mirror of
https://gitee.com/openharmony/third_party_alsa-lib
synced 2024-11-27 09:40:32 +00:00
40 lines
1.8 KiB
C
40 lines
1.8 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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#define SND_RAWMIDI_OPEN_OUTPUT (O_WRONLY)
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#define SND_RAWMIDI_OPEN_OUTPUT_APPEND (O_WRONLY|O_APPEND|O_NONBLOCK)
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#define SND_RAWMIDI_OPEN_INPUT (O_RDONLY)
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#define SND_RAWMIDI_OPEN_DUPLEX (O_RDWR)
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#define SND_RAWMIDI_OPEN_DUPLEX_APPEND (O_RDWR|O_APPEND|O_NONBLOCK)
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#define SND_RAWMIDI_OPEN_NONBLOCK (O_NONBLOCK)
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct snd_rawmidi snd_rawmidi_t;
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int snd_rawmidi_open(snd_rawmidi_t **handle, int card, int device, int mode);
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int snd_rawmidi_close(snd_rawmidi_t *handle);
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int snd_rawmidi_file_descriptor(snd_rawmidi_t *handle);
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int snd_rawmidi_block_mode(snd_rawmidi_t *handle, int enable);
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int snd_rawmidi_info(snd_rawmidi_t *handle, snd_rawmidi_info_t * info);
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int snd_rawmidi_stream_params(snd_rawmidi_t *handle, snd_rawmidi_params_t * params);
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int snd_rawmidi_stream_setup(snd_rawmidi_t *handle, snd_rawmidi_setup_t * setup);
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int snd_rawmidi_stream_status(snd_rawmidi_t *handle, snd_rawmidi_status_t * status);
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int snd_rawmidi_output_drain(snd_rawmidi_t *handle);
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int snd_rawmidi_output_flush(snd_rawmidi_t *handle);
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int snd_rawmidi_input_flush(snd_rawmidi_t *handle);
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int snd_rawmidi_stream_flush(snd_rawmidi_t *handle, int channel);
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ssize_t snd_rawmidi_write(snd_rawmidi_t *handle, const void *buffer, size_t size);
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ssize_t snd_rawmidi_read(snd_rawmidi_t *handle, void *buffer, size_t size);
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#ifdef __cplusplus
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}
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#endif
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