/*
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* Copyright (C) 2011 The Android Open Source Project
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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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//#define LOG_NDEBUG 0
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#define LOG_TAG "ICameraRecordingProxy"
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#include <camera/CameraUtils.h>
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#include <camera/ICameraRecordingProxy.h>
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#include <camera/ICameraRecordingProxyListener.h>
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#include <binder/IMemory.h>
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#include <binder/Parcel.h>
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#include <media/hardware/HardwareAPI.h>
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#include <stdint.h>
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#include <utils/Log.h>
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namespace android {
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enum {
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START_RECORDING = IBinder::FIRST_CALL_TRANSACTION,
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STOP_RECORDING,
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RELEASE_RECORDING_FRAME,
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RELEASE_RECORDING_FRAME_HANDLE,
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RELEASE_RECORDING_FRAME_HANDLE_BATCH,
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};
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class BpCameraRecordingProxy: public BpInterface<ICameraRecordingProxy>
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{
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public:
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explicit BpCameraRecordingProxy(const sp<IBinder>& impl)
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: BpInterface<ICameraRecordingProxy>(impl)
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{
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}
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status_t startRecording(const sp<ICameraRecordingProxyListener>& listener)
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{
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ALOGV("startRecording");
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Parcel data, reply;
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data.writeInterfaceToken(ICameraRecordingProxy::getInterfaceDescriptor());
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data.writeStrongBinder(IInterface::asBinder(listener));
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remote()->transact(START_RECORDING, data, &reply);
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return reply.readInt32();
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}
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void stopRecording()
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{
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ALOGV("stopRecording");
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Parcel data, reply;
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data.writeInterfaceToken(ICameraRecordingProxy::getInterfaceDescriptor());
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remote()->transact(STOP_RECORDING, data, &reply);
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}
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void releaseRecordingFrame(const sp<IMemory>& mem)
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{
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ALOGV("releaseRecordingFrame");
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Parcel data, reply;
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data.writeInterfaceToken(ICameraRecordingProxy::getInterfaceDescriptor());
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data.writeStrongBinder(IInterface::asBinder(mem));
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remote()->transact(RELEASE_RECORDING_FRAME, data, &reply);
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}
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void releaseRecordingFrameHandle(native_handle_t *handle) {
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ALOGV("releaseRecordingFrameHandle");
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Parcel data, reply;
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data.writeInterfaceToken(ICameraRecordingProxy::getInterfaceDescriptor());
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data.writeNativeHandle(handle);
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remote()->transact(RELEASE_RECORDING_FRAME_HANDLE, data, &reply);
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// Close the native handle because camera received a dup copy.
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native_handle_close(handle);
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native_handle_delete(handle);
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}
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void releaseRecordingFrameHandleBatch(const std::vector<native_handle_t*>& handles) {
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ALOGV("releaseRecordingFrameHandleBatch");
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Parcel data, reply;
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data.writeInterfaceToken(ICameraRecordingProxy::getInterfaceDescriptor());
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uint32_t n = handles.size();
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data.writeUint32(n);
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for (auto& handle : handles) {
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data.writeNativeHandle(handle);
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}
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remote()->transact(RELEASE_RECORDING_FRAME_HANDLE_BATCH, data, &reply);
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// Close the native handle because camera received a dup copy.
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for (auto& handle : handles) {
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native_handle_close(handle);
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native_handle_delete(handle);
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}
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}
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};
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IMPLEMENT_META_INTERFACE(CameraRecordingProxy, "android.hardware.ICameraRecordingProxy");
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// ----------------------------------------------------------------------
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status_t BnCameraRecordingProxy::onTransact(
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uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
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{
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switch(code) {
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case START_RECORDING: {
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ALOGV("START_RECORDING");
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CHECK_INTERFACE(ICameraRecordingProxy, data, reply);
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sp<ICameraRecordingProxyListener> listener =
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interface_cast<ICameraRecordingProxyListener>(data.readStrongBinder());
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reply->writeInt32(startRecording(listener));
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return NO_ERROR;
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} break;
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case STOP_RECORDING: {
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ALOGV("STOP_RECORDING");
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CHECK_INTERFACE(ICameraRecordingProxy, data, reply);
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stopRecording();
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return NO_ERROR;
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} break;
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case RELEASE_RECORDING_FRAME: {
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ALOGV("RELEASE_RECORDING_FRAME");
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CHECK_INTERFACE(ICameraRecordingProxy, data, reply);
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sp<IMemory> mem = interface_cast<IMemory>(data.readStrongBinder());
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releaseRecordingFrame(mem);
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return NO_ERROR;
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} break;
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case RELEASE_RECORDING_FRAME_HANDLE: {
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ALOGV("RELEASE_RECORDING_FRAME_HANDLE");
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CHECK_INTERFACE(ICameraRecordingProxy, data, reply);
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// releaseRecordingFrameHandle will be responsble to close the native handle.
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releaseRecordingFrameHandle(data.readNativeHandle());
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return NO_ERROR;
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} break;
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case RELEASE_RECORDING_FRAME_HANDLE_BATCH: {
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ALOGV("RELEASE_RECORDING_FRAME_HANDLE_BATCH");
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CHECK_INTERFACE(ICameraRecordingProxy, data, reply);
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uint32_t n = 0;
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status_t res = data.readUint32(&n);
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if (res != OK) {
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ALOGE("%s: Failed to read batch size: %s (%d)", __FUNCTION__, strerror(-res), res);
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return BAD_VALUE;
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}
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std::vector<native_handle_t*> handles;
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handles.reserve(n);
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for (uint32_t i = 0; i < n; i++) {
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native_handle_t* handle = data.readNativeHandle();
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if (handle == nullptr) {
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ALOGE("%s: Received a null native handle at handles[%d]",
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__FUNCTION__, i);
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return BAD_VALUE;
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}
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handles.push_back(handle);
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}
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// releaseRecordingFrameHandleBatch will be responsble to close the native handle.
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releaseRecordingFrameHandleBatch(handles);
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return NO_ERROR;
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} break;
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default:
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return BBinder::onTransact(code, data, reply, flags);
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}
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}
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// ----------------------------------------------------------------------------
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}; // namespace android
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