You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
88 lines
3.0 KiB
88 lines
3.0 KiB
4 months ago
|
/*
|
||
|
|
* Copyright (C) 2016 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 ANDROID_AUTOMOTIVE_EVS_V1_0_CAMERAPROXY_H
|
||
|
|
#define ANDROID_AUTOMOTIVE_EVS_V1_0_CAMERAPROXY_H
|
||
|
|
|
||
|
|
#include <android/hardware/automotive/evs/1.0/types.h>
|
||
|
|
#include <android/hardware/automotive/evs/1.0/IEvsCamera.h>
|
||
|
|
#include <ui/GraphicBuffer.h>
|
||
|
|
|
||
|
|
#include <thread>
|
||
|
|
#include <deque>
|
||
|
|
|
||
|
|
|
||
|
|
using namespace ::android::hardware::automotive::evs::V1_0;
|
||
|
|
using ::android::hardware::Return;
|
||
|
|
using ::android::hardware::Void;
|
||
|
|
using ::android::hardware::hidl_handle;
|
||
|
|
|
||
|
|
namespace android {
|
||
|
|
namespace automotive {
|
||
|
|
namespace evs {
|
||
|
|
namespace V1_0 {
|
||
|
|
namespace implementation {
|
||
|
|
|
||
|
|
|
||
|
|
class HalCamera; // From HalCamera.h
|
||
|
|
|
||
|
|
|
||
|
|
// This class represents an EVS camera to the client application. As such it presents
|
||
|
|
// the IEvsCamera interface, and also proxies the frame delivery to the client's
|
||
|
|
// IEvsCameraStream object.
|
||
|
|
class VirtualCamera : public IEvsCamera {
|
||
|
|
public:
|
||
|
|
explicit VirtualCamera(sp<HalCamera> halCamera);
|
||
|
|
virtual ~VirtualCamera();
|
||
|
|
void shutdown();
|
||
|
|
|
||
|
|
sp<HalCamera> getHalCamera() { return mHalCamera; };
|
||
|
|
unsigned getAllowedBuffers() { return mFramesAllowed; };
|
||
|
|
bool isStreaming() { return mStreamState == RUNNING; }
|
||
|
|
|
||
|
|
// Proxy to receive frames and forward them to the client's stream
|
||
|
|
bool deliverFrame(const BufferDesc& buffer);
|
||
|
|
|
||
|
|
// Methods from ::android::hardware::automotive::evs::V1_0::IEvsCamera follow.
|
||
|
|
Return<void> getCameraInfo(getCameraInfo_cb _hidl_cb) override;
|
||
|
|
Return<EvsResult> setMaxFramesInFlight(uint32_t bufferCount) override;
|
||
|
|
Return<EvsResult> startVideoStream(const ::android::sp<IEvsCameraStream>& stream) override;
|
||
|
|
Return<void> doneWithFrame(const BufferDesc& buffer) override;
|
||
|
|
Return<void> stopVideoStream() override;
|
||
|
|
Return<int32_t> getExtendedInfo(uint32_t opaqueIdentifier) override;
|
||
|
|
Return<EvsResult> setExtendedInfo(uint32_t opaqueIdentifier, int32_t opaqueValue) override;
|
||
|
|
|
||
|
|
private:
|
||
|
|
sp<HalCamera> mHalCamera; // The low level camera interface that backs this proxy
|
||
|
|
sp<IEvsCameraStream> mStream;
|
||
|
|
|
||
|
|
std::deque<BufferDesc> mFramesHeld;
|
||
|
|
unsigned mFramesAllowed = 1;
|
||
|
|
enum {
|
||
|
|
STOPPED,
|
||
|
|
RUNNING,
|
||
|
|
STOPPING,
|
||
|
|
} mStreamState = STOPPED;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace implementation
|
||
|
|
} // namespace V1_0
|
||
|
|
} // namespace evs
|
||
|
|
} // namespace automotive
|
||
|
|
} // namespace android
|
||
|
|
|
||
|
|
#endif // ANDROID_AUTOMOTIVE_EVS_V1_0_CAMERAPROXY_H
|