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772 lines
26 KiB
C++
772 lines
26 KiB
C++
/*
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* Copyright (C) 2009 The Android Open Source Project
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* Copyright (C) 2013 Mozilla Foundation
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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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#include <base/basictypes.h>
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#include "nsDebug.h"
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#define DOM_CAMERA_LOG_LEVEL 3
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#include "CameraCommon.h"
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/*
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#define CS_LOGD(...) DOM_CAMERA_LOGA(__VA_ARGS__)
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#define CS_LOGV(...) DOM_CAMERA_LOGI(__VA_ARGS__)
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#define CS_LOGI(...) DOM_CAMERA_LOGI(__VA_ARGS__)
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#define CS_LOGW(...) DOM_CAMERA_LOGW(__VA_ARGS__)
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#define CS_LOGE(...) DOM_CAMERA_LOGE(__VA_ARGS__)
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*/
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#define CS_LOGD(fmt, ...) DOM_CAMERA_LOGA("[%s:%d]" fmt,__FILE__,__LINE__, ## __VA_ARGS__)
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#define CS_LOGV(fmt, ...) DOM_CAMERA_LOGI("[%s:%d]" fmt,__FILE__,__LINE__, ## __VA_ARGS__)
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#define CS_LOGI(fmt, ...) DOM_CAMERA_LOGI("[%s:%d]" fmt,__FILE__,__LINE__, ## __VA_ARGS__)
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#define CS_LOGW(fmt, ...) DOM_CAMERA_LOGW("[%s:%d]" fmt,__FILE__,__LINE__, ## __VA_ARGS__)
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#define CS_LOGE(fmt, ...) DOM_CAMERA_LOGE("[%s:%d]" fmt,__FILE__,__LINE__, ## __VA_ARGS__)
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#include <OMX_Component.h>
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#include <binder/IPCThreadState.h>
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#include <media/stagefright/foundation/ADebug.h>
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#include <media/stagefright/MediaDefs.h>
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#include <media/stagefright/MediaErrors.h>
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#include <media/stagefright/MetaData.h>
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#include <camera/CameraParameters.h>
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#include <utils/String8.h>
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#include <cutils/properties.h>
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#include "GonkCameraSource.h"
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#include "GonkCameraListener.h"
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#include "GonkCameraHwMgr.h"
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using namespace mozilla;
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namespace android {
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static const int64_t CAMERA_SOURCE_TIMEOUT_NS = 3000000000LL;
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struct GonkCameraSourceListener : public GonkCameraListener {
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GonkCameraSourceListener(const sp<GonkCameraSource> &source);
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virtual void notify(int32_t msgType, int32_t ext1, int32_t ext2);
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virtual bool postData(int32_t msgType, const sp<IMemory> &dataPtr,
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camera_frame_metadata_t *metadata);
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virtual bool postDataTimestamp(
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nsecs_t timestamp, int32_t msgType, const sp<IMemory>& dataPtr);
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protected:
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virtual ~GonkCameraSourceListener();
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private:
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wp<GonkCameraSource> mSource;
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GonkCameraSourceListener(const GonkCameraSourceListener &);
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GonkCameraSourceListener &operator=(const GonkCameraSourceListener &);
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};
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GonkCameraSourceListener::GonkCameraSourceListener(const sp<GonkCameraSource> &source)
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: mSource(source) {
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}
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GonkCameraSourceListener::~GonkCameraSourceListener() {
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}
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void GonkCameraSourceListener::notify(int32_t msgType, int32_t ext1, int32_t ext2) {
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CS_LOGV("notify(%d, %d, %d)", msgType, ext1, ext2);
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}
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bool GonkCameraSourceListener::postData(int32_t msgType, const sp<IMemory> &dataPtr,
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camera_frame_metadata_t *metadata) {
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CS_LOGV("postData(%d, ptr:%p, size:%d)",
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msgType, dataPtr->pointer(), dataPtr->size());
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sp<GonkCameraSource> source = mSource.promote();
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if (source.get() != NULL) {
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source->dataCallback(msgType, dataPtr);
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return true;
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}
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return false;
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}
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bool GonkCameraSourceListener::postDataTimestamp(
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nsecs_t timestamp, int32_t msgType, const sp<IMemory>& dataPtr) {
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sp<GonkCameraSource> source = mSource.promote();
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if (source.get() != NULL) {
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source->dataCallbackTimestamp(timestamp/1000, msgType, dataPtr);
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return true;
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}
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return false;
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}
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static int32_t getColorFormat(const char* colorFormat) {
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return OMX_COLOR_FormatYUV420SemiPlanar; //XXX nsGonkCameraControl uses only YUV420SemiPlanar
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if (!strcmp(colorFormat, CameraParameters::PIXEL_FORMAT_YUV420P)) {
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return OMX_COLOR_FormatYUV420Planar;
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}
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if (!strcmp(colorFormat, CameraParameters::PIXEL_FORMAT_YUV422SP)) {
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return OMX_COLOR_FormatYUV422SemiPlanar;
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}
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if (!strcmp(colorFormat, CameraParameters::PIXEL_FORMAT_YUV420SP)) {
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return OMX_COLOR_FormatYUV420SemiPlanar;
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}
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if (!strcmp(colorFormat, CameraParameters::PIXEL_FORMAT_YUV422I)) {
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return OMX_COLOR_FormatYCbYCr;
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}
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if (!strcmp(colorFormat, CameraParameters::PIXEL_FORMAT_RGB565)) {
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return OMX_COLOR_Format16bitRGB565;
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}
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if (!strcmp(colorFormat, "OMX_TI_COLOR_FormatYUV420PackedSemiPlanar")) {
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return OMX_TI_COLOR_FormatYUV420PackedSemiPlanar;
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}
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#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
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if (!strcmp(colorFormat, CameraParameters::PIXEL_FORMAT_ANDROID_OPAQUE)) {
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return OMX_COLOR_FormatAndroidOpaque;
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}
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#endif
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CS_LOGE("Uknown color format (%s), please add it to "
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"GonkCameraSource::getColorFormat", colorFormat);
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CHECK(!"Unknown color format");
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}
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GonkCameraSource *GonkCameraSource::Create(
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const sp<GonkCameraHardware>& aCameraHw,
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Size videoSize,
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int32_t frameRate,
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bool storeMetaDataInVideoBuffers) {
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GonkCameraSource *source = new GonkCameraSource(aCameraHw,
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videoSize, frameRate,
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storeMetaDataInVideoBuffers);
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return source;
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}
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GonkCameraSource::GonkCameraSource(
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const sp<GonkCameraHardware>& aCameraHw,
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Size videoSize,
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int32_t frameRate,
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bool storeMetaDataInVideoBuffers)
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: mCameraFlags(0),
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mNumInputBuffers(0),
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mVideoFrameRate(-1),
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mNumFramesReceived(0),
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mLastFrameTimestampUs(0),
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mStarted(false),
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mNumFramesEncoded(0),
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mTimeBetweenFrameCaptureUs(0),
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mRateLimit(false),
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mFirstFrameTimeUs(0),
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mNumFramesDropped(0),
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mNumGlitches(0),
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mGlitchDurationThresholdUs(200000),
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mCollectStats(false),
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mCameraHw(aCameraHw) {
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mVideoSize.width = -1;
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mVideoSize.height = -1;
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mInitCheck = init(
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videoSize, frameRate,
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storeMetaDataInVideoBuffers);
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if (mInitCheck != OK) releaseCamera();
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}
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status_t GonkCameraSource::initCheck() const {
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return mInitCheck;
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}
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//TODO: Do we need to reimplement isCameraAvailable?
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/*
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* Check to see whether the requested video width and height is one
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* of the supported sizes.
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* @param width the video frame width in pixels
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* @param height the video frame height in pixels
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* @param suppportedSizes the vector of sizes that we check against
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* @return true if the dimension (width and height) is supported.
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*/
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static bool isVideoSizeSupported(
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int32_t width, int32_t height,
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const Vector<Size>& supportedSizes) {
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CS_LOGV("isVideoSizeSupported");
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for (size_t i = 0; i < supportedSizes.size(); ++i) {
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if (width == supportedSizes[i].width &&
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height == supportedSizes[i].height) {
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return true;
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}
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}
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return false;
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}
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/*
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* If the preview and video output is separate, we only set the
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* the video size, and applications should set the preview size
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* to some proper value, and the recording framework will not
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* change the preview size; otherwise, if the video and preview
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* output is the same, we need to set the preview to be the same
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* as the requested video size.
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*
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*/
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/*
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* Query the camera to retrieve the supported video frame sizes
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* and also to see whether CameraParameters::setVideoSize()
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* is supported or not.
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* @param params CameraParameters to retrieve the information
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* @@param isSetVideoSizeSupported retunrs whether method
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* CameraParameters::setVideoSize() is supported or not.
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* @param sizes returns the vector of Size objects for the
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* supported video frame sizes advertised by the camera.
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*/
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static void getSupportedVideoSizes(
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const CameraParameters& params,
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bool *isSetVideoSizeSupported,
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Vector<Size>& sizes) {
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*isSetVideoSizeSupported = true;
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params.getSupportedVideoSizes(sizes);
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if (sizes.size() == 0) {
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CS_LOGD("Camera does not support setVideoSize()");
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params.getSupportedPreviewSizes(sizes);
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*isSetVideoSizeSupported = false;
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}
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}
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/*
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* Check whether the camera has the supported color format
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* @param params CameraParameters to retrieve the information
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* @return OK if no error.
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*/
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status_t GonkCameraSource::isCameraColorFormatSupported(
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const CameraParameters& params) {
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mColorFormat = getColorFormat(params.get(
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CameraParameters::KEY_VIDEO_FRAME_FORMAT));
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if (mColorFormat == -1) {
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return BAD_VALUE;
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}
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return OK;
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}
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/*
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* Configure the camera to use the requested video size
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* (width and height) and/or frame rate. If both width and
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* height are -1, configuration on the video size is skipped.
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* if frameRate is -1, configuration on the frame rate
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* is skipped. Skipping the configuration allows one to
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* use the current camera setting without the need to
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* actually know the specific values (see Create() method).
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*
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* @param params the CameraParameters to be configured
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* @param width the target video frame width in pixels
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* @param height the target video frame height in pixels
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* @param frameRate the target frame rate in frames per second.
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* @return OK if no error.
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*/
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status_t GonkCameraSource::configureCamera(
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CameraParameters* params,
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int32_t width, int32_t height,
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int32_t frameRate) {
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CS_LOGV("configureCamera");
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Vector<Size> sizes;
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bool isSetVideoSizeSupportedByCamera = true;
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getSupportedVideoSizes(*params, &isSetVideoSizeSupportedByCamera, sizes);
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bool isCameraParamChanged = false;
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if (width != -1 && height != -1) {
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if (!isVideoSizeSupported(width, height, sizes)) {
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CS_LOGE("Video dimension (%dx%d) is unsupported", width, height);
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return BAD_VALUE;
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}
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if (isSetVideoSizeSupportedByCamera) {
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params->setVideoSize(width, height);
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} else {
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params->setPreviewSize(width, height);
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}
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isCameraParamChanged = true;
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} else if ((width == -1 && height != -1) ||
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(width != -1 && height == -1)) {
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// If one and only one of the width and height is -1
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// we reject such a request.
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CS_LOGE("Requested video size (%dx%d) is not supported", width, height);
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return BAD_VALUE;
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} else { // width == -1 && height == -1
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// Do not configure the camera.
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// Use the current width and height value setting from the camera.
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}
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if (frameRate != -1) {
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CHECK(frameRate > 0 && frameRate <= 120);
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const char* supportedFrameRates =
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params->get(CameraParameters::KEY_SUPPORTED_PREVIEW_FRAME_RATES);
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CHECK(supportedFrameRates != NULL);
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CS_LOGV("Supported frame rates: %s", supportedFrameRates);
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char buf[4];
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snprintf(buf, 4, "%d", frameRate);
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if (strstr(supportedFrameRates, buf) == NULL) {
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CS_LOGE("Requested frame rate (%d) is not supported: %s",
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frameRate, supportedFrameRates);
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return BAD_VALUE;
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}
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// The frame rate is supported, set the camera to the requested value.
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params->setPreviewFrameRate(frameRate);
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isCameraParamChanged = true;
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} else { // frameRate == -1
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// Do not configure the camera.
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// Use the current frame rate value setting from the camera
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}
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if (isCameraParamChanged) {
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// Either frame rate or frame size needs to be changed.
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if (OK != mCameraHw->PushParameters(*params)) {
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CS_LOGE("Could not change settings."
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" Someone else is using camera?");
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return -EBUSY;
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}
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}
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return OK;
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}
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/*
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* Check whether the requested video frame size
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* has been successfully configured or not. If both width and height
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* are -1, check on the current width and height value setting
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* is performed.
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*
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* @param params CameraParameters to retrieve the information
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* @param the target video frame width in pixels to check against
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* @param the target video frame height in pixels to check against
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* @return OK if no error
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*/
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status_t GonkCameraSource::checkVideoSize(
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const CameraParameters& params,
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int32_t width, int32_t height) {
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CS_LOGV("checkVideoSize");
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// The actual video size is the same as the preview size
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// if the camera hal does not support separate video and
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// preview output. In this case, we retrieve the video
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// size from preview.
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int32_t frameWidthActual = -1;
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int32_t frameHeightActual = -1;
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Vector<Size> sizes;
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params.getSupportedVideoSizes(sizes);
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if (sizes.size() == 0) {
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// video size is the same as preview size
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params.getPreviewSize(&frameWidthActual, &frameHeightActual);
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} else {
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// video size may not be the same as preview
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params.getVideoSize(&frameWidthActual, &frameHeightActual);
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}
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if (frameWidthActual < 0 || frameHeightActual < 0) {
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CS_LOGE("Failed to retrieve video frame size (%dx%d)",
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frameWidthActual, frameHeightActual);
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return UNKNOWN_ERROR;
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}
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// Check the actual video frame size against the target/requested
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// video frame size.
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if (width != -1 && height != -1) {
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if (frameWidthActual != width || frameHeightActual != height) {
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CS_LOGE("Failed to set video frame size to %dx%d. "
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"The actual video size is %dx%d ", width, height,
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frameWidthActual, frameHeightActual);
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return UNKNOWN_ERROR;
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}
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}
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// Good now.
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mVideoSize.width = frameWidthActual;
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mVideoSize.height = frameHeightActual;
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return OK;
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}
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/*
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* Check the requested frame rate has been successfully configured or not.
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* If the target frameRate is -1, check on the current frame rate value
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* setting is performed.
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*
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* @param params CameraParameters to retrieve the information
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* @param the target video frame rate to check against
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* @return OK if no error.
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*/
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status_t GonkCameraSource::checkFrameRate(
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const CameraParameters& params,
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int32_t frameRate) {
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CS_LOGV("checkFrameRate");
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int32_t frameRateActual = params.getPreviewFrameRate();
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if (frameRateActual < 0) {
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CS_LOGE("Failed to retrieve preview frame rate (%d)", frameRateActual);
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return UNKNOWN_ERROR;
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}
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// Check the actual video frame rate against the target/requested
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// video frame rate.
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if (frameRate != -1 && (frameRateActual - frameRate) != 0) {
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CS_LOGE("Failed to set preview frame rate to %d fps. The actual "
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"frame rate is %d", frameRate, frameRateActual);
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return UNKNOWN_ERROR;
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}
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// Good now.
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mVideoFrameRate = frameRateActual;
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return OK;
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}
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/*
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* Initialize the GonkCameraSource so that it becomes
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* ready for providing the video input streams as requested.
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* @param camera the camera object used for the video source
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* @param cameraId if camera == 0, use camera with this id
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* as the video source
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* @param videoSize the target video frame size. If both
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* width and height in videoSize is -1, use the current
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* width and heigth settings by the camera
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* @param frameRate the target frame rate in frames per second.
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* if it is -1, use the current camera frame rate setting.
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* @param storeMetaDataInVideoBuffers request to store meta
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* data or real YUV data in video buffers. Request to
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* store meta data in video buffers may not be honored
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* if the source does not support this feature.
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*
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* @return OK if no error.
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*/
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status_t GonkCameraSource::init(
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Size videoSize,
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int32_t frameRate,
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bool storeMetaDataInVideoBuffers) {
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CS_LOGV("init");
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status_t err = OK;
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//TODO: need to do something here to check the sanity of camera
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CameraParameters params;
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mCameraHw->PullParameters(params);
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if ((err = isCameraColorFormatSupported(params)) != OK) {
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return err;
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}
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// Set the camera to use the requested video frame size
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// and/or frame rate.
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if ((err = configureCamera(¶ms,
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videoSize.width, videoSize.height,
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frameRate))) {
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return err;
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}
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// Check on video frame size and frame rate.
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CameraParameters newCameraParams;
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mCameraHw->PullParameters(newCameraParams);
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if ((err = checkVideoSize(newCameraParams,
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videoSize.width, videoSize.height)) != OK) {
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return err;
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}
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if ((err = checkFrameRate(newCameraParams, frameRate)) != OK) {
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return err;
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}
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// By default, do not store metadata in video buffers
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mIsMetaDataStoredInVideoBuffers = false;
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mCameraHw->StoreMetaDataInBuffers(false);
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if (storeMetaDataInVideoBuffers) {
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if (OK == mCameraHw->StoreMetaDataInBuffers(true)) {
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mIsMetaDataStoredInVideoBuffers = true;
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}
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}
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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;
|
|
}
|
|
|
|
GonkCameraSource::~GonkCameraSource() {
|
|
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.
|
|
// TODO: Don't think I need to do this
|
|
releaseCamera();
|
|
}
|
|
}
|
|
|
|
int GonkCameraSource::startCameraRecording() {
|
|
CS_LOGV("startCameraRecording");
|
|
return mCameraHw->StartRecording();
|
|
}
|
|
|
|
status_t GonkCameraSource::start(MetaData *meta) {
|
|
int rv;
|
|
|
|
CS_LOGV("start");
|
|
CHECK(!mStarted);
|
|
if (mInitCheck != OK) {
|
|
CS_LOGE("GonkCameraSource 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;
|
|
}
|
|
#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
|
|
int32_t nBuffers;
|
|
if (meta->findInt32(kKeyNumBuffers, &nBuffers)) {
|
|
CHECK_GT(nBuffers, 0);
|
|
mNumInputBuffers = nBuffers;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
// Register a listener with GonkCameraHardware so that we can get callbacks
|
|
mCameraHw->SetListener(new GonkCameraSourceListener(this));
|
|
|
|
rv = startCameraRecording();
|
|
|
|
mStarted = (rv == OK);
|
|
return rv;
|
|
}
|
|
|
|
void GonkCameraSource::stopCameraRecording() {
|
|
CS_LOGV("stopCameraRecording");
|
|
mCameraHw->StopRecording();
|
|
}
|
|
|
|
void GonkCameraSource::releaseCamera() {
|
|
CS_LOGV("releaseCamera");
|
|
}
|
|
|
|
status_t GonkCameraSource::reset() {
|
|
CS_LOGD("reset: E");
|
|
Mutex::Autolock autoLock(mLock);
|
|
mStarted = false;
|
|
mFrameAvailableCondition.signal();
|
|
|
|
releaseQueuedFrames();
|
|
while (!mFramesBeingEncoded.empty()) {
|
|
if (NO_ERROR !=
|
|
mFrameCompleteCondition.waitRelative(mLock,
|
|
mTimeBetweenFrameCaptureUs * 1000LL + CAMERA_SOURCE_TIMEOUT_NS)) {
|
|
CS_LOGW("Timed out waiting for outstanding frames being encoded: %d",
|
|
mFramesBeingEncoded.size());
|
|
}
|
|
}
|
|
stopCameraRecording();
|
|
if (mRateLimit) {
|
|
mRateLimit = false;
|
|
mCameraHw->OnRateLimitPreview(false);
|
|
}
|
|
releaseCamera();
|
|
|
|
if (mCollectStats) {
|
|
CS_LOGI("Frames received/encoded/dropped: %d/%d/%d in %lld us",
|
|
mNumFramesReceived, mNumFramesEncoded, mNumFramesDropped,
|
|
mLastFrameTimestampUs - mFirstFrameTimeUs);
|
|
}
|
|
|
|
if (mNumGlitches > 0) {
|
|
CS_LOGW("%d long delays between neighboring video frames", mNumGlitches);
|
|
}
|
|
|
|
CHECK_EQ(mNumFramesReceived, mNumFramesEncoded + mNumFramesDropped);
|
|
CS_LOGD("reset: X");
|
|
return OK;
|
|
}
|
|
|
|
void GonkCameraSource::releaseRecordingFrame(const sp<IMemory>& frame) {
|
|
CS_LOGV("releaseRecordingFrame");
|
|
mCameraHw->ReleaseRecordingFrame(frame);
|
|
}
|
|
|
|
void GonkCameraSource::releaseQueuedFrames() {
|
|
List<sp<IMemory> >::iterator it;
|
|
while (!mFramesReceived.empty()) {
|
|
it = mFramesReceived.begin();
|
|
releaseRecordingFrame(*it);
|
|
mFramesReceived.erase(it);
|
|
++mNumFramesDropped;
|
|
}
|
|
}
|
|
|
|
sp<MetaData> GonkCameraSource::getFormat() {
|
|
return mMeta;
|
|
}
|
|
|
|
void GonkCameraSource::releaseOneRecordingFrame(const sp<IMemory>& frame) {
|
|
releaseRecordingFrame(frame);
|
|
}
|
|
|
|
void GonkCameraSource::signalBufferReturned(MediaBuffer *buffer) {
|
|
CS_LOGV("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 GonkCameraSource::read(
|
|
MediaBuffer **buffer, const ReadOptions *options) {
|
|
CS_LOGV("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)) {
|
|
//TODO: check sanity of camera?
|
|
CS_LOGW("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 GonkCameraSource::dataCallbackTimestamp(int64_t timestampUs,
|
|
int32_t msgType, const sp<IMemory> &data) {
|
|
bool rateLimit;
|
|
bool prevRateLimit;
|
|
CS_LOGV("dataCallbackTimestamp: timestamp %lld us", timestampUs);
|
|
{
|
|
Mutex::Autolock autoLock(mLock);
|
|
if (!mStarted || (mNumFramesReceived == 0 && timestampUs < mStartTimeUs)) {
|
|
CS_LOGV("Drop frame at %lld/%lld us", timestampUs, mStartTimeUs);
|
|
releaseOneRecordingFrame(data);
|
|
return;
|
|
}
|
|
|
|
if (mNumFramesReceived > 0) {
|
|
if (timestampUs <= mLastFrameTimestampUs) {
|
|
CS_LOGE("Drop frame at %lld us, before last at %lld us",
|
|
timestampUs, mLastFrameTimestampUs);
|
|
releaseOneRecordingFrame(data);
|
|
return;
|
|
}
|
|
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;
|
|
|
|
// If a backlog is building up in the receive queue, we are likely
|
|
// resource constrained and we need to throttle
|
|
prevRateLimit = mRateLimit;
|
|
rateLimit = mFramesReceived.empty();
|
|
mRateLimit = rateLimit;
|
|
|
|
CHECK(data != NULL && data->size() > 0);
|
|
mFramesReceived.push_back(data);
|
|
int64_t timeUs = mStartTimeUs + (timestampUs - mFirstFrameTimeUs);
|
|
mFrameTimes.push_back(timeUs);
|
|
CS_LOGV("initial delay: %lld, current time stamp: %lld",
|
|
mStartTimeUs, timeUs);
|
|
mFrameAvailableCondition.signal();
|
|
}
|
|
|
|
if(prevRateLimit != rateLimit) {
|
|
mCameraHw->OnRateLimitPreview(rateLimit);
|
|
}
|
|
}
|
|
|
|
bool GonkCameraSource::isMetaDataStoredInVideoBuffers() const {
|
|
CS_LOGV("isMetaDataStoredInVideoBuffers");
|
|
return mIsMetaDataStoredInVideoBuffers;
|
|
}
|
|
|
|
} // namespace android
|