Vittorio Giovara
9 years ago
1 changed files with 3 additions and 3 deletions
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+3 -3libavutil/pixdesc.h
+ 3
- 3
libavutil/pixdesc.h
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| @@ -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. | ||||
| */ | */ | ||||