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184 lines
8.9 KiB
C
184 lines
8.9 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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/**
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* \file include/ump.h
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* \brief API library for ALSA rawmidi/UMP interface
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*
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* API library for ALSA rawmidi/UMP interface
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*/
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#ifndef __ALSA_UMP_H
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#define __ALSA_UMP_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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/** UMP (Endpoint) RawMIDI device */
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typedef struct _snd_ump snd_ump_t;
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/** UMP Endpoint information container */
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typedef struct snd_ump_endpoint_info snd_ump_endpoint_info_t;
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/** UMP Block information container */
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typedef struct snd_ump_block_info snd_ump_block_info_t;
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int snd_ump_open(snd_ump_t **inputp, snd_ump_t **outputp, const char *name, int mode);
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int snd_ump_close(snd_ump_t *ump);
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snd_rawmidi_t *snd_ump_rawmidi(snd_ump_t *ump);
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const char *snd_ump_name(snd_ump_t *ump);
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int snd_ump_poll_descriptors_count(snd_ump_t *ump);
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int snd_ump_poll_descriptors(snd_ump_t *ump, struct pollfd *pfds, unsigned int space);
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int snd_ump_poll_descriptors_revents(snd_ump_t *ump, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
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int snd_ump_nonblock(snd_ump_t *ump, int nonblock);
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int snd_ump_rawmidi_info(snd_ump_t *ump, snd_rawmidi_info_t *info);
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int snd_ump_rawmidi_params(snd_ump_t *ump, snd_rawmidi_params_t *params);
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int snd_ump_rawmidi_params_current(snd_ump_t *ump, snd_rawmidi_params_t *params);
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int snd_ump_rawmidi_status(snd_ump_t *ump, snd_rawmidi_status_t *status);
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int snd_ump_drop(snd_ump_t *ump);
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int snd_ump_drain(snd_ump_t *ump);
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ssize_t snd_ump_write(snd_ump_t *ump, const void *buffer, size_t size);
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ssize_t snd_ump_read(snd_ump_t *ump, void *buffer, size_t size);
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ssize_t snd_ump_tread(snd_ump_t *ump, struct timespec *tstamp, void *buffer, size_t size);
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/** Max number of UMP Groups */
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#define SND_UMP_MAX_GROUPS 16
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/** Max number of UMP Blocks */
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#define SND_UMP_MAX_BLOCKS 32
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/** UMP direction */
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enum _snd_ump_direction {
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/** Input only */
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SND_UMP_DIR_INPUT = 0x01,
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/** Output only */
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SND_UMP_DIR_OUTPUT = 0x02,
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/** Bidirectional */
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SND_UMP_DIR_BIDIRECTION = 0x03,
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};
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/** UMP EP holds only static blocks */
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#define SND_UMP_EP_INFO_STATIC_BLOCKS 0x01
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/** Bitmask for UMP EP MIDI protocols */
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#define SND_UMP_EP_INFO_PROTO_MIDI_MASK 0x0300
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/** Bit flag for MIDI 1.0 protocol */
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#define SND_UMP_EP_INFO_PROTO_MIDI1 0x0100
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/** Bit flag for MIDI 2.0 protocol */
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#define SND_UMP_EP_INFO_PROTO_MIDI2 0x0200
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/** Bitmask for UMP Jitter-reduction timestamp */
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#define SND_UMP_EP_INFO_PROTO_JRTS_MASK 0x0003
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/** Bit flag for JRTS in Transmit */
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#define SND_UMP_EP_INFO_PROTO_JRTS_TX 0x0001
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/** Bit flag for JRTS in Receive */
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#define SND_UMP_EP_INFO_PROTO_JRTS_RX 0x0002
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/** Default version passed to UMP Endpoint info */
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#define SND_UMP_EP_INFO_DEFAULT_VERSION 0x0101
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size_t snd_ump_endpoint_info_sizeof(void);
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/** \hideinitializer
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* \brief allocate an invalid #snd_ump_endpoint_info_t using standard alloca
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* \param ptr returned pointer
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*/
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#define snd_ump_endpoint_info_alloca(ptr) __snd_alloca(ptr, snd_ump_endpoint_info)
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int snd_ump_endpoint_info_malloc(snd_ump_endpoint_info_t **info);
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void snd_ump_endpoint_info_free(snd_ump_endpoint_info_t *info);
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void snd_ump_endpoint_info_clear(snd_ump_endpoint_info_t *info);
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void snd_ump_endpoint_info_copy(snd_ump_endpoint_info_t *dst, const snd_ump_endpoint_info_t *src);
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int snd_ump_endpoint_info_get_card(const snd_ump_endpoint_info_t *info);
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int snd_ump_endpoint_info_get_device(const snd_ump_endpoint_info_t *info);
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unsigned int snd_ump_endpoint_info_get_flags(const snd_ump_endpoint_info_t *info);
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unsigned int snd_ump_endpoint_info_get_protocol_caps(const snd_ump_endpoint_info_t *info);
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unsigned int snd_ump_endpoint_info_get_protocol(const snd_ump_endpoint_info_t *info);
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unsigned int snd_ump_endpoint_info_get_num_blocks(const snd_ump_endpoint_info_t *info);
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unsigned int snd_ump_endpoint_info_get_version(const snd_ump_endpoint_info_t *info);
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unsigned int snd_ump_endpoint_info_get_manufacturer_id(const snd_ump_endpoint_info_t *info);
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unsigned int snd_ump_endpoint_info_get_family_id(const snd_ump_endpoint_info_t *info);
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unsigned int snd_ump_endpoint_info_get_model_id(const snd_ump_endpoint_info_t *info);
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const unsigned char *snd_ump_endpoint_info_get_sw_revision(const snd_ump_endpoint_info_t *info);
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const char *snd_ump_endpoint_info_get_name(const snd_ump_endpoint_info_t *info);
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const char *snd_ump_endpoint_info_get_product_id(const snd_ump_endpoint_info_t *info);
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int snd_ump_endpoint_info(snd_ump_t *ump, snd_ump_endpoint_info_t *info);
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void snd_ump_endpoint_info_set_card(snd_ump_endpoint_info_t *info, unsigned int card);
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void snd_ump_endpoint_info_set_device(snd_ump_endpoint_info_t *info, unsigned int device);
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void snd_ump_endpoint_info_set_flags(snd_ump_endpoint_info_t *info, unsigned int flags);
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void snd_ump_endpoint_info_set_protocol_caps(snd_ump_endpoint_info_t *info, unsigned int caps);
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void snd_ump_endpoint_info_set_protocol(snd_ump_endpoint_info_t *info, unsigned int protocols);
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void snd_ump_endpoint_info_set_num_blocks(snd_ump_endpoint_info_t *info, unsigned int num_blocks);
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void snd_ump_endpoint_info_set_version(snd_ump_endpoint_info_t *info, unsigned int version);
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void snd_ump_endpoint_info_set_manufacturer_id(snd_ump_endpoint_info_t *info, unsigned int id);
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void snd_ump_endpoint_info_set_family_id(snd_ump_endpoint_info_t *info, unsigned int id);
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void snd_ump_endpoint_info_set_model_id(snd_ump_endpoint_info_t *info, unsigned int id);
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void snd_ump_endpoint_info_set_sw_revision(snd_ump_endpoint_info_t *info, const unsigned char *id);
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void snd_ump_endpoint_info_set_name(snd_ump_endpoint_info_t *info, const char *name);
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void snd_ump_endpoint_info_set_product_id(snd_ump_endpoint_info_t *info, const char *id);
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/** Bit flag for MIDI 1.0 port w/o restrict in UMP Block info flags */
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#define SND_UMP_BLOCK_IS_MIDI1 (1U << 0)
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/** Bit flag for 31.25Kbps B/W MIDI1 port in UMP Block info flags */
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#define SND_UMP_BLOCK_IS_LOWSPEED (1U << 1)
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/** UMP block user-interface hint */
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enum _snd_ump_block_ui_hint {
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/** Unknown or undeclared */
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SND_UMP_BLOCK_UI_HINT_UNKNOWN = 0x00,
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/** Primarily a receiver or a destination for MIDI messages */
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SND_UMP_BLOCK_UI_HINT_RECEIVER = 0x01,
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/** Primarily a sender or a source of MIDI messages */
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SND_UMP_BLOCK_UI_HINT_SENDER = 0x02,
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/** Both a sender and receiver of MIDI messages */
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SND_UMP_BLOCK_UI_HINT_BOTH = 0x03,
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};
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/** Default MIDI CI version passed to UMP Block info */
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#define SND_UMP_BLOCK_INFO_DEFAULT_MIDI_CI_VERSION 0x01
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size_t snd_ump_block_info_sizeof(void);
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/** \hideinitializer
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* \brief allocate an invalid #snd_ump_block_info_t using standard alloca
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* \param ptr returned pointer
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*/
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#define snd_ump_block_info_alloca(ptr) __snd_alloca(ptr, snd_ump_block_info)
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int snd_ump_block_info_malloc(snd_ump_block_info_t **info);
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void snd_ump_block_info_free(snd_ump_block_info_t *info);
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void snd_ump_block_info_clear(snd_ump_block_info_t *info);
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void snd_ump_block_info_copy(snd_ump_block_info_t *dst, const snd_ump_block_info_t *src);
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int snd_ump_block_info_get_card(const snd_ump_block_info_t *info);
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int snd_ump_block_info_get_device(const snd_ump_block_info_t *info);
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unsigned int snd_ump_block_info_get_block_id(const snd_ump_block_info_t *info);
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unsigned int snd_ump_block_info_get_active(const snd_ump_block_info_t *info);
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unsigned int snd_ump_block_info_get_flags(const snd_ump_block_info_t *info);
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unsigned int snd_ump_block_info_get_direction(const snd_ump_block_info_t *info);
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unsigned int snd_ump_block_info_get_first_group(const snd_ump_block_info_t *info);
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unsigned int snd_ump_block_info_get_num_groups(const snd_ump_block_info_t *info);
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unsigned int snd_ump_block_info_get_midi_ci_version(const snd_ump_block_info_t *info);
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unsigned int snd_ump_block_info_get_sysex8_streams(const snd_ump_block_info_t *info);
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unsigned int snd_ump_block_info_get_ui_hint(const snd_ump_block_info_t *info);
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const char *snd_ump_block_info_get_name(const snd_ump_block_info_t *info);
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int snd_ump_block_info(snd_ump_t *ump, snd_ump_block_info_t *info);
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void snd_ump_block_info_set_card(snd_ump_block_info_t *info, unsigned int card);
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void snd_ump_block_info_set_device(snd_ump_block_info_t *info, unsigned int device);
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void snd_ump_block_info_set_block_id(snd_ump_block_info_t *info, unsigned int id);
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void snd_ump_block_info_set_active(snd_ump_block_info_t *info, unsigned int active);
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void snd_ump_block_info_set_flags(snd_ump_block_info_t *info, unsigned int flags);
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void snd_ump_block_info_set_direction(snd_ump_block_info_t *info, unsigned int direction);
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void snd_ump_block_info_set_first_group(snd_ump_block_info_t *info, unsigned int first_group);
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void snd_ump_block_info_set_num_groups(snd_ump_block_info_t *info, unsigned int num_groups);
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void snd_ump_block_info_set_midi_ci_version(snd_ump_block_info_t *info, unsigned int version);
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void snd_ump_block_info_set_sysex8_streams(snd_ump_block_info_t *info, unsigned int streams);
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void snd_ump_block_info_set_ui_hint(snd_ump_block_info_t *info, unsigned int hint);
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void snd_ump_block_info_set_name(snd_ump_block_info_t *info, const char *name);
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/** \} */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ALSA_UMP_H */
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