| /* |
| * 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. |
| */ |
| |
| //#define LOG_NDEBUG 0 |
| #define LOG_TAG "CameraSource" |
| #include <utils/Log.h> |
| |
| #include <OMX_Component.h> |
| #include <binder/IPCThreadState.h> |
| #include <media/stagefright/foundation/ADebug.h> |
| #include <media/stagefright/CameraSource.h> |
| #include <media/stagefright/MediaDefs.h> |
| #include <media/stagefright/MediaErrors.h> |
| #include <media/stagefright/MetaData.h> |
| #include <camera/Camera.h> |
| #include <camera/CameraParameters.h> |
| #include <gui/Surface.h> |
| #include <utils/String8.h> |
| #include <cutils/properties.h> |
| |
| namespace android { |
| |
| static const int64_t CAMERA_SOURCE_TIMEOUT_NS = 3000000000LL; |
| |
| struct CameraSourceListener : public CameraListener { |
| CameraSourceListener(const sp<CameraSource> &source); |
| |
| virtual void notify(int32_t msgType, int32_t ext1, int32_t ext2); |
| virtual void postData(int32_t msgType, const sp<IMemory> &dataPtr, |
| camera_frame_metadata_t *metadata); |
| |
| virtual void postDataTimestamp( |
| nsecs_t timestamp, int32_t msgType, const sp<IMemory>& dataPtr); |
| |
| protected: |
| virtual ~CameraSourceListener(); |
| |
| private: |
| wp<CameraSource> mSource; |
| |
| CameraSourceListener(const CameraSourceListener &); |
| CameraSourceListener &operator=(const CameraSourceListener &); |
| }; |
| |
| CameraSourceListener::CameraSourceListener(const sp<CameraSource> &source) |
| : mSource(source) { |
| } |
| |
| CameraSourceListener::~CameraSourceListener() { |
| } |
| |
| void CameraSourceListener::notify(int32_t msgType, int32_t ext1, int32_t ext2) { |
| ALOGV("notify(%d, %d, %d)", msgType, ext1, ext2); |
| } |
| |
| void CameraSourceListener::postData(int32_t msgType, const sp<IMemory> &dataPtr, |
| camera_frame_metadata_t *metadata) { |
| ALOGV("postData(%d, ptr:%p, size:%d)", |
| msgType, dataPtr->pointer(), dataPtr->size()); |
| |
| sp<CameraSource> source = mSource.promote(); |
| if (source.get() != NULL) { |
| source->dataCallback(msgType, dataPtr); |
| } |
| } |
| |
| void CameraSourceListener::postDataTimestamp( |
| nsecs_t timestamp, int32_t msgType, const sp<IMemory>& dataPtr) { |
| |
| sp<CameraSource> source = mSource.promote(); |
| if (source.get() != NULL) { |
| source->dataCallbackTimestamp(timestamp/1000, msgType, dataPtr); |
| } |
| } |
| |
| static int32_t getColorFormat(const char* colorFormat) { |
| if (!strcmp(colorFormat, CameraParameters::PIXEL_FORMAT_YUV420P)) { |
| return OMX_COLOR_FormatYUV420Planar; |
| } |
| |
| if (!strcmp(colorFormat, CameraParameters::PIXEL_FORMAT_YUV422SP)) { |
| return OMX_COLOR_FormatYUV422SemiPlanar; |
| } |
| |
| if (!strcmp(colorFormat, CameraParameters::PIXEL_FORMAT_YUV420SP)) { |
| return OMX_COLOR_FormatYUV420SemiPlanar; |
| } |
| |
| if (!strcmp(colorFormat, CameraParameters::PIXEL_FORMAT_YUV422I)) { |
| return OMX_COLOR_FormatYCbYCr; |
| } |
| |
| if (!strcmp(colorFormat, CameraParameters::PIXEL_FORMAT_RGB565)) { |
| return OMX_COLOR_Format16bitRGB565; |
| } |
| |
| if (!strcmp(colorFormat, "OMX_TI_COLOR_FormatYUV420PackedSemiPlanar")) { |
| return OMX_TI_COLOR_FormatYUV420PackedSemiPlanar; |
| } |
| |
| if (!strcmp(colorFormat, CameraParameters::PIXEL_FORMAT_ANDROID_OPAQUE)) { |
| return OMX_COLOR_FormatAndroidOpaque; |
| } |
| |
| ALOGE("Uknown color format (%s), please add it to " |
| "CameraSource::getColorFormat", colorFormat); |
| |
| CHECK(!"Unknown color format"); |
| } |
| |
| CameraSource *CameraSource::Create() { |
| Size size; |
| size.width = -1; |
| size.height = -1; |
| |
| sp<ICamera> camera; |
| return new CameraSource(camera, NULL, 0, size, -1, NULL, false); |
| } |
| |
| // static |
| CameraSource *CameraSource::CreateFromCamera( |
| const sp<ICamera>& camera, |
| const sp<ICameraRecordingProxy>& proxy, |
| int32_t cameraId, |
| Size videoSize, |
| int32_t frameRate, |
| const sp<Surface>& surface, |
| bool storeMetaDataInVideoBuffers) { |
| |
| CameraSource *source = new CameraSource(camera, proxy, cameraId, |
| videoSize, frameRate, surface, |
| storeMetaDataInVideoBuffers); |
| return source; |
| } |
| |
| CameraSource::CameraSource( |
| const sp<ICamera>& camera, |
| const sp<ICameraRecordingProxy>& proxy, |
| int32_t cameraId, |
| Size videoSize, |
| int32_t frameRate, |
| const sp<Surface>& surface, |
| bool storeMetaDataInVideoBuffers) |
| : mCameraFlags(0), |
| mNumInputBuffers(0), |
| mVideoFrameRate(-1), |
| mCamera(0), |
| mSurface(surface), |
| mNumFramesReceived(0), |
| mLastFrameTimestampUs(0), |
| mStarted(false), |
| mNumFramesEncoded(0), |
| mTimeBetweenFrameCaptureUs(0), |
| mFirstFrameTimeUs(0), |
| mNumFramesDropped(0), |
| mNumGlitches(0), |
| mGlitchDurationThresholdUs(200000), |
| mCollectStats(false) { |
| mVideoSize.width = -1; |
| mVideoSize.height = -1; |
| |
| mInitCheck = init(camera, proxy, cameraId, |
| videoSize, frameRate, |
| storeMetaDataInVideoBuffers); |
| if (mInitCheck != OK) releaseCamera(); |
| } |
| |
| status_t CameraSource::initCheck() const { |
| return mInitCheck; |
| } |
| |
| status_t CameraSource::isCameraAvailable( |
| const sp<ICamera>& camera, const sp<ICameraRecordingProxy>& proxy, |
| int32_t cameraId) { |
| |
| if (camera == 0) { |
| mCamera = Camera::connect(cameraId); |
| if (mCamera == 0) return -EBUSY; |
| mCameraFlags &= ~FLAGS_HOT_CAMERA; |
| } else { |
| // We get the proxy from Camera, not ICamera. We need to get the proxy |
| // to the remote Camera owned by the application. Here mCamera is a |
| // local Camera object created by us. We cannot use the proxy from |
| // mCamera here. |
| mCamera = Camera::create(camera); |
| if (mCamera == 0) return -EBUSY; |
| mCameraRecordingProxy = proxy; |
| mCameraFlags |= FLAGS_HOT_CAMERA; |
| mDeathNotifier = new DeathNotifier(); |
| // isBinderAlive needs linkToDeath to work. |
| mCameraRecordingProxy->asBinder()->linkToDeath(mDeathNotifier); |
| } |
| |
| mCamera->lock(); |
| |
| return OK; |
| } |
| |
| |
| /* |
| * Check to see whether the requested video width and height is one |
| * of the supported sizes. |
| * @param width the video frame width in pixels |
| * @param height the video frame height in pixels |
| * @param suppportedSizes the vector of sizes that we check against |
| * @return true if the dimension (width and height) is supported. |
| */ |
| static bool isVideoSizeSupported( |
| int32_t width, int32_t height, |
| const Vector<Size>& supportedSizes) { |
| |
| ALOGV("isVideoSizeSupported"); |
| for (size_t i = 0; i < supportedSizes.size(); ++i) { |
| if (width == supportedSizes[i].width && |
| height == supportedSizes[i].height) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /* |
| * If the preview and video output is separate, we only set the |
| * the video size, and applications should set the preview size |
| * to some proper value, and the recording framework will not |
| * change the preview size; otherwise, if the video and preview |
| * output is the same, we need to set the preview to be the same |
| * as the requested video size. |
| * |
| */ |
| /* |
| * Query the camera to retrieve the supported video frame sizes |
| * and also to see whether CameraParameters::setVideoSize() |
| * is supported or not. |
| * @param params CameraParameters to retrieve the information |
| * @@param isSetVideoSizeSupported retunrs whether method |
| * CameraParameters::setVideoSize() is supported or not. |
| * @param sizes returns the vector of Size objects for the |
| * supported video frame sizes advertised by the camera. |
| */ |
| static void getSupportedVideoSizes( |
| const CameraParameters& params, |
| bool *isSetVideoSizeSupported, |
| Vector<Size>& sizes) { |
| |
| *isSetVideoSizeSupported = true; |
| params.getSupportedVideoSizes(sizes); |
| if (sizes.size() == 0) { |
| ALOGD("Camera does not support setVideoSize()"); |
| params.getSupportedPreviewSizes(sizes); |
| *isSetVideoSizeSupported = false; |
| } |
| } |
| |
| /* |
| * Check whether the camera has the supported color format |
| * @param params CameraParameters to retrieve the information |
| * @return OK if no error. |
| */ |
| status_t CameraSource::isCameraColorFormatSupported( |
| const CameraParameters& params) { |
| mColorFormat = getColorFormat(params.get( |
| CameraParameters::KEY_VIDEO_FRAME_FORMAT)); |
| if (mColorFormat == -1) { |
| return BAD_VALUE; |
| } |
| return OK; |
| } |
| |
| /* |
| * Configure the camera to use the requested video size |
| * (width and height) and/or frame rate. If both width and |
| * height are -1, configuration on the video size is skipped. |
| * if frameRate is -1, configuration on the frame rate |
| * is skipped. Skipping the configuration allows one to |
| * use the current camera setting without the need to |
| * actually know the specific values (see Create() method). |
| * |
| * @param params the CameraParameters to be configured |
| * @param width the target video frame width in pixels |
| * @param height the target video frame height in pixels |
| * @param frameRate the target frame rate in frames per second. |
| * @return OK if no error. |
| */ |
| status_t CameraSource::configureCamera( |
| CameraParameters* params, |
| int32_t width, int32_t height, |
| int32_t frameRate) { |
| ALOGV("configureCamera"); |
| Vector<Size> sizes; |
| bool isSetVideoSizeSupportedByCamera = true; |
| getSupportedVideoSizes(*params, &isSetVideoSizeSupportedByCamera, sizes); |
| bool isCameraParamChanged = false; |
| if (width != -1 && height != -1) { |
| if (!isVideoSizeSupported(width, height, sizes)) { |
| ALOGE("Video dimension (%dx%d) is unsupported", width, height); |
| return BAD_VALUE; |
| } |
| if (isSetVideoSizeSupportedByCamera) { |
| params->setVideoSize(width, height); |
| } else { |
| params->setPreviewSize(width, height); |
| } |
| isCameraParamChanged = true; |
| } else if ((width == -1 && height != -1) || |
| (width != -1 && height == -1)) { |
| // If one and only one of the width and height is -1 |
| // we reject such a request. |
| ALOGE("Requested video size (%dx%d) is not supported", width, height); |
| return BAD_VALUE; |
| } else { // width == -1 && height == -1 |
| // Do not configure the camera. |
| // Use the current width and height value setting from the camera. |
| } |
| |
| if (frameRate != -1) { |
| CHECK(frameRate > 0 && frameRate <= 120); |
| const char* supportedFrameRates = |
| params->get(CameraParameters::KEY_SUPPORTED_PREVIEW_FRAME_RATES); |
| CHECK(supportedFrameRates != NULL); |
| ALOGV("Supported frame rates: %s", supportedFrameRates); |
| char buf[4]; |
| snprintf(buf, 4, "%d", frameRate); |
| if (strstr(supportedFrameRates, buf) == NULL) { |
| ALOGE("Requested frame rate (%d) is not supported: %s", |
| frameRate, supportedFrameRates); |
| return BAD_VALUE; |
| } |
| |
| // The frame rate is supported, set the camera to the requested value. |
| params->setPreviewFrameRate(frameRate); |
| isCameraParamChanged = true; |
| } else { // frameRate == -1 |
| // Do not configure the camera. |
| // Use the current frame rate value setting from the camera |
| } |
| |
| if (isCameraParamChanged) { |
| // Either frame rate or frame size needs to be changed. |
| String8 s = params->flatten(); |
| if (OK != mCamera->setParameters(s)) { |
| ALOGE("Could not change settings." |
| " Someone else is using camera %p?", mCamera.get()); |
| return -EBUSY; |
| } |
| } |
| return OK; |
| } |
| |
| /* |
| * Check whether the requested video frame size |
| * has been successfully configured or not. If both width and height |
| * are -1, check on the current width and height value setting |
| * is performed. |
| * |
| * @param params CameraParameters to retrieve the information |
| * @param the target video frame width in pixels to check against |
| * @param the target video frame height in pixels to check against |
| * @return OK if no error |
| */ |
| status_t CameraSource::checkVideoSize( |
| const CameraParameters& params, |
| int32_t width, int32_t height) { |
| |
| ALOGV("checkVideoSize"); |
| // The actual video size is the same as the preview size |
| // if the camera hal does not support separate video and |
| // preview output. In this case, we retrieve the video |
| // size from preview. |
| int32_t frameWidthActual = -1; |
| int32_t frameHeightActual = -1; |
| Vector<Size> sizes; |
| params.getSupportedVideoSizes(sizes); |
| if (sizes.size() == 0) { |
| // video size is the same as preview size |
| params.getPreviewSize(&frameWidthActual, &frameHeightActual); |
| } else { |
| // video size may not be the same as preview |
| params.getVideoSize(&frameWidthActual, &frameHeightActual); |
| } |
| if (frameWidthActual < 0 || frameHeightActual < 0) { |
| ALOGE("Failed to retrieve video frame size (%dx%d)", |
| frameWidthActual, frameHeightActual); |
| return UNKNOWN_ERROR; |
| } |
| |
| // Check the actual video frame size against the target/requested |
| // video frame size. |
| if (width != -1 && height != -1) { |
| if (frameWidthActual != width || frameHeightActual != height) { |
| ALOGE("Failed to set video frame size to %dx%d. " |
| "The actual video size is %dx%d ", width, height, |
| frameWidthActual, frameHeightActual); |
| return UNKNOWN_ERROR; |
| } |
| } |
| |
| // Good now. |
| mVideoSize.width = frameWidthActual; |
| mVideoSize.height = frameHeightActual; |
| return OK; |
| } |
| |
| /* |
| * Check the requested frame rate has been successfully configured or not. |
| * If the target frameRate is -1, check on the current frame rate value |
| * setting is performed. |
| * |
| * @param params CameraParameters to retrieve the information |
| * @param the target video frame rate to check against |
| * @return OK if no error. |
| */ |
| status_t CameraSource::checkFrameRate( |
| const CameraParameters& params, |
| int32_t frameRate) { |
| |
| ALOGV("checkFrameRate"); |
| int32_t frameRateActual = params.getPreviewFrameRate(); |
| if (frameRateActual < 0) { |
| ALOGE("Failed to retrieve preview frame rate (%d)", frameRateActual); |
| return UNKNOWN_ERROR; |
| } |
| |
| // Check the actual video frame rate against the target/requested |
| // video frame rate. |
| if (frameRate != -1 && (frameRateActual - frameRate) != 0) { |
| ALOGE("Failed to set preview frame rate to %d fps. The actual " |
| "frame rate is %d", frameRate, frameRateActual); |
| return UNKNOWN_ERROR; |
| } |
| |
| // Good now. |
| mVideoFrameRate = frameRateActual; |
| return OK; |
| } |
| |
| /* |
| * Initialize the CameraSource to so that it becomes |
| * ready for providing the video input streams as requested. |
| * @param camera the camera object used for the video source |
| * @param cameraId if camera == 0, use camera with this id |
| * as the video source |
| * @param videoSize the target video frame size. If both |
| * width and height in videoSize is -1, use the current |
| * width and heigth settings by the camera |
| * @param frameRate the target frame rate in frames per second. |
| * if it is -1, use the current camera frame rate setting. |
| * @param storeMetaDataInVideoBuffers request to store meta |
| * data or real YUV data in video buffers. Request to |
| * store meta data in video buffers may not be honored |
| * if the source does not support this feature. |
| * |
| * @return OK if no error. |
| */ |
| status_t CameraSource::init( |
| const sp<ICamera>& camera, |
| const sp<ICameraRecordingProxy>& proxy, |
| int32_t cameraId, |
| Size videoSize, |
| int32_t frameRate, |
| bool storeMetaDataInVideoBuffers) { |
| |
| ALOGV("init"); |
| status_t err = OK; |
| int64_t token = IPCThreadState::self()->clearCallingIdentity(); |
| err = initWithCameraAccess(camera, proxy, cameraId, |
| videoSize, frameRate, |
| storeMetaDataInVideoBuffers); |
| IPCThreadState::self()->restoreCallingIdentity(token); |
| return err; |
| } |
| |
| status_t CameraSource::initWithCameraAccess( |
| const sp<ICamera>& camera, |
| const sp<ICameraRecordingProxy>& proxy, |
| int32_t cameraId, |
| Size videoSize, |
| int32_t frameRate, |
| bool storeMetaDataInVideoBuffers) { |
| ALOGV("initWithCameraAccess"); |
| status_t err = OK; |
| |
| if ((err = isCameraAvailable(camera, proxy, cameraId)) != OK) { |
| ALOGE("Camera connection could not be established."); |
| return err; |
| } |
| CameraParameters params(mCamera->getParameters()); |
| if ((err = isCameraColorFormatSupported(params)) != OK) { |
| return err; |
| } |
| |
| // Set the camera to use the requested video frame size |
| // and/or frame rate. |
| if ((err = configureCamera(¶ms, |
| videoSize.width, videoSize.height, |
| frameRate))) { |
| return err; |
| } |
| |
| // Check on video frame size and frame rate. |
| CameraParameters newCameraParams(mCamera->getParameters()); |
| if ((err = checkVideoSize(newCameraParams, |
| videoSize.width, videoSize.height)) != OK) { |
| return err; |
| } |
| if ((err = checkFrameRate(newCameraParams, frameRate)) != OK) { |
| return err; |
| } |
| |
| // Set the preview display. Skip this if mSurface is null because |
| // applications may already set a surface to the camera. |
| if (mSurface != NULL) { |
| // This CHECK is good, since we just passed the lock/unlock |
| // check earlier by calling mCamera->setParameters(). |
| CHECK_EQ((status_t)OK, mCamera->setPreviewDisplay(mSurface)); |
| } |
| |
| // By default, do not store metadata in video buffers |
| mIsMetaDataStoredInVideoBuffers = false; |
| mCamera->storeMetaDataInBuffers(false); |
| if (storeMetaDataInVideoBuffers) { |
| if (OK == mCamera->storeMetaDataInBuffers(true)) { |
| mIsMetaDataStoredInVideoBuffers = true; |
| } |
| } |
| |
| int64_t glitchDurationUs = (1000000LL / mVideoFrameRate); |
| if (glitchDurationUs > mGlitchDurationThresholdUs) { |
| mGlitchDurationThresholdUs = glitchDurationUs; |
| } |
| |
| // XXX: query camera for the stride and slice height |
| // when the capability becomes available. |
| mMeta = new MetaData; |
| mMeta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_RAW); |
| mMeta->setInt32(kKeyColorFormat, mColorFormat); |
| mMeta->setInt32(kKeyWidth, mVideoSize.width); |
| mMeta->setInt32(kKeyHeight, mVideoSize.height); |
| mMeta->setInt32(kKeyStride, mVideoSize.width); |
| mMeta->setInt32(kKeySliceHeight, mVideoSize.height); |
| mMeta->setInt32(kKeyFrameRate, mVideoFrameRate); |
| return OK; |
| } |
| |
| CameraSource::~CameraSource() { |
| if (mStarted) { |
| reset(); |
| } else if (mInitCheck == OK) { |
| // Camera is initialized but because start() is never called, |
| // the lock on Camera is never released(). This makes sure |
| // Camera's lock is released in this case. |
| releaseCamera(); |
| } |
| } |
| |
| void CameraSource::startCameraRecording() { |
| ALOGV("startCameraRecording"); |
| // Reset the identity to the current thread because media server owns the |
| // camera and recording is started by the applications. The applications |
| // will connect to the camera in ICameraRecordingProxy::startRecording. |
| int64_t token = IPCThreadState::self()->clearCallingIdentity(); |
| if (mNumInputBuffers > 0) { |
| status_t err = mCamera->sendCommand( |
| CAMERA_CMD_SET_VIDEO_BUFFER_COUNT, mNumInputBuffers, 0); |
| |
| // This could happen for CameraHAL1 clients; thus the failure is |
| // not a fatal error |
| if (err != OK) { |
| ALOGW("Failed to set video buffer count to %d due to %d", |
| mNumInputBuffers, err); |
| } |
| } |
| |
| if (mCameraFlags & FLAGS_HOT_CAMERA) { |
| mCamera->unlock(); |
| mCamera.clear(); |
| CHECK_EQ((status_t)OK, |
| mCameraRecordingProxy->startRecording(new ProxyListener(this))); |
| } else { |
| mCamera->setListener(new CameraSourceListener(this)); |
| mCamera->startRecording(); |
| CHECK(mCamera->recordingEnabled()); |
| } |
| IPCThreadState::self()->restoreCallingIdentity(token); |
| } |
| |
| status_t CameraSource::start(MetaData *meta) { |
| ALOGV("start"); |
| CHECK(!mStarted); |
| if (mInitCheck != OK) { |
| ALOGE("CameraSource is not initialized yet"); |
| return mInitCheck; |
| } |
| |
| char value[PROPERTY_VALUE_MAX]; |
| if (property_get("media.stagefright.record-stats", value, NULL) |
| && (!strcmp(value, "1") || !strcasecmp(value, "true"))) { |
| mCollectStats = true; |
| } |
| |
| mStartTimeUs = 0; |
| mNumInputBuffers = 0; |
| if (meta) { |
| int64_t startTimeUs; |
| if (meta->findInt64(kKeyTime, &startTimeUs)) { |
| mStartTimeUs = startTimeUs; |
| } |
| |
| int32_t nBuffers; |
| if (meta->findInt32(kKeyNumBuffers, &nBuffers)) { |
| CHECK_GT(nBuffers, 0); |
| mNumInputBuffers = nBuffers; |
| } |
| } |
| |
| startCameraRecording(); |
| |
| mStarted = true; |
| return OK; |
| } |
| |
| void CameraSource::stopCameraRecording() { |
| ALOGV("stopCameraRecording"); |
| if (mCameraFlags & FLAGS_HOT_CAMERA) { |
| mCameraRecordingProxy->stopRecording(); |
| } else { |
| mCamera->setListener(NULL); |
| mCamera->stopRecording(); |
| } |
| } |
| |
| void CameraSource::releaseCamera() { |
| ALOGV("releaseCamera"); |
| if (mCamera != 0) { |
| int64_t token = IPCThreadState::self()->clearCallingIdentity(); |
| if ((mCameraFlags & FLAGS_HOT_CAMERA) == 0) { |
| ALOGV("Camera was cold when we started, stopping preview"); |
| mCamera->stopPreview(); |
| mCamera->disconnect(); |
| } |
| mCamera->unlock(); |
| mCamera.clear(); |
| mCamera = 0; |
| IPCThreadState::self()->restoreCallingIdentity(token); |
| } |
| if (mCameraRecordingProxy != 0) { |
| mCameraRecordingProxy->asBinder()->unlinkToDeath(mDeathNotifier); |
| mCameraRecordingProxy.clear(); |
| } |
| mCameraFlags = 0; |
| } |
| |
| status_t CameraSource::reset() { |
| ALOGD("reset: E"); |
| Mutex::Autolock autoLock(mLock); |
| mStarted = false; |
| mFrameAvailableCondition.signal(); |
| |
| int64_t token; |
| bool isTokenValid = false; |
| if (mCamera != 0) { |
| token = IPCThreadState::self()->clearCallingIdentity(); |
| isTokenValid = true; |
| } |
| releaseQueuedFrames(); |
| while (!mFramesBeingEncoded.empty()) { |
| if (NO_ERROR != |
| mFrameCompleteCondition.waitRelative(mLock, |
| mTimeBetweenFrameCaptureUs * 1000LL + CAMERA_SOURCE_TIMEOUT_NS)) { |
| ALOGW("Timed out waiting for outstanding frames being encoded: %d", |
| mFramesBeingEncoded.size()); |
| } |
| } |
| stopCameraRecording(); |
| releaseCamera(); |
| if (isTokenValid) { |
| IPCThreadState::self()->restoreCallingIdentity(token); |
| } |
| |
| if (mCollectStats) { |
| ALOGI("Frames received/encoded/dropped: %d/%d/%d in %lld us", |
| mNumFramesReceived, mNumFramesEncoded, mNumFramesDropped, |
| mLastFrameTimestampUs - mFirstFrameTimeUs); |
| } |
| |
| if (mNumGlitches > 0) { |
| ALOGW("%d long delays between neighboring video frames", mNumGlitches); |
| } |
| |
| CHECK_EQ(mNumFramesReceived, mNumFramesEncoded + mNumFramesDropped); |
| ALOGD("reset: X"); |
| return OK; |
| } |
| |
| void CameraSource::releaseRecordingFrame(const sp<IMemory>& frame) { |
| ALOGV("releaseRecordingFrame"); |
| if (mCameraRecordingProxy != NULL) { |
| mCameraRecordingProxy->releaseRecordingFrame(frame); |
| } else if (mCamera != NULL) { |
| int64_t token = IPCThreadState::self()->clearCallingIdentity(); |
| mCamera->releaseRecordingFrame(frame); |
| IPCThreadState::self()->restoreCallingIdentity(token); |
| } |
| } |
| |
| void CameraSource::releaseQueuedFrames() { |
| List<sp<IMemory> >::iterator it; |
| while (!mFramesReceived.empty()) { |
| it = mFramesReceived.begin(); |
| releaseRecordingFrame(*it); |
| mFramesReceived.erase(it); |
| ++mNumFramesDropped; |
| } |
| } |
| |
| sp<MetaData> CameraSource::getFormat() { |
| return mMeta; |
| } |
| |
| void CameraSource::releaseOneRecordingFrame(const sp<IMemory>& frame) { |
| releaseRecordingFrame(frame); |
| } |
| |
| void CameraSource::signalBufferReturned(MediaBuffer *buffer) { |
| ALOGV("signalBufferReturned: %p", buffer->data()); |
| Mutex::Autolock autoLock(mLock); |
| for (List<sp<IMemory> >::iterator it = mFramesBeingEncoded.begin(); |
| it != mFramesBeingEncoded.end(); ++it) { |
| if ((*it)->pointer() == buffer->data()) { |
| releaseOneRecordingFrame((*it)); |
| mFramesBeingEncoded.erase(it); |
| ++mNumFramesEncoded; |
| buffer->setObserver(0); |
| buffer->release(); |
| mFrameCompleteCondition.signal(); |
| return; |
| } |
| } |
| CHECK(!"signalBufferReturned: bogus buffer"); |
| } |
| |
| status_t CameraSource::read( |
| MediaBuffer **buffer, const ReadOptions *options) { |
| ALOGV("read"); |
| |
| *buffer = NULL; |
| |
| int64_t seekTimeUs; |
| ReadOptions::SeekMode mode; |
| if (options && options->getSeekTo(&seekTimeUs, &mode)) { |
| return ERROR_UNSUPPORTED; |
| } |
| |
| sp<IMemory> frame; |
| int64_t frameTime; |
| |
| { |
| Mutex::Autolock autoLock(mLock); |
| while (mStarted && mFramesReceived.empty()) { |
| if (NO_ERROR != |
| mFrameAvailableCondition.waitRelative(mLock, |
| mTimeBetweenFrameCaptureUs * 1000LL + CAMERA_SOURCE_TIMEOUT_NS)) { |
| if (mCameraRecordingProxy != 0 && |
| !mCameraRecordingProxy->asBinder()->isBinderAlive()) { |
| ALOGW("camera recording proxy is gone"); |
| return ERROR_END_OF_STREAM; |
| } |
| ALOGW("Timed out waiting for incoming camera video frames: %lld us", |
| mLastFrameTimestampUs); |
| } |
| } |
| if (!mStarted) { |
| return OK; |
| } |
| frame = *mFramesReceived.begin(); |
| mFramesReceived.erase(mFramesReceived.begin()); |
| |
| frameTime = *mFrameTimes.begin(); |
| mFrameTimes.erase(mFrameTimes.begin()); |
| mFramesBeingEncoded.push_back(frame); |
| *buffer = new MediaBuffer(frame->pointer(), frame->size()); |
| (*buffer)->setObserver(this); |
| (*buffer)->add_ref(); |
| (*buffer)->meta_data()->setInt64(kKeyTime, frameTime); |
| } |
| return OK; |
| } |
| |
| void CameraSource::dataCallbackTimestamp(int64_t timestampUs, |
| int32_t msgType, const sp<IMemory> &data) { |
| ALOGV("dataCallbackTimestamp: timestamp %lld us", timestampUs); |
| Mutex::Autolock autoLock(mLock); |
| if (!mStarted || (mNumFramesReceived == 0 && timestampUs < mStartTimeUs)) { |
| ALOGV("Drop frame at %lld/%lld us", timestampUs, mStartTimeUs); |
| releaseOneRecordingFrame(data); |
| return; |
| } |
| |
| if (mNumFramesReceived > 0) { |
| CHECK(timestampUs > mLastFrameTimestampUs); |
| if (timestampUs - mLastFrameTimestampUs > mGlitchDurationThresholdUs) { |
| ++mNumGlitches; |
| } |
| } |
| |
| // May need to skip frame or modify timestamp. Currently implemented |
| // by the subclass CameraSourceTimeLapse. |
| if (skipCurrentFrame(timestampUs)) { |
| releaseOneRecordingFrame(data); |
| return; |
| } |
| |
| mLastFrameTimestampUs = timestampUs; |
| if (mNumFramesReceived == 0) { |
| mFirstFrameTimeUs = timestampUs; |
| // Initial delay |
| if (mStartTimeUs > 0) { |
| if (timestampUs < mStartTimeUs) { |
| // Frame was captured before recording was started |
| // Drop it without updating the statistical data. |
| releaseOneRecordingFrame(data); |
| return; |
| } |
| mStartTimeUs = timestampUs - mStartTimeUs; |
| } |
| } |
| ++mNumFramesReceived; |
| |
| CHECK(data != NULL && data->size() > 0); |
| mFramesReceived.push_back(data); |
| int64_t timeUs = mStartTimeUs + (timestampUs - mFirstFrameTimeUs); |
| mFrameTimes.push_back(timeUs); |
| ALOGV("initial delay: %lld, current time stamp: %lld", |
| mStartTimeUs, timeUs); |
| mFrameAvailableCondition.signal(); |
| } |
| |
| bool CameraSource::isMetaDataStoredInVideoBuffers() const { |
| ALOGV("isMetaDataStoredInVideoBuffers"); |
| return mIsMetaDataStoredInVideoBuffers; |
| } |
| |
| CameraSource::ProxyListener::ProxyListener(const sp<CameraSource>& source) { |
| mSource = source; |
| } |
| |
| void CameraSource::ProxyListener::dataCallbackTimestamp( |
| nsecs_t timestamp, int32_t msgType, const sp<IMemory>& dataPtr) { |
| mSource->dataCallbackTimestamp(timestamp / 1000, msgType, dataPtr); |
| } |
| |
| void CameraSource::DeathNotifier::binderDied(const wp<IBinder>& who) { |
| ALOGI("Camera recording proxy died"); |
| } |
| |
| } // namespace android |
