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Added abstraction layer to controls. Added client/server support to controls. Cleaned private_data use for PCMs. Cleaned aserver

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This commit is contained in:
Abramo Bagnara 2000-09-11 15:49:10 +00:00
parent 1acf1f3fb9
commit df35e8457a
18 changed files with 1623 additions and 778 deletions
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31
include/aserver.h
View file

@ -54,6 +54,30 @@ typedef struct {
#define PCM_SHM_SIZE 65536
#define PCM_SHM_DATA_MAXLEN (PCM_SHM_SIZE - offsetof(snd_pcm_client_shm_t, data))
#define SND_CTL_IOCTL_READ _IOR('U', 0xf0, snd_ctl_event_t)
#define SND_CTL_IOCTL_CLOSE _IO ('U', 0xf1)
typedef struct {
int result;
int cmd;
union {
snd_ctl_hw_info_t hw_info;
snd_control_list_t clist;
snd_control_info_t cinfo;
snd_control_t cread;
snd_control_t cwrite;
snd_hwdep_info_t hwdep_info;
snd_pcm_info_t pcm_info;
int pcm_prefer_subdevice;
snd_rawmidi_info_t rawmidi_info;
snd_ctl_event_t read;
} u;
char data[0];
} snd_ctl_client_shm_t;
#define CTL_SHM_SIZE 65536
#define CTL_SHM_DATA_MAXLEN (CTL_SHM_SIZE - offsetof(snd_ctl_client_shm_t, data))
typedef struct {
unsigned char dev_type;
unsigned char transport_type;
@ -68,10 +92,3 @@ typedef struct {
int cookie;
} snd_client_open_answer_t;
struct cmsg_fd
{
int len; /* sizeof structure */
int level; /* SOL_SOCKET */
int type; /* SCM_RIGHTS */
int fd; /* fd to pass */
};

7
include/control.h
View file

@ -7,6 +7,8 @@
typedef struct snd_ctl snd_ctl_t;
typedef enum { SND_CTL_TYPE_HW, SND_CTL_TYPE_CLIENT } snd_ctl_type_t;
typedef struct snd_ctl_callbacks {
void *private_data; /* may be used by an application */
void (*rebuild) (snd_ctl_t *handle, void *private_data);
@ -35,7 +37,10 @@ int snd_defaults_pcm_device(void);
int snd_defaults_rawmidi_card(void);
int snd_defaults_rawmidi_device(void);
int snd_ctl_open(snd_ctl_t **handle, int card);
int snd_ctl_hw_open(snd_ctl_t **handle, int card);
int snd_ctl_client_open(snd_ctl_t **handlep, char *host, int port, int transport, char *name);
snd_ctl_type_t snd_ctl_type(snd_ctl_t *handle);
int snd_ctl_open(snd_ctl_t **handle, char *name);
int snd_ctl_close(snd_ctl_t *handle);
int snd_ctl_file_descriptor(snd_ctl_t *handle);
int snd_ctl_hw_info(snd_ctl_t *handle, snd_ctl_hw_info_t *info);

2
include/mixer.h
View file

@ -11,7 +11,7 @@ typedef struct snd_mixer snd_mixer_t;
extern "C" {
#endif
int snd_mixer_open(snd_mixer_t **handle, int card);
int snd_mixer_open(snd_mixer_t **handle, char *name);
int snd_mixer_close(snd_mixer_t *handle);
int snd_mixer_file_descriptor(snd_mixer_t *handle);