blob: 4e34a262489b6ec02592d3cb3f94d39ea270ac2b [file] [log] [blame]
/*
* 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.
*/
#include <inttypes.h>
//#define LOG_NDEBUG 0
#define LOG_TAG "CameraSource"
#include <utils/Log.h>
#include <OMX_Component.h>
#include <binder/IPCThreadState.h>
#include <binder/MemoryBase.h>
#include <binder/MemoryHeapBase.h>
#include <media/hardware/HardwareAPI.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>
#if LOG_NDEBUG
#define UNUSED_UNLESS_VERBOSE(x) (void)(x)
#else
#define UNUSED_UNLESS_VERBOSE(x)
#endif
namespace android {
static const int64_t CAMERA_SOURCE_TIMEOUT_NS = 3000000000LL;
struct CameraSourceListener : public CameraListener {
explicit 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);
virtual void postRecordingFrameHandleTimestamp(nsecs_t timestamp, native_handle_t* handle);
virtual void postRecordingFrameHandleTimestampBatch(
const std::vector<nsecs_t>& timestamps,
const std::vector<native_handle_t*>& handles);
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) {
UNUSED_UNLESS_VERBOSE(msgType);
UNUSED_UNLESS_VERBOSE(ext1);
UNUSED_UNLESS_VERBOSE(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:%zu)",
msgType, dataPtr->unsecurePointer(), 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);
}
}
void CameraSourceListener::postRecordingFrameHandleTimestamp(nsecs_t timestamp,
native_handle_t* handle) {
sp<CameraSource> source = mSource.promote();
if (source.get() != nullptr) {
source->recordingFrameHandleCallbackTimestamp(timestamp/1000, handle);
}
}
void CameraSourceListener::postRecordingFrameHandleTimestampBatch(
const std::vector<nsecs_t>& timestamps,
const std::vector<native_handle_t*>& handles) {
sp<CameraSource> source = mSource.promote();
if (source.get() != nullptr) {
int n = timestamps.size();
std::vector<nsecs_t> modifiedTimestamps(n);
for (int i = 0; i < n; i++) {
modifiedTimestamps[i] = timestamps[i] / 1000;
}
source->recordingFrameHandleCallbackTimestampBatch(modifiedTimestamps, handles);
}
}
static int32_t getColorFormat(const char* colorFormat) {
if (!colorFormat) {
ALOGE("Invalid color format");
return -1;
}
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");
return -1;
}
CameraSource *CameraSource::Create(const String16 &clientName) {
Size size;
size.width = -1;
size.height = -1;
sp<hardware::ICamera> camera;
return new CameraSource(camera, NULL, 0, clientName, Camera::USE_CALLING_UID,
Camera::USE_CALLING_PID, size, -1, NULL, false);
}
// static
CameraSource *CameraSource::CreateFromCamera(
const sp<hardware::ICamera>& camera,
const sp<ICameraRecordingProxy>& proxy,
int32_t cameraId,
const String16& clientName,
uid_t clientUid,
pid_t clientPid,
Size videoSize,
int32_t frameRate,
const sp<IGraphicBufferProducer>& surface,
bool storeMetaDataInVideoBuffers) {
CameraSource *source = new CameraSource(camera, proxy, cameraId,
clientName, clientUid, clientPid, videoSize, frameRate, surface,
storeMetaDataInVideoBuffers);
return source;
}
CameraSource::CameraSource(
const sp<hardware::ICamera>& camera,
const sp<ICameraRecordingProxy>& proxy,
int32_t cameraId,
const String16& clientName,
uid_t clientUid,
pid_t clientPid,
Size videoSize,
int32_t frameRate,
const sp<IGraphicBufferProducer>& surface,
bool storeMetaDataInVideoBuffers)
: mCameraFlags(0),
mNumInputBuffers(0),
mVideoFrameRate(-1),
mCamera(0),
mSurface(surface),
mNumFramesReceived(0),
mLastFrameTimestampUs(0),
mStarted(false),
mEos(false),
mNumFramesEncoded(0),
mTimeBetweenFrameCaptureUs(0),
mFirstFrameTimeUs(0),
mStopSystemTimeUs(-1),
mNumFramesDropped(0),
mNumGlitches(0),
mGlitchDurationThresholdUs(200000),
mCollectStats(false) {
mVideoSize.width = -1;
mVideoSize.height = -1;
mInitCheck = init(camera, proxy, cameraId,
clientName, clientUid, clientPid,
videoSize, frameRate,
storeMetaDataInVideoBuffers);
if (mInitCheck != OK) releaseCamera();
}
status_t CameraSource::initCheck() const {
return mInitCheck;
}
status_t CameraSource::isCameraAvailable(
const sp<hardware::ICamera>& camera, const sp<ICameraRecordingProxy>& proxy,
int32_t cameraId, const String16& clientName, uid_t clientUid, pid_t clientPid) {
if (camera == 0) {
mCamera = Camera::connect(cameraId, clientName, clientUid, clientPid);
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.
IInterface::asBinder(mCameraRecordingProxy)->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<hardware::ICamera>& camera,
const sp<ICameraRecordingProxy>& proxy,
int32_t cameraId,
const String16& clientName,
uid_t clientUid,
pid_t clientPid,
Size videoSize,
int32_t frameRate,
bool storeMetaDataInVideoBuffers) {
ALOGV("init");
status_t err = OK;
int64_t token = IPCThreadState::self()->clearCallingIdentity();
err = initWithCameraAccess(camera, proxy, cameraId, clientName, clientUid, clientPid,
videoSize, frameRate,
storeMetaDataInVideoBuffers);
IPCThreadState::self()->restoreCallingIdentity(token);
return err;
}
void CameraSource::createVideoBufferMemoryHeap(size_t size, uint32_t bufferCount) {
mMemoryHeapBase = new MemoryHeapBase(size * bufferCount, 0,
"StageFright-CameraSource-BufferHeap");
for (uint32_t i = 0; i < bufferCount; i++) {
mMemoryBases.push_back(new MemoryBase(mMemoryHeapBase, i * size, size));
}
}
status_t CameraSource::initBufferQueue(uint32_t width, uint32_t height,
uint32_t format, android_dataspace dataSpace, uint32_t bufferCount) {
ALOGV("initBufferQueue");
if (mVideoBufferConsumer != nullptr || mVideoBufferProducer != nullptr) {
ALOGE("%s: Buffer queue already exists", __FUNCTION__);
return ALREADY_EXISTS;
}
// Create a buffer queue.
sp<IGraphicBufferProducer> producer;
sp<IGraphicBufferConsumer> consumer;
BufferQueue::createBufferQueue(&producer, &consumer);
uint32_t usage = GRALLOC_USAGE_SW_READ_OFTEN;
if (format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) {
usage = GRALLOC_USAGE_HW_VIDEO_ENCODER;
}
bufferCount += kConsumerBufferCount;
mVideoBufferConsumer = new BufferItemConsumer(consumer, usage, bufferCount);
mVideoBufferConsumer->setName(String8::format("StageFright-CameraSource"));
mVideoBufferProducer = producer;
status_t res = mVideoBufferConsumer->setDefaultBufferSize(width, height);
if (res != OK) {
ALOGE("%s: Could not set buffer dimensions %dx%d: %s (%d)", __FUNCTION__, width, height,
strerror(-res), res);
return res;
}
res = mVideoBufferConsumer->setDefaultBufferFormat(format);
if (res != OK) {
ALOGE("%s: Could not set buffer format %d: %s (%d)", __FUNCTION__, format,
strerror(-res), res);
return res;
}
res = mVideoBufferConsumer->setDefaultBufferDataSpace(dataSpace);
if (res != OK) {
ALOGE("%s: Could not set data space %d: %s (%d)", __FUNCTION__, dataSpace,
strerror(-res), res);
return res;
}
res = mCamera->setVideoTarget(mVideoBufferProducer);
if (res != OK) {
ALOGE("%s: Failed to set video target: %s (%d)", __FUNCTION__, strerror(-res), res);
return res;
}
// Create memory heap to store buffers as VideoNativeMetadata.
createVideoBufferMemoryHeap(sizeof(VideoNativeMetadata), bufferCount);
mBufferQueueListener = new BufferQueueListener(mVideoBufferConsumer, this);
res = mBufferQueueListener->run("CameraSource-BufferQueueListener");
if (res != OK) {
ALOGE("%s: Could not run buffer queue listener thread: %s (%d)", __FUNCTION__,
strerror(-res), res);
return res;
}
return OK;
}
status_t CameraSource::initWithCameraAccess(
const sp<hardware::ICamera>& camera,
const sp<ICameraRecordingProxy>& proxy,
int32_t cameraId,
const String16& clientName,
uid_t clientUid,
pid_t clientPid,
Size videoSize,
int32_t frameRate,
bool storeMetaDataInVideoBuffers) {
ALOGV("initWithCameraAccess");
status_t err = OK;
if ((err = isCameraAvailable(camera, proxy, cameraId,
clientName, clientUid, clientPid)) != 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(&params,
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->setPreviewTarget(mSurface));
}
// By default, store real data in video buffers.
mVideoBufferMode = hardware::ICamera::VIDEO_BUFFER_MODE_DATA_CALLBACK_YUV;
if (storeMetaDataInVideoBuffers) {
if (OK == mCamera->setVideoBufferMode(hardware::ICamera::VIDEO_BUFFER_MODE_BUFFER_QUEUE)) {
mVideoBufferMode = hardware::ICamera::VIDEO_BUFFER_MODE_BUFFER_QUEUE;
} else if (OK == mCamera->setVideoBufferMode(
hardware::ICamera::VIDEO_BUFFER_MODE_DATA_CALLBACK_METADATA)) {
mVideoBufferMode = hardware::ICamera::VIDEO_BUFFER_MODE_DATA_CALLBACK_METADATA;
}
}
if (mVideoBufferMode == hardware::ICamera::VIDEO_BUFFER_MODE_DATA_CALLBACK_YUV) {
err = mCamera->setVideoBufferMode(hardware::ICamera::VIDEO_BUFFER_MODE_DATA_CALLBACK_YUV);
if (err != OK) {
ALOGE("%s: Setting video buffer mode to VIDEO_BUFFER_MODE_DATA_CALLBACK_YUV failed: "
"%s (err=%d)", __FUNCTION__, strerror(-err), err);
return err;
}
}
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();
}
}
status_t 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();
status_t err;
if (mVideoBufferMode == hardware::ICamera::VIDEO_BUFFER_MODE_BUFFER_QUEUE) {
// Initialize buffer queue.
err = initBufferQueue(mVideoSize.width, mVideoSize.height, mEncoderFormat,
(android_dataspace_t)mEncoderDataSpace,
mNumInputBuffers > 0 ? mNumInputBuffers : 1);
if (err != OK) {
ALOGE("%s: Failed to initialize buffer queue: %s (err=%d)", __FUNCTION__,
strerror(-err), err);
return err;
}
} else {
if (mNumInputBuffers > 0) {
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);
}
}
err = mCamera->sendCommand(
CAMERA_CMD_SET_VIDEO_FORMAT, mEncoderFormat, mEncoderDataSpace);
// This could happen for CameraHAL1 clients; thus the failure is
// not a fatal error
if (err != OK) {
ALOGW("Failed to set video encoder format/dataspace to %d, %d due to %d",
mEncoderFormat, mEncoderDataSpace, err);
}
// Create memory heap to store buffers as VideoNativeMetadata.
createVideoBufferMemoryHeap(sizeof(VideoNativeHandleMetadata), kDefaultVideoBufferCount);
}
err = OK;
if (mCameraFlags & FLAGS_HOT_CAMERA) {
mCamera->unlock();
mCamera.clear();
if ((err = mCameraRecordingProxy->startRecording(
new ProxyListener(this))) != OK) {
ALOGE("Failed to start recording, received error: %s (%d)",
strerror(-err), err);
}
} else {
mCamera->setListener(new CameraSourceListener(this));
mCamera->startRecording();
if (!mCamera->recordingEnabled()) {
err = -EINVAL;
ALOGE("Failed to start recording");
}
}
IPCThreadState::self()->restoreCallingIdentity(token);
return err;
}
status_t CameraSource::start(MetaData *meta) {
ALOGV("start");
CHECK(!mStarted);
if (mInitCheck != OK) {
ALOGE("CameraSource is not initialized yet");
return mInitCheck;
}
if (property_get_bool("media.stagefright.record-stats", false)) {
mCollectStats = true;
}
mStartTimeUs = 0;
mNumInputBuffers = 0;
mEncoderFormat = HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED;
mEncoderDataSpace = mBufferDataSpace = HAL_DATASPACE_V0_BT709;
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;
}
// apply encoder color format if specified
if (meta->findInt32(kKeyPixelFormat, &mEncoderFormat)) {
ALOGI("Using encoder format: %#x", mEncoderFormat);
}
if (meta->findInt32(kKeyColorSpace, &mEncoderDataSpace)) {
ALOGI("Using encoder data space: %#x", mEncoderDataSpace);
mBufferDataSpace = mEncoderDataSpace;
}
}
status_t err;
if ((err = startCameraRecording()) == OK) {
mStarted = true;
}
return err;
}
void CameraSource::stopCameraRecording() {
ALOGV("stopCameraRecording");
if (mCameraFlags & FLAGS_HOT_CAMERA) {
if (mCameraRecordingProxy != 0) {
mCameraRecordingProxy->stopRecording();
}
} else {
if (mCamera != 0) {
mCamera->setListener(NULL);
mCamera->stopRecording();
}
}
}
void CameraSource::releaseCamera() {
ALOGV("releaseCamera");
sp<Camera> camera;
bool coldCamera = false;
{
Mutex::Autolock autoLock(mLock);
// get a local ref and clear ref to mCamera now
camera = mCamera;
mCamera.clear();
coldCamera = (mCameraFlags & FLAGS_HOT_CAMERA) == 0;
}
if (camera != 0) {
int64_t token = IPCThreadState::self()->clearCallingIdentity();
if (coldCamera) {
ALOGV("Camera was cold when we started, stopping preview");
camera->stopPreview();
camera->disconnect();
}
camera->unlock();
IPCThreadState::self()->restoreCallingIdentity(token);
}
{
Mutex::Autolock autoLock(mLock);
if (mCameraRecordingProxy != 0) {
IInterface::asBinder(mCameraRecordingProxy)->unlinkToDeath(mDeathNotifier);
mCameraRecordingProxy.clear();
}
mCameraFlags = 0;
}
}
status_t CameraSource::reset() {
ALOGD("reset: E");
{
Mutex::Autolock autoLock(mLock);
mStarted = false;
mEos = false;
mStopSystemTimeUs = -1;
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: %zu",
mFramesBeingEncoded.size());
}
}
stopCameraRecording();
if (isTokenValid) {
IPCThreadState::self()->restoreCallingIdentity(token);
}
if (mCollectStats) {
ALOGI("Frames received/encoded/dropped: %d/%d/%d in %" PRId64 " us",
mNumFramesReceived, mNumFramesEncoded, mNumFramesDropped,
mLastFrameTimestampUs - mFirstFrameTimeUs);
}
if (mNumGlitches > 0) {
ALOGW("%d long delays between neighboring video frames", mNumGlitches);
}
CHECK_EQ(mNumFramesReceived, mNumFramesEncoded + mNumFramesDropped);
}
if (mBufferQueueListener != nullptr) {
mBufferQueueListener->requestExit();
mBufferQueueListener->join();
mBufferQueueListener.clear();
}
mVideoBufferConsumer.clear();
mVideoBufferProducer.clear();
releaseCamera();
ALOGD("reset: X");
return OK;
}
void CameraSource::releaseRecordingFrame(const sp<IMemory>& frame) {
ALOGV("releaseRecordingFrame");
if (mVideoBufferMode == hardware::ICamera::VIDEO_BUFFER_MODE_BUFFER_QUEUE) {
// Return the buffer to buffer queue in VIDEO_BUFFER_MODE_BUFFER_QUEUE mode.
ssize_t offset;
size_t size;
sp<IMemoryHeap> heap = frame->getMemory(&offset, &size);
if (heap->getHeapID() != mMemoryHeapBase->getHeapID()) {
ALOGE("%s: Mismatched heap ID, ignoring release (got %x, expected %x)", __FUNCTION__,
heap->getHeapID(), mMemoryHeapBase->getHeapID());
return;
}
VideoNativeMetadata *payload = reinterpret_cast<VideoNativeMetadata*>(
(uint8_t*)heap->getBase() + offset);
// Find the corresponding buffer item for the native window buffer.
ssize_t index = mReceivedBufferItemMap.indexOfKey(payload->pBuffer);
if (index == NAME_NOT_FOUND) {
ALOGE("%s: Couldn't find buffer item for %p", __FUNCTION__, payload->pBuffer);
return;
}
BufferItem buffer = mReceivedBufferItemMap.valueAt(index);
mReceivedBufferItemMap.removeItemsAt(index);
mVideoBufferConsumer->releaseBuffer(buffer);
mMemoryBases.push_back(frame);
mMemoryBaseAvailableCond.signal();
} else {
native_handle_t* handle = nullptr;
// Check if frame contains a VideoNativeHandleMetadata.
if (frame->size() == sizeof(VideoNativeHandleMetadata)) {
// TODO: Using unsecurePointer() has some associated security pitfalls
// (see declaration for details).
// Either document why it is safe in this case or address the
// issue (e.g. by copying).
VideoNativeHandleMetadata *metadata =
(VideoNativeHandleMetadata*)(frame->unsecurePointer());
if (metadata->eType == kMetadataBufferTypeNativeHandleSource) {
handle = metadata->pHandle;
}
}
if (handle != nullptr) {
ssize_t offset;
size_t size;
sp<IMemoryHeap> heap = frame->getMemory(&offset, &size);
if (heap->getHeapID() != mMemoryHeapBase->getHeapID()) {
ALOGE("%s: Mismatched heap ID, ignoring release (got %x, expected %x)",
__FUNCTION__, heap->getHeapID(), mMemoryHeapBase->getHeapID());
return;
}
uint32_t batchSize = 0;
{
Mutex::Autolock autoLock(mBatchLock);
if (mInflightBatchSizes.size() > 0) {
batchSize = mInflightBatchSizes[0];
}
}
if (batchSize == 0) { // return buffers one by one
// Frame contains a VideoNativeHandleMetadata. Send the handle back to camera.
releaseRecordingFrameHandle(handle);
mMemoryBases.push_back(frame);
mMemoryBaseAvailableCond.signal();
} else { // Group buffers in batch then return
Mutex::Autolock autoLock(mBatchLock);
mInflightReturnedHandles.push_back(handle);
mInflightReturnedMemorys.push_back(frame);
if (mInflightReturnedHandles.size() == batchSize) {
releaseRecordingFrameHandleBatch(mInflightReturnedHandles);
mInflightBatchSizes.pop_front();
mInflightReturnedHandles.clear();
for (const auto& mem : mInflightReturnedMemorys) {
mMemoryBases.push_back(mem);
mMemoryBaseAvailableCond.signal();
}
mInflightReturnedMemorys.clear();
}
}
} else if (mCameraRecordingProxy != nullptr) {
// mCamera is created by application. Return the frame back to camera via camera
// recording proxy.
mCameraRecordingProxy->releaseRecordingFrame(frame);
} else if (mCamera != nullptr) {
// mCamera is created by CameraSource. Return the frame directly back to camera.
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(MediaBufferBase *buffer) {
ALOGV("signalBufferReturned: %p", buffer->data());
Mutex::Autolock autoLock(mLock);
for (List<sp<IMemory> >::iterator it = mFramesBeingEncoded.begin();
it != mFramesBeingEncoded.end(); ++it) {
if ((*it)->unsecurePointer() == buffer->data()) {
releaseOneRecordingFrame((*it));
mFramesBeingEncoded.erase(it);
++mNumFramesEncoded;
buffer->setObserver(0);
buffer->release();
mFrameCompleteCondition.signal();
return;
}
}
CHECK(!"signalBufferReturned: bogus buffer");
}
status_t CameraSource::read(
MediaBufferBase **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 && !mEos && mFramesReceived.empty()) {
if (NO_ERROR !=
mFrameAvailableCondition.waitRelative(mLock,
mTimeBetweenFrameCaptureUs * 1000LL + CAMERA_SOURCE_TIMEOUT_NS)) {
if (mCameraRecordingProxy != 0 &&
!IInterface::asBinder(mCameraRecordingProxy)->isBinderAlive()) {
ALOGW("camera recording proxy is gone");
return ERROR_END_OF_STREAM;
}
ALOGW("Timed out waiting for incoming camera video frames: %" PRId64 " us",
mLastFrameTimestampUs);
}
}
if (!mStarted) {
return OK;
}
if (mFramesReceived.empty()) {
return ERROR_END_OF_STREAM;
}
frame = *mFramesReceived.begin();
mFramesReceived.erase(mFramesReceived.begin());
frameTime = *mFrameTimes.begin();
mFrameTimes.erase(mFrameTimes.begin());
mFramesBeingEncoded.push_back(frame);
// TODO: Using unsecurePointer() has some associated security pitfalls
// (see declaration for details).
// Either document why it is safe in this case or address the
// issue (e.g. by copying).
*buffer = new MediaBuffer(frame->unsecurePointer(), frame->size());
(*buffer)->setObserver(this);
(*buffer)->add_ref();
(*buffer)->meta_data().setInt64(kKeyTime, frameTime);
if (mBufferDataSpace != mEncoderDataSpace) {
ALOGD("Data space updated to %x", mBufferDataSpace);
(*buffer)->meta_data().setInt32(kKeyColorSpace, mBufferDataSpace);
mEncoderDataSpace = mBufferDataSpace;
}
}
return OK;
}
status_t CameraSource::setStopTimeUs(int64_t stopTimeUs) {
Mutex::Autolock autoLock(mLock);
ALOGV("Set stoptime: %lld us", (long long)stopTimeUs);
if (stopTimeUs < -1) {
ALOGE("Invalid stop time %lld us", (long long)stopTimeUs);
return BAD_VALUE;
} else if (stopTimeUs == -1) {
ALOGI("reset stopTime to be -1");
}
mStopSystemTimeUs = stopTimeUs;
return OK;
}
bool CameraSource::shouldSkipFrameLocked(int64_t timestampUs) {
if (!mStarted || (mNumFramesReceived == 0 && timestampUs < mStartTimeUs)) {
ALOGV("Drop frame at %lld/%lld us", (long long)timestampUs, (long long)mStartTimeUs);
return true;
}
if (mStopSystemTimeUs != -1 && timestampUs >= mStopSystemTimeUs) {
ALOGV("Drop Camera frame at %lld stop time: %lld us",
(long long)timestampUs, (long long)mStopSystemTimeUs);
mEos = true;
mFrameAvailableCondition.signal();
return true;
}
// May need to skip frame or modify timestamp. Currently implemented
// by the subclass CameraSourceTimeLapse.
if (skipCurrentFrame(timestampUs)) {
return true;
}
if (mNumFramesReceived > 0) {
if (timestampUs <= mLastFrameTimestampUs) {
ALOGW("Dropping frame with backward timestamp %lld (last %lld)",
(long long)timestampUs, (long long)mLastFrameTimestampUs);
return true;
}
if (timestampUs - mLastFrameTimestampUs > mGlitchDurationThresholdUs) {
++mNumGlitches;
}
}
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.
return true;
}
mStartTimeUs = timestampUs - mStartTimeUs;
}
}
return false;
}
void CameraSource::dataCallbackTimestamp(int64_t timestampUs,
int32_t msgType __unused, const sp<IMemory> &data) {
ALOGV("dataCallbackTimestamp: timestamp %lld us", (long long)timestampUs);
Mutex::Autolock autoLock(mLock);
if (shouldSkipFrameLocked(timestampUs)) {
releaseOneRecordingFrame(data);
return;
}
++mNumFramesReceived;
CHECK(data != NULL && data->size() > 0);
mFramesReceived.push_back(data);
int64_t timeUs = mStartTimeUs + (timestampUs - mFirstFrameTimeUs);
mFrameTimes.push_back(timeUs);
ALOGV("initial delay: %" PRId64 ", current time stamp: %" PRId64,
mStartTimeUs, timeUs);
mFrameAvailableCondition.signal();
}
void CameraSource::releaseRecordingFrameHandle(native_handle_t* handle) {
if (mCameraRecordingProxy != nullptr) {
mCameraRecordingProxy->releaseRecordingFrameHandle(handle);
} else if (mCamera != nullptr) {
int64_t token = IPCThreadState::self()->clearCallingIdentity();
mCamera->releaseRecordingFrameHandle(handle);
IPCThreadState::self()->restoreCallingIdentity(token);
} else {
native_handle_close(handle);
native_handle_delete(handle);
}
}
void CameraSource::releaseRecordingFrameHandleBatch(const std::vector<native_handle_t*>& handles) {
if (mCameraRecordingProxy != nullptr) {
mCameraRecordingProxy->releaseRecordingFrameHandleBatch(handles);
} else if (mCamera != nullptr) {
int64_t token = IPCThreadState::self()->clearCallingIdentity();
mCamera->releaseRecordingFrameHandleBatch(handles);
IPCThreadState::self()->restoreCallingIdentity(token);
} else {
for (auto& handle : handles) {
native_handle_close(handle);
native_handle_delete(handle);
}
}
}
void CameraSource::recordingFrameHandleCallbackTimestamp(int64_t timestampUs,
native_handle_t* handle) {
ALOGV("%s: timestamp %lld us", __FUNCTION__, (long long)timestampUs);
Mutex::Autolock autoLock(mLock);
if (handle == nullptr) return;
if (shouldSkipFrameLocked(timestampUs)) {
releaseRecordingFrameHandle(handle);
return;
}
while (mMemoryBases.empty()) {
if (mMemoryBaseAvailableCond.waitRelative(mLock, kMemoryBaseAvailableTimeoutNs) ==
TIMED_OUT) {
ALOGW("Waiting on an available memory base timed out. Dropping a recording frame.");
releaseRecordingFrameHandle(handle);
return;
}
}
++mNumFramesReceived;
sp<IMemory> data = *mMemoryBases.begin();
mMemoryBases.erase(mMemoryBases.begin());
// Wrap native handle in sp<IMemory> so it can be pushed to mFramesReceived.
VideoNativeHandleMetadata *metadata = (VideoNativeHandleMetadata*)(data->unsecurePointer());
metadata->eType = kMetadataBufferTypeNativeHandleSource;
metadata->pHandle = handle;
mFramesReceived.push_back(data);
int64_t timeUs = mStartTimeUs + (timestampUs - mFirstFrameTimeUs);
mFrameTimes.push_back(timeUs);
ALOGV("initial delay: %" PRId64 ", current time stamp: %" PRId64, mStartTimeUs, timeUs);
mFrameAvailableCondition.signal();
}
void CameraSource::recordingFrameHandleCallbackTimestampBatch(
const std::vector<int64_t>& timestampsUs,
const std::vector<native_handle_t*>& handles) {
size_t n = timestampsUs.size();
if (n != handles.size()) {
ALOGE("%s: timestampsUs(%zu) and handles(%zu) size mismatch!",
__FUNCTION__, timestampsUs.size(), handles.size());
}
Mutex::Autolock autoLock(mLock);
int batchSize = 0;
for (size_t i = 0; i < n; i++) {
int64_t timestampUs = timestampsUs[i];
native_handle_t* handle = handles[i];
ALOGV("%s: timestamp %lld us", __FUNCTION__, (long long)timestampUs);
if (handle == nullptr) continue;
if (shouldSkipFrameLocked(timestampUs)) {
releaseRecordingFrameHandle(handle);
continue;
}
while (mMemoryBases.empty()) {
if (mMemoryBaseAvailableCond.waitRelative(mLock, kMemoryBaseAvailableTimeoutNs) ==
TIMED_OUT) {
ALOGW("Waiting on an available memory base timed out. Dropping a recording frame.");
releaseRecordingFrameHandle(handle);
continue;
}
}
++batchSize;
++mNumFramesReceived;
sp<IMemory> data = *mMemoryBases.begin();
mMemoryBases.erase(mMemoryBases.begin());
// Wrap native handle in sp<IMemory> so it can be pushed to mFramesReceived.
// TODO: Using unsecurePointer() has some associated security pitfalls
// (see declaration for details).
// Either document why it is safe in this case or address the
// issue (e.g. by copying).
VideoNativeHandleMetadata *metadata = (VideoNativeHandleMetadata*)(data->unsecurePointer());
metadata->eType = kMetadataBufferTypeNativeHandleSource;
metadata->pHandle = handle;
mFramesReceived.push_back(data);
int64_t timeUs = mStartTimeUs + (timestampUs - mFirstFrameTimeUs);
mFrameTimes.push_back(timeUs);
ALOGV("initial delay: %" PRId64 ", current time stamp: %" PRId64, mStartTimeUs, timeUs);
}
if (batchSize > 0) {
Mutex::Autolock autoLock(mBatchLock);
mInflightBatchSizes.push_back(batchSize);
}
for (int i = 0; i < batchSize; i++) {
mFrameAvailableCondition.signal();
}
}
CameraSource::BufferQueueListener::BufferQueueListener(const sp<BufferItemConsumer>& consumer,
const sp<CameraSource>& cameraSource) {
mConsumer = consumer;
mConsumer->setFrameAvailableListener(this);
mCameraSource = cameraSource;
}
void CameraSource::BufferQueueListener::onFrameAvailable(const BufferItem& /*item*/) {
ALOGV("%s: onFrameAvailable", __FUNCTION__);
Mutex::Autolock l(mLock);
if (!mFrameAvailable) {
mFrameAvailable = true;
mFrameAvailableSignal.signal();
}
}
bool CameraSource::BufferQueueListener::threadLoop() {
if (mConsumer == nullptr || mCameraSource == nullptr) {
return false;
}
{
Mutex::Autolock l(mLock);
while (!mFrameAvailable) {
if (mFrameAvailableSignal.waitRelative(mLock, kFrameAvailableTimeout) == TIMED_OUT) {
return true;
}
}
mFrameAvailable = false;
}
BufferItem buffer;
while (mConsumer->acquireBuffer(&buffer, 0) == OK) {
mCameraSource->processBufferQueueFrame(buffer);
}
return true;
}
void CameraSource::processBufferQueueFrame(BufferItem& buffer) {
Mutex::Autolock autoLock(mLock);
int64_t timestampUs = buffer.mTimestamp / 1000;
if (shouldSkipFrameLocked(timestampUs)) {
mVideoBufferConsumer->releaseBuffer(buffer);
return;
}
while (mMemoryBases.empty()) {
if (mMemoryBaseAvailableCond.waitRelative(mLock, kMemoryBaseAvailableTimeoutNs) ==
TIMED_OUT) {
ALOGW("Waiting on an available memory base timed out. Dropping a recording frame.");
mVideoBufferConsumer->releaseBuffer(buffer);
return;
}
}
++mNumFramesReceived;
// Find a available memory slot to store the buffer as VideoNativeMetadata.
sp<IMemory> data = *mMemoryBases.begin();
mMemoryBases.erase(mMemoryBases.begin());
mBufferDataSpace = buffer.mDataSpace;
ssize_t offset;
size_t size;
sp<IMemoryHeap> heap = data->getMemory(&offset, &size);
VideoNativeMetadata *payload = reinterpret_cast<VideoNativeMetadata*>(
(uint8_t*)heap->getBase() + offset);
memset(payload, 0, sizeof(VideoNativeMetadata));
payload->eType = kMetadataBufferTypeANWBuffer;
payload->pBuffer = buffer.mGraphicBuffer->getNativeBuffer();
payload->nFenceFd = -1;
// Add the mapping so we can find the corresponding buffer item to release to the buffer queue
// when the encoder returns the native window buffer.
mReceivedBufferItemMap.add(payload->pBuffer, buffer);
mFramesReceived.push_back(data);
int64_t timeUs = mStartTimeUs + (timestampUs - mFirstFrameTimeUs);
mFrameTimes.push_back(timeUs);
ALOGV("initial delay: %" PRId64 ", current time stamp: %" PRId64,
mStartTimeUs, timeUs);
mFrameAvailableCondition.signal();
}
MetadataBufferType CameraSource::metaDataStoredInVideoBuffers() const {
ALOGV("metaDataStoredInVideoBuffers");
// Output buffers will contain metadata if camera sends us buffer in metadata mode or via
// buffer queue.
switch (mVideoBufferMode) {
case hardware::ICamera::VIDEO_BUFFER_MODE_DATA_CALLBACK_METADATA:
return kMetadataBufferTypeNativeHandleSource;
case hardware::ICamera::VIDEO_BUFFER_MODE_BUFFER_QUEUE:
return kMetadataBufferTypeANWBuffer;
default:
return kMetadataBufferTypeInvalid;
}
}
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::ProxyListener::recordingFrameHandleCallbackTimestamp(nsecs_t timestamp,
native_handle_t* handle) {
mSource->recordingFrameHandleCallbackTimestamp(timestamp / 1000, handle);
}
void CameraSource::ProxyListener::recordingFrameHandleCallbackTimestampBatch(
const std::vector<int64_t>& timestampsUs,
const std::vector<native_handle_t*>& handles) {
int n = timestampsUs.size();
std::vector<nsecs_t> modifiedTimestamps(n);
for (int i = 0; i < n; i++) {
modifiedTimestamps[i] = timestampsUs[i] / 1000;
}
mSource->recordingFrameHandleCallbackTimestampBatch(modifiedTimestamps, handles);
}
void CameraSource::DeathNotifier::binderDied(const wp<IBinder>& who __unused) {
ALOGI("Camera recording proxy died");
}
} // namespace android