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/*
* ALSA client/server header file
* Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library 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 Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include "../src/pcm/pcm_local.h"
#include "../src/control/control_local.h"
typedef enum _snd_dev_type {
SND_DEV_TYPE_PCM,
SND_DEV_TYPE_CONTROL,
SND_DEV_TYPE_RAWMIDI,
SND_DEV_TYPE_TIMER,
SND_DEV_TYPE_HWDEP,
SND_DEV_TYPE_SEQ,
} snd_dev_type_t;
typedef enum _snd_transport_type {
SND_TRANSPORT_TYPE_SHM,
SND_TRANSPORT_TYPE_TCP,
} snd_transport_type_t;
#define SND_PCM_IOCTL_STATE _IO ('A', 0xf1)
#define SND_PCM_IOCTL_MMAP _IO ('A', 0xf2)
#define SND_PCM_IOCTL_MUNMAP _IO ('A', 0xf3)
#define SND_PCM_IOCTL_MMAP_FORWARD _IO ('A', 0xf4)
#define SND_PCM_IOCTL_AVAIL_UPDATE _IO ('A', 0xf5)
#define SND_PCM_IOCTL_ASYNC _IO ('A', 0xf6)
#define SND_PCM_IOCTL_CLOSE _IO ('A', 0xf7)
#define SND_PCM_IOCTL_POLL_DESCRIPTOR _IO ('A', 0xf8)
typedef struct {
long result;
int cmd;
snd_pcm_uframes_t hw_ptr;
snd_pcm_uframes_t appl_ptr;
union {
struct {
int sig;
pid_t pid;
} async;
snd_pcm_info_t info;
snd_pcm_hw_params_t hw_refine;
snd_pcm_hw_params_t hw_params;
snd_pcm_sw_params_t sw_params;
snd_pcm_status_t status;
struct {
snd_pcm_sframes_t frames;
} delay;
struct {
int enable;
} pause;
snd_pcm_channel_info_t channel_info;
struct {
snd_pcm_uframes_t frames;
} rewind;
struct {
int fd;
} link;
struct {
snd_pcm_uframes_t frames;
} mmap_forward;
} u;
char data[0];
} snd_pcm_shm_ctrl_t;
#define PCM_SHM_SIZE sizeof(snd_pcm_shm_ctrl_t)
#define SND_CTL_IOCTL_READ _IOR('U', 0xf1, snd_ctl_event_t)
#define SND_CTL_IOCTL_CLOSE _IO ('U', 0xf2)
#define SND_CTL_IOCTL_POLL_DESCRIPTOR _IO ('U', 0xf3)
#define SND_CTL_IOCTL_ASYNC _IO ('U', 0xf4)
typedef struct {
int result;
int cmd;
union {
struct {
int sig;
pid_t pid;
} async;
int device;
snd_ctl_card_info_t hw_info;
snd_ctl_elem_list_t element_list;
snd_ctl_elem_info_t element_info;
snd_ctl_elem_value_t element_read;
snd_ctl_elem_value_t element_write;
snd_hwdep_info_t hwdep_info;
snd_pcm_info_t pcm_info;
int pcm_prefer_subdevice;
snd_rawmidi_info_t rawmidi_info;
int rawmidi_prefer_subdevice;
snd_ctl_event_t read;
} u;
char data[0];
} snd_ctl_shm_ctrl_t;
#define CTL_SHM_SIZE 65536
#define CTL_SHM_DATA_MAXLEN (CTL_SHM_SIZE - offsetof(snd_ctl_shm_ctrl_t, data))
typedef struct {
unsigned char dev_type;
unsigned char transport_type;
unsigned char stream;
unsigned char mode;
unsigned char namelen;
char name[0];
} snd_client_open_request_t;
typedef struct {
long result;
int cookie;
} snd_client_open_answer_t;
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