| /* |
| * 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 |