• Jingning Han's avatar
    Tile based adaptive mode search in RD loop · eee201c2
    Jingning Han authored
    Make the spatially adaptive mode search in rate-distortion
    optimization loop inter tile independent. Experiments suggest that
    this does not significantly change the coding staticstics.
    
    Single tile, speed 3:
    pedestrian_area 1080p 1500 kbps
    59192 b/f, 40.611 dB, 101689 ms
    
    blue_sky 1080p 1500 kbps
    58505 b/f, 36.347 dB, 62458 ms
    
    mobile_cal 720p 1000 kbps
    13335 b/f, 35.646 dB, 45655 ms
    
    as compared to 4 column tiles, speed 3:
    pedestrian_area 1080p 1500 kbps
    59329 b/f, 40.597 dB, 101917 ms
    
    blue_sky 1080p 1500 kbps
    58712 b/f, 36.320 dB, 62693 ms
    
    mobile_cal 720p 1000 kbps
    13191 b/f, 35.485 dB, 45319 ms
    
    Change-Id: I35c6e1e0a859fece8f4145dec28623cbc6a12325
    eee201c2
vp9_rdopt.c 153 KB