619346f902
Audio sessions are used to associate audio effects to particular instances (or groups) of MediaPlayers or AudioTracks. Change-Id: Ib94eec43241cfcb416590f435ddce7ab39a07640
71 lines
2.6 KiB
C++
71 lines
2.6 KiB
C++
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_IMEDIAPLAYERSERVICE_H
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#define ANDROID_IMEDIAPLAYERSERVICE_H
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#include <utils/Errors.h> // for status_t
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#include <utils/KeyedVector.h>
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#include <utils/RefBase.h>
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#include <utils/String8.h>
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#include <binder/IInterface.h>
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#include <binder/Parcel.h>
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#include <media/IMediaPlayerClient.h>
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#include <media/IMediaPlayer.h>
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#include <media/IMediaMetadataRetriever.h>
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namespace android {
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class IMediaRecorder;
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class IOMX;
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class IMediaPlayerService: public IInterface
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{
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public:
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DECLARE_META_INTERFACE(MediaPlayerService);
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virtual sp<IMediaRecorder> createMediaRecorder(pid_t pid) = 0;
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virtual sp<IMediaMetadataRetriever> createMetadataRetriever(pid_t pid) = 0;
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virtual sp<IMediaPlayer> create(pid_t pid, const sp<IMediaPlayerClient>& client,
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const char* url, const KeyedVector<String8, String8> *headers = NULL,
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int audioSessionId = 0) = 0;
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virtual sp<IMediaPlayer> create(pid_t pid, const sp<IMediaPlayerClient>& client,
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int fd, int64_t offset, int64_t length, int audioSessionId) = 0;
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virtual sp<IMemory> decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) = 0;
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virtual sp<IMemory> decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) = 0;
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virtual sp<IOMX> getOMX() = 0;
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// Take a peek at currently playing audio, for visualization purposes.
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// This returns a buffer of 16 bit mono PCM data, or NULL if no visualization buffer is currently available.
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virtual sp<IMemory> snoop() = 0;
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};
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// ----------------------------------------------------------------------------
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class BnMediaPlayerService: public BnInterface<IMediaPlayerService>
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{
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public:
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virtual status_t onTransact( uint32_t code,
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const Parcel& data,
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Parcel* reply,
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uint32_t flags = 0);
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};
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}; // namespace android
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#endif // ANDROID_IMEDIAPLAYERSERVICE_H
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