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Diffstat (limited to 'include/media/stagefright/CameraSource.h')
| -rw-r--r-- | include/media/stagefright/CameraSource.h | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/include/media/stagefright/CameraSource.h b/include/media/stagefright/CameraSource.h deleted file mode 100644 index 5a35358..0000000 --- a/include/media/stagefright/CameraSource.h +++ /dev/null @@ -1,232 +0,0 @@ -/* - * 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 <camera/ICamera.h> -#include <camera/ICameraRecordingProxyListener.h> -#include <camera/CameraParameters.h> -#include <utils/List.h> -#include <utils/RefBase.h> - -namespace android { - -class IMemory; -class Camera; -class Surface; - -class CameraSource : public MediaSource, public MediaBufferObserver { -public: - /** - * Factory method to create a new CameraSource using the current - * settings (such as video size, frame rate, color format, etc) - * from the default camera. - * - * @return NULL on error. - */ - static CameraSource *Create(); - - /** - * Factory method to create a new CameraSource. - * - * @param camera the video input frame data source. If it is NULL, - * we will try to connect to the camera with the given - * cameraId. - * - * @param cameraId the id of the camera that the source will connect - * to if camera is NULL; otherwise ignored. - * - * @param videoSize the dimension (in pixels) of the video frame - * @param frameRate the target frames per second - * @param surface the preview surface for display where preview - * frames are sent to - * @param storeMetaDataInVideoBuffers true to request the camera - * source to store meta data in video buffers; false to - * request the camera source to store real YUV frame data - * in the video buffers. The camera source may not support - * storing meta data in video buffers, if so, a request - * to do that will NOT be honored. To find out whether - * meta data is actually being stored in video buffers - * during recording, call isMetaDataStoredInVideoBuffers(). - * - * @return NULL on error. - */ - static CameraSource *CreateFromCamera(const sp<ICamera> &camera, - const sp<ICameraRecordingProxy> &proxy, - int32_t cameraId, - Size videoSize, - int32_t frameRate, - const sp<Surface>& surface, - bool storeMetaDataInVideoBuffers = false); - - virtual ~CameraSource(); - - virtual status_t start(MetaData *params = NULL); - virtual status_t stop() { return reset(); } - virtual status_t read( - MediaBuffer **buffer, const ReadOptions *options = NULL); - - /** - * Check whether a CameraSource object is properly initialized. - * Must call this method before stop(). - * @return OK if initialization has successfully completed. - */ - virtual status_t initCheck() const; - - /** - * Returns the MetaData associated with the CameraSource, - * including: - * kKeyColorFormat: YUV color format of the video frames - * kKeyWidth, kKeyHeight: dimension (in pixels) of the video frames - * kKeySampleRate: frame rate in frames per second - * kKeyMIMEType: always fixed to be MEDIA_MIMETYPE_VIDEO_RAW - */ - virtual sp<MetaData> getFormat(); - - /** - * Tell whether this camera source stores meta data or real YUV - * frame data in video buffers. - * - * @return true if meta data is stored in the video - * buffers; false if real YUV data is stored in - * the video buffers. - */ - bool isMetaDataStoredInVideoBuffers() const; - - virtual void signalBufferReturned(MediaBuffer* buffer); - -protected: - class ProxyListener: public BnCameraRecordingProxyListener { - public: - ProxyListener(const sp<CameraSource>& source); - virtual void dataCallbackTimestamp(int64_t timestampUs, int32_t msgType, - const sp<IMemory> &data); - - private: - sp<CameraSource> mSource; - }; - - // isBinderAlive needs linkToDeath to work. - class DeathNotifier: public IBinder::DeathRecipient { - public: - DeathNotifier() {} - virtual void binderDied(const wp<IBinder>& who); - }; - - enum CameraFlags { - FLAGS_SET_CAMERA = 1L << 0, - FLAGS_HOT_CAMERA = 1L << 1, - }; - - int32_t mCameraFlags; - Size mVideoSize; - int32_t mVideoFrameRate; - int32_t mColorFormat; - status_t mInitCheck; - - sp<Camera> mCamera; - sp<ICameraRecordingProxy> mCameraRecordingProxy; - sp<DeathNotifier> mDeathNotifier; - sp<Surface> mSurface; - sp<MetaData> mMeta; - - int64_t mStartTimeUs; - int32_t mNumFramesReceived; - int64_t mLastFrameTimestampUs; - bool mStarted; - int32_t mNumFramesEncoded; - - // Time between capture of two frames. - int64_t mTimeBetweenFrameCaptureUs; - - CameraSource(const sp<ICamera>& camera, const sp<ICameraRecordingProxy>& proxy, - int32_t cameraId, - Size videoSize, int32_t frameRate, - const sp<Surface>& surface, - bool storeMetaDataInVideoBuffers); - - virtual void startCameraRecording(); - virtual void releaseRecordingFrame(const sp<IMemory>& frame); - - // Returns true if need to skip the current frame. - // Called from dataCallbackTimestamp. - virtual bool skipCurrentFrame(int64_t timestampUs) {return false;} - - // Callback called when still camera raw data is available. - virtual void dataCallback(int32_t msgType, const sp<IMemory> &data) {} - - virtual void dataCallbackTimestamp(int64_t timestampUs, int32_t msgType, - const sp<IMemory> &data); - -private: - friend class CameraSourceListener; - - Mutex mLock; - Condition mFrameAvailableCondition; - Condition mFrameCompleteCondition; - List<sp<IMemory> > mFramesReceived; - List<sp<IMemory> > mFramesBeingEncoded; - List<int64_t> mFrameTimes; - - int64_t mFirstFrameTimeUs; - int32_t mNumFramesDropped; - int32_t mNumGlitches; - int64_t mGlitchDurationThresholdUs; - bool mCollectStats; - bool mIsMetaDataStoredInVideoBuffers; - - void releaseQueuedFrames(); - void releaseOneRecordingFrame(const sp<IMemory>& frame); - - - status_t init(const sp<ICamera>& camera, const sp<ICameraRecordingProxy>& proxy, - int32_t cameraId, Size videoSize, int32_t frameRate, - bool storeMetaDataInVideoBuffers); - - status_t initWithCameraAccess( - const sp<ICamera>& camera, const sp<ICameraRecordingProxy>& proxy, - int32_t cameraId, Size videoSize, int32_t frameRate, - bool storeMetaDataInVideoBuffers); - - status_t isCameraAvailable(const sp<ICamera>& camera, - const sp<ICameraRecordingProxy>& proxy, - int32_t cameraId); - status_t isCameraColorFormatSupported(const CameraParameters& params); - status_t configureCamera(CameraParameters* params, - int32_t width, int32_t height, - int32_t frameRate); - - status_t checkVideoSize(const CameraParameters& params, - int32_t width, int32_t height); - - status_t checkFrameRate(const CameraParameters& params, - int32_t frameRate); - - void stopCameraRecording(); - void releaseCamera(); - status_t reset(); - - CameraSource(const CameraSource &); - CameraSource &operator=(const CameraSource &); -}; - -} // namespace android - -#endif // CAMERA_SOURCE_H_ |