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 26 namespace android { 27 28 enum { 29 DATA_CALLBACK_TIMESTAMP = IBinder::FIRST_CALL_TRANSACTION, 30 RECORDING_FRAME_HANDLE_CALLBACK_TIMESTAMP, 31 RECORDING_FRAME_HANDLE_CALLBACK_TIMESTAMP_BATCH 32 }; 33 34 class BpCameraRecordingProxyListener: public BpInterface<ICameraRecordingProxyListener> 35 { 36 public: 37 explicit BpCameraRecordingProxyListener(const sp<IBinder>& impl) 38 : BpInterface<ICameraRecordingProxyListener>(impl) 39 { 40 } 41 42 void dataCallbackTimestamp(nsecs_t timestamp, int32_t msgType, const sp<IMemory>& imageData) 43 { 44 ALOGV("dataCallback"); 45 Parcel data, reply; 46 data.writeInterfaceToken(ICameraRecordingProxyListener::getInterfaceDescriptor()); 47 data.writeInt64(timestamp); 48 data.writeInt32(msgType); 49 data.writeStrongBinder(IInterface::asBinder(imageData)); 50 remote()->transact(DATA_CALLBACK_TIMESTAMP, data, &reply, IBinder::FLAG_ONEWAY); 51 } 52 53 void recordingFrameHandleCallbackTimestamp(nsecs_t timestamp, native_handle_t* handle) { 54 ALOGV("recordingFrameHandleCallbackTimestamp"); 55 Parcel data, reply; 56 data.writeInterfaceToken(ICameraRecordingProxyListener::getInterfaceDescriptor()); 57 data.writeInt64(timestamp); 58 data.writeNativeHandle(handle); 59 remote()->transact(RECORDING_FRAME_HANDLE_CALLBACK_TIMESTAMP, data, &reply, 60 IBinder::FLAG_ONEWAY); 61 62 // The native handle is dupped in ICameraClient so we need to free it here. 63 native_handle_close(handle); 64 native_handle_delete(handle); 65 } 66 67 void recordingFrameHandleCallbackTimestampBatch( 68 const std::vector<nsecs_t>& timestamps, 69 const std::vector<native_handle_t*>& handles) { 70 ALOGV("recordingFrameHandleCallbackTimestampBatch"); 71 Parcel data, reply; 72 data.writeInterfaceToken(ICameraRecordingProxyListener::getInterfaceDescriptor()); 73 74 uint32_t n = timestamps.size(); 75 if (n != handles.size()) { 76 ALOGE("%s: size of timestamps(%zu) and handles(%zu) mismatch!", 77 __FUNCTION__, timestamps.size(), handles.size()); 78 return; 79 } 80 data.writeUint32(n); 81 for (auto ts : timestamps) { 82 data.writeInt64(ts); 83 } 84 for (auto& handle : handles) { 85 data.writeNativeHandle(handle); 86 } 87 remote()->transact(RECORDING_FRAME_HANDLE_CALLBACK_TIMESTAMP_BATCH, data, &reply, 88 IBinder::FLAG_ONEWAY); 89 90 // The native handle is dupped in ICameraClient so we need to free it here. 91 for (auto& handle : handles) { 92 native_handle_close(handle); 93 native_handle_delete(handle); 94 } 95 } 96 }; 97 98 IMPLEMENT_META_INTERFACE(CameraRecordingProxyListener, "android.hardware.ICameraRecordingProxyListener"); 99 100 // ---------------------------------------------------------------------- 101 102 status_t BnCameraRecordingProxyListener::onTransact( 103 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) 104 { 105 switch(code) { 106 case DATA_CALLBACK_TIMESTAMP: { 107 ALOGV("DATA_CALLBACK_TIMESTAMP"); 108 CHECK_INTERFACE(ICameraRecordingProxyListener, data, reply); 109 nsecs_t timestamp = data.readInt64(); 110 int32_t msgType = data.readInt32(); 111 sp<IMemory> imageData = interface_cast<IMemory>(data.readStrongBinder()); 112 dataCallbackTimestamp(timestamp, msgType, imageData); 113 return NO_ERROR; 114 } break; 115 case RECORDING_FRAME_HANDLE_CALLBACK_TIMESTAMP: { 116 ALOGV("RECORDING_FRAME_HANDLE_CALLBACK_TIMESTAMP"); 117 CHECK_INTERFACE(ICameraRecordingProxyListener, data, reply); 118 nsecs_t timestamp; 119 status_t res = data.readInt64(×tamp); 120 if (res != OK) { 121 ALOGE("%s: Failed to read timestamp: %s (%d)", __FUNCTION__, strerror(-res), res); 122 return BAD_VALUE; 123 } 124 125 native_handle_t* handle = data.readNativeHandle(); 126 if (handle == nullptr) { 127 ALOGE("%s: Received a null native handle", __FUNCTION__); 128 return BAD_VALUE; 129 } 130 // The native handle will be freed in 131 // BpCameraRecordingProxy::releaseRecordingFrameHandle. 132 recordingFrameHandleCallbackTimestamp(timestamp, handle); 133 return NO_ERROR; 134 } break; 135 case RECORDING_FRAME_HANDLE_CALLBACK_TIMESTAMP_BATCH: { 136 ALOGV("RECORDING_FRAME_HANDLE_CALLBACK_TIMESTAMP_BATCH"); 137 CHECK_INTERFACE(ICameraRecordingProxyListener, data, reply); 138 uint32_t n = 0; 139 status_t res = data.readUint32(&n); 140 if (res != OK) { 141 ALOGE("%s: Failed to read batch size: %s (%d)", __FUNCTION__, strerror(-res), res); 142 return BAD_VALUE; 143 } 144 std::vector<nsecs_t> timestamps; 145 std::vector<native_handle_t*> handles; 146 timestamps.reserve(n); 147 handles.reserve(n); 148 for (uint32_t i = 0; i < n; i++) { 149 res = data.readInt64(×tamps[i]); 150 if (res != OK) { 151 ALOGE("%s: Failed to read timestamp[%d]: %s (%d)", 152 __FUNCTION__, i, strerror(-res), res); 153 return BAD_VALUE; 154 } 155 } 156 for (uint32_t i = 0; i < n; i++) { 157 native_handle_t* handle = data.readNativeHandle(); 158 if (handle == nullptr) { 159 ALOGE("%s: Received a null native handle at handles[%d]", 160 __FUNCTION__, i); 161 return BAD_VALUE; 162 } 163 handles.push_back(handle); 164 } 165 // The native handle will be freed in 166 // BpCameraRecordingProxy::releaseRecordingFrameHandleBatch. 167 recordingFrameHandleCallbackTimestampBatch(timestamps, handles); 168 return NO_ERROR; 169 } break; 170 default: 171 return BBinder::onTransact(code, data, reply, flags); 172 } 173 } 174 175 // ---------------------------------------------------------------------------- 176 177 }; // namespace android 178 179
