Add VP9 decode support

BZ: 182224

Change-Id: I2340fd94929609875e43dc87380f37c889c05e23
Signed-off-by: Yuan, Shengquan <shengquan.yuan@intel.com>
Signed-off-by: Cheng Yao <yao.cheng@intel.com>

4 files changed, 315 insertions, 1 deletions

diff --git a/va/Android.mk b/va/Android.mk
index b41a3e1..b10b643 100755
--- a/va/Android.mk
+++ b/va/Android.mk
@@ -67,6 +67,7 @@ LOCAL_COPY_HEADERS := \
 	va_dec_hevc.h \
 	va_dec_jpeg.h \
 	va_dec_vp8.h \
+	va_dec_vp9.h \
 	va_enc.h \
 	va_enc_h264.h \
 	va_enc_jpeg.h \
diff --git a/va/Makefile.am b/va/Makefile.am
index d0a8ec2..13ea35a 100644
--- a/va/Makefile.am
+++ b/va/Makefile.am
@@ -48,6 +48,7 @@ libva_source_h = \
 	va_dec_hevc.h		\
 	va_dec_jpeg.h		\
 	va_dec_vp8.h		\
+	va_dec_vp9.h		\
 	va_drmcommon.h		\
 	va_enc.h		\
 	va_enc_h264.h		\
diff --git a/va/va.h b/va/va.h
index b209c2a..b3480eb 100755
--- a/va/va.h
+++ b/va/va.h
@@ -331,7 +331,10 @@ typedef enum
     VAProfileH264MultiviewHigh          = 15,
     VAProfileH264StereoHigh             = 16,
     VAProfileHEVCMain                   = 17,
-    VAProfileHEVCMain10                 = 18
+    VAProfileHEVCMain10                 = 18,
+    VAProfileVP9Version0                = 19,
+    VAProfileAVS                        = 20,
+    VAProfileMax
 } VAProfile;
 
 /* 
@@ -399,6 +402,7 @@ typedef enum
      *
      **/
     VAEntrypointStatisticsIntel,
+    VAEntrypointMax
 } VAEntrypoint;
 
 /* Currently defined configuration attribute types */
diff --git a/va/va_dec_vp9.h b/va/va_dec_vp9.h
new file mode 100755
index 0000000..5503be6
--- /dev/null
+++ b/va/va_dec_vp9.h
@@ -0,0 +1,308 @@
+/*
+ * Copyright (c) 2007-2014 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_vp9.h
+ * \brief The VP9 decoding API
+ *
+ * This file contains the \ref api_dec_vp9 "VP9 decoding API".
+ */
+
+#ifndef VA_DEC_VP9_H
+#define VA_DEC_VP9_H
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup api_dec_vp9 VP9 decoding API
+ *
+ * This VP9 decoding API supports 8-bit 420 format only.
+ *
+ * @{
+ */
+
+
+
+
+/**
+ * \brief VP9 Decoding Picture Parameter Buffer Structure
+ *
+ * This structure conveys picture level parameters.
+ * App should send a surface with this data structure down to VAAPI once
+ * per frame.
+ *
+ */
+typedef struct  _VADecPictureParameterBufferVP9
+{
+    /**@{*/
+
+    /** \brief picture width
+     *  The value must be multiple of 8.
+     */
+    uint16_t                frame_width;
+    /** \brief picture height
+     *  The value must be multiple of 8.
+     */
+    uint16_t                frame_height;
+
+    /** \brief Surface index of decoded current picture
+     */
+    VASurfaceID             curr_pic;
+    /** \brief Surface indices of reference frames in DPB.
+     *
+     *  Each entry of the list specifies the surface index of the picture
+     *  that is referred by current picture or will be referred by any future
+     *  picture.
+     *  Application who calls this API should update this list based on the
+     *  refreshing information from VP9 bitstream.
+     */
+    VASurfaceID             reference_frames[8];
+
+    union
+    {
+        struct
+        {
+            /** \brief flags for current picture
+             *  same syntax and semantic as those in VP9 code
+             */
+            uint32_t        subsampling_x                               : 1;
+            uint32_t        subsampling_y                               : 1;
+            uint32_t        frame_type                                  : 1;
+            uint32_t        show_frame                                  : 1;
+            uint32_t        error_resilient_mode                        : 1;
+            uint32_t        intra_only                                  : 1;
+            uint32_t        allow_high_precision_mv                     : 1;
+            uint32_t        mcomp_filter_type                           : 3;
+            uint32_t        frame_parallel_decoding_mode                : 1;
+            uint32_t        reset_frame_context                         : 2;
+            uint32_t        refresh_frame_context                       : 1;
+            uint32_t        frame_context_idx                           : 2;
+            uint32_t        segmentation_enabled                        : 1;
+
+            /** \brief corresponds to variable temporal_update in VP9 code.
+             */
+            uint32_t        segmentation_temporal_update                : 1;
+            /** \brief corresponds to variable update_mb_segmentation_map
+             *  in VP9 code.
+             */
+            uint32_t        segmentation_update_map                     : 1;
+
+            /** \brief Index of reference_frames[] and points to the
+             *  LAST reference frame.
+             *  It corresponds to active_ref_idx[0] in VP9 code.
+             */
+            uint32_t        last_ref_frame                              : 3;
+            /** \brief Sign Bias of the LAST reference frame.
+             *  It corresponds to ref_frame_sign_bias[LAST_FRAME] in VP9 code.
+             */
+            uint32_t        last_ref_frame_sign_bias                    : 1;
+            /** \brief Index of reference_frames[] and points to the
+             *  GOLDERN reference frame.
+             *  It corresponds to active_ref_idx[1] in VP9 code.
+             */
+            uint32_t        golden_ref_frame                            : 3;
+            /** \brief Sign Bias of the GOLDERN reference frame.
+             *  Corresponds to ref_frame_sign_bias[GOLDERN_FRAME] in VP9 code.
+             */
+            uint32_t        golden_ref_frame_sign_bias                  : 1;
+            /** \brief Index of reference_frames[] and points to the
+             *  ALTERNATE reference frame.
+             *  Corresponds to active_ref_idx[2] in VP9 code.
+             */
+            uint32_t        alt_ref_frame                               : 3;
+            /** \brief Sign Bias of the ALTERNATE reference frame.
+             *  Corresponds to ref_frame_sign_bias[ALTREF_FRAME] in VP9 code.
+             */
+            uint32_t        alt_ref_frame_sign_bias                     : 1;
+            /** \brief Lossless Mode
+             *  LosslessFlag = base_qindex == 0 &&
+             *                 y_dc_delta_q == 0 &&
+             *                 uv_dc_delta_q == 0 &&
+             *                 uv_ac_delta_q == 0;
+             *  Where base_qindex, y_dc_delta_q, uv_dc_delta_q and uv_ac_delta_q
+             *  are all variables in VP9 code.
+             */
+            uint32_t        lossless_flag                               : 1;
+        } bits;
+        uint32_t            value;
+    } pic_fields;
+
+    /* following parameters have same syntax with those in VP9 code */
+    uint8_t                 filter_level;
+    uint8_t                 sharpness_level;
+
+    /** \brief number of tile rows specified by (1 << log2_tile_rows).
+     *  It corresponds the variable with same name in VP9 code.
+     */
+    uint8_t                 log2_tile_rows;
+    /** \brief number of tile columns specified by (1 << log2_tile_columns).
+     *  It corresponds the variable with same name in VP9 code.
+     */
+    uint8_t                 log2_tile_columns;
+    /** \brief Number of bytes taken up by the uncompressed frame header,
+     *  which corresponds to byte length of function
+     *  read_uncompressed_header() in VP9 code.
+     *  Specifically, it is the byte count from bit stream buffer start to
+     *  the last byte of uncompressed frame header.
+     */
+    uint8_t                 frame_header_length_in_bytes;
+
+    /** \brief The byte count of compressed header the bitstream buffer,
+     *  which corresponds to syntax first_partition_size in code.
+     */
+    uint16_t                first_partition_size;
+
+    /** \brief The byte count of current frame in the bitstream buffer,
+     *  starting from first byte of the buffer.
+     */
+    uint32_t                frame_data_size;
+
+    /** These values are segment probabilities with same names in VP9
+     *  function setup_segmentation(). They should be parsed directly from
+     *  bitstream by application.
+     */
+    uint8_t                 mb_segment_tree_probs[7];
+    uint8_t                 segment_pred_probs[3];
+
+    /** \brief VP9 version number
+     *  value can be 0 or 1.
+     */
+    uint8_t                 version;
+    /**@}*/
+
+} VADecPictureParameterBufferVP9;
+
+
+
+/**
+ * \brief VP9 Segmentation Parameter Data Structure
+ *
+ * This structure conveys per segment parameters.
+ * 8 of this data structure will be included in VASegmentationParameterBufferVP9
+ * and sent to API in a single buffer.
+ *
+ */
+typedef struct  _VASegmentParameterVP9
+{
+    /**@{*/
+
+    union
+    {
+        struct
+        {
+            /** \brief Indicates if per segment reference frame indicator
+             *  is enabled.
+             *  Corresponding to variable feature_enabled when
+             *  j == SEG_LVL_REF_FRAME in function setup_segmentation() VP9 code.
+             */
+            uint16_t        segment_reference_enabled                   : 1;
+            /** \brief Specifies per segment reference indication.
+             *  0: reserved
+             *  1: Last ref
+             *  2: golden
+             *  3: altref
+             *  Value can be derived from variable data when
+             *  j == SEG_LVL_REF_FRAME in function setup_segmentation() VP9 code.
+             */
+            uint16_t        segment_reference                           : 2;
+            /** \brief Indicates if per segment skip feature is enabled.
+             *  Corresponding to variable feature_enabled when
+             *  j == SEG_LVL_SKIP in function setup_segmentation() VP9 code.
+             */
+            uint16_t        segment_reference_skipped                   : 1;
+        } fields;
+        uint16_t            value;
+    } segment_flags;
+
+    /** \brief Specifies the filter level information per segment.
+     *  The value corresponds to variable lfi->lvl[seg][ref][mode] in VP9 code,
+     *  where m is [ref], and n is [mode] in FilterLevel[m][n].
+     */
+    uint8_t                 filter_level[4][2];
+    /** \brief Specifies per segment Luma AC quantization scale.
+     *  Corresponding to y_dequant[qindex][1] in vp9_mb_init_quantizer()
+     *  function of VP9 code.
+     */
+    int16_t                 luma_ac_quant_scale;
+    /** \brief Specifies per segment Luma DC quantization scale.
+     *  Corresponding to y_dequant[qindex][0] in vp9_mb_init_quantizer()
+     *  function of VP9 code.
+     */
+    int16_t                 luma_dc_quant_scale;
+    /** \brief Specifies per segment Chroma AC quantization scale.
+     *  Corresponding to uv_dequant[qindex][1] in vp9_mb_init_quantizer()
+     *  function of VP9 code.
+     */
+    int16_t                 chroma_ac_quant_scale;
+    /** \brief Specifies per segment Chroma DC quantization scale.
+     *  Corresponding to uv_dequant[qindex][0] in vp9_mb_init_quantizer()
+     *  function of VP9 code.
+     */
+    int16_t                 chroma_dc_quant_scale;
+
+    /**@}*/
+
+} VASegmentParameterVP9;
+
+
+
+/**
+ * \brief VP9 Slice Parameter Buffer Structure
+ *
+ * This structure conveys parameters related to segmentation data and should be
+ * sent once per frame.
+ *
+ * When segmentation is disabled, only SegParam[0] has valid values,
+ * all other entries should be populated with 0.
+ * Otherwise, all eight entries should be valid.
+ *
+ * Slice data buffer of VASliceDataBufferType is used
+ * to send the bitstream which should include whole or part of partition 0
+ * (at least compressed header) to the end of frame.
+ *
+ */
+typedef struct _VASliceParameterBufferVP9
+{
+    /**@{*/
+    /**
+     * \brief per segment information
+     */
+    VASegmentParameterVP9   seg_param[8];
+
+    /**@}*/
+
+} VASliceParameterBufferVP9;
+
+
+/**@}*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* VA_DEC_VP9_H */