1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17//#define LOG_NDEBUG 0 18#define LOG_TAG "ICameraRecordingProxyListener" 19#include <camera/CameraUtils.h> 20#include <camera/ICameraRecordingProxyListener.h> 21#include <binder/IMemory.h> 22#include <binder/Parcel.h> 23#include <media/hardware/HardwareAPI.h> 24#include <utils/Log.h> 25 26namespace android { 27 28enum { 29 DATA_CALLBACK_TIMESTAMP = IBinder::FIRST_CALL_TRANSACTION, 30 RECORDING_FRAME_HANDLE_CALLBACK_TIMESTAMP, 31}; 32 33class BpCameraRecordingProxyListener: public BpInterface<ICameraRecordingProxyListener> 34{ 35public: 36 BpCameraRecordingProxyListener(const sp<IBinder>& impl) 37 : BpInterface<ICameraRecordingProxyListener>(impl) 38 { 39 } 40 41 void dataCallbackTimestamp(nsecs_t timestamp, int32_t msgType, const sp<IMemory>& imageData) 42 { 43 ALOGV("dataCallback"); 44 Parcel data, reply; 45 data.writeInterfaceToken(ICameraRecordingProxyListener::getInterfaceDescriptor()); 46 data.writeInt64(timestamp); 47 data.writeInt32(msgType); 48 data.writeStrongBinder(IInterface::asBinder(imageData)); 49 remote()->transact(DATA_CALLBACK_TIMESTAMP, data, &reply, IBinder::FLAG_ONEWAY); 50 } 51 52 void recordingFrameHandleCallbackTimestamp(nsecs_t timestamp, native_handle_t* handle) { 53 ALOGV("recordingFrameHandleCallbackTimestamp"); 54 Parcel data, reply; 55 data.writeInterfaceToken(ICameraRecordingProxyListener::getInterfaceDescriptor()); 56 data.writeInt64(timestamp); 57 data.writeNativeHandle(handle); 58 remote()->transact(RECORDING_FRAME_HANDLE_CALLBACK_TIMESTAMP, data, &reply, 59 IBinder::FLAG_ONEWAY); 60 61 // The native handle is dupped in ICameraClient so we need to free it here. 62 native_handle_close(handle); 63 native_handle_delete(handle); 64 } 65}; 66 67IMPLEMENT_META_INTERFACE(CameraRecordingProxyListener, "android.hardware.ICameraRecordingProxyListener"); 68 69// ---------------------------------------------------------------------- 70 71status_t BnCameraRecordingProxyListener::onTransact( 72 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) 73{ 74 switch(code) { 75 case DATA_CALLBACK_TIMESTAMP: { 76 ALOGV("DATA_CALLBACK_TIMESTAMP"); 77 CHECK_INTERFACE(ICameraRecordingProxyListener, data, reply); 78 nsecs_t timestamp = data.readInt64(); 79 int32_t msgType = data.readInt32(); 80 sp<IMemory> imageData = interface_cast<IMemory>(data.readStrongBinder()); 81 dataCallbackTimestamp(timestamp, msgType, imageData); 82 return NO_ERROR; 83 } break; 84 case RECORDING_FRAME_HANDLE_CALLBACK_TIMESTAMP: { 85 ALOGV("RECORDING_FRAME_HANDLE_CALLBACK_TIMESTAMP"); 86 CHECK_INTERFACE(ICameraRecordingProxyListener, data, reply); 87 nsecs_t timestamp; 88 status_t res = data.readInt64(×tamp); 89 if (res != OK) { 90 ALOGE("%s: Failed to read timestamp: %s (%d)", __FUNCTION__, strerror(-res), res); 91 return BAD_VALUE; 92 } 93 94 native_handle_t* handle = data.readNativeHandle(); 95 if (handle == nullptr) { 96 ALOGE("%s: Received a null native handle", __FUNCTION__); 97 return BAD_VALUE; 98 } 99 // The native handle will be freed in 100 // BpCameraRecordingProxy::releaseRecordingFrameHandle. 101 recordingFrameHandleCallbackTimestamp(timestamp, handle); 102 return NO_ERROR; 103 } break; 104 default: 105 return BBinder::onTransact(code, data, reply, flags); 106 } 107} 108 109// ---------------------------------------------------------------------------- 110 111}; // namespace android 112 113