/usr/include/simgear/sound/sample_queue.hxx is in libsimgear-dev 3.0.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 | // queue.hxx -- Sample Queue encapsulation class
//
// based on sample.hxx
//
// Copyright (C) 2010 Erik Hofman <erik@ehofman.com>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
/**
* \file audio sample.hxx
* Provides a sample queue encapsulation
*/
#ifndef _SG_QUEUE_HXX
#define _SG_QUEUE_HXX 1
#ifndef __cplusplus
# error This library requires C++
#endif
#include <string>
#include <vector>
#include <simgear/compiler.h>
#include <simgear/structure/SGReferenced.hxx>
#include <simgear/structure/SGSharedPtr.hxx>
#include "sample_openal.hxx"
/**
* manages everything we need to know for an individual audio sample
*/
class SGSampleQueue : public SGSoundSample {
public:
/**
* Empty constructor, can be used to read data to the systems
* memory and not to the driver.
* @param freq sample frequentie of the samples
* @param format OpenAL format id of the data
*/
SGSampleQueue(int freq, int format = AL_FORMAT_MONO8);
/**
* Destructor
*/
~SGSampleQueue ();
/**
* Schedule this audio sample to stop playing.
*/
virtual void stop();
/**
* Queue new data for this audio sample
* @param data Pointer to a memory block containg this audio sample data.
* @param len length of the sample buffer in bytes
*/
void add( const void* smp_data, size_t len );
/**
* Set the source id of this source
* @param sid OpenAL source-id
*/
virtual void set_source(unsigned int sid);
/**
* Test if the buffer-id of this audio sample may be passed to OpenAL.
* @return false for sample queue
*/
inline bool is_valid_buffer() const { return false; }
inline virtual bool is_queue() const { return true; }
private:
std::string _refname; // sample name
std::vector<unsigned int> _buffers;
bool _playing;
std::string random_string();
};
#endif // _SG_QUEUE_HXX
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