// stop preview mode
void CameraClient::stopPreview() {
LOG1("stopPreview (pid %d)", getCallingPid());
#ifdef QCOM_HARDWARE
disableMsgType(CAMERA_MSG_PREVIEW_METADATA);
#endif
Mutex::Autolock lock(mLock);
if (checkPidAndHardware() != NO_ERROR) return;
#ifdef OMAP_ENHANCEMENT
// According to framework documentation, preview needs
// to be started for image capture. This will make sure
// that image capture related messages get disabled if
// not done already in their respective handlers.
// If these messages come when in the midddle of
// stopping preview we will deadlock the system in
// lockIfMessageWanted().
disableMsgType(CAMERA_MSG_POSTVIEW_FRAME);
#endif
disableMsgType(CAMERA_MSG_PREVIEW_FRAME);
#ifdef QCOM_HARDWARE
//Disable picture related message types
ALOGI("stopPreview: Disable picture related messages");
int picMsgType = 0;
picMsgType = (CAMERA_MSG_SHUTTER |
CAMERA_MSG_POSTVIEW_FRAME |
CAMERA_MSG_RAW_IMAGE |
CAMERA_MSG_RAW_IMAGE_NOTIFY |
CAMERA_MSG_COMPRESSED_IMAGE);
disableMsgType(picMsgType);
#endif
mHardware->stopPreview();
mPreviewBuffer.clear();
}
// enable shutter sound
status_t CameraService::Client::enableShutterSound(bool enable) {
LOG1("enableShutterSound (pid %d)", getCallingPid());
status_t result = checkPidAndHardware();
if (result != NO_ERROR) return result;
if (enable) {
mPlayShutterSound = true;
return OK;
}
// Disabling shutter sound may not be allowed. In that case only
// allow the mediaserver process to disable the sound.
char value[PROPERTY_VALUE_MAX];
property_get("ro.camera.sound.forced", value, "0");
if (strcmp(value, "0") != 0) {
// Disabling shutter sound is not allowed. Deny if the current
// process is not mediaserver.
if (getCallingPid() != getpid()) {
LOGE("Failed to disable shutter sound. Permission denied (pid %d)", getCallingPid());
return PERMISSION_DENIED;
}
}
mPlayShutterSound = false;
return OK;
}
// take a picture - image is returned in callback
status_t CameraService::Client::takePicture(int msgType) {
LOG1("takePicture (pid %d): 0x%x", getCallingPid(), msgType);
Mutex::Autolock lock(mLock);
status_t result = checkPidAndHardware();
if (result != NO_ERROR) return result;
if ((msgType & CAMERA_MSG_RAW_IMAGE) &&
(msgType & CAMERA_MSG_RAW_IMAGE_NOTIFY)) {
LOGE("CAMERA_MSG_RAW_IMAGE and CAMERA_MSG_RAW_IMAGE_NOTIFY"
" cannot be both enabled");
return BAD_VALUE;
}
// We only accept picture related message types
// and ignore other types of messages for takePicture().
int picMsgType = msgType
& (CAMERA_MSG_SHUTTER |
CAMERA_MSG_POSTVIEW_FRAME |
CAMERA_MSG_RAW_IMAGE |
CAMERA_MSG_RAW_IMAGE_NOTIFY |
CAMERA_MSG_COMPRESSED_IMAGE);
enableMsgType(picMsgType);
return mHardware->takePicture();
}
// take a picture - image is returned in callback
status_t CameraService::Client::takePicture(int msgType) {
char prop[PROPERTY_VALUE_MAX];
LOG1("takePicture (pid %d): 0x%x", getCallingPid(), msgType);
Mutex::Autolock lock(mLock);
status_t result = checkPidAndHardware();
if (result != NO_ERROR) return result;
//zxj ++
mstopPreview = true;
//zxj --
if ((msgType & CAMERA_MSG_RAW_IMAGE) &&
(msgType & CAMERA_MSG_RAW_IMAGE_NOTIFY)) {
LOGE("CAMERA_MSG_RAW_IMAGE and CAMERA_MSG_RAW_IMAGE_NOTIFY"
" cannot be both enabled");
return BAD_VALUE;
}
// We only accept picture related message types
// and ignore other types of messages for takePicture().
int picMsgType = msgType
& (CAMERA_MSG_SHUTTER |
CAMERA_MSG_POSTVIEW_FRAME |
CAMERA_MSG_RAW_IMAGE |
CAMERA_MSG_RAW_IMAGE_NOTIFY |
CAMERA_MSG_COMPRESSED_IMAGE);
disableMsgType(CAMERA_MSG_PREVIEW_METADATA);
enableMsgType(picMsgType);
mburstCnt = mHardware->getParameters().getInt("num-snaps-per-shutter");
if(mburstCnt <= 0) mburstCnt = 1;
LOG1("mburstCnt = %d", mburstCnt);
return mHardware->takePicture();
}
bool CameraClient::previewEnabled() {
LOG1("previewEnabled (pid %d)", getCallingPid());
Mutex::Autolock lock(mLock);
if (checkPidAndHardware() != NO_ERROR) return false;
return mHardware->previewEnabled();
}
bool CameraService::Client::recordingEnabled() {
LOG1("recordingEnabled (pid %d)", getCallingPid());
Mutex::Autolock lock(mLock);
if (checkPidAndHardware() != NO_ERROR) return false;
return mHardware->recordingEnabled();
}
status_t CameraService::Client::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) {
LOG1("sendCommand (pid %d)", getCallingPid());
int orientation;
Mutex::Autolock lock(mLock);
status_t result = checkPidAndHardware();
if (result != NO_ERROR) return result;
if (cmd == CAMERA_CMD_SET_DISPLAY_ORIENTATION) {
// The orientation cannot be set during preview.
if (mHardware->previewEnabled()) {
return INVALID_OPERATION;
}
// Mirror the preview if the camera is front-facing.
orientation = getOrientation(arg1, mCameraFacing == CAMERA_FACING_FRONT);
if (orientation == -1) return BAD_VALUE;
if (mOrientation != orientation) {
mOrientation = orientation;
if (mOverlayRef != 0) mOrientationChanged = true;
}
return OK;
}
return mHardware->sendCommand(cmd, arg1, arg2);
}
// get preview/capture parameters - key/value pairs
String8 CameraService::Client::getParameters() const {
Mutex::Autolock lock(mLock);
if (checkPidAndHardware() != NO_ERROR) return String8();
String8 params(mHardware->getParameters().flatten());
LOG1("getParameters (pid %d) (%s)", getCallingPid(), params.string());
return params;
}
status_t CameraClient::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) {
LOG1("sendCommand (pid %d)", getCallingPid());
int orientation;
Mutex::Autolock lock(mLock);
status_t result = checkPidAndHardware();
if (result != NO_ERROR) return result;
if (cmd == CAMERA_CMD_SET_DISPLAY_ORIENTATION) {
// Mirror the preview if the camera is front-facing.
orientation = getOrientation(arg1, mCameraFacing == CAMERA_FACING_FRONT);
if (orientation == -1) return BAD_VALUE;
if (mOrientation != orientation) {
mOrientation = orientation;
if (mPreviewWindow != 0) {
native_window_set_buffers_transform(mPreviewWindow.get(),
mOrientation);
}
}
return OK;
} else if (cmd == CAMERA_CMD_ENABLE_SHUTTER_SOUND) {
switch (arg1) {
case 0:
return enableShutterSound(false);
case 1:
return enableShutterSound(true);
default:
return BAD_VALUE;
}
return OK;
} else if (cmd == CAMERA_CMD_PLAY_RECORDING_SOUND) {
mCameraService->playSound(CameraService::SOUND_RECORDING);
} else if (cmd == CAMERA_CMD_SET_VIDEO_BUFFER_COUNT) {
// Silently ignore this command
return INVALID_OPERATION;
} else if (cmd == CAMERA_CMD_PING) {
// If mHardware is 0, checkPidAndHardware will return error.
return OK;
#ifdef QCOM_HARDWARE
} else if (cmd == CAMERA_CMD_HISTOGRAM_ON) {
enableMsgType(CAMERA_MSG_STATS_DATA);
} else if (cmd == CAMERA_CMD_HISTOGRAM_OFF) {
disableMsgType(CAMERA_MSG_STATS_DATA);
} else if (cmd == CAMERA_CMD_METADATA_ON) {
enableMsgType(CAMERA_MSG_META_DATA);
} else if (cmd == CAMERA_CMD_METADATA_OFF) {
disableMsgType(CAMERA_MSG_META_DATA);
} else if ( cmd == CAMERA_CMD_LONGSHOT_ON ) {
mLongshotEnabled = true;
} else if ( cmd == CAMERA_CMD_LONGSHOT_OFF ) {
mLongshotEnabled = false;
disableMsgType(CAMERA_MSG_SHUTTER);
disableMsgType(CAMERA_MSG_COMPRESSED_IMAGE);
#endif
}
return mHardware->sendCommand(cmd, arg1, arg2);
}
status_t CameraService::Client::storeMetaDataInBuffers(bool enabled)
{
LOG1("storeMetaDataInBuffers: %s", enabled? "true": "false");
Mutex::Autolock lock(mLock);
if (checkPidAndHardware() != NO_ERROR) {
return UNKNOWN_ERROR;
}
return mHardware->storeMetaDataInBuffers(enabled);
}
// get preview/capture parameters - key/value pairs
String8 CameraClient::getParameters() const {
Mutex::Autolock lock(mLock);
// The camera service can unconditionally get the parameters at all times
if (getCallingPid() != mServicePid && checkPidAndHardware() != NO_ERROR) return String8();
String8 params(mHardware->getParameters().flatten());
LOG1("getParameters (pid %d) (%s)", getCallingPid(), params.string());
return params;
}
status_t CameraService::Client::cancelAutoFocus() {
LOG1("cancelAutoFocus (pid %d)", getCallingPid());
Mutex::Autolock lock(mLock);
status_t result = checkPidAndHardware();
if (result != NO_ERROR) return result;
return mHardware->cancelAutoFocus();
}
// set preview/capture parameters - key/value pairs
status_t CameraService::Client::setParameters(const String8& params) {
LOG1("setParameters (pid %d) (%s)", getCallingPid(), params.string());
Mutex::Autolock lock(mLock);
status_t result = checkPidAndHardware();
if (result != NO_ERROR) return result;
CameraParameters p(params);
return mHardware->setParameters(p);
}
// stop recording mode
void CameraService::Client::stopRecording() {
LOG1("stopRecording (pid %d)", getCallingPid());
Mutex::Autolock lock(mLock);
if (checkPidAndHardware() != NO_ERROR) return;
mCameraService->playSound(SOUND_RECORDING);
disableMsgType(CAMERA_MSG_VIDEO_FRAME);
mHardware->stopRecording();
mPreviewBuffer.clear();
}
// stop preview mode
void CameraService::Client::stopPreview() {
LOG1("stopPreview (pid %d)", getCallingPid());
Mutex::Autolock lock(mLock);
if (checkPidAndHardware() != NO_ERROR) return;
disableMsgType(CAMERA_MSG_PREVIEW_FRAME);
mHardware->stopPreview();
mPreviewBuffer.clear();
}
// set the preview callback flag to affect how the received frames from
// preview are handled.
void CameraService::Client::setPreviewCallbackFlag(int callback_flag) {
LOG1("setPreviewCallbackFlag(%d) (pid %d)", callback_flag, getCallingPid());
Mutex::Autolock lock(mLock);
if (checkPidAndHardware() != NO_ERROR) return;
mPreviewCallbackFlag = callback_flag;
if (mPreviewCallbackFlag & CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK) {
enableMsgType(CAMERA_MSG_PREVIEW_FRAME);
} else {
disableMsgType(CAMERA_MSG_PREVIEW_FRAME);
}
}
status_t CameraClient::setPreviewWindow(const sp<IBinder>& binder,
const sp<ANativeWindow>& window) {
Mutex::Autolock lock(mLock);
status_t result = checkPidAndHardware();
if (result != NO_ERROR) return result;
// return if no change in surface.
if (binder == mSurface) {
return NO_ERROR;
}
if (window != 0) {
result = native_window_api_connect(window.get(), NATIVE_WINDOW_API_CAMERA);
if (result != NO_ERROR) {
ALOGE("native_window_api_connect failed: %s (%d)", strerror(-result),
result);
return result;
}
}
// If preview has been already started, register preview buffers now.
if (mHardware->previewEnabled()) {
if (window != 0) {
native_window_set_scaling_mode(window.get(),
NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
native_window_set_buffers_transform(window.get(), mOrientation);
result = mHardware->setPreviewWindow(window);
}
#ifdef QCOM_HARDWARE
#ifndef NO_UPDATE_PREVIEW
} else {
if (window != 0) {
native_window_set_buffers_transform(window.get(), mOrientation);
}
result = mHardware->setPreviewWindow(window);
#endif
#endif
}
if (result == NO_ERROR) {
// Everything has succeeded. Disconnect the old window and remember the
// new window.
disconnectWindow(mPreviewWindow);
mSurface = binder;
mPreviewWindow = window;
} else {
// Something went wrong after we connected to the new window, so
// disconnect here.
disconnectWindow(window);
}
return result;
}
// take a picture - image is returned in callback
status_t CameraClient::takePicture(int msgType) {
LOG1("takePicture (pid %d): 0x%x", getCallingPid(), msgType);
Mutex::Autolock lock(mLock);
status_t result = checkPidAndHardware();
if (result != NO_ERROR) return result;
if ((msgType & CAMERA_MSG_RAW_IMAGE) &&
(msgType & CAMERA_MSG_RAW_IMAGE_NOTIFY)) {
ALOGE("CAMERA_MSG_RAW_IMAGE and CAMERA_MSG_RAW_IMAGE_NOTIFY"
" cannot be both enabled");
return BAD_VALUE;
}
// We only accept picture related message types
// and ignore other types of messages for takePicture().
int picMsgType = msgType
& (CAMERA_MSG_SHUTTER |
CAMERA_MSG_POSTVIEW_FRAME |
CAMERA_MSG_RAW_IMAGE |
CAMERA_MSG_RAW_IMAGE_NOTIFY |
#if defined(OMAP_ICS_CAMERA) || defined(OMAP_ENHANCEMENT_BURST_CAPTURE)
CAMERA_MSG_RAW_BURST |
#endif
CAMERA_MSG_COMPRESSED_IMAGE);
#if defined(OMAP_ICS_CAMERA) || defined(OMAP_ENHANCEMENT_BURST_CAPTURE)
picMsgType |= CAMERA_MSG_COMPRESSED_BURST_IMAGE;
#endif
#ifdef CAMERA_MSG_MGMT
disableMsgType(CAMERA_MSG_PREVIEW_METADATA);
#endif
enableMsgType(picMsgType);
#ifdef QCOM_HARDWARE
mBurstCnt = mHardware->getParameters().getInt("num-snaps-per-shutter");
if(mBurstCnt <= 0)
mBurstCnt = 1;
LOG1("mBurstCnt = %d", mBurstCnt);
// HTC HDR mode requires that we snap multiple times, but only get one jpeg
int numJpegs = mHardware->getParameters().getInt("num-jpegs-per-shutter");
if (numJpegs == 1 && mBurstCnt > 1) {
while (mBurstCnt > 1) {
result = mHardware->takePicture();
mBurstCnt--;
}
}
#endif
return mHardware->takePicture();
}
status_t CameraService::Client::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) {
LOG1("sendCommand (pid %d)", getCallingPid());
int orientation;
Mutex::Autolock lock(mLock);
status_t result = checkPidAndHardware();
if (result != NO_ERROR) return result;
if (cmd == CAMERA_CMD_SET_DISPLAY_ORIENTATION) {
// Mirror the preview if the camera is front-facing.
orientation = getOrientation(arg1, mCameraFacing == CAMERA_FACING_FRONT);
if (orientation == -1) return BAD_VALUE;
if (mOrientation != orientation) {
mOrientation = orientation;
if (mPreviewWindow != 0) {
native_window_set_buffers_transform(mPreviewWindow.get(),
mOrientation);
}
}
return OK;
} else if (cmd == CAMERA_CMD_ENABLE_SHUTTER_SOUND) {
switch (arg1) {
case 0:
enableShutterSound(false);
break;
case 1:
enableShutterSound(true);
break;
default:
return BAD_VALUE;
}
return OK;
} else if (cmd == CAMERA_CMD_PLAY_RECORDING_SOUND) {
mCameraService->playSound(SOUND_RECORDING);
}
else if (cmd == CAMERA_CMD_HISTOGRAM_ON ) {
enableMsgType(CAMERA_MSG_STATS_DATA);
}
else if (cmd == CAMERA_CMD_HISTOGRAM_OFF) {
disableMsgType(CAMERA_MSG_STATS_DATA);
} else if (cmd == CAMERA_CMD_START_FACE_DETECTION) {
mFaceDetection = true;
enableMsgType(CAMERA_MSG_PREVIEW_METADATA);
} else if (cmd == CAMERA_CMD_STOP_FACE_DETECTION) {
mFaceDetection = false;
disableMsgType(CAMERA_MSG_PREVIEW_METADATA);
}
return mHardware->sendCommand(cmd, arg1, arg2);
}
// take a picture - image is returned in callback
status_t CameraService::Client::takePicture() {
LOG1("takePicture (pid %d)", getCallingPid());
Mutex::Autolock lock(mLock);
status_t result = checkPidAndHardware();
if (result != NO_ERROR) return result;
enableMsgType(CAMERA_MSG_SHUTTER |
CAMERA_MSG_POSTVIEW_FRAME |
CAMERA_MSG_RAW_IMAGE |
CAMERA_MSG_COMPRESSED_IMAGE);
return mHardware->takePicture();
}
status_t CameraClient::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) {
LOG1("sendCommand (pid %d)", getCallingPid());
int orientation;
Mutex::Autolock lock(mLock);
status_t result = checkPidAndHardware();
if (result != NO_ERROR) return result;
if (cmd == CAMERA_CMD_SET_DISPLAY_ORIENTATION) {
//!++
LOG1("CAMERA_CMD_SET_DISPLAY_ORIENTATION - tid(%d), (degrees, mirror)=(%d, %d)", ::gettid(), arg1, mCameraFacing);
//!--
// Mirror the preview if the camera is front-facing.
orientation = getOrientation(arg1, mCameraFacing == CAMERA_FACING_FRONT);
if (orientation == -1) return BAD_VALUE;
if (mOrientation != orientation) {
mOrientation = orientation;
if (mPreviewWindow != 0) {
native_window_set_buffers_transform(mPreviewWindow.get(),
mOrientation);
}
}
return OK;
} else if (cmd == CAMERA_CMD_ENABLE_SHUTTER_SOUND) {
switch (arg1) {
case 0:
return enableShutterSound(false);
case 1:
return enableShutterSound(true);
default:
return BAD_VALUE;
}
return OK;
} else if (cmd == CAMERA_CMD_PLAY_RECORDING_SOUND) {
mCameraService->playSound(CameraService::SOUND_RECORDING);
} else if (cmd == CAMERA_CMD_SET_VIDEO_BUFFER_COUNT) {
// Silently ignore this command
return INVALID_OPERATION;
} else if (cmd == CAMERA_CMD_PING) {
// If mHardware is 0, checkPidAndHardware will return error.
return OK;
}
return mHardware->sendCommand(cmd, arg1, arg2);
}
// stop preview mode
void CameraService::Client::stopPreview() {
LOG1("stopPreview (pid %d)", getCallingPid());
Mutex::Autolock lock(mLock);
if (checkPidAndHardware() != NO_ERROR) return;
disableMsgType(CAMERA_MSG_PREVIEW_FRAME);
mHardware->stopPreview();
if (mSurface != 0 && !mUseOverlay) {
mSurface->unregisterBuffers();
#ifdef USE_OVERLAY_FORMAT_YCbCr_420_SP
} else {
mOverlayW = 0;
mOverlayH = 0;
#endif
}
mPreviewBuffer.clear();
}
// release a recording frame
void CameraClient::releaseRecordingFrame(const sp<IMemory>& mem) {
//!++
#if 1
ssize_t offset;
size_t size;
sp<IMemoryHeap> heap = mem->getMemory(&offset, &size);
void *data = ((uint8_t *)heap->base()) + offset;
LOG1("RRF:VA(%p)", data);
#endif
//!--
Mutex::Autolock lock(mLock);
//!++
#if 1
LOG1("RRF:VA(%p), get mLock (%d)", data, getCallingPid());
#endif
//!--
if (checkPidAndHardware() != NO_ERROR) return;
mHardware->releaseRecordingFrame(mem);
}
// start preview or recording
status_t CameraClient::startCameraMode(camera_mode mode) {
LOG1("startCameraMode(%d)", mode);
status_t result = checkPidAndHardware();
if (result != NO_ERROR) return result;
switch(mode) {
case CAMERA_PREVIEW_MODE:
if (mSurface == 0 && mPreviewWindow == 0) {
LOG1("mSurface is not set yet.");
// still able to start preview in this case.
}
return startPreviewMode();
case CAMERA_RECORDING_MODE:
if (mSurface == 0 && mPreviewWindow == 0) {
ALOGE("mSurface or mPreviewWindow must be set before startRecordingMode.");
return INVALID_OPERATION;
}
return startRecordingMode();
default:
return UNKNOWN_ERROR;
}
}
// stop recording mode
void CameraClient::stopRecording() {
LOG1("stopRecording (pid %d)", getCallingPid());
Mutex::Autolock lock(mLock);
if (checkPidAndHardware() != NO_ERROR) return;
disableMsgType(CAMERA_MSG_VIDEO_FRAME);
#ifdef QCOM_HARDWARE
//Disable picture related message types
ALOGI("stopRecording: Disable picture related messages");
int picMsgType = 0;
picMsgType = (CAMERA_MSG_SHUTTER |
CAMERA_MSG_POSTVIEW_FRAME |
CAMERA_MSG_RAW_IMAGE |
CAMERA_MSG_RAW_IMAGE_NOTIFY |
CAMERA_MSG_COMPRESSED_IMAGE);
disableMsgType(picMsgType);
#endif
mHardware->stopRecording();
mCameraService->playSound(CameraService::SOUND_RECORDING);
mPreviewBuffer.clear();
}
// set the ISurface that the preview will use
status_t CameraService::Client::setPreviewDisplay(const sp<ISurface>& surface) {
LOG1("setPreviewDisplay(%p) (pid %d)", surface.get(), getCallingPid());
Mutex::Autolock lock(mLock);
status_t result = checkPidAndHardware();
if (result != NO_ERROR) return result;
result = NO_ERROR;
// return if no change in surface.
// asBinder() is safe on NULL (returns NULL)
if (surface->asBinder() == mSurface->asBinder()) {
return result;
}
if (mSurface != 0) {
LOG1("clearing old preview surface %p", mSurface.get());
if (mUseOverlay) {
// Force the destruction of any previous overlay
sp<Overlay> dummy;
mHardware->setOverlay(dummy);
mOverlayRef = 0;
} else {
mSurface->unregisterBuffers();
}
}
mSurface = surface;
mOverlayRef = 0;
// If preview has been already started, set overlay or register preview
// buffers now.
#ifdef USE_OVERLAY_FORMAT_YCbCr_420_SP
if (mHardware->previewEnabled() || mUseOverlay) {
#else
if (mHardware->previewEnabled()) {
#endif
if (mUseOverlay) {
#ifdef USE_OVERLAY_FORMAT_YCbCr_420_SP
if (mSurface != NULL) {
#endif
result = setOverlay();
#ifdef USE_OVERLAY_FORMAT_YCbCr_420_SP
}
#endif
} else if (mSurface != 0) {
result = registerPreviewBuffers();
}
}
return result;
}
status_t CameraService::Client::registerPreviewBuffers() {
int w, h;
CameraParameters params(mHardware->getParameters());
params.getPreviewSize(&w, &h);
//for 720p recording , preview can be 800X448
if(w == preview_sizes[0].width && h== preview_sizes[0].height){
LOGD("registerpreviewbufs :changing dimensions to 768X432 for 720p recording.");
w = preview_sizes[1].width;
h = preview_sizes[1].height;
}
// FIXME: don't use a hardcoded format here.
ISurface::BufferHeap buffers(w, h, w, h,
HAL_PIXEL_FORMAT_YCrCb_420_SP,
mOrientation,
0,
mHardware->getPreviewHeap());
status_t result = mSurface->registerBuffers(buffers);
if (result != NO_ERROR) {
LOGE("registerBuffers failed with status %d", result);
}
return result;
}
status_t CameraService::Client::setOverlay() {
int w, h;
CameraParameters params(mHardware->getParameters());
params.getPreviewSize(&w, &h);
//for 720p recording , preview can be 800X448
if(w == preview_sizes[0].width && h==preview_sizes[0].height){
LOGD("Changing overlay dimensions to 768X432 for 720p recording.");
w = preview_sizes[1].width;
h = preview_sizes[1].height;
}
if (w != mOverlayW || h != mOverlayH || mOrientationChanged) {
// Force the destruction of any previous overlay
sp<Overlay> dummy;
mHardware->setOverlay(dummy);
mOverlayRef = 0;
#ifdef USE_OVERLAY_FORMAT_YCbCr_420_SP
if (mOverlay != NULL) {
mOverlay->destroy();
}
#endif
mOrientationChanged = false;
}
status_t result = NO_ERROR;
if (mSurface == 0) {
result = mHardware->setOverlay(NULL);
} else {
if (mOverlayRef == 0) {
// FIXME:
// Surfaceflinger may hold onto the previous overlay reference for some
// time after we try to destroy it. retry a few times. In the future, we
// should make the destroy call block, or possibly specify that we can
// wait in the createOverlay call if the previous overlay is in the
// process of being destroyed.
for (int retry = 0; retry < 50; ++retry) {
mOverlayRef = mSurface->createOverlay(w, h,
#ifdef USE_OVERLAY_FORMAT_YCbCr_420_SP
HAL_PIXEL_FORMAT_YCbCr_420_SP,
#else
OVERLAY_FORMAT_DEFAULT,
#endif
mOrientation);
if (mOverlayRef != 0) break;
LOGW("Overlay create failed - retrying");
usleep(20000);
}
if (mOverlayRef == 0) {
LOGE("Overlay Creation Failed!");
return -EINVAL;
}
#ifdef USE_OVERLAY_FORMAT_YCbCr_420_SP
mOverlay = new Overlay(mOverlayRef);
result = mHardware->setOverlay(mOverlay);
#else
result = mHardware->setOverlay(new Overlay(mOverlayRef));
#endif
}
}
if (result != NO_ERROR) {
LOGE("mHardware->setOverlay() failed with status %d\n", result);
return result;
}
mOverlayW = w;
mOverlayH = h;
return result;
}
// set the preview callback flag to affect how the received frames from
// preview are handled.
void CameraService::Client::setPreviewCallbackFlag(int callback_flag) {
LOG1("setPreviewCallbackFlag(%d) (pid %d)", callback_flag, getCallingPid());
Mutex::Autolock lock(mLock);
if (checkPidAndHardware() != NO_ERROR) return;
mPreviewCallbackFlag = callback_flag;
// If we don't use overlay, we always need the preview frame for display.
// If we do use overlay, we only need the preview frame if the user
// wants the data.
if (mUseOverlay) {
if(mPreviewCallbackFlag & FRAME_CALLBACK_FLAG_ENABLE_MASK) {
enableMsgType(CAMERA_MSG_PREVIEW_FRAME);
} else {
disableMsgType(CAMERA_MSG_PREVIEW_FRAME);
}
}
}
// release a recording frame
void CameraService::Client::releaseRecordingFrame(const sp<IMemory>& mem) {
Mutex::Autolock lock(mLock);
if (checkPidAndHardware() != NO_ERROR) return;
mHardware->releaseRecordingFrame(mem);
}
