/usr/include/alsaplayer/AlsaNode.h is in libalsaplayer-dev 0.99.81-1ubuntu3.
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 | /* AlsaNode.h
* Copyright (C) 1998-2002 Andy Lo A Foe <andy@alsaplayer.org>
*
* This file is part of AlsaPlayer
*
* AlsaPlayer 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 3 of the License, or
* (at your option) any later version.
*
* AlsaPlayer 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, see <http://www.gnu.org/licenses/>.
*
*
* $Id: AlsaNode.h 1319 2007-11-04 07:27:40Z peter_lemenkov $
*
*/
#ifndef __AlsaNode_h__
#define __AlsaNode_h__
#ifdef __linux__
#define USE_REALTIME
#endif
#define OUTPUT_RATE 44100
#include <stdio.h>
#include <string.h>
#include <pthread.h>
#include "output_plugin.h"
#define MAX_OUTPUT_PLUGINS 32
#define MAX_SUB 32
#define POS_BEGIN 0x0
#define POS_MIDDLE 0x1
#define POS_END 0x2
typedef bool(*streamer_type)(void *arg, void *buf, int size);
typedef struct _subscriber
{
int ID;
streamer_type streamer;
bool active;
void *arg;
} subscriber;
class AlsaNode
{
private:
output_plugin plugins[MAX_OUTPUT_PLUGINS];
output_plugin *plugin;
int plugin_count;
subscriber subs[MAX_SUB];
pthread_mutex_t queue_mutex;
pthread_mutex_t thread_mutex;
void *handle;
int count;
int follow_id;
int fragment_size;
int nr_fragments;
int sample_freq;
int external_latency;
char *driver_name;
char *driver_args;
char client_name[32];
bool realtime_sched;
bool thread_running;
bool init;
bool looping;
static void looper(void *);
pthread_t looper_thread;
public:
AlsaNode(const char *name, const char *args, int realtime=0);
~AlsaNode();
int SetSamplingRate(int freq);
int SamplingRate() { return sample_freq; }
int SetStreamBuffers(int frag_size, int count, int channels);
int RegisterPlugin(output_plugin *the_plugin);
int RegisterPlugin(const char *plugin = NULL);
int GetLatency();
int GetFragmentSize() { return fragment_size; }
void StartStreaming();
void StopStreaming();
bool IsInStream(int);
int AddStreamer(streamer_type str, void *arg, int);
bool RemoveStreamer(int);
bool ReadyToRun();
};
#endif
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