MySurfaceTextureListener.ec

#include "debug.eh"
#include <jni.h>
#include <android/log.h>
#define printf(...) ((void)__android_log_print(ANDROID_LOG_INFO, "ecere-app", __VA_ARGS__))

import "androidCamera"

class MySurfaceTextureListener
{
   jobject javaInstance;
   AndroidCamera camera;

   // Add data members as needed...
   /*void onFrameAvailable(JNIEnv * env, jobject surfaceTexture)
   {
      // write some eC code here...
      camera.onFrameAvailable(env, surfaceTexture);
   }*/

   // d
}

default:

static void JNICALL jni_onFrameAvailable(JNIEnv * env, jobject instance, jobject surfaceTexture)
{
   jclass cls = (*env)->GetObjectClass(env, instance);
   jfieldID fidImpl = (*env)->GetFieldID(env, cls, "impl", "J");
   jlong impl = (*env)->GetLongField(env, instance, fidImpl);
   MySurfaceTextureListener listener = (MySurfaceTextureListener)(uintptr)impl;
   //listener.onFrameAvailable(env, surfaceTexture);
}

static void JNICALL jni_onSurfaceTextureAvailable(JNIEnv * env, jobject instance, jobject surfaceTexture, int width, int height)
{
   jclass cls = (*env)->GetObjectClass(env, instance);
   jfieldID fidImpl = (*env)->GetFieldID(env, cls, "impl", "J");
   jlong impl = (*env)->GetLongField(env, instance, fidImpl);
   MySurfaceTextureListener listener = (MySurfaceTextureListener)(uintptr)impl;
   //listener.onFrameAvailable(env, surfaceTexture);
}

static void JNICALL jni_onSurfaceTextureSizeChanged(JNIEnv * env, jobject instance, jobject surfaceTexture, int width, int height)
{
}

static boolean JNICALL jni_onSurfaceTextureDestroyed(JNIEnv * env, jobject instance, jobject surfaceTexture)
{
   return (boolean)JNI_FALSE;
}

static void JNICALL jni_onSurfaceTextureUpdated(JNIEnv * env, jobject instance, jobject surfaceTexture)
{
}

static jlong JNICALL jni_construct(JNIEnv * env, jobject instance)
{
   MySurfaceTextureListener mySurfaceTextureListener { javaInstance = instance }; // Take a reference here?
   incref mySurfaceTextureListener;
   return (jlong)(uintptr)mySurfaceTextureListener;
}

static void JNICALL jni_destruct(JNIEnv * env, jobject instance, jlong eCinst)
{
   MySurfaceTextureListener mySurfaceTextureListener = (MySurfaceTextureListener)(uintptr)eCinst;
   mySurfaceTextureListener.javaInstance = null;
   delete mySurfaceTextureListener;
}

private:

static JNINativeMethod methods[] =
{
   { "onFrameAvailable",            "(Landroid/graphics/SurfaceTexture;)V",      (void *)&jni_onFrameAvailable },
   { "onSurfaceTextureAvailable",   "(Landroid/graphics/SurfaceTexture;I;I;)V",  (void *)&jni_onSurfaceTextureAvailable },
   { "onSurfaceTextureSizeChanged", "(Landroid/graphics/SurfaceTexture;I;I;)V",  (void *)&jni_onSurfaceTextureSizeChanged },
   { "onSurfaceTextureDestroyed",   "(Landroid/graphics/SurfaceTexture;)B",      (void *)&jni_onSurfaceTextureDestroyed },
   { "onSurfaceTextureUpdated",     "(Landroid/graphics/SurfaceTexture;)V",      (void *)&jni_onSurfaceTextureUpdated },
   { "construct",                   "()J",                                       (void *)&jni_construct },
   { "destruct",                    "(J)V",                                      (void *)&jni_destruct }
};

jclass * cMySurfaceTextureListener;

bool registerNativeMySurfaceTextureListener(JNIEnv * env)
{
   if(ecjni_getClass(__getloc__, env, false, "com/ecere/hello/MySurfaceTextureListener", &cMySurfaceTextureListener))
      (*env)->RegisterNatives(env, cMySurfaceTextureListener, methods, sizeof(methods)/sizeof(methods[0]));
   return true;
}

MySurfaceTextureListener.java

package com.ecere.hello;

import android.graphics.SurfaceTexture;
//import android.os.Handler;
//import android.os.Looper;
import android.view.TextureView;

//public class MySurfaceTextureListener implements SurfaceTexture.OnFrameAvailableListener
public class MySurfaceTextureListener implements SurfaceTexture.OnFrameAvailableListener, TextureView.SurfaceTextureListener
{
   private long impl;

   public MySurfaceTextureListener() { impl = construct(); }
   public void finalize() { destruct(impl); }

   private native long construct();
   private native void destruct(long impl);

   public native void onFrameAvailable(SurfaceTexture surfaceTexture);

   public native void onSurfaceTextureAvailable(SurfaceTexture surfaceTexture, int width, int height);
    // setUpCamera();
    // openCamera();
   public native void onSurfaceTextureSizeChanged(SurfaceTexture surfaceTexture, int width, int height);
   public native boolean onSurfaceTextureDestroyed(SurfaceTexture surfaceTexture);
    // return false;
   public native void onSurfaceTextureUpdated(SurfaceTexture surfaceTexture);
}