18253f44c3d0d8a7003dd2e6f728f9e3d63927727Steven Moreland/* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef ANDROID_EXTENDED_AUDIO_BUFFER_PROVIDER_H 18#define ANDROID_EXTENDED_AUDIO_BUFFER_PROVIDER_H 19 20#include <media/AudioBufferProvider.h> 21#include <media/AudioTimestamp.h> 22 23namespace android { 24 25class ExtendedAudioBufferProvider : public AudioBufferProvider { 26public: 27 virtual size_t framesReady() const = 0; // see description at AudioFlinger.h 28 29 // Return the total number of frames that have been obtained and released 30 virtual int64_t framesReleased() const { return 0; } 31 32 // Invoked by buffer consumer when a new timestamp is available. 33 // Default implementation ignores the timestamp. 34 virtual void onTimestamp(const ExtendedTimestamp& /*timestamp*/) { } 35}; 36 37} // namespace android 38 39#endif // ANDROID_EXTENDED_AUDIO_BUFFER_PROVIDER_H 40