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 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 remote()->transact(IO_CONFIG_CHANGED, data, &reply, IBinder::FLAG_ONEWAY); 56 } 57 }; 58 59 IMPLEMENT_META_INTERFACE(AudioFlingerClient, "android.media.IAudioFlingerClient"); 60 61 // ---------------------------------------------------------------------- 62 63 status_t BnAudioFlingerClient::onTransact( 64 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) 65 { 66 switch (code) { 67 case IO_CONFIG_CHANGED: { 68 CHECK_INTERFACE(IAudioFlingerClient, data, reply); 69 audio_io_config_event event = (audio_io_config_event)data.readInt32(); 70 sp<AudioIoDescriptor> ioDesc = new AudioIoDescriptor(); 71 ioDesc->mIoHandle = (audio_io_handle_t) data.readInt32(); 72 data.read(&ioDesc->mPatch, sizeof(struct audio_patch)); 73 ioDesc->mSamplingRate = data.readInt32(); 74 ioDesc->mFormat = (audio_format_t) data.readInt32(); 75 ioDesc->mChannelMask = (audio_channel_mask_t) data.readInt32(); 76 ioDesc->mFrameCount = data.readInt64(); 77 ioDesc->mFrameCountHAL = data.readInt64(); 78 ioDesc->mLatency = data.readInt32(); 79 ioConfigChanged(event, ioDesc); 80 return NO_ERROR; 81 } break; 82 default: 83 return BBinder::onTransact(code, data, reply, flags); 84 } 85 } 86 87 // ---------------------------------------------------------------------------- 88 89 } // namespace android 90