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author | Igor Murashkin <iam@google.com> | 2013-02-20 17:15:11 -0800 |
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committer | Igor Murashkin <iam@google.com> | 2013-02-22 10:50:14 -0800 |
commit | bfb5d5ef5bae01efac171397260a7152782d92c7 (patch) | |
tree | 15f645e0637ae880083804ab5876873a1108a0de /camera/IProCameraCallbacks.cpp | |
parent | e4e5b2f23fa85cae789dc6824ea8af321e211d60 (diff) | |
download | frameworks_av-bfb5d5ef5bae01efac171397260a7152782d92c7.zip frameworks_av-bfb5d5ef5bae01efac171397260a7152782d92c7.tar.gz frameworks_av-bfb5d5ef5bae01efac171397260a7152782d92c7.tar.bz2 |
Camera: Add ProCamera private binder interface for an API2-light functionality
Change-Id: I2af7a807c99df75ea659e6e6acc9c4fca6a56274
Diffstat (limited to 'camera/IProCameraCallbacks.cpp')
-rw-r--r-- | camera/IProCameraCallbacks.cpp | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/camera/IProCameraCallbacks.cpp b/camera/IProCameraCallbacks.cpp new file mode 100644 index 0000000..c2ad74f --- /dev/null +++ b/camera/IProCameraCallbacks.cpp @@ -0,0 +1,144 @@ +/* +** +** Copyright 2013, The Android Open Source Project +** +** Licensed under the Apache License, Version 2.0 (the "License"); +** you may not use this file except in compliance with the License. +** You may obtain a copy of the License at +** +** http://www.apache.org/licenses/LICENSE-2.0 +** +** Unless required by applicable law or agreed to in writing, software +** distributed under the License is distributed on an "AS IS" BASIS, +** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +** See the License for the specific language governing permissions and +** limitations under the License. +*/ + +//#define LOG_NDEBUG 0 +#define LOG_TAG "IProCameraCallbacks" +#include <utils/Log.h> +#include <stdint.h> +#include <sys/types.h> + +#include <binder/Parcel.h> +#include <gui/IGraphicBufferProducer.h> +#include <gui/Surface.h> +#include <utils/Mutex.h> + +#include <camera/IProCameraCallbacks.h> + +namespace android { + +enum { + NOTIFY_CALLBACK = IBinder::FIRST_CALL_TRANSACTION, + DATA_CALLBACK, + DATA_CALLBACK_TIMESTAMP, +}; + +class BpProCameraCallbacks: public BpInterface<IProCameraCallbacks> +{ +public: + BpProCameraCallbacks(const sp<IBinder>& impl) + : BpInterface<IProCameraCallbacks>(impl) + { + } + + // generic callback from camera service to app + void notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2) + { + ALOGV("notifyCallback"); + Parcel data, reply; + data.writeInterfaceToken(IProCameraCallbacks::getInterfaceDescriptor()); + data.writeInt32(msgType); + data.writeInt32(ext1); + data.writeInt32(ext2); + remote()->transact(NOTIFY_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY); + } + + // generic data callback from camera service to app with image data + void dataCallback(int32_t msgType, const sp<IMemory>& imageData, + camera_frame_metadata_t *metadata) + { + ALOGV("dataCallback"); + Parcel data, reply; + data.writeInterfaceToken(IProCameraCallbacks::getInterfaceDescriptor()); + data.writeInt32(msgType); + data.writeStrongBinder(imageData->asBinder()); + if (metadata) { + data.writeInt32(metadata->number_of_faces); + data.write(metadata->faces, + sizeof(camera_face_t) * metadata->number_of_faces); + } + remote()->transact(DATA_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY); + } + + // generic data callback from camera service to app with image data + void dataCallbackTimestamp(nsecs_t timestamp, int32_t msgType, + const sp<IMemory>& imageData) + { + ALOGV("dataCallback"); + Parcel data, reply; + data.writeInterfaceToken(IProCameraCallbacks::getInterfaceDescriptor()); + data.writeInt64(timestamp); + data.writeInt32(msgType); + data.writeStrongBinder(imageData->asBinder()); + remote()->transact(DATA_CALLBACK_TIMESTAMP, data, &reply, + IBinder::FLAG_ONEWAY); + } +}; + +IMPLEMENT_META_INTERFACE(ProCameraCallbacks, + "android.hardware.IProCameraCallbacks"); + +// ---------------------------------------------------------------------- + +status_t BnProCameraCallbacks::onTransact( + uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) +{ + switch(code) { + case NOTIFY_CALLBACK: { + ALOGV("NOTIFY_CALLBACK"); + CHECK_INTERFACE(IProCameraCallbacks, data, reply); + int32_t msgType = data.readInt32(); + int32_t ext1 = data.readInt32(); + int32_t ext2 = data.readInt32(); + notifyCallback(msgType, ext1, ext2); + return NO_ERROR; + } break; + case DATA_CALLBACK: { + ALOGV("DATA_CALLBACK"); + CHECK_INTERFACE(IProCameraCallbacks, data, reply); + int32_t msgType = data.readInt32(); + sp<IMemory> imageData = interface_cast<IMemory>( + data.readStrongBinder()); + camera_frame_metadata_t *metadata = NULL; + if (data.dataAvail() > 0) { + metadata = new camera_frame_metadata_t; + metadata->number_of_faces = data.readInt32(); + metadata->faces = (camera_face_t *) data.readInplace( + sizeof(camera_face_t) * metadata->number_of_faces); + } + dataCallback(msgType, imageData, metadata); + if (metadata) delete metadata; + return NO_ERROR; + } break; + case DATA_CALLBACK_TIMESTAMP: { + ALOGV("DATA_CALLBACK_TIMESTAMP"); + CHECK_INTERFACE(IProCameraCallbacks, data, reply); + nsecs_t timestamp = data.readInt64(); + int32_t msgType = data.readInt32(); + sp<IMemory> imageData = interface_cast<IMemory>( + data.readStrongBinder()); + dataCallbackTimestamp(timestamp, msgType, imageData); + return NO_ERROR; + } break; + default: + return BBinder::onTransact(code, data, reply, flags); + } +} + +// ---------------------------------------------------------------------------- + +}; // namespace android + |