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/home/trunks/devel/alsa-lib-1.0.7/include/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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