Implement Chroma-from-Luma (#492)
* Add the chroma-from-luma predictor and a test * Add benchmarks for CfL predictor * Implement CfL signalling * Plumb from predict_intra to pred_cfl * Add struct for CfL parameters * Compute subsampled luma AC and plumb it with CfL alpha * Plumb CfL parameters up to RDO * Add CfL to RDO loop, no parameter search
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- benches/bench.rs 6 additions, 2 deletionsbenches/bench.rs
- benches/comparative/mod.rs 3 additions, 1 deletionbenches/comparative/mod.rs
- benches/comparative/predict.rs 26 additions, 1 deletionbenches/comparative/predict.rs
- benches/predict.rs 13 additions, 0 deletionsbenches/predict.rs
- src/context.rs 102 additions, 1 deletionsrc/context.rs
- src/encoder.rs 71 additions, 14 deletionssrc/encoder.rs
- src/partition.rs 29 additions, 7 deletionssrc/partition.rs
- src/predict.rs 79 additions, 0 deletionssrc/predict.rs
- src/rdo.rs 8 additions, 2 deletionssrc/rdo.rs
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