RK3399 Android7.1修改camera分辨率使读到的像素为13M

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我是靠谱客的博主殷勤花瓣，最近开发中收集的这篇文章主要介绍RK3399 Android7.1修改camera分辨率使读到的像素为13M，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

选用13M的摄像头模组，但实际所用分辨率计算出来的像素值不到13M，安兔兔等第三方应用显示的像素值低于13M，解决方法之一就是将camera最大分辨率提高，但注意不能超过camera的实际有效像素范围（H和V方向）。

diff --git a/hardware/rockchip/camera/CameraHal/CameraIspAdapter.cpp b/hardware/rockchip/camera/CameraHal/CameraIspAdapter.cpp
index d7e3923..7f72813 100755
--- a/hardware/rockchip/camera/CameraHal/CameraIspAdapter.cpp
+++ b/hardware/rockchip/camera/CameraHal/CameraIspAdapter.cpp
@@ -1355,7 +1355,7 @@ void CameraIspAdapter::initDefaultParameters(int camFd)
             if (max_w*10/max_h == 40/3) {          // 4:3 Sensor
                 if (pixels > 12500000) {
                     if ((max_w != 4128)&&(max_h != 3096))
-                        parameterString.append(",4160x3120"); //parameterString.append(",4096x3096");
+                        parameterString.append(",4176x3120"); //parameterString.append(",4096x3096");
                     parameterString.append(",4096x3072,3264x2448,2592x1944,1600x1200");
                 } else if (pixels > 7900000) {
                     if ((max_w != 3264)&&(max_h != 2448))
@@ -1400,7 +1400,7 @@ void CameraIspAdapter::initDefaultParameters(int camFd)
                        {
                                parameterString.removeAll("4208x3120,");
                                ALOGD("PICSIZE: %s", parameterString.string());
-                               sprintf(string,"%dx%d", 4160, 3120);    //sprintf(string,"%dx%d", 4096, 3096);
+                               sprintf(string,"%dx%d", 4176, 3120);    //sprintf(string,"%dx%d", 4096, 3096);
                        }
                }
                if(mfd.enable == true) {
@@ -1408,7 +1408,7 @@ void CameraIspAdapter::initDefaultParameters(int camFd)
                        {
                                parameterString.removeAll("4208x3120,");
                                ALOGD("PICSIZE: %s", parameterString.string());
-                               sprintf(string,"%dx%d", 4160, 3120);    //sprintf(string,"%dx%d", 4096, 3096);
+                               sprintf(string,"%dx%d", 4176, 3120);    //sprintf(string,"%dx%d", 4096, 3096);
                        }
                }
         params.set(CameraParameters::KEY_PICTURE_SIZE, string);