Add early termination in warp delta refinement - #5309
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Added a speed feature to early terminate the warp delta refinement loop if the rate-distortion cost improvement in a pass drops below 5%. Results for RA CTC, A1 17 frames, A2 33 frames, speed 1: (Anchor: 7c9dfba) ``` +-----+-------+-------+-------+-------+---------------+ |Class| Y | Cb | Cr | wAvg |EncInstCount(%)| +-----+-------+-------+-------+-------+---------------+ | A2 |-0.0004|-0.0367|-0.2123|-0.0103| 98.93 | | A1 |-0.0649| 0.1274| 0.0844|-0.0513| 98.89 | +-----+-------+-------+-------+-------+---------------+ ``` STATS_CHANGED for speed >= 1
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Added a speed feature to early terminate the warp
delta refinement loop if the rate-distortion cost
improvement in a pass drops below 5%.
Results for RA CTC, A1 17 frames, A2 33 frames,
speed 1: (Anchor: 7c9dfba)
STATS_CHANGED for speed >= 1