mirror of
https://github.com/alsa-project/alsa-lib.git
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68 lines
2.7 KiB
C
68 lines
2.7 KiB
C
/****************************************************************************
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* *
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* rawmidi.h *
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* RawMIDI interface *
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* *
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****************************************************************************/
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typedef struct _snd_rawmidi_info snd_rawmidi_info_t;
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typedef struct _snd_rawmidi_params snd_rawmidi_params_t;
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typedef struct _snd_rawmidi_status snd_rawmidi_status_t;
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#ifdef SND_ENUM_TYPECHECK
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typedef struct __snd_rawmidi_stream *snd_rawmidi_stream_t;
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#else
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typedef enum sndrv_rawmidi_stream snd_rawmidi_stream_t;
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#endif
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#define SND_RAWMIDI_STREAM_OUTPUT ((snd_rawmidi_stream_t) SNDRV_RAWMIDI_STREAM_OUTPUT)
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#define SND_RAWMIDI_STREAM_INPUT ((snd_rawmidi_stream_t) SNDRV_RAWMIDI_STREAM_INPUT)
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#define SND_RAWMIDI_STREAM_LAST ((snd_rawmidi_stream_t) SNDRV_RAWMIDI_STREAM_LAST)
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#define SND_RAWMIDI_APPEND 1
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#define SND_RAWMIDI_NONBLOCK 2
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typedef struct _snd_rawmidi snd_rawmidi_t;
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enum _snd_rawmidi_type {
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SND_RAWMIDI_TYPE_HW,
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SND_RAWMIDI_TYPE_SHM,
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SND_RAWMIDI_TYPE_INET,
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};
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#ifdef SND_ENUM_TYPECHECK
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typedef struct __snd_rawmidi_type *snd_rawmidi_type_t;
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#else
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typedef enum _snd_rawmidi_type snd_rawmidi_type_t;
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#endif
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#define SND_RAWMIDI_TYPE_HW ((snd_rawmidi_type_t) SND_RAWMIDI_TYPE_HW)
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#define SND_RAWMIDI_TYPE_SHM ((snd_rawmidi_type_t) SND_RAWMIDI_TYPE_SHM)
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#define SND_RAWMIDI_TYPE_INET ((snd_rawmidi_type_t) SND_RAWMIDI_TYPE_INET)
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#ifdef __cplusplus
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extern "C" {
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#endif
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int snd_rawmidi_open(snd_rawmidi_t **in_rmidi, snd_rawmidi_t **out_rmidi,
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const char *name, int mode);
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int snd_rawmidi_close(snd_rawmidi_t *rmidi);
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int snd_rawmidi_poll_descriptors_count(snd_rawmidi_t *rmidi);
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int snd_rawmidi_poll_descriptors(snd_rawmidi_t *rmidi, struct pollfd *pfds, unsigned int space);
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int snd_rawmidi_nonblock(snd_rawmidi_t *rmidi, int nonblock);
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int snd_rawmidi_info(snd_rawmidi_t *rmidi, snd_rawmidi_info_t * info);
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int snd_rawmidi_params(snd_rawmidi_t *rmidi, snd_rawmidi_params_t * params);
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int snd_rawmidi_status(snd_rawmidi_t *rmidi, snd_rawmidi_status_t * status);
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int snd_rawmidi_drain(snd_rawmidi_t *rmidi);
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int snd_rawmidi_drop(snd_rawmidi_t *rmidi);
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ssize_t snd_rawmidi_write(snd_rawmidi_t *rmidi, const void *buffer, size_t size);
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ssize_t snd_rawmidi_read(snd_rawmidi_t *rmidi, void *buffer, size_t size);
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const char *snd_rawmidi_name(snd_rawmidi_t *rmidi);
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snd_rawmidi_type_t snd_rawmidi_type(snd_rawmidi_t *rmidi);
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int snd_rawmidi_params_current(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params);
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#ifdef __cplusplus
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}
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#endif
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