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jackychen authored
For real-time CBR mode, use model_rd_for_sb_y_large instead of model_rd_for_sb_y for 32x32 block. In the former model, transform might be skipped more aggressively in some condtions, which speeds up encoding time with only a little PSNR/SSIM drop on rtc test set. No obvious visual quality regression. PSNR effect on different speed setting: speed 8 rtc: 0.129% overall PSNR drop, 0.137% SSIM drop speed 7 rtc: 0.135% overall PSNR drop, 0.062% SSIM drop speed 5 rtc_derf: 0.105% overall PSNR drop, 0.095% SSIM drop Speed up: gips_motion_WHD, 1mbps: 3.29% faster on speed 7, 2.56% faster on speed8 gips_stat_WHD, 1mbps: 2.17% faster on speed 7, 1.62% faster on speed8 Change-Id: I902f62def225ea01c145d7e5a93497398b8f5edf
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