| /* |
| * Copyright (C) 2009 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "IAudioFlingerClient" |
| #include <utils/Log.h> |
| |
| #include <stdint.h> |
| #include <sys/types.h> |
| |
| #include <binder/Parcel.h> |
| |
| #include <media/IAudioFlingerClient.h> |
| #include <media/AudioSystem.h> |
| |
| namespace android { |
| |
| enum { |
| IO_CONFIG_CHANGED = IBinder::FIRST_CALL_TRANSACTION |
| }; |
| |
| class BpAudioFlingerClient : public BpInterface<IAudioFlingerClient> |
| { |
| public: |
| BpAudioFlingerClient(const sp<IBinder>& impl) |
| : BpInterface<IAudioFlingerClient>(impl) |
| { |
| } |
| |
| void ioConfigChanged(int event, int ioHandle, void *param2) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlingerClient::getInterfaceDescriptor()); |
| data.writeInt32(event); |
| data.writeInt32(ioHandle); |
| if (event == AudioSystem::STREAM_CONFIG_CHANGED) { |
| uint32_t stream = *(uint32_t *)param2; |
| ALOGV("ioConfigChanged stream %d", stream); |
| data.writeInt32(stream); |
| } else if (event != AudioSystem::OUTPUT_CLOSED && event != AudioSystem::INPUT_CLOSED) { |
| AudioSystem::OutputDescriptor *desc = (AudioSystem::OutputDescriptor *)param2; |
| data.writeInt32(desc->samplingRate); |
| data.writeInt32(desc->format); |
| data.writeInt32(desc->channels); |
| data.writeInt32(desc->frameCount); |
| data.writeInt32(desc->latency); |
| } |
| remote()->transact(IO_CONFIG_CHANGED, data, &reply, IBinder::FLAG_ONEWAY); |
| } |
| }; |
| |
| IMPLEMENT_META_INTERFACE(AudioFlingerClient, "android.media.IAudioFlingerClient"); |
| |
| // ---------------------------------------------------------------------- |
| |
| status_t BnAudioFlingerClient::onTransact( |
| uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) |
| { |
| switch(code) { |
| case IO_CONFIG_CHANGED: { |
| CHECK_INTERFACE(IAudioFlingerClient, data, reply); |
| int event = data.readInt32(); |
| int ioHandle = data.readInt32(); |
| void *param2 = NULL; |
| AudioSystem::OutputDescriptor desc; |
| uint32_t stream; |
| if (event == AudioSystem::STREAM_CONFIG_CHANGED) { |
| stream = data.readInt32(); |
| param2 = &stream; |
| ALOGV("STREAM_CONFIG_CHANGED stream %d", stream); |
| } else if (event != AudioSystem::OUTPUT_CLOSED && event != AudioSystem::INPUT_CLOSED) { |
| desc.samplingRate = data.readInt32(); |
| desc.format = data.readInt32(); |
| desc.channels = data.readInt32(); |
| desc.frameCount = data.readInt32(); |
| desc.latency = data.readInt32(); |
| param2 = &desc; |
| } |
| ioConfigChanged(event, ioHandle, param2); |
| return NO_ERROR; |
| } break; |
| default: |
| return BBinder::onTransact(code, data, reply, flags); |
| } |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| }; // namespace android |