1 /* 2 * Copyright (C) 2009 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_TAG "IAudioFlingerClient" 18 #include <utils/Log.h> 19 20 #include <stdint.h> 21 #include <sys/types.h> 22 23 #include <binder/Parcel.h> 24 25 #include <media/IAudioFlingerClient.h> 26 #include <media/AudioSystem.h> 27 28 namespace android { 29 30 enum { 31 IO_CONFIG_CHANGED = IBinder::FIRST_CALL_TRANSACTION 32 }; 33 34 class BpAudioFlingerClient : public BpInterface<IAudioFlingerClient> 35 { 36 public: 37 explicit BpAudioFlingerClient(const sp<IBinder>& impl) 38 : BpInterface<IAudioFlingerClient>(impl) 39 { 40 } 41 42 void ioConfigChanged(audio_io_config_event event, const sp<AudioIoDescriptor>& ioDesc) 43 { 44 Parcel data, reply; 45 data.writeInterfaceToken(IAudioFlingerClient::getInterfaceDescriptor()); 46 data.writeInt32(event); 47 data.writeInt32((int32_t)ioDesc->mIoHandle); 48 data.write(&ioDesc->mPatch, sizeof(struct audio_patch)); 49 data.writeInt32(ioDesc->mSamplingRate); 50 data.writeInt32(ioDesc->mFormat); 51 data.writeInt32(ioDesc->mChannelMask); 52 data.writeInt64(ioDesc->mFrameCount); 53 data.writeInt64(ioDesc->mFrameCountHAL); 54 data.writeInt32(ioDesc->mLatency); 55 data.writeInt32(ioDesc->mPortId); 56 remote()->transact(IO_CONFIG_CHANGED, data, &reply, IBinder::FLAG_ONEWAY); 57 } 58 }; 59 60 IMPLEMENT_META_INTERFACE(AudioFlingerClient, "android.media.IAudioFlingerClient"); 61 62 // ---------------------------------------------------------------------- 63 64 status_t BnAudioFlingerClient::onTransact( 65 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) 66 { 67 switch (code) { 68 case IO_CONFIG_CHANGED: { 69 CHECK_INTERFACE(IAudioFlingerClient, data, reply); 70 audio_io_config_event event = (audio_io_config_event)data.readInt32(); 71 sp<AudioIoDescriptor> ioDesc = new AudioIoDescriptor(); 72 ioDesc->mIoHandle = (audio_io_handle_t) data.readInt32(); 73 data.read(&ioDesc->mPatch, sizeof(struct audio_patch)); 74 ioDesc->mSamplingRate = data.readInt32(); 75 ioDesc->mFormat = (audio_format_t) data.readInt32(); 76 ioDesc->mChannelMask = (audio_channel_mask_t) data.readInt32(); 77 ioDesc->mFrameCount = data.readInt64(); 78 ioDesc->mFrameCountHAL = data.readInt64(); 79 ioDesc->mLatency = data.readInt32(); 80 ioDesc->mPortId = data.readInt32(); 81 ioConfigChanged(event, ioDesc); 82 return NO_ERROR; 83 } break; 84 default: 85 return BBinder::onTransact(code, data, reply, flags); 86 } 87 } 88 89 // ---------------------------------------------------------------------------- 90 91 } // namespace android 92