unplugged-system/packages/services/Car/cpp/evs/apps/default/inc/VideoTex.h

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2.8 KiB
C++

/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef VIDEOTEX_H
#define VIDEOTEX_H
#include "StreamHandler.h"
#include "TexWrapper.h"
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include <GLES3/gl3.h>
#include <GLES3/gl3ext.h>
#include <aidl/android/hardware/automotive/evs/BufferDesc.h>
#include <aidl/android/hardware/automotive/evs/IEvsCamera.h>
#include <aidl/android/hardware/automotive/evs/IEvsEnumerator.h>
#include <aidl/android/hardware/automotive/evs/Stream.h>
#include <system/graphics-base.h>
class VideoTex final : public TexWrapper {
friend VideoTex* createVideoTexture(
const std::shared_ptr<aidl::android::hardware::automotive::evs::IEvsEnumerator>& pEnum,
const char* evsCameraId,
std::unique_ptr<aidl::android::hardware::automotive::evs::Stream> streamCfg,
EGLDisplay glDisplay, bool useExternalMemory, android_pixel_format_t format);
public:
VideoTex() = delete;
virtual ~VideoTex();
bool refresh(); // returns true if the texture contents were updated
private:
VideoTex(std::shared_ptr<aidl::android::hardware::automotive::evs::IEvsEnumerator> pEnum,
std::shared_ptr<aidl::android::hardware::automotive::evs::IEvsCamera> pCamera,
std::shared_ptr<StreamHandler> pStreamHandler, EGLDisplay glDisplay);
std::shared_ptr<aidl::android::hardware::automotive::evs::IEvsEnumerator> mEnumerator;
std::shared_ptr<aidl::android::hardware::automotive::evs::IEvsCamera> mCamera;
std::shared_ptr<StreamHandler> mStreamHandler;
aidl::android::hardware::automotive::evs::BufferDesc mImageBuffer;
EGLDisplay mDisplay;
EGLImageKHR mKHRimage = EGL_NO_IMAGE_KHR;
};
// Creates a video texture to draw the camera preview. format is effective only
// when useExternalMemory is true.
VideoTex* createVideoTexture(
const std::shared_ptr<aidl::android::hardware::automotive::evs::IEvsEnumerator>& pEnum,
const char* deviceName,
std::unique_ptr<aidl::android::hardware::automotive::evs::Stream> streamCfg,
EGLDisplay glDisplay, bool useExternalMemory = false,
android_pixel_format_t format = HAL_PIXEL_FORMAT_RGBA_8888);
#endif // VIDEOTEX_H