1e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman/* 2e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * Copyright (C) 2012 The Android Open Source Project 3e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * 4e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * Licensed under the Apache License, Version 2.0 (the "License"); 5e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * you may not use this file except in compliance with the License. 6e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * You may obtain a copy of the License at 7e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * 8e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * http://www.apache.org/licenses/LICENSE-2.0 9e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * 10e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * Unless required by applicable law or agreed to in writing, software 11e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * distributed under the License is distributed on an "AS IS" BASIS, 12e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * See the License for the specific language governing permissions and 14e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman * limitations under the License. 15e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman */ 16e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 17e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#ifndef ANDROID_EXTENDED_AUDIO_BUFFER_PROVIDER_H 18e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#define ANDROID_EXTENDED_AUDIO_BUFFER_PROVIDER_H 19e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 20e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#include <media/AudioBufferProvider.h> 21e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#include <media/AudioTimestamp.h> 22e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 23e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatramannamespace android { 24e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 25e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatramanclass ExtendedAudioBufferProvider : public AudioBufferProvider { 26e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatramanpublic: 27e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual size_t framesReady() const = 0; // see description at AudioFlinger.h 28e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 29e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman // Return the total number of frames that have been obtained and released 30e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual int64_t framesReleased() const { return 0; } 31e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 32e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman // Invoked by buffer consumer when a new timestamp is available. 33e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman // Default implementation ignores the timestamp. 34e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman virtual void onTimestamp(const ExtendedTimestamp& /*timestamp*/) { } 35e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman}; 36e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 37e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman} // namespace android 38e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman 39e2b43843fd12783188edd2c54188ea8d26864788Vijay Venkatraman#endif // ANDROID_EXTENDED_AUDIO_BUFFER_PROVIDER_H 40