blob: 0f9580c3ff620fc3f691bad22c49fbe63aa898fe [file] [log] [blame]
/*
* 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,
RECORDING_CONFIGURATION_UPDATE,
VOLUME_GROUP_CHANGED,
};
// ----------------------------------------------------------------------
inline void readAudioConfigBaseFromParcel(const Parcel& data, audio_config_base_t *config) {
config->sample_rate = data.readUint32();
config->channel_mask = (audio_channel_mask_t) data.readInt32();
config->format = (audio_format_t) data.readInt32();
}
inline void writeAudioConfigBaseToParcel(Parcel& data, const audio_config_base_t *config)
{
data.writeUint32(config->sample_rate);
data.writeInt32((int32_t) config->channel_mask);
data.writeInt32((int32_t) config->format);
}
inline void readRecordClientInfoFromParcel(const Parcel& data, record_client_info_t *clientInfo) {
clientInfo->riid = (audio_unique_id_t) data.readInt32();
clientInfo->uid = (uid_t) data.readUint32();
clientInfo->session = (audio_session_t) data.readInt32();
clientInfo->source = (audio_source_t) data.readInt32();
data.read(&clientInfo->port_id, sizeof(audio_port_handle_t));
clientInfo->silenced = data.readBool();
}
inline void writeRecordClientInfoToParcel(Parcel& data, const record_client_info_t *clientInfo) {
data.writeInt32((int32_t) clientInfo->riid);
data.writeUint32((uint32_t) clientInfo->uid);
data.writeInt32((int32_t) clientInfo->session);
data.writeInt32((int32_t) clientInfo->source);
data.write(&clientInfo->port_id, sizeof(audio_port_handle_t));
data.writeBool(clientInfo->silenced);
}
inline void readEffectVectorFromParcel(const Parcel& data,
std::vector<effect_descriptor_t> *effects) {
int32_t numEffects = data.readInt32();
for (int32_t i = 0; i < numEffects; i++) {
effect_descriptor_t effect;
if (data.read(&effect, sizeof(effect_descriptor_t)) != NO_ERROR) {
break;
}
(*effects).push_back(effect);
}
}
inline void writeEffectVectorToParcel(Parcel& data, std::vector<effect_descriptor_t> effects) {
data.writeUint32((uint32_t) effects.size());
for (const auto& effect : effects) {
if (data.write(&effect, sizeof(effect_descriptor_t)) != NO_ERROR) {
break;
}
}
}
// ----------------------------------------------------------------------
class BpAudioPolicyServiceClient : public BpInterface<IAudioPolicyServiceClient>
{
public:
explicit 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 onAudioVolumeGroupChanged(volume_group_t group, int flags)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioPolicyServiceClient::getInterfaceDescriptor());
data.writeUint32(group);
data.writeInt32(flags);
remote()->transact(VOLUME_GROUP_CHANGED, 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 onRecordingConfigurationUpdate(int event,
const record_client_info_t *clientInfo,
const audio_config_base_t *clientConfig,
std::vector<effect_descriptor_t> clientEffects,
const audio_config_base_t *deviceConfig,
std::vector<effect_descriptor_t> effects,
audio_patch_handle_t patchHandle,
audio_source_t source) {
Parcel data, reply;
data.writeInterfaceToken(IAudioPolicyServiceClient::getInterfaceDescriptor());
data.writeInt32(event);
writeRecordClientInfoToParcel(data, clientInfo);
writeAudioConfigBaseToParcel(data, clientConfig);
writeEffectVectorToParcel(data, clientEffects);
writeAudioConfigBaseToParcel(data, deviceConfig);
writeEffectVectorToParcel(data, effects);
data.writeInt32(patchHandle);
data.writeInt32((int32_t) source);
remote()->transact(RECORDING_CONFIGURATION_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 VOLUME_GROUP_CHANGED: {
CHECK_INTERFACE(IAudioPolicyServiceClient, data, reply);
volume_group_t group = static_cast<volume_group_t>(data.readUint32());
int flags = data.readInt32();
onAudioVolumeGroupChanged(group, flags);
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;
} break;
case RECORDING_CONFIGURATION_UPDATE: {
CHECK_INTERFACE(IAudioPolicyServiceClient, data, reply);
int event = (int) data.readInt32();
record_client_info_t clientInfo;
audio_config_base_t clientConfig;
audio_config_base_t deviceConfig;
readRecordClientInfoFromParcel(data, &clientInfo);
readAudioConfigBaseFromParcel(data, &clientConfig);
std::vector<effect_descriptor_t> clientEffects;
readEffectVectorFromParcel(data, &clientEffects);
readAudioConfigBaseFromParcel(data, &deviceConfig);
std::vector<effect_descriptor_t> effects;
readEffectVectorFromParcel(data, &effects);
audio_patch_handle_t patchHandle = (audio_patch_handle_t) data.readInt32();
audio_source_t source = (audio_source_t) data.readInt32();
onRecordingConfigurationUpdate(event, &clientInfo, &clientConfig, clientEffects,
&deviceConfig, effects, patchHandle, source);
return NO_ERROR;
} break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
// ----------------------------------------------------------------------------
} // namespace android