diff options
author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:31:44 -0800 |
---|---|---|
committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:31:44 -0800 |
commit | 89fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5 (patch) | |
tree | 28d26f7b71e943e25c7da6e8043d79b7b8d9cf7b /include/media/IAudioTrack.h | |
parent | 15f767b960b38059a74a42a33e16d8df2aec8bc1 (diff) | |
download | frameworks_av-89fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5.zip frameworks_av-89fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5.tar.gz frameworks_av-89fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5.tar.bz2 |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'include/media/IAudioTrack.h')
-rw-r--r-- | include/media/IAudioTrack.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/include/media/IAudioTrack.h b/include/media/IAudioTrack.h new file mode 100644 index 0000000..12f2111 --- /dev/null +++ b/include/media/IAudioTrack.h @@ -0,0 +1,84 @@ +/* + * Copyright (C) 2007 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. + */ + +#ifndef ANDROID_IAUDIOTRACK_H +#define ANDROID_IAUDIOTRACK_H + +#include <stdint.h> +#include <sys/types.h> + +#include <utils/RefBase.h> +#include <utils/Errors.h> +#include <utils/IInterface.h> +#include <utils/IMemory.h> + + +namespace android { + +// ---------------------------------------------------------------------------- + +class IAudioTrack : public IInterface +{ +public: + DECLARE_META_INTERFACE(AudioTrack); + + /* After it's created the track is not active. Call start() to + * make it active. If set, the callback will start being called. + */ + virtual status_t start() = 0; + + /* Stop a track. If set, the callback will cease being called and + * obtainBuffer will return an error. Buffers that are already released + * will be processed, unless flush() is called. + */ + virtual void stop() = 0; + + /* flush a stopped track. All pending buffers are discarded. + * This function has no effect if the track is not stoped. + */ + virtual void flush() = 0; + + /* mute or unmutes this track. + * While mutted, the callback, if set, is still called. + */ + virtual void mute(bool) = 0; + + /* Pause a track. If set, the callback will cease being called and + * obtainBuffer will return an error. Buffers that are already released + * will be processed, unless flush() is called. + */ + virtual void pause() = 0; + + /* get this tracks control block */ + virtual sp<IMemory> getCblk() const = 0; +}; + +// ---------------------------------------------------------------------------- + +class BnAudioTrack : public BnInterface<IAudioTrack> +{ +public: + virtual status_t onTransact( uint32_t code, + const Parcel& data, + Parcel* reply, + uint32_t flags = 0); +}; + +// ---------------------------------------------------------------------------- + +}; // namespace android + +#endif // ANDROID_IAUDIOTRACK_H |