diff options
| -rw-r--r-- | va/va.h | 37 |
1 files changed, 37 insertions, 0 deletions
@@ -604,6 +604,21 @@ typedef enum */ VAConfigAttribProcessingRate = 27, /** + * \brief Encoding dirty region-of-interest. Read-only. + * + * This attribute conveys whether the driver supports dirty region-of-interest (ROI) + * encoding, based on user provided ROI rectangles which indicate the rectangular areas + * where the content has changed as compared to the previous picture. The regions of the + * picture that are not covered by dirty ROI rectangles are assumed to have not changed + * compared to the previous picture. The encoder may do some optimizations based on + * this information. The attribute value returned indicates the number of regions that + * are supported. e.g. A value of 0 means dirty ROI encoding is not supported. If dirty + * ROI encoding is supported, the ROI information is passed to the driver using + * VAEncMiscParameterTypeDirtyROI. + */ + VAConfigAttribEncDirtyROI = 28, + + /** * \brief Intel specific attributes start at 1001 */ /** @@ -1432,6 +1447,8 @@ typedef enum VAEncMiscParameterTypeCIR = 11, /** \brief Buffer type used for temporal layer structure */ VAEncMiscParameterTypeTemporalLayerStructure = 12, + /** \brief Buffer type used for dirty region-of-interest (ROI) parameters. */ + VAEncMiscParameterTypeDirtyROI = 13, /* Intel specific types start at 1001 */ /* VAEntrypointEncFEIIntel */ @@ -1791,6 +1808,26 @@ typedef struct _VAEncMiscParameterBufferROI { VAEncROI *roi; } VAEncMiscParameterBufferROI; +/* + * \brief Dirty region-of-interest (ROI) data structure for encoding. + * + * The encoding dirty ROI can be set through VAEncMiscParameterBufferDirtyROI, if the + * implementation supports dirty ROI input. The ROI set through this structure is applicable + * only to the current frame or field, so must be sent every frame or field to be applied. + * The number of supported ROIs can be queried through the VAConfigAttribEncDirtyROI. The + * encoder will use the ROI information to know those rectangle areas have changed while the + * areas not covered by dirty ROI rectangles are assumed to have not changed compared to the + * previous picture. The encoder may do some internal optimizations. + */ +typedef struct _VAEncMiscParameterBufferDirtyROI +{ + /** \brief Number of ROIs being sent.*/ + unsigned int num_roi_rectangle; + + /** \brief Pointer to a VARectangle array with num_roi_rectangle elements.*/ + VARectangle *roi_rectangle; +} VAEncMiscParameterBufferDirtyROI; + /** * There will be cases where the bitstream buffer will not have enough room to hold * the data for the entire slice, and the following flags will be used in the slice |