--- /dev/null
+/*
+ * Copyright (c) 2007-2012 Intel Corporation. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file va_dec_vp.h
+ * \brief VP8 decoding API
+ *
+ * This file contains the \ref api_dec_vp8 "VP8 decoding API".
+ */
+
+#ifndef VA_DEC_VP8_H
+#define VA_DEC_VP8_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup api_dec_vp8 VP8 decoding API
+ *
+ * @{
+ */
+
+/**
+ * \brief VPX Bool Coder Context structure
+ *
+ * This common structure is defined for potential sharing by other VP formats
+ *
+ */
+typedef struct _VABoolCoderContextVPX
+{
+ /* partition 0 "range" */
+ unsigned short range;
+ /* partition 0 "value" */
+ unsigned int value;
+ /* partition 0 number of shifts before an output byte is available */
+ unsigned short count;
+} VABoolCoderContextVPX;
+
+/**
+ * \brief VP8 Decoding Picture Parameter Buffer Structure
+ *
+ * This structure conveys frame level parameters and should be sent once
+ * per frame.
+ *
+ */
+typedef struct _VAPictureParameterBufferVP8
+{
+ /* frame width in pixels */
+ unsigned int frame_width;
+ /* frame height in pixels */
+ unsigned int frame_height;
+
+ /* specifies the "last" reference frame */
+ VASurfaceID last_ref_frame;
+ /* specifies the "golden" reference frame */
+ VASurfaceID golden_ref_frame;
+ /* specifies the "alternate" referrence frame */
+ VASurfaceID alt_ref_frame;
+ /* specifies the out-of-loop deblocked frame, not used currently */
+ VASurfaceID out_of_loop_frame;
+
+ union {
+ struct {
+ /* same as key_frame in bitstream syntax */
+ unsigned int key_frame : 1;
+ /* same as version in bitstream syntax */
+ unsigned int version : 3;
+ /* same as segmentation_enabled in bitstream syntax */
+ unsigned int segmentation_enabled : 1;
+ /* same as update_mb_segmentation_map in bitstream syntax */
+ unsigned int update_mb_segmentation_map : 1;
+ /* same as update_segment_feature_data in bitstream syntax */
+ unsigned int update_segment_feature_data : 1;
+ /* same as filter_type in bitstream syntax */
+ unsigned int filter_type : 1;
+ /* same as sharpness_level in bitstream syntax */
+ unsigned int sharpness_level : 3;
+ /* same as loop_filter_adj_enable in bitstream syntax */
+ unsigned int loop_filter_adj_enable : 1;
+ /* same as mode_ref_lf_delta_update in bitstream syntax */
+ unsigned int mode_ref_lf_delta_update : 1;
+ /* same as sign_bias_golden in bitstream syntax */
+ unsigned int sign_bias_golden : 1;
+ /* same as sign_bias_alternate in bitstream syntax */
+ unsigned int sign_bias_alternate : 1;
+ /* same as mb_no_coeff_skip in bitstream syntax */
+ unsigned int mb_no_coeff_skip : 1;
+ /* see section 11.1 for mb_skip_coeff */
+ unsigned int mb_skip_coeff : 1;
+ /* flag to indicate that loop filter should be disabled */
+ unsigned int loop_filter_disable : 1;
+ } bits;
+ unsigned int value;
+ } pic_fields;
+
+ /*
+ * probabilities of the segment_id decoding tree and same as
+ * mb_segment_tree_probs in the spec.
+ */
+ unsigned char mb_segment_tree_probs[3];
+
+ /* Post-adjustment loop filter levels for the 4 segments */
+ unsigned char loop_filter_level[4];
+ /* loop filter deltas for reference frame based MB level adjustment */
+ char loop_filter_deltas_ref_frame[4];
+ /* loop filter deltas for coding mode based MB level adjustment */
+ char loop_filter_deltas_mode[4];
+
+ /* same as prob_skip_false in bitstream syntax */
+ unsigned char prob_skip_false;
+ /* same as prob_intra in bitstream syntax */
+ unsigned char prob_intra;
+ /* same as prob_last in bitstream syntax */
+ unsigned char prob_last;
+ /* same as prob_gf in bitstream syntax */
+ unsigned char prob_gf;
+
+ /*
+ * list of 4 probabilities of the luma intra prediction mode decoding
+ * tree and same as y_mode_probs in frame header
+ */
+ unsigned char y_mode_probs[4];
+ /*
+ * list of 3 probabilities of the chroma intra prediction mode decoding
+ * tree and same as uv_mode_probs in frame header
+ */
+ unsigned char uv_mode_probs[3];
+ /*
+ * updated mv decoding probabilities and same as mv_probs in
+ * frame header
+ */
+ unsigned char mv_probs[2][19];
+
+ VABoolCoderContextVPX bool_coder_ctx;
+
+ /* Partitions */
+ unsigned char num_of_partitions;
+ unsigned int partition_size[9];
+
+ /*
+ * offset to the first bit of MB from the first byte of slice data buffer
+ */
+ unsigned int macroblock_offset;
+
+} VAPictureParameterBufferVP8;
+
+/**
+ * \brief VP8 Coefficient Probability Data Buffer Structure
+ *
+ * Contains the contents of the token probability table, which may be
+ * incrementally modified in the frame header. There are four dimensions to
+ * the token probability array. The outermost dimension is indexed by the
+ * type of plane being decoded; the next dimension is selected by the
+ * position of the coefficient being decoded; the third dimension, * roughly
+ * speaking, measures the "local complexity" or extent to which nearby
+ * coefficients are non-zero; the fourth, and final, dimension of the token
+ * probability array is indexed by the position in the token tree structure,
+ * as are all tree probability arrays. This structure is sent once per frame.
+ *
+ */
+typedef struct _VAProbabilityDataBufferVP8
+{
+ unsigned char dct_coeff_probs[4][8][3][11];
+} VAProbabilityDataBufferVP8;
+
+/**
+ * \brief VP8 Inverse Quantization Matrix Buffer Structure
+ *
+ * Contains quantization indices for yac(0),ydc(1),y2dc(2),y2ac(3),uvdc(4),
+ * uvac(5) for each segment (0-3). When segmentation is disabled, only
+ * quantization_index[0][] will be used. This structure is sent once per frame.
+ */
+typedef struct _VAIQMatrixBufferVP8
+{
+ /*
+ * array first dimensional is segment and 2nd dimensional is Q index
+ */
+ unsigned short quantization_index[4][6];
+} VAIQMatrixBufferVP8;
+
+/**@}*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* VA_DEC_VP8_H */
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