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core.h
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core.h
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/* -*- linux-c -*-
Copyright (C) 2004 Tom Szilagyi
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., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id$
*/
#ifndef AQUALUNG_CORE_H
#define AQUALUNG_CORE_H
#include <sys/types.h>
#ifdef HAVE_ALSA
#define AlSA_PCM_NEW_HW_PARAMS_API
#include <alsa/asoundlib.h>
#endif /* HAVE_ALSA */
/* output drivers */
#ifdef HAVE_OSS
#define OSS_DRIVER 1
#endif /* HAVE_OSS */
#ifdef HAVE_ALSA
#define ALSA_DRIVER 2
#endif /* HAVE_ALSA */
#ifdef HAVE_JACK
#define JACK_DRIVER 3
#endif /* HAVE_JACK */
#ifdef HAVE_WINMM
#define WIN32_DRIVER 4
#endif /* HAVE_WINMM */
#ifdef HAVE_SNDIO
#define SNDIO_DRIVER 5
#include <sndio.h>
#endif /* HAVE_SNDIO */
#ifdef HAVE_PULSE
#define PULSE_DRIVER 6
#include <pulse/simple.h>
#endif /* HAVE_PULSE */
#include "common.h"
#define MAX_SAMPLERATE 96000
/* audio ringbuffer size in stereo frames */
#define RB_AUDIO_SIZE 32768
/* control ringbuffer size in bytes */
#define RB_CONTROL_SIZE 32768
/* SRC settings */
#ifdef HAVE_SRC
#define MAX_RATIO 24
#else
#define MAX_RATIO 2
#endif /* HAVE_SRC */
typedef struct _thread_info {
AQUALUNG_THREAD_DECLARE(disk_thread_id)
#ifdef HAVE_SNDIO
AQUALUNG_THREAD_DECLARE(sndio_thread_id)
struct sio_hdl * sndio_hdl;
short * sndio_short_buf;
#endif /* HAVE_SNDIO */
#ifdef HAVE_OSS
AQUALUNG_THREAD_DECLARE(oss_thread_id)
int fd_oss;
short * oss_short_buf;
#endif /* HAVE_OSS */
#ifdef HAVE_ALSA
AQUALUNG_THREAD_DECLARE(alsa_thread_id)
char * pcm_name;
snd_pcm_t * pcm_handle;
snd_pcm_hw_params_t * hwparams;
snd_pcm_uframes_t n_frames;
int is_output_32bit;
short * alsa_short_buf;
int * alsa_int_buf;
#endif /* HAVE_ALSA */
#ifdef HAVE_WINMM
AQUALUNG_THREAD_DECLARE(win32_thread_id)
#endif /* HAVE_WINMM */
#ifdef HAVE_PULSE
AQUALUNG_THREAD_DECLARE(pulse_thread_id)
pa_simple *pa;
pa_sample_spec pa_spec;
short * pa_short_buf;
#endif /* HAVE_PULSE */
u_int32_t rb_size;
unsigned long in_SR;
unsigned long in_SR_prev;
unsigned long out_SR;
volatile int is_streaming;
volatile int is_mono;
} thread_info_t;
/* command numbers from gui to disk */
#define CMD_CUE 1
#define CMD_PAUSE 2
#define CMD_RESUME 3
#define CMD_FINISH 4
#define CMD_SEEKTO 5
#define CMD_STOPWOFL 6
/* command numbers from disk to gui */
#define CMD_FILEREQ 7
#define CMD_FILEINFO 8
#define CMD_STATUS 9
#define CMD_METABLOCK 10
/* command numbers from disk to output */
#define CMD_FLUSH 11
typedef struct _cue_t {
char * filename;
float voladj;
} cue_t;
typedef struct _status_t {
long long sample_pos;
long long samples_left;
long long sample_offset;
unsigned long sample_rate;
} status_t;
typedef struct _seek_t {
long long seek_to_pos;
} seek_t;
void jack_client_start(void);
#endif /* AQUALUNG_CORE_H */
// vim: shiftwidth=8:tabstop=8:softtabstop=8 :