diff options
Diffstat (limited to 'services/camera/libcameraservice/CameraService.cpp')
| -rw-r--r-- | services/camera/libcameraservice/CameraService.cpp | 322 |
1 files changed, 141 insertions, 181 deletions
diff --git a/services/camera/libcameraservice/CameraService.cpp b/services/camera/libcameraservice/CameraService.cpp index a64ddcf..3d8ca7a 100644 --- a/services/camera/libcameraservice/CameraService.cpp +++ b/services/camera/libcameraservice/CameraService.cpp @@ -26,11 +26,12 @@ #include <binder/MemoryBase.h> #include <binder/MemoryHeapBase.h> #include <cutils/atomic.h> +#include <cutils/properties.h> +#include <gui/SurfaceTextureClient.h> #include <hardware/hardware.h> #include <media/AudioSystem.h> #include <media/mediaplayer.h> #include <surfaceflinger/ISurface.h> -#include <ui/Overlay.h> #include <utils/Errors.h> #include <utils/Log.h> #include <utils/String16.h> @@ -305,9 +306,9 @@ CameraService::Client::Client(const sp<CameraService>& cameraService, mCameraId = cameraId; mCameraFacing = cameraFacing; mClientPid = clientPid; - mUseOverlay = mHardware->useOverlay(); mMsgEnabled = 0; - + mSurface = 0; + mPreviewWindow = 0; mHardware->setCallbacks(notifyCallback, dataCallback, dataCallbackTimestamp, @@ -317,42 +318,21 @@ CameraService::Client::Client(const sp<CameraService>& cameraService, enableMsgType(CAMERA_MSG_ERROR | CAMERA_MSG_ZOOM | CAMERA_MSG_FOCUS); - mOverlayW = 0; - mOverlayH = 0; // Callback is disabled by default mPreviewCallbackFlag = FRAME_CALLBACK_FLAG_NOOP; mOrientation = getOrientation(0, mCameraFacing == CAMERA_FACING_FRONT); - mOrientationChanged = false; + mPlayShutterSound = true; cameraService->setCameraBusy(cameraId); cameraService->loadSound(); LOG1("Client::Client X (pid %d)", callingPid); } -static void *unregister_surface(void *arg) { - ISurface *surface = (ISurface *)arg; - surface->unregisterBuffers(); - IPCThreadState::self()->flushCommands(); - return NULL; -} - // tear down the client CameraService::Client::~Client() { int callingPid = getCallingPid(); LOG1("Client::~Client E (pid %d, this %p)", callingPid, this); - if (mSurface != 0 && !mUseOverlay) { - pthread_t thr; - // We unregister the buffers in a different thread because binder does - // not let us make sychronous transactions in a binder destructor (that - // is, upon our reaching a refcount of zero.) - pthread_create(&thr, - NULL, // attr - unregister_surface, - mSurface.get()); - pthread_join(thr, NULL); - } - // set mClientPid to let disconnet() tear down the hardware mClientPid = callingPid; disconnect(); @@ -466,9 +446,11 @@ void CameraService::Client::disconnect() { mHardware->cancelPicture(); // Release the hardware resources. mHardware->release(); - // Release the held overlay resources. - if (mUseOverlay) { - mOverlayRef = 0; + + // Release the held ANativeWindow resources. + if (mPreviewWindow != 0) { + mPreviewWindow = 0; + mHardware->setPreviewWindow(mPreviewWindow); } mHardware.clear(); @@ -480,8 +462,8 @@ void CameraService::Client::disconnect() { // ---------------------------------------------------------------------------- -// set the ISurface that the preview will use -status_t CameraService::Client::setPreviewDisplay(const sp<ISurface>& surface) { +// set the Surface that the preview will use +status_t CameraService::Client::setPreviewDisplay(const sp<Surface>& surface) { LOG1("setPreviewDisplay(%p) (pid %d)", surface.get(), getCallingPid()); Mutex::Autolock lock(mLock); status_t result = checkPidAndHardware(); @@ -491,100 +473,64 @@ status_t CameraService::Client::setPreviewDisplay(const sp<ISurface>& surface) { // return if no change in surface. // asBinder() is safe on NULL (returns NULL) - if (surface->asBinder() == mSurface->asBinder()) { + if (getISurface(surface)->asBinder() == mSurface) { 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 + mSurface = getISurface(surface)->asBinder(); + mPreviewWindow = surface; + + // If preview has been already started, register preview // buffers now. if (mHardware->previewEnabled()) { - if (mUseOverlay) { - result = setOverlay(); - } else if (mSurface != 0) { - result = registerPreviewBuffers(); + if (mPreviewWindow != 0) { + native_window_set_buffers_transform(mPreviewWindow.get(), + mOrientation); + result = mHardware->setPreviewWindow(mPreviewWindow); } } return result; } -status_t CameraService::Client::registerPreviewBuffers() { - int w, h; - CameraParameters params(mHardware->getParameters()); - params.getPreviewSize(&w, &h); - - // 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()); +// set the SurfaceTexture that the preview will use +status_t CameraService::Client::setPreviewTexture( + const sp<ISurfaceTexture>& surfaceTexture) { + LOG1("setPreviewTexture(%p) (pid %d)", surfaceTexture.get(), + getCallingPid()); + Mutex::Autolock lock(mLock); + status_t result = checkPidAndHardware(); + if (result != NO_ERROR) return result; - status_t result = mSurface->registerBuffers(buffers); - if (result != NO_ERROR) { - LOGE("registerBuffers failed with status %d", result); + // return if no change in surface. + // asBinder() is safe on NULL (returns NULL) + if (surfaceTexture->asBinder() == mSurface) { + return result; } - return result; -} - -status_t CameraService::Client::setOverlay() { - int w, h; - CameraParameters params(mHardware->getParameters()); - params.getPreviewSize(&w, &h); - if (w != mOverlayW || h != mOverlayH || mOrientationChanged) { - // Force the destruction of any previous overlay - sp<Overlay> dummy; - mHardware->setOverlay(dummy); - mOverlayRef = 0; - mOrientationChanged = false; + if (mSurface != 0) { + LOG1("clearing old preview surface %p", mSurface.get()); } - - status_t result = NO_ERROR; - if (mSurface == 0) { - result = mHardware->setOverlay(NULL); + mSurface = surfaceTexture->asBinder(); + if (surfaceTexture != 0) { + mPreviewWindow = new SurfaceTextureClient(surfaceTexture); } 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, OVERLAY_FORMAT_DEFAULT, - mOrientation); - if (mOverlayRef != 0) break; - LOGW("Overlay create failed - retrying"); - usleep(20000); - } - if (mOverlayRef == 0) { - LOGE("Overlay Creation Failed!"); - return -EINVAL; - } - result = mHardware->setOverlay(new Overlay(mOverlayRef)); - } - } - if (result != NO_ERROR) { - LOGE("mHardware->setOverlay() failed with status %d\n", result); - return result; + mPreviewWindow = 0; } - mOverlayW = w; - mOverlayH = h; + // If preview has been already started, set overlay or register preview + // buffers now. + if (mHardware->previewEnabled()) { + // XXX: What if the new preview window is 0? + if (mPreviewWindow != 0) { + native_window_set_buffers_transform(mPreviewWindow.get(), + mOrientation); + result = mHardware->setPreviewWindow(mPreviewWindow); + } + } return result; } @@ -597,16 +543,10 @@ void CameraService::Client::setPreviewCallbackFlag(int callback_flag) { 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); - } + if (mPreviewCallbackFlag & FRAME_CALLBACK_FLAG_ENABLE_MASK) { + enableMsgType(CAMERA_MSG_PREVIEW_FRAME); + } else { + disableMsgType(CAMERA_MSG_PREVIEW_FRAME); } } @@ -631,14 +571,14 @@ status_t CameraService::Client::startCameraMode(camera_mode mode) { switch(mode) { case CAMERA_PREVIEW_MODE: - if (mSurface == 0) { + 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) { - LOGE("mSurface must be set before startRecordingMode."); + if (mSurface == 0 && mPreviewWindow == 0) { + LOGE("mSurface or mPreviewWindow must be set before startRecordingMode."); return INVALID_OPERATION; } return startRecordingMode(); @@ -656,25 +596,13 @@ status_t CameraService::Client::startPreviewMode() { return NO_ERROR; } - if (mUseOverlay) { - // If preview display has been set, set overlay now. - if (mSurface != 0) { - result = setOverlay(); - } - if (result != NO_ERROR) return result; - result = mHardware->startPreview(); - } else { - enableMsgType(CAMERA_MSG_PREVIEW_FRAME); - result = mHardware->startPreview(); - if (result != NO_ERROR) return result; - // If preview display has been set, register preview buffers now. - if (mSurface != 0) { - // Unregister here because the surface may be previously registered - // with the raw (snapshot) heap. - mSurface->unregisterBuffers(); - result = registerPreviewBuffers(); - } + if (mPreviewWindow != 0) { + native_window_set_buffers_transform(mPreviewWindow.get(), + mOrientation); } + mHardware->setPreviewWindow(mPreviewWindow); + result = mHardware->startPreview(); + return result; } @@ -711,13 +639,10 @@ void CameraService::Client::stopPreview() { Mutex::Autolock lock(mLock); if (checkPidAndHardware() != NO_ERROR) return; + disableMsgType(CAMERA_MSG_PREVIEW_FRAME); mHardware->stopPreview(); - if (mSurface != 0 && !mUseOverlay) { - mSurface->unregisterBuffers(); - } - mPreviewBuffer.clear(); } @@ -741,6 +666,30 @@ void CameraService::Client::releaseRecordingFrame(const sp<IMemory>& mem) { mHardware->releaseRecordingFrame(mem); } +int32_t CameraService::Client::getNumberOfVideoBuffers() const { + LOG1("getNumberOfVideoBuffers"); + Mutex::Autolock lock(mLock); + if (checkPidAndHardware() != NO_ERROR) return 0; + return mHardware->getNumberOfVideoBuffers(); +} + +sp<IMemory> CameraService::Client::getVideoBuffer(int32_t index) const { + LOG1("getVideoBuffer: %d", index); + Mutex::Autolock lock(mLock); + if (checkPidAndHardware() != NO_ERROR) return 0; + return mHardware->getVideoBuffer(index); +} + +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); +} + bool CameraService::Client::previewEnabled() { LOG1("previewEnabled (pid %d)", getCallingPid()); @@ -815,6 +764,35 @@ String8 CameraService::Client::getParameters() const { return params; } +// 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; +} + status_t CameraService::Client::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) { LOG1("sendCommand (pid %d)", getCallingPid()); int orientation; @@ -833,9 +811,22 @@ status_t CameraService::Client::sendCommand(int32_t cmd, int32_t arg1, int32_t a if (mOrientation != orientation) { mOrientation = orientation; - if (mOverlayRef != 0) mOrientationChanged = true; } 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); } return mHardware->sendCommand(cmd, arg1, arg2); @@ -996,11 +987,8 @@ void CameraService::Client::dataCallbackTimestamp(nsecs_t timestamp, // "size" is the width and height of yuv picture for registerBuffer. // If it is NULL, use the picture size from parameters. void CameraService::Client::handleShutter(image_rect_type *size) { - mCameraService->playSound(SOUND_SHUTTER); - - // Screen goes black after the buffer is unregistered. - if (mSurface != 0 && !mUseOverlay) { - mSurface->unregisterBuffers(); + if (mPlayShutterSound) { + mCameraService->playSound(SOUND_SHUTTER); } sp<ICameraClient> c = mCameraClient; @@ -1011,29 +999,6 @@ void CameraService::Client::handleShutter(image_rect_type *size) { } disableMsgType(CAMERA_MSG_SHUTTER); - // It takes some time before yuvPicture callback to be called. - // Register the buffer for raw image here to reduce latency. - if (mSurface != 0 && !mUseOverlay) { - int w, h; - CameraParameters params(mHardware->getParameters()); - if (size == NULL) { - params.getPictureSize(&w, &h); - } else { - w = size->width; - h = size->height; - w &= ~1; - h &= ~1; - LOG1("Snapshot image width=%d, height=%d", w, h); - } - // FIXME: don't use hardcoded format constants here - ISurface::BufferHeap buffers(w, h, w, h, - HAL_PIXEL_FORMAT_YCrCb_420_SP, mOrientation, 0, - mHardware->getRawHeap()); - - mSurface->registerBuffers(buffers); - IPCThreadState::self()->flushCommands(); - } - mLock.unlock(); } @@ -1043,12 +1008,6 @@ void CameraService::Client::handlePreviewData(const sp<IMemory>& mem) { size_t size; sp<IMemoryHeap> heap = mem->getMemory(&offset, &size); - if (!mUseOverlay) { - if (mSurface != 0) { - mSurface->postBuffer(offset); - } - } - // local copy of the callback flags int flags = mPreviewCallbackFlag; @@ -1069,9 +1028,7 @@ void CameraService::Client::handlePreviewData(const sp<IMemory>& mem) { mPreviewCallbackFlag &= ~(FRAME_CALLBACK_FLAG_ONE_SHOT_MASK | FRAME_CALLBACK_FLAG_COPY_OUT_MASK | FRAME_CALLBACK_FLAG_ENABLE_MASK); - if (mUseOverlay) { - disableMsgType(CAMERA_MSG_PREVIEW_FRAME); - } + disableMsgType(CAMERA_MSG_PREVIEW_FRAME); } if (c != 0) { @@ -1108,11 +1065,6 @@ void CameraService::Client::handleRawPicture(const sp<IMemory>& mem) { size_t size; sp<IMemoryHeap> heap = mem->getMemory(&offset, &size); - // Put the YUV version of the snapshot in the preview display. - if (mSurface != 0 && !mUseOverlay) { - mSurface->postBuffer(offset); - } - sp<ICameraClient> c = mCameraClient; mLock.unlock(); if (c != 0) { @@ -1292,4 +1244,12 @@ status_t CameraService::dump(int fd, const Vector<String16>& args) { return NO_ERROR; } +sp<ISurface> CameraService::getISurface(const sp<Surface>& surface) { + if (surface != 0) { + return surface->getISurface(); + } else { + return sp<ISurface>(0); + } +} + }; // namespace android |