enable hw jpg encoder for yuzuki-chameleon (#103)

Author: nihui

.github/workflows/release.yml

@@ -1176,11 +1176,11 @@ jobs:
             single-core: false
             cmake-toolchain: arm-openwrt-linux-gnueabi.toolchain.cmake
             setup-toolchain-cmd: |
-              wget -q https://github.com/YuzukiHD/sunxi-bsp-toolchains/releases/download/1.0.0/toolchain-sunxi-glibc-arm-gcc-830.tar.gz
-              tar -xf toolchain-sunxi-glibc-arm-gcc-830.tar.gz
+              wget -q https://github.com/YuzukiHD/YuzukiChameleon/releases/download/0.0.1/toolchain-sunxi-glibc-arm.tar.gz
+              tar -xf toolchain-sunxi-glibc-arm.tar.gz
             setup-env-cmd: |
-              export TOOLCHAIN_ROOT_PATH=$GITHUB_WORKSPACE/toolchain-sunxi-glibc-gcc-830/toolchain
-              export STAGING_DIR=$GITHUB_WORKSPACE/toolchain-sunxi-glibc-gcc-830/toolchain
+              export TOOLCHAIN_ROOT_PATH=$GITHUB_WORKSPACE/toolchain
+              export STAGING_DIR=$GITHUB_WORKSPACE/toolchain
 
           - name: purple-pi
             single-core: false

README.md

@@ -345,6 +345,7 @@ https://github.com/nihui/opencv-mobile/releases/latest
   </a>
   <br />arm-openwrt-linux-gnueabi<br />
   &#9989; HW JPG decoder<br />
+  &#9989; HW JPG encoder<br />
   <a href="https://github.com/nihui/opencv-mobile/releases/latest/download/opencv-mobile-4.9.0-yuzuki-chameleon.zip">
     <img alt="opencv4-yuzuki-chameleon" src="https://img.shields.io/badge/download-4.9.0-blue?style=for-the-badge">
   </a>

highgui/src/jpeg_encoder_aw.cpp

@@ -40,6 +40,7 @@ namespace cv {
 // 0 = unknown
 // 1 = t113-i
 // 2 = tinyvision
+// 3 = yuzuki-chameleon
 static int get_device_model()
 {
     static int device_model = -1;
@@ -66,6 +67,11 @@ static int get_device_model()
             // tinyvision
             device_model = 2;
         }
+        if (strncmp(buf, "sun50iw9", 8) == 0)
+        {
+            // yuzuki-chameleon
+            device_model = 3;
+        }
     }
 
     return device_model;
@@ -85,6 +91,11 @@ static bool is_device_whitelisted()
         // tinyvision
         return true;
     }
+    if (device_model == 3)
+    {
+        // yuzuki-chameleon
+        return true;
+    }
 
     return false;
 }