Amount to shift the luma height right to find the chroma height.
For YV12 this is 1 for example.
chroma_height= AV_CEIL_RSHIFT(luma_height, log2_chroma_h)
The note above is needed to ensure rounding up.
This value only refers to the chroma components.
Amount to shift the luma height right to find the chroma height. For YV12 this is 1 for example. chroma_height= AV_CEIL_RSHIFT(luma_height, log2_chroma_h) The note above is needed to ensure rounding up. This value only refers to the chroma components.