Android NDK将YUV420图像转换为RGB

#include <jni.h>
#include <android/bitmap.h>

extern "C" JNIEXPORT void JNICALL
Java_com_example_imageprocessing_ImageProcessingUtils_convertYUV420ToRGB(JNIEnv *env, jobject instance,
                                                                         jbyteArray yuv420Data,
                                                                         jobject bitmap) {
    // 获取YUV420数据和Bitmap对象
    jbyte *yuvData = env->GetByteArrayElements(yuv420Data, nullptr);
    AndroidBitmapInfo bitmapInfo;
    AndroidBitmap_getInfo(env, bitmap, &bitmapInfo);
    void *pixels;
    AndroidBitmap_lockPixels(env, bitmap, &pixels);

    // YUV420转RGB的代码逻辑

    // 释放资源
    AndroidBitmap_unlockPixels(env, bitmap);
    env->ReleaseByteArrayElements(yuv420Data, yuvData, 0);
}