typedef struct _VABoolCoderContextVPX
{
/* partition 0 "range" */
- unsigned char range;
+ uint8_t range;
/* partition 0 "value" */
- unsigned char value;
- /* partition 0 number of shifts before an output byte is available */
- unsigned char count;
+ uint8_t value;
+ /*
+ * 'partition 0 number of shifts before an output byte is available'
+ * it is the number of remaining bits in 'value' for decoding, range [0, 7].
+ */
+
+ uint8_t count;
} VABoolCoderContextVPX;
/**
typedef struct _VAPictureParameterBufferVP8
{
/* frame width in pixels */
- unsigned int frame_width;
+ uint32_t frame_width;
/* frame height in pixels */
- unsigned int frame_height;
+ uint32_t frame_height;
/* specifies the "last" reference frame */
VASurfaceID last_ref_frame;
union {
struct {
- /* same as key_frame in bitstream syntax */
- unsigned int key_frame : 1;
+ /* same as key_frame in bitstream syntax, 0 means a key frame */
+ uint32_t key_frame : 1;
/* same as version in bitstream syntax */
- unsigned int version : 3;
+ uint32_t version : 3;
/* same as segmentation_enabled in bitstream syntax */
- unsigned int segmentation_enabled : 1;
+ uint32_t segmentation_enabled : 1;
/* same as update_mb_segmentation_map in bitstream syntax */
- unsigned int update_mb_segmentation_map : 1;
+ uint32_t update_mb_segmentation_map : 1;
/* same as update_segment_feature_data in bitstream syntax */
- unsigned int update_segment_feature_data : 1;
+ uint32_t update_segment_feature_data : 1;
/* same as filter_type in bitstream syntax */
- unsigned int filter_type : 1;
+ uint32_t filter_type : 1;
/* same as sharpness_level in bitstream syntax */
- unsigned int sharpness_level : 3;
+ uint32_t sharpness_level : 3;
/* same as loop_filter_adj_enable in bitstream syntax */
- unsigned int loop_filter_adj_enable : 1;
+ uint32_t loop_filter_adj_enable : 1;
/* same as mode_ref_lf_delta_update in bitstream syntax */
- unsigned int mode_ref_lf_delta_update : 1;
+ uint32_t mode_ref_lf_delta_update : 1;
/* same as sign_bias_golden in bitstream syntax */
- unsigned int sign_bias_golden : 1;
+ uint32_t sign_bias_golden : 1;
/* same as sign_bias_alternate in bitstream syntax */
- unsigned int sign_bias_alternate : 1;
+ uint32_t 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;
+ uint32_t mb_no_coeff_skip : 1;
/* flag to indicate that loop filter should be disabled */
- unsigned int loop_filter_disable : 1;
+ uint32_t loop_filter_disable : 1;
} bits;
- unsigned int value;
+ uint32_t 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];
+ uint8_t mb_segment_tree_probs[3];
/* Post-adjustment loop filter levels for the 4 segments */
- unsigned char loop_filter_level[4];
+ uint8_t loop_filter_level[4];
/* loop filter deltas for reference frame based MB level adjustment */
- char loop_filter_deltas_ref_frame[4];
+ int8_t loop_filter_deltas_ref_frame[4];
/* loop filter deltas for coding mode based MB level adjustment */
- char loop_filter_deltas_mode[4];
+ int8_t loop_filter_deltas_mode[4];
/* same as prob_skip_false in bitstream syntax */
- unsigned char prob_skip_false;
+ uint8_t prob_skip_false;
/* same as prob_intra in bitstream syntax */
- unsigned char prob_intra;
+ uint8_t prob_intra;
/* same as prob_last in bitstream syntax */
- unsigned char prob_last;
+ uint8_t prob_last;
/* same as prob_gf in bitstream syntax */
- unsigned char prob_gf;
+ uint8_t 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];
+ uint8_t 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];
+ uint8_t uv_mode_probs[3];
/*
* updated mv decoding probabilities and same as mv_probs in
* frame header
*/
- unsigned char mv_probs[2][19];
+ uint8_t mv_probs[2][19];
VABoolCoderContextVPX bool_coder_ctx;
+ /** \brief Reserved bytes for future use, must be zero */
+ uint32_t va_reserved[VA_PADDING_LOW];
} VAPictureParameterBufferVP8;
/**
/*
* number of bytes in the slice data buffer for the partitions
*/
- unsigned int slice_data_size;
+ uint32_t slice_data_size;
/*
- * offset to the first byte of partition data
+ * offset to the first byte of partition data (control partition)
*/
- unsigned int slice_data_offset;
+ uint32_t slice_data_offset;
/*
* see VA_SLICE_DATA_FLAG_XXX definitions
*/
- unsigned int slice_data_flag;
+ uint32_t slice_data_flag;
+ /*
+ * offset to the first bit of MB from the first byte of partition data(slice_data_offset)
+ */
+ uint32_t macroblock_offset;
+
+ /*
+ * Partitions
+ * (1<<log2_nbr_of_dct_partitions)+1, count both control partition (frame header) and toke partition
+ */
+ uint8_t num_of_partitions;
/*
- * offset to the first bit of MB from the first byte of partition data
+ * partition_size[0] is remaining bytes of control partition after parsed by application.
+ * exclude current byte for the remaining bits in bool_coder_ctx.
+ * exclude the uncompress data chunk since first_part_size 'excluding the uncompressed data chunk'
*/
- unsigned int macroblock_offset;
+ uint32_t partition_size[9];
- /* Partitions */
- unsigned char num_of_partitions;
- unsigned int partition_size[9];
+ /** \brief Reserved bytes for future use, must be zero */
+ uint32_t va_reserved[VA_PADDING_LOW];
} VASliceParameterBufferVP8;
/**
*/
typedef struct _VAProbabilityDataBufferVP8
{
- unsigned char dct_coeff_probs[4][8][3][11];
+ uint8_t dct_coeff_probs[4][8][3][11];
+
+ /** \brief Reserved bytes for future use, must be zero */
+ uint32_t va_reserved[VA_PADDING_LOW];
} VAProbabilityDataBufferVP8;
/**
{
/*
* array first dimensional is segment and 2nd dimensional is Q index
+ * all Q indexs should be clipped to be range [0, 127]
*/
- unsigned short quantization_index[4][6];
+ uint16_t quantization_index[4][6];
+
+ /** \brief Reserved bytes for future use, must be zero */
+ uint32_t va_reserved[VA_PADDING_LOW];
} VAIQMatrixBufferVP8;
/**@}*/
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