diff options
Diffstat (limited to 'media/libmedia/IAudioPolicyService.cpp')
| -rw-r--r-- | media/libmedia/IAudioPolicyService.cpp | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/media/libmedia/IAudioPolicyService.cpp b/media/libmedia/IAudioPolicyService.cpp index 76b5924..abae614 100644 --- a/media/libmedia/IAudioPolicyService.cpp +++ b/media/libmedia/IAudioPolicyService.cpp @@ -74,6 +74,7 @@ enum { START_AUDIO_SOURCE, STOP_AUDIO_SOURCE, SET_AUDIO_PORT_CALLBACK_ENABLED, + LIST_AUDIO_SESSIONS, }; #define MAX_ITEMS_PER_LIST 1024 @@ -767,6 +768,30 @@ public: status = (status_t)reply.readInt32(); return status; } + + virtual status_t listAudioSessions(audio_stream_type_t streams, + Vector< sp<AudioSessionInfo>> &sessions) + { + Parcel data, reply; + data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor()); + data.writeInt32(streams); + status_t status = remote()->transact(LIST_AUDIO_SESSIONS, data, &reply); + if (status != NO_ERROR) { + return status; + } + + status = reply.readInt32(); + if (status == NO_ERROR) { + size_t size = (size_t)reply.readUint32(); + for (size_t i = 0; i < size && reply.dataAvail() > 0; i++) { + sp<AudioSessionInfo> info = new AudioSessionInfo(); + info->readFromParcel(reply); + sessions.push_back(info); + } + } + return status; + } + }; IMPLEMENT_META_INTERFACE(AudioPolicyService, "android.media.IAudioPolicyService"); @@ -1238,6 +1263,23 @@ status_t BnAudioPolicyService::onTransact( return NO_ERROR; } break; + case LIST_AUDIO_SESSIONS: { + CHECK_INTERFACE(IAudioPolicyService, data, reply); + audio_stream_type_t streams = (audio_stream_type_t)data.readInt32(); + + Vector< sp<AudioSessionInfo>> sessions; + status_t status = listAudioSessions(streams, sessions); + + reply->writeInt32(status); + if (status == NO_ERROR) { + reply->writeUint32(static_cast<uint32_t>(sessions.size())); + for (size_t i = 0; i < sessions.size(); i++) { + sessions[i]->writeToParcel(reply); + } + } + return NO_ERROR; + } + case ACQUIRE_SOUNDTRIGGER_SESSION: { CHECK_INTERFACE(IAudioPolicyService, data, reply); sp<IAudioPolicyServiceClient> client = interface_cast<IAudioPolicyServiceClient>( |