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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 "IAudioPolicyServiceClient"
#include <utils/Log.h>
#include <stdint.h>
#include <sys/types.h>
#include <binder/Parcel.h>
#include <media/IAudioPolicyServiceClient.h>
#include <media/AudioSystem.h>
namespace android {
enum {
PORT_LIST_UPDATE = IBinder::FIRST_CALL_TRANSACTION,
PATCH_LIST_UPDATE,
MIX_STATE_UPDATE,
OUTPUT_SESSION_EFFECTS_UPDATE
};
class BpAudioPolicyServiceClient : public BpInterface<IAudioPolicyServiceClient>
{
public:
BpAudioPolicyServiceClient(const sp<IBinder>& impl)
: BpInterface<IAudioPolicyServiceClient>(impl)
{
}
void onAudioPortListUpdate()
{
Parcel data, reply;
data.writeInterfaceToken(IAudioPolicyServiceClient::getInterfaceDescriptor());
remote()->transact(PORT_LIST_UPDATE, data, &reply, IBinder::FLAG_ONEWAY);
}
void onAudioPatchListUpdate()
{
Parcel data, reply;
data.writeInterfaceToken(IAudioPolicyServiceClient::getInterfaceDescriptor());
remote()->transact(PATCH_LIST_UPDATE, data, &reply, IBinder::FLAG_ONEWAY);
}
void onDynamicPolicyMixStateUpdate(String8 regId, int32_t state)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioPolicyServiceClient::getInterfaceDescriptor());
data.writeString8(regId);
data.writeInt32(state);
remote()->transact(MIX_STATE_UPDATE, data, &reply, IBinder::FLAG_ONEWAY);
}
void onOutputSessionEffectsUpdate(audio_stream_type_t stream,
audio_unique_id_t sessionId, bool added)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioPolicyServiceClient::getInterfaceDescriptor());
data.writeInt32(stream);
data.writeInt32(sessionId);
data.writeInt32(added ? 1 : 0);
remote()->transact(OUTPUT_SESSION_EFFECTS_UPDATE, data, &reply, IBinder::FLAG_ONEWAY);
}
};
IMPLEMENT_META_INTERFACE(AudioPolicyServiceClient, "android.media.IAudioPolicyServiceClient");
// ----------------------------------------------------------------------
status_t BnAudioPolicyServiceClient::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
switch (code) {
case PORT_LIST_UPDATE: {
CHECK_INTERFACE(IAudioPolicyServiceClient, data, reply);
onAudioPortListUpdate();
return NO_ERROR;
} break;
case PATCH_LIST_UPDATE: {
CHECK_INTERFACE(IAudioPolicyServiceClient, data, reply);
onAudioPatchListUpdate();
return NO_ERROR;
} break;
case MIX_STATE_UPDATE: {
CHECK_INTERFACE(IAudioPolicyServiceClient, data, reply);
String8 regId = data.readString8();
int32_t state = data.readInt32();
onDynamicPolicyMixStateUpdate(regId, state);
return NO_ERROR;
}
case OUTPUT_SESSION_EFFECTS_UPDATE: {
CHECK_INTERFACE(IAudioPolicyServiceClient, data, reply);
audio_stream_type_t stream = static_cast<audio_stream_type_t>(data.readInt32());
audio_unique_id_t sessionId = static_cast<audio_unique_id_t>(data.readInt32());
bool added = data.readInt32() > 0;
onOutputSessionEffectsUpdate(stream, sessionId, added);
return NO_ERROR;
}
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
// ----------------------------------------------------------------------------
} // namespace android
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