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/*
* Copyright (C) 2012 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_AUDIO_MONO_PIPE_READER_H
#define ANDROID_AUDIO_MONO_PIPE_READER_H
#include "MonoPipe.h"
namespace android {
// MonoPipeReader is safe for only a single reader thread
class MonoPipeReader : public NBAIO_Source {
public:
// Construct a MonoPipeReader and associate it with a MonoPipe;
// any data already in the pipe is visible to this MonoPipeReader.
// There can be only a single MonoPipeReader per MonoPipe.
// FIXME make this constructor a factory method of MonoPipe.
MonoPipeReader(MonoPipe* pipe);
virtual ~MonoPipeReader();
// NBAIO_Port interface
//virtual ssize_t negotiate(const NBAIO_Format offers[], size_t numOffers,
// NBAIO_Format counterOffers[], size_t& numCounterOffers);
//virtual NBAIO_Format format() const;
// NBAIO_Source interface
//virtual size_t framesRead() const;
//virtual size_t framesOverrun();
//virtual size_t overruns();
virtual ssize_t availableToRead();
virtual ssize_t read(void *buffer, size_t count);
virtual void onTimestamp(const ExtendedTimestamp &timestamp);
// NBAIO_Source end
#if 0 // until necessary
MonoPipe* pipe() const { return mPipe; }
#endif
private:
MonoPipe * const mPipe;
audio_utils_fifo_reader mFifoReader;
};
} // namespace android
#endif // ANDROID_AUDIO_MONO_PIPE_READER_H