MonoPipeReader.h revision 2dd4bdd715f586d4d30cf90cc6fc2bbfbce60fe0
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Copyright (C) 2012 The Android Open Source Project 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Licensed under the Apache License, Version 2.0 (the "License"); 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * you may not use this file except in compliance with the License. 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * You may obtain a copy of the License at 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * http://www.apache.org/licenses/LICENSE-2.0 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Unless required by applicable law or agreed to in writing, software 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * distributed under the License is distributed on an "AS IS" BASIS, 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * See the License for the specific language governing permissions and 14eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch * limitations under the License. 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) */ 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 177dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#ifndef ANDROID_AUDIO_MONO_PIPE_READER_H 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define ANDROID_AUDIO_MONO_PIPE_READER_H 192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "MonoPipe.h" 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace android { 232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// MonoPipeReader is safe for only a single reader thread 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class MonoPipeReader : public NBAIO_Source { 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)public: 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Construct a MonoPipeReader and associate it with a MonoPipe; 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // any data already in the pipe is visible to this PipeReader. 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // There can be only a single MonoPipeReader per MonoPipe. 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // FIXME make this constructor a factory method of MonoPipe. 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MonoPipeReader(MonoPipe* pipe); 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~MonoPipeReader(); 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NBAIO_Port interface 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) //virtual ssize_t negotiate(const NBAIO_Format offers[], size_t numOffers, 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NBAIO_Format counterOffers[], size_t& numCounterOffers); 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) //virtual NBAIO_Format format() const; 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NBAIO_Source interface 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) //virtual size_t framesRead() const; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) //virtual size_t framesOverrun(); 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) //virtual size_t overruns(); 472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ssize_t availableToRead(); 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ssize_t read(void *buffer, size_t count, int64_t readPTS); 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NBAIO_Source end 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if 0 // until necessary 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MonoPipe* pipe() const { return mPipe; } 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)private: 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MonoPipe * const mPipe; 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace android 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // ANDROID_AUDIO_MONO_PIPE_READER_H 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)