Add Daala TX to rectangular 32x64 and 64x32 transforms
This patch adds Daala TX transforms ot the 32x64 and 64x32 transform block sizes using Q3 (up 4, down 1) scaling. subset 1: monty-daalaTX-fulltest-Daalabaseline-s1@2017-11-07T00:01:46.582Z -> monty-daalaTX-LBD-Daala32x64-s1-Z@2017-11-07T06:10:58.523Z PSNR | PSNR Cb | PSNR Cr | PSNR HVS | SSIM | MS SSIM | CIEDE 2000 0.0112 | -0.0769 | 0.0799 | 0.0567 | 0.0099 | -0.0077 | -0.0446 objective 1 fast: monty-daalaTX-fulltest-Daalabaseline-o1f4@2017-11-07T05:59:16.553Z -> monty-daalaTX-LBD-Daala32x64-o1f4-Z@2017-11-07T06:10:11.519Z PSNR | PSNR Cb | PSNR Cr | PSNR HVS | SSIM | MS SSIM | CIEDE 2000 -0.0190 | 0.0926 | -0.0730 | -0.0516 | -0.0037 | -0.0588 | 0.1310 Change-Id: I6246ecba388ae81deadc7b306dc3404fa7869aab
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