webrtc/modules/video_render/android/video_render_android_native_opengl2.h

/*
 *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#ifndef WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_ANDROID_VIDEO_RENDER_ANDROID_NATIVE_OPENGL2_H_
#define WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_ANDROID_VIDEO_RENDER_ANDROID_NATIVE_OPENGL2_H_

#include <jni.h>

#include "webrtc/modules/video_render/android/video_render_android_impl.h"
#include "webrtc/modules/video_render/android/video_render_opengles20.h"
#include "webrtc/modules/video_render/video_render_defines.h"

namespace webrtc {

class CriticalSectionWrapper;

class AndroidNativeOpenGl2Channel: public AndroidStream {
 public:
  AndroidNativeOpenGl2Channel(
      uint32_t streamId,
      JavaVM* jvm,
      VideoRenderAndroid& renderer,jobject javaRenderObj);
  ~AndroidNativeOpenGl2Channel();

  int32_t Init(int32_t zOrder, const float left, const float top,
               const float right, const float bottom);

  //Implement VideoRenderCallback
  virtual int32_t RenderFrame(const uint32_t streamId,
                              const VideoFrame& videoFrame);

  //Implements AndroidStream
  virtual void DeliverFrame(JNIEnv* jniEnv);

 private:
  static jint JNICALL CreateOpenGLNativeStatic(
      JNIEnv * env,
      jobject,
      jlong context,
      jint width,
      jint height);
  jint CreateOpenGLNative(int width, int height);

  static void JNICALL DrawNativeStatic(JNIEnv * env,jobject, jlong context);
  void DrawNative();
  uint32_t _id;
  CriticalSectionWrapper& _renderCritSect;

  VideoFrame _bufferToRender;
  VideoRenderAndroid& _renderer;
  JavaVM*     _jvm;
  jobject     _javaRenderObj;

  jmethodID      _redrawCid;
  jmethodID      _registerNativeCID;
  jmethodID      _deRegisterNativeCID;
  VideoRenderOpenGles20 _openGLRenderer;
};


class AndroidNativeOpenGl2Renderer: private VideoRenderAndroid {
 public:
  AndroidNativeOpenGl2Renderer(const int32_t id,
                               const VideoRenderType videoRenderType,
                               void* window,
                               const bool fullscreen);

  ~AndroidNativeOpenGl2Renderer();
  static bool UseOpenGL2(void* window);

  int32_t Init();
  virtual AndroidStream* CreateAndroidRenderChannel(
      int32_t streamId,
      int32_t zOrder,
      const float left,
      const float top,
      const float right,
      const float bottom,
      VideoRenderAndroid& renderer);

 private:
  jobject _javaRenderObj;
  jclass _javaRenderClass;
};

}  // namespace webrtc

#endif // WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_ANDROID_VIDEO_RENDER_ANDROID_NATIVE_OPENGL2_H_