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Diffstat (limited to 'src/gallium/auxiliary/vl/vl_video_buffer.h')
| -rw-r--r-- | src/gallium/auxiliary/vl/vl_video_buffer.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/vl/vl_video_buffer.h b/src/gallium/auxiliary/vl/vl_video_buffer.h index 488c3cc..8a1c077 100644 --- a/src/gallium/auxiliary/vl/vl_video_buffer.h +++ b/src/gallium/auxiliary/vl/vl_video_buffer.h @@ -48,6 +48,24 @@ struct vl_video_buffer struct pipe_surface *surfaces[VL_MAX_SURFACES]; }; +static inline void +vl_video_buffer_adjust_size(unsigned *width, unsigned *height, unsigned plane, + enum pipe_video_chroma_format chroma_format, + bool interlaced) +{ + if (interlaced) { + *height /= 2; + } + if (plane > 0) { + if (chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420) { + *width /= 2; + *height /= 2; + } else if (chroma_format == PIPE_VIDEO_CHROMA_FORMAT_422) { + *width /= 2; + } + } +} + /** * get subformats for each plane */ |