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ALSA project - the C library reference
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Application interface library for the ALSA driver. More...
Go to the source code of this file.
Macros | |
| #define | SND_HWDEP_DLSYM_VERSION _dlsym_hwdep_001 |
| #define | SND_HWDEP_OPEN_READ (O_RDONLY) |
| #define | SND_HWDEP_OPEN_WRITE (O_WRONLY) |
| #define | SND_HWDEP_OPEN_DUPLEX (O_RDWR) |
| #define | SND_HWDEP_OPEN_NONBLOCK (O_NONBLOCK) |
| #define | snd_hwdep_info_alloca(ptr) __snd_alloca(ptr, snd_hwdep_info) |
| #define | snd_hwdep_dsp_status_alloca(ptr) __snd_alloca(ptr, snd_hwdep_dsp_status) |
| #define | snd_hwdep_dsp_image_alloca(ptr) __snd_alloca(ptr, snd_hwdep_dsp_image) |
Typedefs | |
| typedef struct _snd_hwdep_info | snd_hwdep_info_t |
| typedef struct _snd_hwdep_dsp_status | snd_hwdep_dsp_status_t |
| typedef struct _snd_hwdep_dsp_image | snd_hwdep_dsp_image_t |
| typedef struct _snd_hwdep | snd_hwdep_t |
Enumerations | |
| enum | snd_hwdep_iface_t { SND_HWDEP_IFACE_OPL2 = 0 , SND_HWDEP_IFACE_OPL3 , SND_HWDEP_IFACE_OPL4 , SND_HWDEP_IFACE_SB16CSP , SND_HWDEP_IFACE_EMU10K1 , SND_HWDEP_IFACE_YSS225 , SND_HWDEP_IFACE_ICS2115 , SND_HWDEP_IFACE_SSCAPE , SND_HWDEP_IFACE_VX , SND_HWDEP_IFACE_MIXART , SND_HWDEP_IFACE_USX2Y , SND_HWDEP_IFACE_EMUX_WAVETABLE , SND_HWDEP_IFACE_BLUETOOTH , SND_HWDEP_IFACE_USX2Y_PCM , SND_HWDEP_IFACE_PCXHR , SND_HWDEP_IFACE_SB_RC , SND_HWDEP_IFACE_HDA , SND_HWDEP_IFACE_USB_STREAM , SND_HWDEP_IFACE_FW_DICE , SND_HWDEP_IFACE_FW_FIREWORKS , SND_HWDEP_IFACE_FW_BEBOB , SND_HWDEP_IFACE_FW_OXFW , SND_HWDEP_IFACE_FW_DIGI00X , SND_HWDEP_IFACE_FW_TASCAM , SND_HWDEP_IFACE_LINE6 , SND_HWDEP_IFACE_FW_MOTU , SND_HWDEP_IFACE_FW_FIREFACE , SND_HWDEP_IFACE_LAST = SND_HWDEP_IFACE_FW_FIREFACE } |
| enum | snd_hwdep_type_t { SND_HWDEP_TYPE_HW , SND_HWDEP_TYPE_SHM , SND_HWDEP_TYPE_INET } |
Functions | |
| int | snd_hwdep_open (snd_hwdep_t **hwdep, const char *name, int mode) |
| Opens a new connection to the HwDep interface. | |
| int | snd_hwdep_close (snd_hwdep_t *hwdep) |
| close HwDep handle | |
| int | snd_hwdep_poll_descriptors (snd_hwdep_t *hwdep, struct pollfd *pfds, unsigned int space) |
| get poll descriptors | |
| int | snd_hwdep_poll_descriptors_count (snd_hwdep_t *hwdep) |
| get count of poll descriptors for HwDep handle | |
| int | snd_hwdep_poll_descriptors_revents (snd_hwdep_t *hwdep, struct pollfd *pfds, unsigned int nfds, unsigned short *revents) |
| get returned events from poll descriptors | |
| int | snd_hwdep_nonblock (snd_hwdep_t *hwdep, int nonblock) |
| set nonblock mode | |
| int | snd_hwdep_info (snd_hwdep_t *hwdep, snd_hwdep_info_t *info) |
| get information about HwDep handle | |
| int | snd_hwdep_dsp_status (snd_hwdep_t *hwdep, snd_hwdep_dsp_status_t *status) |
| get the DSP status information | |
| int | snd_hwdep_dsp_load (snd_hwdep_t *hwdep, snd_hwdep_dsp_image_t *block) |
| load the DSP block | |
| int | snd_hwdep_ioctl (snd_hwdep_t *hwdep, unsigned int request, void *arg) |
| do hardware dependent ioctl | |
| ssize_t | snd_hwdep_write (snd_hwdep_t *hwdep, const void *buffer, size_t size) |
| write bytes using HwDep handle | |
| ssize_t | snd_hwdep_read (snd_hwdep_t *hwdep, void *buffer, size_t size) |
| read bytes using HwDep handle | |
| size_t | snd_hwdep_info_sizeof (void) |
| get size of the snd_hwdep_info_t structure in bytes | |
| int | snd_hwdep_info_malloc (snd_hwdep_info_t **ptr) |
| allocate a new snd_hwdep_info_t structure | |
| void | snd_hwdep_info_free (snd_hwdep_info_t *obj) |
| frees the snd_hwdep_info_t structure | |
| void | snd_hwdep_info_copy (snd_hwdep_info_t *dst, const snd_hwdep_info_t *src) |
| copy one snd_hwdep_info_t structure to another | |
| unsigned int | snd_hwdep_info_get_device (const snd_hwdep_info_t *obj) |
| get hwdep device number | |
| int | snd_hwdep_info_get_card (const snd_hwdep_info_t *obj) |
| get hwdep card number | |
| const char * | snd_hwdep_info_get_id (const snd_hwdep_info_t *obj) |
| get hwdep driver identifier | |
| const char * | snd_hwdep_info_get_name (const snd_hwdep_info_t *obj) |
| get hwdep driver name | |
| snd_hwdep_iface_t | snd_hwdep_info_get_iface (const snd_hwdep_info_t *obj) |
| get hwdep protocol interface | |
| void | snd_hwdep_info_set_device (snd_hwdep_info_t *obj, unsigned int val) |
| set hwdep device number | |
| size_t | snd_hwdep_dsp_status_sizeof (void) |
| get size of the snd_hwdep_dsp_status_t structure in bytes | |
| int | snd_hwdep_dsp_status_malloc (snd_hwdep_dsp_status_t **ptr) |
| allocate a new snd_hwdep_dsp_status_t structure | |
| void | snd_hwdep_dsp_status_free (snd_hwdep_dsp_status_t *obj) |
| frees the snd_hwdep_dsp_status_t structure | |
| void | snd_hwdep_dsp_status_copy (snd_hwdep_dsp_status_t *dst, const snd_hwdep_dsp_status_t *src) |
| copy one snd_hwdep_dsp_status_t structure to another | |
| unsigned int | snd_hwdep_dsp_status_get_version (const snd_hwdep_dsp_status_t *obj) |
| get the driver version of dsp loader | |
| const char * | snd_hwdep_dsp_status_get_id (const snd_hwdep_dsp_status_t *obj) |
| get the driver id of dsp loader | |
| unsigned int | snd_hwdep_dsp_status_get_num_dsps (const snd_hwdep_dsp_status_t *obj) |
| get number of dsp blocks | |
| unsigned int | snd_hwdep_dsp_status_get_dsp_loaded (const snd_hwdep_dsp_status_t *obj) |
| get the bit flags of the loaded dsp blocks | |
| unsigned int | snd_hwdep_dsp_status_get_chip_ready (const snd_hwdep_dsp_status_t *obj) |
| get the chip status of dsp loader | |
| size_t | snd_hwdep_dsp_image_sizeof (void) |
| get size of the snd_hwdep_dsp_image_t structure in bytes | |
| int | snd_hwdep_dsp_image_malloc (snd_hwdep_dsp_image_t **ptr) |
| allocate a new snd_hwdep_dsp_image_t structure | |
| void | snd_hwdep_dsp_image_free (snd_hwdep_dsp_image_t *obj) |
| frees the snd_hwdep_dsp_image_t structure | |
| void | snd_hwdep_dsp_image_copy (snd_hwdep_dsp_image_t *dst, const snd_hwdep_dsp_image_t *src) |
| copy one snd_hwdep_dsp_image_t structure to another | |
| unsigned int | snd_hwdep_dsp_image_get_index (const snd_hwdep_dsp_image_t *obj) |
| get the DSP block index | |
| const char * | snd_hwdep_dsp_image_get_name (const snd_hwdep_dsp_image_t *obj) |
| get the name of the DSP block | |
| const void * | snd_hwdep_dsp_image_get_image (const snd_hwdep_dsp_image_t *obj) |
| get the image pointer of the DSP block | |
| size_t | snd_hwdep_dsp_image_get_length (const snd_hwdep_dsp_image_t *obj) |
| get the length of the DSP block | |
| void | snd_hwdep_dsp_image_set_index (snd_hwdep_dsp_image_t *obj, unsigned int _index) |
| set the DSP block index | |
| void | snd_hwdep_dsp_image_set_name (snd_hwdep_dsp_image_t *obj, const char *name) |
| set the name of the DSP block | |
| void | snd_hwdep_dsp_image_set_image (snd_hwdep_dsp_image_t *obj, void *buffer) |
| set the DSP block image pointer | |
| void | snd_hwdep_dsp_image_set_length (snd_hwdep_dsp_image_t *obj, size_t length) |
| set the DSP block length | |
Application interface library for the ALSA driver.
Application interface library for the ALSA driver