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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_EMUX_WAVETABLE, 
00067         SND_HWDEP_IFACE_BLUETOOTH,      
00069         SND_HWDEP_IFACE_LAST = SND_HWDEP_IFACE_BLUETOOTH  
00070 } snd_hwdep_iface_t;
00071 
00073 #define SND_HWDEP_OPEN_READ             (O_RDONLY)
00074 
00075 #define SND_HWDEP_OPEN_WRITE            (O_WRONLY)
00076 
00077 #define SND_HWDEP_OPEN_DUPLEX           (O_RDWR)
00078 
00079 #define SND_HWDEP_OPEN_NONBLOCK         (O_NONBLOCK)
00080 
00082 typedef enum _snd_hwdep_type {
00084         SND_HWDEP_TYPE_HW,
00086         SND_HWDEP_TYPE_SHM,
00088         SND_HWDEP_TYPE_INET
00089 } snd_hwdep_type_t;
00090 
00092 typedef struct _snd_hwdep snd_hwdep_t;
00093 
00094 int snd_hwdep_open(snd_hwdep_t **hwdep, const char *name, int mode);
00095 int snd_hwdep_close(snd_hwdep_t *hwdep);
00096 int snd_hwdep_poll_descriptors(snd_hwdep_t *hwdep, struct pollfd *pfds, unsigned int space);
00097 int snd_hwdep_poll_descriptors_revents(snd_hwdep_t *hwdep, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
00098 int snd_hwdep_nonblock(snd_hwdep_t *hwdep, int nonblock);
00099 int snd_hwdep_info(snd_hwdep_t *hwdep, snd_hwdep_info_t * info);
00100 int snd_hwdep_dsp_status(snd_hwdep_t *hwdep, snd_hwdep_dsp_status_t *status);
00101 int snd_hwdep_dsp_load(snd_hwdep_t *hwdep, snd_hwdep_dsp_image_t *block);
00102 int snd_hwdep_ioctl(snd_hwdep_t *hwdep, unsigned int request, void * arg);
00103 ssize_t snd_hwdep_write(snd_hwdep_t *hwdep, const void *buffer, size_t size);
00104 ssize_t snd_hwdep_read(snd_hwdep_t *hwdep, void *buffer, size_t size);
00105 
00106 size_t snd_hwdep_info_sizeof(void);
00108 #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)
00109 int snd_hwdep_info_malloc(snd_hwdep_info_t **ptr);
00110 void snd_hwdep_info_free(snd_hwdep_info_t *obj);
00111 void snd_hwdep_info_copy(snd_hwdep_info_t *dst, const snd_hwdep_info_t *src);
00112 
00113 unsigned int snd_hwdep_info_get_device(const snd_hwdep_info_t *obj);
00114 int snd_hwdep_info_get_card(const snd_hwdep_info_t *obj);
00115 const char *snd_hwdep_info_get_id(const snd_hwdep_info_t *obj);
00116 const char *snd_hwdep_info_get_name(const snd_hwdep_info_t *obj);
00117 snd_hwdep_iface_t snd_hwdep_info_get_iface(const snd_hwdep_info_t *obj);
00118 void snd_hwdep_info_set_device(snd_hwdep_info_t *obj, unsigned int val);
00119 
00120 size_t snd_hwdep_dsp_status_sizeof(void);
00122 #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)
00123 int snd_hwdep_dsp_status_malloc(snd_hwdep_dsp_status_t **ptr);
00124 void snd_hwdep_dsp_status_free(snd_hwdep_dsp_status_t *obj);
00125 void snd_hwdep_dsp_status_copy(snd_hwdep_dsp_status_t *dst, const snd_hwdep_dsp_status_t *src);
00126 
00127 unsigned int snd_hwdep_dsp_status_get_version(const snd_hwdep_dsp_status_t *obj);
00128 const char *snd_hwdep_dsp_status_get_id(const snd_hwdep_dsp_status_t *obj);
00129 unsigned int snd_hwdep_dsp_status_get_num_dsps(const snd_hwdep_dsp_status_t *obj);
00130 unsigned int snd_hwdep_dsp_status_get_dsp_loaded(const snd_hwdep_dsp_status_t *obj);
00131 unsigned int snd_hwdep_dsp_status_get_chip_ready(const snd_hwdep_dsp_status_t *obj);
00132 
00133 size_t snd_hwdep_dsp_image_sizeof(void);
00135 #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)
00136 int snd_hwdep_dsp_image_malloc(snd_hwdep_dsp_image_t **ptr);
00137 void snd_hwdep_dsp_image_free(snd_hwdep_dsp_image_t *obj);
00138 void snd_hwdep_dsp_image_copy(snd_hwdep_dsp_image_t *dst, const snd_hwdep_dsp_image_t *src);
00139 
00140 unsigned int snd_hwdep_dsp_image_get_index(const snd_hwdep_dsp_image_t *obj);
00141 const char *snd_hwdep_dsp_image_get_name(const snd_hwdep_dsp_image_t *obj);
00142 const void *snd_hwdep_dsp_image_get_image(const snd_hwdep_dsp_image_t *obj);
00143 size_t snd_hwdep_dsp_image_get_length(const snd_hwdep_dsp_image_t *obj);
00144 
00145 void snd_hwdep_dsp_image_set_index(snd_hwdep_dsp_image_t *obj, unsigned int _index);
00146 void snd_hwdep_dsp_image_set_name(snd_hwdep_dsp_image_t *obj, const char *name);
00147 void snd_hwdep_dsp_image_set_image(snd_hwdep_dsp_image_t *obj, void *buffer);
00148 void snd_hwdep_dsp_image_set_length(snd_hwdep_dsp_image_t *obj, size_t length);
00149 
00152 #ifdef __cplusplus
00153 }
00154 #endif
00155 
00156 #endif /* __ALSA_HWDEP_H */
00157 

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