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/*
* 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;
LOGV("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 = 0;
AudioSystem::OutputDescriptor desc;
uint32_t stream;
if (event == AudioSystem::STREAM_CONFIG_CHANGED) {
stream = data.readInt32();
param2 = &stream;
LOGV("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
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