add hevc subsets parameters structure

add hevc decoding subsets parameter buffer and syntax element related with entry point in hevc picture parameter structure

Signed-off-by: Zhengguo.Xu <zhengguo.xu@intel.com>

2 files changed, 18 insertions, 1 deletions

diff --git a/va/va.h b/va/va.h
index f075836..a4e56ca 100644
--- a/va/va.h
+++ b/va/va.h
@@ -1640,6 +1640,19 @@ typedef enum
     /** decode stream out buffer, intermedia data of decode, it may include MV, MB mode etc.
       * it can be used to detect motion and analyze the frame contain  */
     VADecodeStreamoutBufferType             = 56,
+
+    /** \brief HEVC Decoding Subset Parameter buffer type
+     *
+     * The subsets parameter buffer is concatenation with one or multiple
+     * subset entry point offsets. All the offset values are layed out one
+     * by one according to slice order with first slice segment first, second
+     * slice segment second, etc... The entry number is indicated by parameter
+     * \ref num_entry_point_offsets. And the first entry position of the entry
+     * point offsets for any slice segment is indicated by parameter
+     * entry_offset_to_subset_array in VAPictureParameterBufferHEVC data structure.
+     */
+    VASubsetsParameterBufferType        = 57,
+
     VABufferTypeMax
 } VABufferType;
 
diff --git a/va/va_dec_hevc.h b/va/va_dec_hevc.h
index 9072caf..25234f1 100644
--- a/va/va_dec_hevc.h
+++ b/va/va_dec_hevc.h
@@ -481,10 +481,14 @@ typedef struct  _VASliceParameterBufferHEVC
     int8_t                  ChromaOffsetL1[15][2];
     /** HEVC syntax element. */
     uint8_t                 five_minus_max_num_merge_cand;
+    /** HEVC syntax element. */
+    uint16_t                 num_entry_point_offsets;
+    /** HEVC syntax element. */
+    uint16_t                 entry_offset_to_subset_array;
     /**@}*/
 
     /** \brief Reserved bytes for future use, must be zero */
-    uint32_t                va_reserved[VA_PADDING_LOW];
+    uint32_t                va_reserved[VA_PADDING_LOW - 1];
 } VASliceParameterBufferHEVC;
 
 /**