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117 lines
3.1 KiB
117 lines
3.1 KiB
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_SERVERS_CAMERA_CAMERA2_STREAMINGPROCESSOR_H
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#define ANDROID_SERVERS_CAMERA_CAMERA2_STREAMINGPROCESSOR_H
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#include <utils/Mutex.h>
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#include <utils/String16.h>
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#include <gui/BufferItemConsumer.h>
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#include "camera/CameraMetadata.h"
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namespace android {
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class Camera2Client;
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class CameraDeviceBase;
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class IMemory;
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namespace camera2 {
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struct Parameters;
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class Camera2Heap;
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/**
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* Management and processing for preview and recording streams
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*/
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class StreamingProcessor : public virtual VirtualLightRefBase {
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public:
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explicit StreamingProcessor(sp<Camera2Client> client);
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~StreamingProcessor();
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status_t setPreviewWindow(const sp<Surface>& window);
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status_t setRecordingWindow(const sp<Surface>& window);
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bool haveValidPreviewWindow() const;
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bool haveValidRecordingWindow() const;
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status_t updatePreviewRequest(const Parameters ¶ms);
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status_t updatePreviewStream(const Parameters ¶ms);
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status_t deletePreviewStream();
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int getPreviewStreamId() const;
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status_t updateRecordingRequest(const Parameters ¶ms);
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// If needsUpdate is set to true, a updateRecordingStream call with params will recreate
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// recording stream
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status_t recordingStreamNeedsUpdate(const Parameters ¶ms, bool *needsUpdate);
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status_t updateRecordingStream(const Parameters ¶ms);
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status_t deleteRecordingStream();
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int getRecordingStreamId() const;
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enum StreamType {
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NONE,
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PREVIEW,
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RECORD
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};
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status_t startStream(StreamType type,
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const Vector<int32_t> &outputStreams);
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// Toggle between paused and unpaused. Stream must be started first.
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status_t togglePauseStream(bool pause);
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status_t stopStream();
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// Returns the request ID for the currently streaming request
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// Returns 0 if there is no active request.
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status_t getActiveRequestId() const;
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status_t incrementStreamingIds();
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status_t dump(int fd, const Vector<String16>& args);
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private:
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mutable Mutex mMutex;
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enum {
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NO_STREAM = -1
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};
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wp<Camera2Client> mClient;
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wp<CameraDeviceBase> mDevice;
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int mId;
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StreamType mActiveRequest;
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bool mPaused;
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Vector<int32_t> mActiveStreamIds;
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// Preview-related members
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int32_t mPreviewRequestId;
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int mPreviewStreamId;
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CameraMetadata mPreviewRequest;
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sp<Surface> mPreviewWindow;
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int32_t mRecordingRequestId;
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int mRecordingStreamId;
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sp<Surface> mRecordingWindow;
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CameraMetadata mRecordingRequest;
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};
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}; // namespace camera2
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}; // namespace android
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#endif
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