Commit 6695f178 authored by Vittorio Giovara's avatar Vittorio Giovara

pixdesc: Use AV_CEIL_RSHIFT in documentation

parent 1546a41a
...@@ -84,16 +84,16 @@ typedef struct AVPixFmtDescriptor { ...@@ -84,16 +84,16 @@ typedef struct AVPixFmtDescriptor {
/** /**
* Amount to shift the luma width right to find the chroma width. * Amount to shift the luma width right to find the chroma width.
* For YV12 this is 1 for example. * For YV12 this is 1 for example.
* chroma_width = -((-luma_width) >> log2_chroma_w) * chroma_width = AV_CEIL_RSHIFT(luma_width, log2_chroma_w)
* The note above is needed to ensure rounding up. * The note above is needed to ensure rounding up.
* This value only refers to the chroma components. * This value only refers to the chroma components.
*/ */
uint8_t log2_chroma_w; ///< chroma_width = -((-luma_width )>>log2_chroma_w) uint8_t log2_chroma_w;
/** /**
* Amount to shift the luma height right to find the chroma height. * Amount to shift the luma height right to find the chroma height.
* For YV12 this is 1 for example. * For YV12 this is 1 for example.
* chroma_height= -((-luma_height) >> log2_chroma_h) * chroma_height= AV_CEIL_RSHIFT(luma_height, log2_chroma_h)
* The note above is needed to ensure rounding up. * The note above is needed to ensure rounding up.
* This value only refers to the chroma components. * This value only refers to the chroma components.
*/ */
......
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