| /* |
| * Copyright (C) 2009 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 CAMERA_SOURCE_H_ |
| |
| #define CAMERA_SOURCE_H_ |
| |
| #include <media/stagefright/MediaBuffer.h> |
| #include <media/stagefright/MediaSource.h> |
| #include <utils/List.h> |
| #include <utils/RefBase.h> |
| #include <utils/threads.h> |
| |
| namespace android { |
| |
| class ICamera; |
| class IMemory; |
| class Camera; |
| |
| class CameraSource : public MediaSource, public MediaBufferObserver { |
| public: |
| static CameraSource *Create(); |
| static CameraSource *CreateFromCamera(const sp<Camera> &camera); |
| |
| virtual ~CameraSource(); |
| |
| virtual status_t start(MetaData *params = NULL); |
| virtual status_t stop(); |
| |
| virtual sp<MetaData> getFormat(); |
| |
| virtual status_t read( |
| MediaBuffer **buffer, const ReadOptions *options = NULL); |
| |
| virtual void signalBufferReturned(MediaBuffer* buffer); |
| |
| private: |
| friend class CameraSourceListener; |
| |
| sp<Camera> mCamera; |
| sp<MetaData> mMeta; |
| |
| Mutex mLock; |
| Condition mFrameAvailableCondition; |
| Condition mFrameCompleteCondition; |
| List<sp<IMemory> > mFramesReceived; |
| List<sp<IMemory> > mFramesBeingEncoded; |
| List<int64_t> mFrameTimes; |
| |
| int64_t mStartTimeUs; |
| int64_t mFirstFrameTimeUs; |
| int64_t mLastFrameTimestampUs; |
| int32_t mNumFramesReceived; |
| int32_t mNumFramesEncoded; |
| int32_t mNumFramesDropped; |
| int32_t mNumGlitches; |
| int64_t mGlitchDurationThresholdUs; |
| bool mCollectStats; |
| bool mStarted; |
| |
| CameraSource(const sp<Camera> &camera); |
| |
| void dataCallbackTimestamp( |
| int64_t timestampUs, int32_t msgType, const sp<IMemory> &data); |
| |
| void releaseQueuedFrames(); |
| void releaseOneRecordingFrame(const sp<IMemory>& frame); |
| |
| CameraSource(const CameraSource &); |
| CameraSource &operator=(const CameraSource &); |
| }; |
| |
| } // namespace android |
| |
| #endif // CAMERA_SOURCE_H_ |