diff options
author | The Android Open Source Project <initial-contribution@android.com> | 2009-02-10 15:44:00 -0800 |
---|---|---|
committer | The Android Open Source Project <initial-contribution@android.com> | 2009-02-10 15:44:00 -0800 |
commit | d24b8183b93e781080b2c16c487e60d51c12da31 (patch) | |
tree | fbb89154858984eb8e41556da7e9433040d55cd4 /media/libmedia/IAudioFlingerClient.cpp | |
parent | f1e484acb594a726fb57ad0ae4cfe902c7f35858 (diff) | |
download | frameworks_base-d24b8183b93e781080b2c16c487e60d51c12da31.zip frameworks_base-d24b8183b93e781080b2c16c487e60d51c12da31.tar.gz frameworks_base-d24b8183b93e781080b2c16c487e60d51c12da31.tar.bz2 |
auto import from //branches/cupcake/...@130745
Diffstat (limited to 'media/libmedia/IAudioFlingerClient.cpp')
-rw-r--r-- | media/libmedia/IAudioFlingerClient.cpp | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/media/libmedia/IAudioFlingerClient.cpp b/media/libmedia/IAudioFlingerClient.cpp new file mode 100644 index 0000000..d956266 --- /dev/null +++ b/media/libmedia/IAudioFlingerClient.cpp @@ -0,0 +1,81 @@ +/* + * 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 <utils/Parcel.h> + +#include <media/IAudioFlingerClient.h> + +namespace android { + +enum { + AUDIO_OUTPUT_CHANGED = IBinder::FIRST_CALL_TRANSACTION +}; + +class BpAudioFlingerClient : public BpInterface<IAudioFlingerClient> +{ +public: + BpAudioFlingerClient(const sp<IBinder>& impl) + : BpInterface<IAudioFlingerClient>(impl) + { + } + + void audioOutputChanged(uint32_t frameCount, uint32_t samplingRate, uint32_t latency) + { + Parcel data, reply; + data.writeInterfaceToken(IAudioFlingerClient::getInterfaceDescriptor()); + data.writeInt32(frameCount); + data.writeInt32(samplingRate); + data.writeInt32(latency); + remote()->transact(AUDIO_OUTPUT_CHANGED, data, &reply); + } +}; + +IMPLEMENT_META_INTERFACE(AudioFlingerClient, "android.media.IAudioFlingerClient"); + +// ---------------------------------------------------------------------- + +#define CHECK_INTERFACE(interface, data, reply) \ + do { if (!data.enforceInterface(interface::getInterfaceDescriptor())) { \ + LOGW("Call incorrectly routed to " #interface); \ + return PERMISSION_DENIED; \ + } } while (0) + +status_t BnAudioFlingerClient::onTransact( + uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) +{ + switch(code) { + case AUDIO_OUTPUT_CHANGED: { + CHECK_INTERFACE(IAudioFlingerClient, data, reply); + uint32_t frameCount = data.readInt32(); + uint32_t samplingRate = data.readInt32(); + uint32_t latency = data.readInt32(); + audioOutputChanged(frameCount, samplingRate, latency); + return NO_ERROR; + } break; + default: + return BBinder::onTransact(code, data, reply, flags); + } +} + +// ---------------------------------------------------------------------------- + +}; // namespace android |