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160 lines
7.0 KiB
C++
160 lines
7.0 KiB
C++
/**
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* \file include/rawmidi.h
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* \brief Application interface library for the ALSA driver
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* \author Jaroslav Kysela <perex@perex.cz>
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* \author Abramo Bagnara <abramo@alsa-project.org>
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* \author Takashi Iwai <tiwai@suse.de>
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* \date 1998-2001
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*
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* Application interface library for the ALSA driver
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*/
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/*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef __ALSA_RAWMIDI_H
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#define __ALSA_RAWMIDI_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \defgroup RawMidi RawMidi Interface
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* The RawMidi Interface. See \ref rawmidi page for more details.
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* \{
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*/
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/** dlsym version for interface entry callback */
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#define SND_RAWMIDI_DLSYM_VERSION _dlsym_rawmidi_001
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/** RawMidi information container */
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typedef struct _snd_rawmidi_info snd_rawmidi_info_t;
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/** RawMidi settings container */
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typedef struct _snd_rawmidi_params snd_rawmidi_params_t;
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/** RawMidi status container */
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typedef struct _snd_rawmidi_status snd_rawmidi_status_t;
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/** RawMidi stream (direction) */
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typedef enum _snd_rawmidi_stream {
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/** Output stream */
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SND_RAWMIDI_STREAM_OUTPUT = 0,
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/** Input stream */
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SND_RAWMIDI_STREAM_INPUT,
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SND_RAWMIDI_STREAM_LAST = SND_RAWMIDI_STREAM_INPUT
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} snd_rawmidi_stream_t;
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/** Append (flag to open mode) \hideinitializer */
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#define SND_RAWMIDI_APPEND 0x0001
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/** Non blocking mode (flag to open mode) \hideinitializer */
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#define SND_RAWMIDI_NONBLOCK 0x0002
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/** Write sync mode (Flag to open mode) \hideinitializer */
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#define SND_RAWMIDI_SYNC 0x0004
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/** RawMidi handle */
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typedef struct _snd_rawmidi snd_rawmidi_t;
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/** RawMidi type */
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typedef enum _snd_rawmidi_type {
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/** Kernel level RawMidi */
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SND_RAWMIDI_TYPE_HW,
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/** Shared memory client RawMidi (not yet implemented) */
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SND_RAWMIDI_TYPE_SHM,
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/** INET client RawMidi (not yet implemented) */
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SND_RAWMIDI_TYPE_INET,
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/** Virtual (sequencer) RawMidi */
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SND_RAWMIDI_TYPE_VIRTUAL
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} snd_rawmidi_type_t;
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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_open_lconf(snd_rawmidi_t **in_rmidi, snd_rawmidi_t **out_rmidi,
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const char *name, int mode, snd_config_t *lconf);
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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_poll_descriptors_revents(snd_rawmidi_t *rawmidi, struct pollfd *pfds, unsigned int nfds, unsigned short *revent);
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int snd_rawmidi_nonblock(snd_rawmidi_t *rmidi, int nonblock);
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size_t snd_rawmidi_info_sizeof(void);
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/** \hideinitializer
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* \brief allocate an invalid #snd_rawmidi_info_t using standard alloca
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* \param ptr returned pointer
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*/
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#define snd_rawmidi_info_alloca(ptr) __snd_alloca(ptr, snd_rawmidi_info)
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int snd_rawmidi_info_malloc(snd_rawmidi_info_t **ptr);
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void snd_rawmidi_info_free(snd_rawmidi_info_t *obj);
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void snd_rawmidi_info_copy(snd_rawmidi_info_t *dst, const snd_rawmidi_info_t *src);
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unsigned int snd_rawmidi_info_get_device(const snd_rawmidi_info_t *obj);
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unsigned int snd_rawmidi_info_get_subdevice(const snd_rawmidi_info_t *obj);
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snd_rawmidi_stream_t snd_rawmidi_info_get_stream(const snd_rawmidi_info_t *obj);
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int snd_rawmidi_info_get_card(const snd_rawmidi_info_t *obj);
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unsigned int snd_rawmidi_info_get_flags(const snd_rawmidi_info_t *obj);
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const char *snd_rawmidi_info_get_id(const snd_rawmidi_info_t *obj);
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const char *snd_rawmidi_info_get_name(const snd_rawmidi_info_t *obj);
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const char *snd_rawmidi_info_get_subdevice_name(const snd_rawmidi_info_t *obj);
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unsigned int snd_rawmidi_info_get_subdevices_count(const snd_rawmidi_info_t *obj);
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unsigned int snd_rawmidi_info_get_subdevices_avail(const snd_rawmidi_info_t *obj);
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void snd_rawmidi_info_set_device(snd_rawmidi_info_t *obj, unsigned int val);
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void snd_rawmidi_info_set_subdevice(snd_rawmidi_info_t *obj, unsigned int val);
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void snd_rawmidi_info_set_stream(snd_rawmidi_info_t *obj, snd_rawmidi_stream_t val);
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int snd_rawmidi_info(snd_rawmidi_t *rmidi, snd_rawmidi_info_t * info);
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size_t snd_rawmidi_params_sizeof(void);
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/** \hideinitializer
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* \brief allocate an invalid #snd_rawmidi_params_t using standard alloca
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* \param ptr returned pointer
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*/
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#define snd_rawmidi_params_alloca(ptr) __snd_alloca(ptr, snd_rawmidi_params)
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int snd_rawmidi_params_malloc(snd_rawmidi_params_t **ptr);
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void snd_rawmidi_params_free(snd_rawmidi_params_t *obj);
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void snd_rawmidi_params_copy(snd_rawmidi_params_t *dst, const snd_rawmidi_params_t *src);
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int snd_rawmidi_params_set_buffer_size(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params, size_t val);
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size_t snd_rawmidi_params_get_buffer_size(const snd_rawmidi_params_t *params);
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int snd_rawmidi_params_set_avail_min(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params, size_t val);
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size_t snd_rawmidi_params_get_avail_min(const snd_rawmidi_params_t *params);
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int snd_rawmidi_params_set_no_active_sensing(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params, int val);
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int snd_rawmidi_params_get_no_active_sensing(const snd_rawmidi_params_t *params);
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int snd_rawmidi_params(snd_rawmidi_t *rmidi, snd_rawmidi_params_t * params);
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int snd_rawmidi_params_current(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params);
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size_t snd_rawmidi_status_sizeof(void);
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/** \hideinitializer
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* \brief allocate an invalid #snd_rawmidi_status_t using standard alloca
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* \param ptr returned pointer
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*/
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#define snd_rawmidi_status_alloca(ptr) __snd_alloca(ptr, snd_rawmidi_status)
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int snd_rawmidi_status_malloc(snd_rawmidi_status_t **ptr);
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void snd_rawmidi_status_free(snd_rawmidi_status_t *obj);
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void snd_rawmidi_status_copy(snd_rawmidi_status_t *dst, const snd_rawmidi_status_t *src);
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void snd_rawmidi_status_get_tstamp(const snd_rawmidi_status_t *obj, snd_htimestamp_t *ptr);
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size_t snd_rawmidi_status_get_avail(const snd_rawmidi_status_t *obj);
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size_t snd_rawmidi_status_get_xruns(const snd_rawmidi_status_t *obj);
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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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snd_rawmidi_stream_t snd_rawmidi_stream(snd_rawmidi_t *rawmidi);
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/** \} */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __RAWMIDI_H */
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