diff options
-rw-r--r-- | va/va_tpi.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/va/va_tpi.h b/va/va_tpi.h index 1fe4b8d..eb0b1d4 100644 --- a/va/va_tpi.h +++ b/va/va_tpi.h @@ -68,6 +68,31 @@ VAStatus vaPutSurfaceBuf ( unsigned int flags /* de-interlacing flags */ ); + +/* + * The surfaces could be shared and accessed with extern devices + * which has special requirements, e.g. stride alignment + * This API is used to force libVA video surfaces are allocated + * according to these external requirements + * Special API for V4L2 user pointer support + */ +VAStatus vaCreateSurfacesForUserPtr( + VADisplay dpy, + int width, + int height, + int format, + int num_surfaces, + VASurfaceID *surfaces, /* out */ + unsigned size, /* total buffer size need to be allocated */ + unsigned int fourcc, /* expected fourcc */ + unsigned int luma_stride, /* luma stride, could be width aligned with a special value */ + unsigned int chroma_u_stride, /* chroma stride */ + unsigned int chroma_v_stride, + unsigned int luma_offset, /* could be 0 */ + unsigned int chroma_u_offset, /* UV offset from the beginning of the memory */ + unsigned int chroma_v_offset +); + #ifdef __cplusplus } #endif |