46.582Z ->
     monty-daalaTX-fulltest-DaalaRDO-s1@2017-11-07T00:02:56.282Z
    
      PSNR | PSNR Cb | PSNR Cr | PSNR HVS |   SSIM | MS SSIM | CIEDE 2000
    0.0000 |  0.0000 |  0.0000 |   0.0000 | 0.0000 |  0.0000 |     0.0000
    
    Change-Id: Ia5a3c052eacd17184ca1b0fe6d032cfb9afdb77f
    125c0fca
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