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hwdep.h

00001 
00028 #ifndef __ALSA_HWDEP_H
00029 #define __ALSA_HWDEP_H
00030 
00031 #ifdef __cplusplus
00032 extern "C" {
00033 #endif
00034 
00042 #define SND_HWDEP_DLSYM_VERSION         _dlsym_hwdep_001
00043 
00045 typedef struct _snd_hwdep_info snd_hwdep_info_t;
00046 
00048 typedef struct _snd_hwdep_dsp_status snd_hwdep_dsp_status_t;
00049 
00051 typedef struct _snd_hwdep_dsp_image snd_hwdep_dsp_image_t;
00052 
00054 typedef enum _snd_hwdep_iface {
00055         SND_HWDEP_IFACE_OPL2 = 0,       
00056         SND_HWDEP_IFACE_OPL3,           
00057         SND_HWDEP_IFACE_OPL4,           
00058         SND_HWDEP_IFACE_SB16CSP,        
00059         SND_HWDEP_IFACE_EMU10K1,        
00060         SND_HWDEP_IFACE_YSS225,         
00061         SND_HWDEP_IFACE_ICS2115,        
00062         SND_HWDEP_IFACE_SSCAPE,         
00063         SND_HWDEP_IFACE_VX,             
00064         SND_HWDEP_IFACE_MIXART,         
00065         SND_HWDEP_IFACE_USX2Y,          
00066         SND_HWDEP_IFACE_LAST = SND_HWDEP_IFACE_USX2Y  
00067 } snd_hwdep_iface_t;
00068 
00070 #define SND_HWDEP_OPEN_READ             (O_RDONLY)
00071 
00072 #define SND_HWDEP_OPEN_WRITE            (O_WRONLY)
00073 
00074 #define SND_HWDEP_OPEN_DUPLEX           (O_RDWR)
00075 
00076 #define SND_HWDEP_OPEN_NONBLOCK         (O_NONBLOCK)
00077 
00079 typedef enum _snd_hwdep_type {
00081         SND_HWDEP_TYPE_HW,
00083         SND_HWDEP_TYPE_SHM,
00085         SND_HWDEP_TYPE_INET
00086 } snd_hwdep_type_t;
00087 
00089 typedef struct _snd_hwdep snd_hwdep_t;
00090 
00091 int snd_hwdep_open(snd_hwdep_t **hwdep, const char *name, int mode);
00092 int snd_hwdep_close(snd_hwdep_t *hwdep);
00093 int snd_hwdep_poll_descriptors(snd_hwdep_t *hwdep, struct pollfd *pfds, unsigned int space);
00094 int snd_hwdep_poll_descriptors_revents(snd_hwdep_t *hwdep, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
00095 int snd_hwdep_nonblock(snd_hwdep_t *hwdep, int nonblock);
00096 int snd_hwdep_info(snd_hwdep_t *hwdep, snd_hwdep_info_t * info);
00097 int snd_hwdep_dsp_status(snd_hwdep_t *hwdep, snd_hwdep_dsp_status_t *status);
00098 int snd_hwdep_dsp_load(snd_hwdep_t *hwdep, snd_hwdep_dsp_image_t *block);
00099 int snd_hwdep_ioctl(snd_hwdep_t *hwdep, unsigned int request, void * arg);
00100 ssize_t snd_hwdep_write(snd_hwdep_t *hwdep, const void *buffer, size_t size);
00101 ssize_t snd_hwdep_read(snd_hwdep_t *hwdep, void *buffer, size_t size);
00102 
00103 size_t snd_hwdep_info_sizeof(void);
00105 #define snd_hwdep_info_alloca(ptr) do { assert(ptr); *ptr = (snd_hwdep_info_t *) alloca(snd_hwdep_info_sizeof()); memset(*ptr, 0, snd_hwdep_info_sizeof()); } while (0)
00106 int snd_hwdep_info_malloc(snd_hwdep_info_t **ptr);
00107 void snd_hwdep_info_free(snd_hwdep_info_t *obj);
00108 void snd_hwdep_info_copy(snd_hwdep_info_t *dst, const snd_hwdep_info_t *src);
00109 
00110 unsigned int snd_hwdep_info_get_device(const snd_hwdep_info_t *obj);
00111 int snd_hwdep_info_get_card(const snd_hwdep_info_t *obj);
00112 const char *snd_hwdep_info_get_id(const snd_hwdep_info_t *obj);
00113 const char *snd_hwdep_info_get_name(const snd_hwdep_info_t *obj);
00114 snd_hwdep_iface_t snd_hwdep_info_get_iface(const snd_hwdep_info_t *obj);
00115 void snd_hwdep_info_set_device(snd_hwdep_info_t *obj, unsigned int val);
00116 
00117 size_t snd_hwdep_dsp_status_sizeof(void);
00119 #define snd_hwdep_dsp_status_alloca(ptr) do { assert(ptr); *ptr = (snd_hwdep_dsp_status_t *) alloca(snd_hwdep_dsp_status_sizeof()); memset(*ptr, 0, snd_hwdep_dsp_status_sizeof()); } while (0)
00120 int snd_hwdep_dsp_status_malloc(snd_hwdep_dsp_status_t **ptr);
00121 void snd_hwdep_dsp_status_free(snd_hwdep_dsp_status_t *obj);
00122 void snd_hwdep_dsp_status_copy(snd_hwdep_dsp_status_t *dst, const snd_hwdep_dsp_status_t *src);
00123 
00124 unsigned int snd_hwdep_dsp_status_get_version(const snd_hwdep_dsp_status_t *obj);
00125 const char *snd_hwdep_dsp_status_get_id(const snd_hwdep_dsp_status_t *obj);
00126 unsigned int snd_hwdep_dsp_status_get_num_dsps(const snd_hwdep_dsp_status_t *obj);
00127 unsigned int snd_hwdep_dsp_status_get_dsp_loaded(const snd_hwdep_dsp_status_t *obj);
00128 unsigned int snd_hwdep_dsp_status_get_chip_ready(const snd_hwdep_dsp_status_t *obj);
00129 
00130 size_t snd_hwdep_dsp_image_sizeof(void);
00132 #define snd_hwdep_dsp_image_alloca(ptr) do { assert(ptr); *ptr = (snd_hwdep_dsp_image_t *) alloca(snd_hwdep_dsp_image_sizeof()); memset(*ptr, 0, snd_hwdep_dsp_image_sizeof()); } while (0)
00133 int snd_hwdep_dsp_image_malloc(snd_hwdep_dsp_image_t **ptr);
00134 void snd_hwdep_dsp_image_free(snd_hwdep_dsp_image_t *obj);
00135 void snd_hwdep_dsp_image_copy(snd_hwdep_dsp_image_t *dst, const snd_hwdep_dsp_image_t *src);
00136 
00137 unsigned int snd_hwdep_dsp_image_get_index(const snd_hwdep_dsp_image_t *obj);
00138 const char *snd_hwdep_dsp_image_get_name(const snd_hwdep_dsp_image_t *obj);
00139 const void *snd_hwdep_dsp_image_get_image(const snd_hwdep_dsp_image_t *obj);
00140 size_t snd_hwdep_dsp_image_get_length(const snd_hwdep_dsp_image_t *obj);
00141 
00142 void snd_hwdep_dsp_image_set_index(snd_hwdep_dsp_image_t *obj, unsigned int index);
00143 void snd_hwdep_dsp_image_set_name(snd_hwdep_dsp_image_t *obj, const char *name);
00144 void snd_hwdep_dsp_image_set_image(snd_hwdep_dsp_image_t *obj, void *buffer);
00145 void snd_hwdep_dsp_image_set_length(snd_hwdep_dsp_image_t *obj, size_t length);
00146 
00149 #ifdef __cplusplus
00150 }
00151 #endif
00152 
00153 #endif /* __ALSA_HWDEP_H */
00154 

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