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      1 /*
      2  * xcam_3a_stats.h - 3a stats standard version
      3  *
      4  *  Copyright (c) 2015 Intel Corporation
      5  *
      6  * Licensed under the Apache License, Version 2.0 (the "License");
      7  * you may not use this file except in compliance with the License.
      8  * You may obtain a copy of the License at
      9  *
     10  *      http://www.apache.org/licenses/LICENSE-2.0
     11  *
     12  * Unless required by applicable law or agreed to in writing, software
     13  * distributed under the License is distributed on an "AS IS" BASIS,
     14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     15  * See the License for the specific language governing permissions and
     16  * limitations under the License.
     17  *
     18  * Author: Wind Yuan <feng.yuan (at) intel.com>
     19  */
     20 
     21 #ifndef C_XCAM_3A_STATS_H
     22 #define C_XCAM_3A_STATS_H
     23 
     24 #include <base/xcam_common.h>
     25 
     26 XCAM_BEGIN_DECLARE
     27 
     28 typedef struct _XCam3AStatsInfo {
     29     uint32_t width;
     30     uint32_t height;
     31     uint32_t aligned_width;
     32     uint32_t aligned_height;
     33     uint32_t grid_pixel_size;  // in pixel
     34     uint32_t bit_depth;
     35     uint32_t histogram_bins;
     36 
     37     uint32_t reserved[2];
     38 } XCam3AStatsInfo;
     39 
     40 typedef struct _XCamHistogram {
     41     uint32_t r;
     42     uint32_t gr;
     43     uint32_t gb;
     44     uint32_t b;
     45 } XCamHistogram;
     46 
     47 typedef struct _XCamGridStat {
     48     /* ae */
     49     uint32_t avg_y;
     50 
     51     /* awb */
     52     uint32_t avg_r;
     53     uint32_t avg_gr;
     54     uint32_t avg_gb;
     55     uint32_t avg_b;
     56     uint32_t valid_wb_count;
     57 
     58     /* af */
     59     uint32_t f_value1;
     60     uint32_t f_value2;
     61 } XCamGridStat;
     62 
     63 typedef struct _XCam3AStats {
     64     XCam3AStatsInfo info;
     65     XCamHistogram *hist_rgb;
     66     uint32_t *hist_y;
     67     XCamGridStat stats[0];
     68 } XCam3AStats;
     69 
     70 XCAM_END_DECLARE
     71 
     72 #endif //C_XCAM_3A_STATS_H
     73