} VAPictureParameterBufferHEVC;
/**
+ * \brief HEVC Decoding Picture Parameter Buffer Structure for Range Extension
+ *
+ * This structure conveys picture level HEVC Range Extension parameters
+ * and should be sent once per frame. This data structure should be sent
+ * together with VAPictureParameterBufferHEVC in a single buffer of
+ * \ref VAPictureParameterBufferHEVCExtension since each frame
+ * of HEVC range extension contains both picture level parameters and picture
+ * level range extension parameters. They should be parsed together. The buffer
+ * type is same as \ref VAPictureParameterBufferHEVC.
+ *
+ */
+typedef struct _VAPictureParameterBufferHEVCRext
+{
+ union
+ {
+ struct
+ {
+ /** \brief HEVC range extension flags
+ * The following flags bears the same syntax and semantics as
+ * those defined in HEVC bit stream spec.
+ */
+ uint32_t transform_skip_rotation_enabled_flag : 1;
+ uint32_t transform_skip_context_enabled_flag : 1;
+ uint32_t implicit_rdpcm_enabled_flag : 1;
+ uint32_t explicit_rdpcm_enabled_flag : 1;
+ uint32_t extended_precision_processing_flag : 1;
+ uint32_t intra_smoothing_disabled_flag : 1;
+ uint32_t high_precision_offsets_enabled_flag : 1;
+ uint32_t persistent_rice_adaptation_enabled_flag : 1;
+ uint32_t cabac_bypass_alignment_enabled_flag : 1;
+ uint32_t cross_component_prediction_enabled_flag : 1;
+ uint32_t chroma_qp_offset_list_enabled_flag : 1;
+
+ /** \brief Reserved bytes for future use, must be zero */
+ uint32_t reserved : 21;
+ } bits;
+ uint32_t value;
+ } range_extension_pic_fields;
+
+ /** \brief HEVC range extension flags
+ * The following flags bears the same syntax and semantics as
+ * those defined in HEVC bit stream spec.
+ */
+ uint8_t diff_cu_chroma_qp_offset_depth;
+ uint8_t chroma_qp_offset_list_len_minus1;
+ uint8_t log2_sao_offset_scale_luma;
+ uint8_t log2_sao_offset_scale_chroma;
+ uint8_t log2_max_transform_skip_block_size_minus2;
+ int8_t cb_qp_offset_list[6];
+ int8_t cr_qp_offset_list[6];
+} VAPictureParameterBufferHEVCRext;
+
+/**
+ *\brief HEVC Decoding Picture Parameter Buffer Structure for
+ *Screen Content extension
+ *
+ *This structure conveys picture level HEVC Scc parameters
+ *and should be sent once per frame. This data structure should be sent
+ *together with VAPictureParameterBufferHEVC and VAPictureParameterBufferHEVCRext
+ *in a single buffer of \ref VAPictureParameterBufferHEVCExtension since each
+ *frame of HEVC SCC contains picture level parameters, picture level range
+ *extension parameters and picture level Scc parameters. They should be parsed
+ *together and the buffer type is same as \ref VAPictureParameterBufferHEVC.
+ *
+ */
+typedef struct _VAPictureParameterBufferHEVCScc
+{
+ union
+ {
+ struct
+ {
+ /** \brief HEVC Scc extension flags
+ * The following flags bears the same syntax and semantics as
+ * those defined in HEVC bit stream spec.
+ */
+ /* indicates if intra block copy (IBC) is enabled or not. */
+ uint32_t pps_curr_pic_ref_enabled_flag : 1;
+ /* indicates if Palette Mode is enabled or not. */
+ uint32_t palette_mode_enabled_flag : 1;
+ /* controls the presence and inference of the use_integer_mv_flag syntax
+ * in slice segment header that specifies the resolution of motion
+ * vectors for inter prediction.
+ */
+ uint32_t motion_vector_resolution_control_idc : 2;
+ /* specifies that the intra boundary filtering process is
+ * disabled or not for intra prediction.
+ */
+ uint32_t intra_boundary_filtering_disabled_flag : 1;
+ /* specifies that an adaptive colour transform may be applied
+ * to the residual in the decoding process.
+ */
+ uint32_t residual_adaptive_colour_transform_enabled_flag : 1;
+
+ /* specifies that slice_act_y_qp_offset, slice_act_cb_qp_offset,
+ * slice_act_cr_qp_offset are present in the slice header
+ */
+ uint32_t pps_slice_act_qp_offsets_present_flag : 1;
+
+ /** \brief Reserved bytes for future use, must be zero */
+ uint32_t reserved : 25;
+ } bits;
+ uint32_t value;
+ } screen_content_pic_fields;
+
+ /* specifies the maximum allowed palette size. */
+ uint8_t palette_max_size;
+ /* Correspond to HEVC syntax elements of the same names.
+ * It specifies the difference between the maximum allowed palette
+ * predictor size and the maximum allowed palette size.
+ * App needs to enforce that the variable PaletteMaxPredictorSize,
+ * which is derived as follows:
+ * PaletteMaxPredictorSize = palette_max_size + delta_palette_max_predictor_size
+ * should have a value range of [0..128].
+ */
+ uint8_t delta_palette_max_predictor_size;
+ /** \brief Size of initial palette predictor.
+ * It is derived from pps_num_palette_predictor_initializer or
+ * sps_num_palette_predictor_initializer_minus1.
+ * Details in HEVC SCC spec section 9.3.2.3.
+ */
+ uint8_t predictor_palette_size;
+ /** \brief Palette predictor initializer.
+ * It is derived from pps_palette_predictor_initializers[][]
+ * or sps_palette_predictor_initializers[][].
+ * Details in HEVC SCC spec section 9.3.2.3.
+ */
+ uint16_t predictor_palette_entries[3][128];
+ /* are used to determine the offsets that are applied to the
+ * quantization parameter values for the luma, Cb and Cr
+ * components, respectively.
+ */
+ int8_t pps_act_y_qp_offset_plus5;
+ int8_t pps_act_cb_qp_offset_plus5;
+ int8_t pps_act_cr_qp_offset_plus3;
+} VAPictureParameterBufferHEVCScc;
+
+/**
+ * \brief HEVC Decoding Picture Parameter Buffer Structure including Extensions
+ *
+ * This structure conveys picture level HEVC parameters including basic version 1
+ * and range extension and screen content extension.
+ * The data buffer should be sent once per frame.
+ *
+ */
+typedef struct _VAPictureParameterBufferHEVCExtension
+{
+ /** \brief basic HEVC picture parameters data structure
+ */
+ VAPictureParameterBufferHEVC base;
+
+ /** \brief HEVC range extension picture parameters data structure
+ */
+ VAPictureParameterBufferHEVCRext rext;
+
+ /** \brief HEVC screen content picture parameters data structure
+ */
+ VAPictureParameterBufferHEVCScc scc;
+} VAPictureParameterBufferHEVCExtension;
+
+/**
* \brief HEVC Slice Parameter Buffer Structure For Long Format
*
* VASliceParameterBufferHEVC structure should be accompanied by a
uint32_t va_reserved[VA_PADDING_LOW];
} VASliceParameterBufferHEVC;
+/**
+ * \brief HEVC Extented Slice Parameter Buffer Structure For Long Format
+ *
+ * This data structure contains extension profiles (range extension and screen content).
+ *
+ * VASliceParameterBufferHEVCRext structure should be accompanied by a
+ * slice data buffer, which holds the whole raw slice NAL unit bit streams
+ * including start code prefix and emulation prevention bytes not removed.
+ *
+ * This structure conveys parameters related to slice segment header and should
+ * be sent once per slice with VASliceParameterBufferHEVC in a single buffer of
+ * \ref VASliceParameterBufferHEVCExtension and the buffer type is same as \ref
+ * VASliceParameterBufferHEVC.
+ *
+ * For short format, this data structure is not sent by application.
+ *
+ */
+typedef struct _VASliceParameterBufferHEVCRext
+{
+ /* below four parameters are used to replace data types of the
+ * corresponding parameters of those in \# VASliceParameterBufferHEVC.
+ */
+ int16_t luma_offset_l0[15];
+ int16_t ChromaOffsetL0[15][2];
+ int16_t luma_offset_l1[15];
+ int16_t ChromaOffsetL1[15][2];
+
+ union
+ {
+ struct
+ {
+ uint32_t cu_chroma_qp_offset_enabled_flag : 1;
+ uint32_t use_integer_mv_flag : 1;
+ /** \brief Reserved bytes for future use, must be zero */
+ uint32_t reserved : 30;
+ } bits;
+ uint32_t value;
+ } slice_ext_flags;
+
+ /** \brief Screen Content Extension parameters.
+ * data range [-12..12]
+ */
+ int8_t slice_act_y_qp_offset;
+ int8_t slice_act_cb_qp_offset;
+ int8_t slice_act_cr_qp_offset;
+} VASliceParameterBufferHEVCRext;
+
+/**
+ * \brief HEVC Decoding Slice Parameter Buffer Structure For Long Format including Extensions
+ *
+ * This data structure contains both baseline HEVC profiles (main, main10)
+ * and extension profiles (range extension and screen content).
+ *
+ * VASliceParameterBufferHEVCExtension structure should be accompanied by a
+ * slice data buffer, which holds the whole raw slice NAL unit bit streams
+ * including start code prefix and emulation prevention bytes not removed.
+ *
+ * This structure conveys parameters related to slice segment header and should
+ * be sent once per slice. For HEVC range extension and HEVC Scc decoding,
+ * application should parse both basic slice parameters and extented slice
+ * parameters into this buffer structure and sent it.
+ *
+ * For short format, this data structure is not sent by application.
+ *
+ */
+typedef struct _VASliceParameterBufferHEVCExtension
+{
+ /** \brief baseline HEVC slice parameters data structure */
+ VASliceParameterBufferHEVC base;
+ /** \brief extented HEVC slice parameters data structure */
+ VASliceParameterBufferHEVCRext rext;
+} VASliceParameterBufferHEVCExtension;
/**
* \brief HEVC Inverse Quantization Matrix Buffer Structure
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