| Current File : //usr/include/alsa/ump_msg.h |
/* SPDX-License-Identifier: LGPL-2.1+ */
/**
* \file include/ump_msg.h
* \brief API library for ALSA rawmidi/UMP interface
*
* API library for ALSA rawmidi/UMP interface
*/
#ifndef __ALSA_UMP_MSG_H
#define __ALSA_UMP_MSG_H
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
/** general UMP packet header in 32bit word */
typedef struct _snd_ump_msg_hdr {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t status:4; /**< Status */
uint8_t channel:4; /**< Channel */
uint8_t byte1; /**< First data byte */
uint8_t byte2; /**< Second data byte */
#else
uint8_t byte2; /**< Second data byte */
uint8_t byte1; /**< First data byte */
uint8_t channel:4; /**< Channel */
uint8_t status:4; /**< Status */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
#endif
} __attribute((packed)) snd_ump_msg_hdr_t;
/** MIDI 1.0 Note Off / Note On (32bit) */
typedef struct _snd_ump_msg_midi1_note {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t status:4; /**< Status */
uint8_t channel:4; /**< Channel */
uint8_t note; /**< Note (7bit) */
uint8_t velocity; /**< Velocity (7bit) */
#else
uint8_t velocity; /**< Velocity (7bit) */
uint8_t note; /**< Note (7bit) */
uint8_t channel:4; /**< Channel */
uint8_t status:4; /**< Status */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
#endif
} __attribute((packed)) snd_ump_msg_midi1_note_t;
/** MIDI 1.0 Poly Pressure (32bit) */
typedef struct _snd_ump_msg_midi1_paf {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t status:4; /**< Status */
uint8_t channel:4; /**< Channel */
uint8_t note; /**< Note (7bit) */
uint8_t data; /**< Pressure (7bit) */
#else
uint8_t data; /**< Pressure (7bit) */
uint8_t note; /**< Note (7bit) */
uint8_t channel:4; /**< Channel */
uint8_t status:4; /**< Status */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
#endif
} __attribute((packed)) snd_ump_msg_midi1_paf_t;
/** MIDI 1.0 Control Change (32bit) */
typedef struct _snd_ump_msg_midi1_cc {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t status:4; /**< Status */
uint8_t channel:4; /**< Channel */
uint8_t index; /**< Control index (7bit) */
uint8_t data; /**< Control data (7bit) */
#else
uint8_t data; /**< Control data (7bit) */
uint8_t index; /**< Control index (7bit) */
uint8_t channel:4; /**< Channel */
uint8_t status:4; /**< Status */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
#endif
} __attribute((packed)) snd_ump_msg_midi1_cc_t;
/** MIDI 1.0 Program Change (32bit) */
typedef struct _snd_ump_msg_midi1_program {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t status:4; /**< Status */
uint8_t channel:4; /**< Channel */
uint8_t program; /**< Program number (7bit) */
uint8_t reserved; /**< Unused */
#else
uint8_t reserved; /**< Unused */
uint8_t program; /**< Program number (7bit) */
uint8_t channel:4; /**< Channel */
uint8_t status:4; /**< Status */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
#endif
} __attribute((packed)) snd_ump_msg_midi1_program_t;
/** MIDI 1.0 Channel Pressure (32bit) */
typedef struct _snd_ump_msg_midi1_caf {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t status:4; /**< Status */
uint8_t channel:4; /**< Channel */
uint8_t data; /**< Pressure (7bit) */
uint8_t reserved; /**< Unused */
#else
uint8_t reserved; /**< Unused */
uint8_t data; /**< Pressure (7bit) */
uint8_t channel:4; /**< Channel */
uint8_t status:4; /**< Status */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
#endif
} __attribute((packed)) snd_ump_msg_midi1_caf_t;
/** MIDI 1.0 Pitch Bend (32bit) */
typedef struct _snd_ump_msg_midi1_pitchbend {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t status:4; /**< Status */
uint8_t channel:4; /**< Channel */
uint8_t data_lsb; /**< LSB of pitchbend (7bit) */
uint8_t data_msb; /**< MSB of pitchbend (7bit) */
#else
uint8_t data_msb; /**< MSB of pitchbend (7bit) */
uint8_t data_lsb; /**< LSB of pitchbend (7bit) */
uint8_t channel:4; /**< Channel */
uint8_t status:4; /**< Status */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
#endif
} __attribute((packed)) snd_ump_msg_midi1_pitchbend_t;
/** System Common and Real Time messages (32bit); no channel field */
typedef struct snd_ump_msg_system {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t status; /**< Status */
uint8_t parm1; /**< First parameter */
uint8_t parm2; /**< Second parameter */
#else
uint8_t parm2; /**< Second parameter */
uint8_t parm1; /**< First parameter */
uint8_t status; /**< Status */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
#endif
} __attribute((packed)) snd_ump_msg_system_t;
/** MIDI 1.0 UMP CVM (32bit) */
typedef union _snd_ump_msg_midi1 {
snd_ump_msg_midi1_note_t note_on; /**< MIDI1 note-on message */
snd_ump_msg_midi1_note_t note_off; /**< MIDI1 note-off message */
snd_ump_msg_midi1_paf_t poly_pressure; /**< MIDI1 poly-pressure message */
snd_ump_msg_midi1_cc_t control_change; /**< MIDI1 control-change message */
snd_ump_msg_midi1_program_t program_change; /**< MIDI1 program-change message */
snd_ump_msg_midi1_caf_t channel_pressure; /**< MIDI1 channel-pressure message */
snd_ump_msg_midi1_pitchbend_t pitchbend; /**< MIDI1 pitch-bend message */
snd_ump_msg_system_t system; /**< system message */
snd_ump_msg_hdr_t hdr; /**< UMP header */
uint32_t raw; /**< raw UMP packet */
} snd_ump_msg_midi1_t;
/** MIDI 2.0 Note-on/off attribute type */
enum {
SND_UMP_MIDI2_NOTE_ATTR_NO_DATA = 0x00, /**< No attribute data */
SND_UMP_MIDI2_NOTE_ATTR_MANUFACTURER = 0x01, /**< Manufacturer specific */
SND_UMP_MIDI2_NOTE_ATTR_PROFILE = 0x02, /**< Profile specific */
SND_UMP_MIDI2_NOTE_ATTR_PITCH79 = 0x03, /**< Pitch 7.9 */
};
/** MIDI 2.0 Note Off / Note On (64bit) */
typedef struct _snd_ump_msg_midi2_note {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t status:4; /**< Status */
uint8_t channel:4; /**< Channel */
uint8_t note; /**< Note (7bit) */
uint8_t attr_type; /**< Attribute type */
uint16_t velocity; /**< Velocity (16bit) */
uint16_t attr_data; /**< Attribute data (16bit) */
#else
uint8_t attr_type; /**< Attribute type */
uint8_t note; /**< Note (7bit) */
uint8_t channel:4; /**< Channel */
uint8_t status:4; /**< Status */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
uint16_t attr_data; /**< Attribute data (16bit) */
uint16_t velocity; /**< Velocity (16bit) */
#endif
} __attribute((packed)) snd_ump_msg_midi2_note_t;
/** MIDI 2.0 Poly Pressure (64bit) */
typedef struct _snd_ump_msg_midi2_paf {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t status:4; /**< Status */
uint8_t channel:4; /**< Channel */
uint8_t note; /**< Note (7bit) */
uint8_t reserved; /**< Unused */
uint32_t data; /**< Pressure (32bit) */
#else
uint8_t reserved; /**< Unused */
uint8_t note; /**< Note (7bit) */
uint8_t channel:4; /**< Channel */
uint8_t status:4; /**< Status */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
uint32_t data; /**< Pressure (32bit) */
#endif
} __attribute((packed)) snd_ump_msg_midi2_paf_t;
/** MIDI 2.0 Per-Note Controller (64bit) */
typedef struct _snd_ump_msg_midi2_per_note_cc {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t status:4; /**< Status */
uint8_t channel:4; /**< Channel */
uint8_t note; /**< Note (7bit) */
uint8_t index; /**< Control index (8bit) */
uint32_t data; /**< Data (32bit) */
#else
uint8_t index; /**< Control index (8bit) */
uint8_t note; /**< Note (7bit) */
uint8_t channel:4; /**< Channel */
uint8_t status:4; /**< Status */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
uint32_t data; /**< Data (32bit) */
#endif
} __attribute((packed)) snd_ump_msg_midi2_per_note_cc_t;
/** MIDI 2.0 per-note management flag bits */
enum {
SND_UMP_MIDI2_PNMGMT_RESET_CONTROLLERS = 0x01, /**< Reset (set) per-note controllers */
SND_UMP_MIDI2_PNMGMT_DETACH_CONTROLLERS = 0x02, /**< Detach per-note controllers */
};
/** MIDI 2.0 Per-Note Management (64bit) */
typedef struct _snd_ump_msg_midi2_per_note_mgmt {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t status:4; /**< Status */
uint8_t channel:4; /**< Channel */
uint8_t note; /**< Note (7bit) */
uint8_t flags; /**< Option flags (8bit) */
uint32_t reserved; /**< Unused */
#else
uint8_t flags; /**< Option flags (8bit) */
uint8_t note; /**< Note (7bit) */
uint8_t channel:4; /**< Channel */
uint8_t status:4; /**< Status */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
uint32_t reserved; /**< Unused */
#endif
} __attribute((packed)) snd_ump_msg_midi2_per_note_mgmt_t;
/** MIDI 2.0 Control Change (64bit) */
typedef struct _snd_ump_msg_midi2_cc {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t status:4; /**< Status */
uint8_t channel:4; /**< Channel */
uint8_t index; /**< Control index (7bit) */
uint8_t reserved; /**< Unused */
uint32_t data; /**< Control data (32bit) */
#else
uint8_t reserved; /**< Unused */
uint8_t index; /**< Control index (7bit) */
uint8_t channel:4; /**< Channel */
uint8_t status:4; /**< Status */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
uint32_t data; /**< Control data (32bit) */
#endif
} __attribute((packed)) snd_ump_msg_midi2_cc_t;
/** MIDI 2.0 Registered Controller (RPN) / Assignable Controller (NRPN) (64bit) */
typedef struct _snd_ump_msg_midi2_rpn {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t status:4; /**< Status */
uint8_t channel:4; /**< Channel */
uint8_t bank; /**< Bank number (7bit) */
uint8_t index; /**< Control index (7bit) */
uint32_t data; /**< Data (32bit) */
#else
uint8_t index; /**< Control index (7bit) */
uint8_t bank; /**< Bank number (7bit) */
uint8_t channel:4; /**< Channel */
uint8_t status:4; /**< Status */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
uint32_t data; /**< Data (32bit) */
#endif
} __attribute((packed)) snd_ump_msg_midi2_rpn_t;
/** MIDI 2.0 Program Change (64bit) */
typedef struct _snd_ump_msg_midi2_program {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t status:4; /**< Status */
uint8_t channel:4; /**< Channel */
uint16_t reserved:15; /**< Unused */
uint16_t bank_valid:1; /**< Option flag: bank valid */
uint8_t program; /**< Program number (7bit) */
uint8_t reserved2; /**< Unused */
uint8_t bank_msb; /**< MSB of bank (8bit) */
uint8_t bank_lsb; /**< LSB of bank (7bit) */
#else
uint16_t bank_valid:1; /**< Option flag: bank valid */
uint16_t reserved:15; /**< Unused */
uint8_t channel:4; /**< Channel */
uint8_t status:4; /**< Status */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
uint8_t bank_lsb; /**< LSB of bank (7bit) */
uint8_t bank_msb; /**< MSB of bank (8bit) */
uint8_t reserved2; /**< Unused */
uint8_t program; /**< Program number (7bit) */
#endif
} __attribute((packed)) snd_ump_msg_midi2_program_t;
/** MIDI 2.0 Channel Pressure (64bit) */
typedef struct _snd_ump_msg_midi2_caf {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t status:4; /**< Status */
uint8_t channel:4; /**< Channel */
uint16_t reserved; /**< Unused */
uint32_t data; /**< Data (32bit) */
#else
uint16_t reserved; /**< Unused */
uint8_t channel:4; /**< Channel */
uint8_t status:4; /**< Status */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
uint32_t data; /**< Data (32bit) */
#endif
} __attribute((packed)) snd_ump_msg_midi2_caf_t;
/** MIDI 2.0 Pitch Bend (64bit) */
typedef struct _snd_ump_msg_midi2_pitchbend {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t status:4; /**< Status */
uint8_t channel:4; /**< Channel */
uint16_t reserved; /**< Unused */
uint32_t data; /**< Data (32bit) */
#else
uint16_t reserved; /**< Unused */
uint8_t channel:4; /**< Channel */
uint8_t status:4; /**< Status */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
uint32_t data; /**< Data (32bit) */
#endif
} __attribute((packed)) snd_ump_msg_midi2_pitchbend_t;
/** MIDI 2.0 Per-Note Pitch Bend (64bit) */
typedef struct _snd_ump_msg_midi2_per_note_pitchbend {
#ifdef __BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t status:4; /**< Status */
uint8_t channel:4; /**< Channel */
uint8_t note; /**< Note (7bit) */
uint8_t reserved; /**< Unused */
uint32_t data; /**< Data (32bit) */
#else
uint8_t reserved; /**< Unused */
uint8_t note; /**< Note (7bit) */
uint8_t channel:4; /**< Channel */
uint8_t status:4; /**< Status */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
uint32_t data; /**< Data (32bit) */
#endif
} __attribute((packed)) snd_ump_msg_midi2_per_note_pitchbend_t;
/** MIDI2 UMP packet (64bit) */
typedef union _snd_ump_msg_midi2 {
snd_ump_msg_midi2_note_t note_on; /**< MIDI2 note-on message */
snd_ump_msg_midi2_note_t note_off; /**< MIDI2 note-off message */
snd_ump_msg_midi2_paf_t poly_pressure; /**< MIDI2 poly-pressure message */
snd_ump_msg_midi2_per_note_cc_t per_note_acc; /**< MIDI2 per-note ACC message */
snd_ump_msg_midi2_per_note_cc_t per_note_rcc; /**< MIDI2 per-note RCC message */
snd_ump_msg_midi2_per_note_mgmt_t per_note_mgmt; /**< MIDI2 per-note management message */
snd_ump_msg_midi2_cc_t control_change; /**< MIDI2 control-change message */
snd_ump_msg_midi2_rpn_t rpn; /**< MIDI2 RPN message */
snd_ump_msg_midi2_rpn_t nrpn; /**< MIDI2 NRPN message */
snd_ump_msg_midi2_rpn_t relative_rpn; /**< MIDI2 relative-RPN message */
snd_ump_msg_midi2_rpn_t relative_nrpn; /**< MIDI2 relative-NRPN message */
snd_ump_msg_midi2_program_t program_change; /**< MIDI2 program-change message */
snd_ump_msg_midi2_caf_t channel_pressure; /**< MIDI2 channel-pressure message */
snd_ump_msg_midi2_pitchbend_t pitchbend; /**< MIDI2 pitch-bend message */
snd_ump_msg_midi2_per_note_pitchbend_t per_note_pitchbend; /**< MIDI2 per-note pitch-bend message */
snd_ump_msg_hdr_t hdr; /**< UMP header */
uint32_t raw[2]; /**< raw UMP packet */
} snd_ump_msg_midi2_t;
/** Stream Message (generic) (128bit) */
typedef struct _snd_ump_msg_stream_gen {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint16_t type:4; /**< UMP packet type */
uint16_t format:2; /**< Format */
uint16_t status:10; /**< Status */
uint16_t data1; /**< Data */
uint32_t data2; /**< Data */
uint32_t data3; /**< Data */
uint32_t data4; /**< Data */
#else
uint16_t data1; /**< Data */
uint16_t status:10; /**< Status */
uint16_t format:2; /**< Format */
uint16_t type:4; /**< UMP packet type */
uint32_t data2; /**< Data */
uint32_t data3; /**< Data */
uint32_t data4; /**< Data */
#endif
} __attribute((packed)) snd_ump_msg_stream_gen_t;
/** Stream Message (128bit) */
typedef union _snd_ump_msg_stream {
snd_ump_msg_stream_gen_t gen; /**< Generic Stream message */
snd_ump_msg_hdr_t hdr; /**< UMP header */
uint32_t raw[4]; /**< raw UMP packet */
} snd_ump_msg_stream_t;
/** Metadata / Text Message (128bit) */
typedef struct _snd_ump_msg_flex_data_meta {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t format:2; /**< Format */
uint8_t addrs:2; /**< Address */
uint8_t channel:4; /**< Channel */
uint8_t status_bank; /**< Status Bank */
uint8_t status; /**< Status */
uint32_t data[3]; /**< Data (96 bits) */
#else
uint8_t status; /**< Status */
uint8_t status_bank; /**< Status Bank */
uint8_t channel:4; /**< Channel */
uint8_t addrs:2; /**< Address */
uint8_t format:2; /**< Format */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
uint32_t data[3]; /**< Data (96 bits) */
#endif
} __attribute((packed)) snd_ump_msg_flex_data_meta_t;
/** Set Tempo Message (128bit) */
typedef struct _snd_ump_msg_set_tempo {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t format:2; /**< Format */
uint8_t addrs:2; /**< Address */
uint8_t channel:4; /**< Channel */
uint8_t status_bank; /**< Status Bank */
uint8_t status; /**< Status */
uint32_t tempo; /**< Number of 10nsec units per quarter note */
uint32_t reserved[2]; /**< Unused */
#else
uint8_t status; /**< Status */
uint8_t status_bank; /**< Status Bank */
uint8_t channel:4; /**< Channel */
uint8_t addrs:2; /**< Address */
uint8_t format:2; /**< Format */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
uint32_t tempo; /**< Number of 10nsec units per quarter note */
uint32_t reserved[2]; /**< Unused */
#endif
} __attribute((packed)) snd_ump_msg_set_tempo_t;
/** Set Time Signature Message (128bit) */
typedef struct _snd_ump_msg_set_time_sig {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t format:2; /**< Format */
uint8_t addrs:2; /**< Address */
uint8_t channel:4; /**< Channel */
uint8_t status_bank; /**< Status Bank */
uint8_t status; /**< Status */
uint8_t numerator; /**< Numerator */
uint8_t denominator; /**< Denominator */
uint8_t num_notes; /**< Number of 1/32 notes */
uint8_t reserved1; /**< Unused */
uint32_t reserved[2]; /**< Unused */
#else
uint8_t status; /**< Status */
uint8_t status_bank; /**< Status Bank */
uint8_t channel:4; /**< Channel */
uint8_t addrs:2; /**< Address */
uint8_t format:2; /**< Format */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
uint8_t reserved1; /**< Unused */
uint8_t num_notes; /**< Number of 1/32 notes */
uint8_t denominator; /**< Denominator */
uint8_t numerator; /**< Numerator */
uint32_t reserved[2]; /**< Unused */
#endif
} __attribute((packed)) snd_ump_msg_set_time_sig_t;
/** Set Metronome Message (128bit) */
typedef struct _snd_ump_msg_set_metronome {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t format:2; /**< Format */
uint8_t addrs:2; /**< Address */
uint8_t channel:4; /**< Channel */
uint8_t status_bank; /**< Status Bank */
uint8_t status; /**< Status */
uint8_t clocks_primary; /**< Num clocks per primary clock */
uint8_t bar_accent_1; /**< Bar accent part 1 */
uint8_t bar_accent_2; /**< Bar accent part 2 */
uint8_t bar_accent_3; /**< Bar accent part 3 */
uint8_t subdivision_1; /**< Num subdivision clicks 1 */
uint8_t subdivision_2; /**< Num subdivision clicks 1 */
uint16_t reserved1; /**< Unused */
uint32_t reserved2; /**< Unused */
#else
uint8_t status; /**< Status */
uint8_t status_bank; /**< Status Bank */
uint8_t channel:4; /**< Channel */
uint8_t addrs:2; /**< Address */
uint8_t format:2; /**< Format */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
uint8_t bar_accent_3; /**< Bar accent part 3 */
uint8_t bar_accent_2; /**< Bar accent part 2 */
uint8_t bar_accent_1; /**< Bar accent part 1 */
uint8_t clocks_primary; /**< Num clocks per primary clock */
uint16_t reserved1; /**< Unused */
uint8_t subdivision_2; /**< Num subdivision clicks 1 */
uint8_t subdivision_1; /**< Num subdivision clicks 1 */
uint32_t reserved2; /**< Unused */
#endif
} __attribute((packed)) snd_ump_msg_set_metronome_t;
/** Set Key Signature Message (128bit) */
typedef struct _snd_ump_msg_set_key_sig {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t format:2; /**< Format */
uint8_t addrs:2; /**< Address */
uint8_t channel:4; /**< Channel */
uint8_t status_bank; /**< Status Bank */
uint8_t status; /**< Status */
uint8_t sharps_flats:4; /**< Sharps/Flats */
uint8_t tonic_note:4; /**< Tonic Note 1 */
uint8_t reserved1[3]; /**< Unused */
uint32_t reserved2[2]; /**< Unused */
#else
uint8_t status; /**< Status */
uint8_t status_bank; /**< Status Bank */
uint8_t channel:4; /**< Channel */
uint8_t addrs:2; /**< Address */
uint8_t format:2; /**< Format */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
uint8_t reserved1[3]; /**< Unused */
uint8_t tonic_note:4; /**< Tonic Note */
uint8_t sharps_flats:4; /**< Sharps/Flats */
uint32_t reserved2[2]; /**< Unused */
#endif
} __attribute((packed)) snd_ump_msg_set_key_sig_t;
/** Set Chord Name Message (128bit) */
typedef struct _snd_ump_msg_set_chord_name {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t format:2; /**< Format */
uint8_t addrs:2; /**< Address */
uint8_t channel:4; /**< Channel */
uint8_t status_bank; /**< Status Bank */
uint8_t status; /**< Status */
uint8_t tonic_sharp:4; /**< Tonic Sharps/Flats */
uint8_t chord_tonic:4; /**< Chord Tonic Note */
uint8_t chord_type; /**< Chord Type */
uint8_t alter1_type:4; /**< Alteration 1 Type */
uint8_t alter1_degree:4; /**< Alteration 1 Degree */
uint8_t alter2_type:4; /**< Alteration 2 Type */
uint8_t alter2_degree:4; /**< Alteration 2 Degree */
uint8_t alter3_type:4; /**< Alteration 3 Type */
uint8_t alter3_degree:4; /**< Alteration 3 Degree */
uint8_t alter4_type:4; /**< Alteration 4 Type */
uint8_t alter4_degree:4; /**< Alteration 4 Degree */
uint16_t reserved; /**< Unused */
uint8_t bass_sharp:4; /**< Bass Sharps/Flats */
uint8_t bass_note:4; /**< Bass Note */
uint8_t bass_type; /**< Bass Chord Type */
uint8_t bass_alter1_type:4; /**< Bass Alteration 1 Type */
uint8_t bass_alter1_degree:4; /**< Bass Alteration 1 Degree */
uint8_t bass_alter2_type:4; /**< Bass Alteration 2 Type */
uint8_t bass_alter2_degree:4; /**< Bass Alteration 2 Degree */
#else
uint8_t status; /**< Status */
uint8_t status_bank; /**< Status Bank */
uint8_t channel:4; /**< Channel */
uint8_t addrs:2; /**< Address */
uint8_t format:2; /**< Format */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
uint8_t alter2_degree:4; /**< Alteration 2 Degree */
uint8_t alter2_type:4; /**< Alteration 2 Type */
uint8_t alter1_degree:4; /**< Alteration 1 Degree */
uint8_t alter1_type:4; /**< Alteration 1 Type */
uint8_t chord_type; /**< Chord Type */
uint8_t chord_tonic:4; /**< Chord Tonic Note */
uint8_t tonic_sharp:4; /**< Tonic Sharps/Flats */
uint16_t reserved; /**< Unused */
uint8_t alter4_degree:4; /**< Alteration 4 Degree */
uint8_t alter4_type:4; /**< Alteration 4 Type */
uint8_t alter3_degree:4; /**< Alteration 3 Degree */
uint8_t alter3_type:4; /**< Alteration 3 Type */
uint8_t bass_alter2_degree:4; /**< Bass Alteration 2 Degree */
uint8_t bass_alter2_type:4; /**< Bass Alteration 2 Type */
uint8_t bass_alter1_degree:4; /**< Bass Alteration 1 Degree */
uint8_t bass_alter1_type:4; /**< Bass Alteration 1 Type */
uint8_t bass_type; /**< Bass Chord Type */
uint8_t bass_note:4; /**< Bass Note */
uint8_t bass_sharp:4; /**< Bass Sharps/Flats */
#endif
} __attribute((packed)) snd_ump_msg_set_chord_name_t;
/** Flex Data Message (128bit) */
typedef union _snd_ump_msg_flex_data {
snd_ump_msg_flex_data_meta_t meta; /**< Metadata */
snd_ump_msg_flex_data_meta_t text; /**< Text data */
snd_ump_msg_set_tempo_t set_tempo; /**< Set Tempo */
snd_ump_msg_set_time_sig_t set_time_sig; /**< Set Time Signature */
snd_ump_msg_set_metronome_t set_metronome; /**< Set Metronome */
snd_ump_msg_set_key_sig_t set_key_sig; /**< Set Key Signature */
snd_ump_msg_set_chord_name_t set_chord_name; /**< Set Chord Name */
snd_ump_msg_hdr_t hdr; /**< UMP header */
uint32_t raw[4]; /**< raw UMP packet */
} snd_ump_msg_flex_data_t;
/** Mixed Data Set Chunk Header Message (128bit) */
typedef struct _snd_ump_msg_mixed_data_header {
#ifdef __BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t status:4; /**< Status */
uint8_t mds_id:4; /**< Mixed Data Set ID */
uint16_t bytes; /**< Number of valid bytes in this chunk */
uint16_t chunks; /**< Number of chunks in mixed data set */
uint16_t chunk; /**< Number of this chunk */
uint16_t manufacturer; /**< Manufacturer ID */
uint16_t device; /**< Device ID */
uint16_t sub_id_1; /**< Sub ID \# 1 */
uint16_t sub_id_2; /**< Sub ID \# 2 */
#else
uint16_t bytes; /**< Number of valid bytes in this chunk */
uint8_t mds_id:4; /**< Mixed Data Set ID */
uint8_t status:4; /**< Status */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
uint16_t chunk; /**< Number of this chunk */
uint16_t chunks; /**< Number of chunks in mixed data set */
uint16_t device; /**< Device ID */
uint16_t manufacturer; /**< Manufacturer ID */
uint16_t sub_id_2; /**< Sub ID \# 2 */
uint16_t sub_id_1; /**< Sub ID \# 1 */
#endif
} snd_ump_msg_mixed_data_header_t;
/** Mixed Data Set Chunk Payload Message (128bit) */
typedef struct _snd_ump_msg_mixed_data_payload {
#ifdef __BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t status:4; /**< Status */
uint8_t mds_id:4; /**< Mixed Data Set ID */
uint16_t payload1; /**< Payload */
uint32_t payloads[3]; /**< Payload */
#else
uint16_t payload1; /**< Payload */
uint8_t mds_id:4; /**< Mixed Data Set ID */
uint8_t status:4; /**< Status */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
uint32_t payloads[3]; /**< Payload */
#endif
} snd_ump_msg_mixed_data_payload_t;
/** Mixed Data Set Chunk Message (128bit) */
typedef union _snd_ump_msg_mixed_data {
snd_ump_msg_mixed_data_header_t header; /**< Header */
snd_ump_msg_mixed_data_payload_t payload; /**< Payload */
uint32_t raw[4]; /**< raw UMP packet */
} snd_ump_msg_mixed_data_t;
/** Jitter Reduction Clock / Timestamp Message (32bit) */
typedef struct _snd_ump_msg_jr_clock {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t status:4; /**< Status */
uint8_t reserved:4; /**< Unused */
uint16_t time; /**< clock time / timestamp */
#else
uint16_t time; /**< clock time / timestamp */
uint8_t reserved:4; /**< Unused */
uint8_t status:4; /**< Status */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
#endif
} __attribute((packed)) snd_ump_msg_jr_clock_t;
/** Delta Clockstamp Ticks Per Quarter Note (DCTPQ) (32bit) */
typedef struct _snd_ump_msg_dctpq {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint8_t type:4; /**< UMP packet type */
uint8_t group:4; /**< UMP Group */
uint8_t status:4; /**< Status */
uint8_t reserved:4; /**< Unused */
uint16_t ticks; /**< number of ticks per quarter note */
#else
uint16_t ticks; /**< number of ticks per quarter note */
uint8_t reserved:4; /**< Unused */
uint8_t status:4; /**< Status */
uint8_t group:4; /**< UMP Group */
uint8_t type:4; /**< UMP packet type */
#endif
} __attribute((packed)) snd_ump_msg_dctpq_t;
/** Delta Clockstamp (DC) (32bit) */
typedef struct _snd_ump_msg_dc {
#ifdef SNDRV_BIG_ENDIAN_BITFIELD
uint32_t type:4; /**< UMP packet type */
uint32_t group:4; /**< UMP Group */
uint32_t status:4; /**< Status */
uint32_t ticks:20; /**< number of ticks since last event */
#else
uint32_t ticks:20; /**< number of ticks since last event */
uint32_t status:4; /**< Status */
uint32_t group:4; /**< UMP Group */
uint32_t type:4; /**< UMP packet type */
#endif
} __attribute((packed)) snd_ump_msg_dc_t;
/** Utility Message (32bit) */
typedef union _snd_ump_msg_utility {
snd_ump_msg_jr_clock_t jr_clock; /**< JR Clock messages */
snd_ump_msg_dctpq_t dctpq; /**< DCTPQ message */
snd_ump_msg_dc_t dc; /**< DC message */
snd_ump_msg_hdr_t hdr; /**< UMP header */
uint32_t raw; /**< raw UMP packet */
} snd_ump_msg_utility_t;
/**
* UMP message type
*/
enum {
SND_UMP_MSG_TYPE_UTILITY = 0x00, /* Utility messages */
SND_UMP_MSG_TYPE_SYSTEM = 0x01, /* System messages */
SND_UMP_MSG_TYPE_MIDI1_CHANNEL_VOICE = 0x02, /* MIDI 1.0 messages */
SND_UMP_MSG_TYPE_DATA = 0x03, /* 7bit SysEx messages */
SND_UMP_MSG_TYPE_MIDI2_CHANNEL_VOICE = 0x04, /* MIDI 2.0 messages */
SND_UMP_MSG_TYPE_EXTENDED_DATA = 0x05, /* 8bit data message */
SND_UMP_MSG_TYPE_FLEX_DATA = 0x0d, /* Flexible data messages */
SND_UMP_MSG_TYPE_STREAM = 0x0f, /* Stream messages */
};
/**
* UMP MIDI 1.0 / 2.0 message status code (4bit)
*/
enum {
SND_UMP_MSG_PER_NOTE_RCC = 0x0,
SND_UMP_MSG_PER_NOTE_ACC = 0x1,
SND_UMP_MSG_RPN = 0x2,
SND_UMP_MSG_NRPN = 0x3,
SND_UMP_MSG_RELATIVE_RPN = 0x4,
SND_UMP_MSG_RELATIVE_NRPN = 0x5,
SND_UMP_MSG_PER_NOTE_PITCHBEND = 0x6,
SND_UMP_MSG_NOTE_OFF = 0x8,
SND_UMP_MSG_NOTE_ON = 0x9,
SND_UMP_MSG_POLY_PRESSURE = 0xa,
SND_UMP_MSG_CONTROL_CHANGE = 0xb,
SND_UMP_MSG_PROGRAM_CHANGE = 0xc,
SND_UMP_MSG_CHANNEL_PRESSURE = 0xd,
SND_UMP_MSG_PITCHBEND = 0xe,
SND_UMP_MSG_PER_NOTE_MGMT = 0xf,
};
/**
* MIDI System / Realtime message status code (8bit)
*/
enum {
SND_UMP_MSG_REALTIME = 0xf0, /* mask */
SND_UMP_MSG_SYSEX_START = 0xf0,
SND_UMP_MSG_MIDI_TIME_CODE = 0xf1,
SND_UMP_MSG_SONG_POSITION = 0xf2,
SND_UMP_MSG_SONG_SELECT = 0xf3,
SND_UMP_MSG_TUNE_REQUEST = 0xf6,
SND_UMP_MSG_SYSEX_END = 0xf7,
SND_UMP_MSG_TIMING_CLOCK = 0xf8,
SND_UMP_MSG_START = 0xfa,
SND_UMP_MSG_CONTINUE = 0xfb,
SND_UMP_MSG_STOP = 0xfc,
SND_UMP_MSG_ACTIVE_SENSING = 0xfe,
SND_UMP_MSG_RESET = 0xff,
};
/** MIDI 2.0 SysEx / Data Status; same values for both 7-bit and 8-bit SysEx */
enum {
SND_UMP_SYSEX_STATUS_SINGLE = 0,
SND_UMP_SYSEX_STATUS_START = 1,
SND_UMP_SYSEX_STATUS_CONTINUE = 2,
SND_UMP_SYSEX_STATUS_END = 3,
};
/** MIDI 2.0 Mixed Data Set Status */
enum {
SND_UMP_MIXED_DATA_SET_STATUS_HEADER = 8,
SND_UMP_MIXED_DATA_SET_STATUS_PAYLOAD = 9,
};
/** UMP Utility Type Status (type 0x0) **/
enum {
SND_UMP_UTILITY_MSG_STATUS_NOOP = 0x00,
SND_UMP_UTILITY_MSG_STATUS_JR_CLOCK = 0x01,
SND_UMP_UTILITY_MSG_STATUS_JR_TSTAMP = 0x02,
SND_UMP_UTILITY_MSG_STATUS_DCTPQ = 0x03,
SND_UMP_UTILITY_MSG_STATUS_DC = 0x04,
};
/** UMP Stream Message Status (type 0xf) */
enum {
SND_UMP_STREAM_MSG_STATUS_EP_DISCOVERY = 0x00,
SND_UMP_STREAM_MSG_STATUS_EP_INFO = 0x01,
SND_UMP_STREAM_MSG_STATUS_DEVICE_INFO = 0x02,
SND_UMP_STREAM_MSG_STATUS_EP_NAME = 0x03,
SND_UMP_STREAM_MSG_STATUS_PRODUCT_ID = 0x04,
SND_UMP_STREAM_MSG_STATUS_STREAM_CFG_REQUEST = 0x05,
SND_UMP_STREAM_MSG_STATUS_STREAM_CFG = 0x06,
SND_UMP_STREAM_MSG_STATUS_FB_DISCOVERY = 0x10,
SND_UMP_STREAM_MSG_STATUS_FB_INFO = 0x11,
SND_UMP_STREAM_MSG_STATUS_FB_NAME = 0x12,
SND_UMP_STREAM_MSG_STATUS_START_CLIP = 0x20,
SND_UMP_STREAM_MSG_STATUS_END_CLIP = 0x21,
};
/** UMP Endpoint Discovery filter bitmap */
enum {
SND_UMP_STREAM_MSG_REQUEST_EP_INFO = (1U << 0),
SND_UMP_STREAM_MSG_REQUEST_DEVICE_INFO = (1U << 1),
SND_UMP_STREAM_MSG_REQUEST_EP_NAME = (1U << 2),
SND_UMP_STREAM_MSG_REQUEST_PRODUCT_ID = (1U << 3),
SND_UMP_STREAM_MSG_REQUEST_STREAM_CFG = (1U << 4),
};
/** UMP Function Block Discovery filter bitmap */
enum {
SND_UMP_STREAM_MSG_REQUEST_FB_INFO = (1U << 0),
SND_UMP_STREAM_MSG_REQUEST_FB_NAME = (1U << 1),
};
/** UMP Endpoint Info capability bits (used for protocol request/notify, too) */
enum {
SND_UMP_STREAM_MSG_EP_INFO_CAP_TXJR = (1U << 0), /* Sending JRTS */
SND_UMP_STREAM_MSG_EP_INFO_CAP_RXJR = (1U << 1), /* Receiving JRTS */
SND_UMP_STREAM_MSG_EP_INFO_CAP_MIDI1 = (1U << 8), /* MIDI 1.0 */
SND_UMP_STREAM_MSG_EP_INFO_CAP_MIDI2 = (1U << 9), /* MIDI 2.0 */
};
/** UMP Endpoint / Function Block name string format bits */
enum {
SND_UMP_STREAM_MSG_FORMAT_SINGLE = 0,
SND_UMP_STREAM_MSG_FORMAT_START = 1,
SND_UMP_STREAM_MSG_FORMAT_CONTINUE = 2,
SND_UMP_STREAM_MSG_FORMAT_END = 3,
};
/** UMP Flex Data Format bits */
enum {
SND_UMP_FLEX_DATA_MSG_FORMAT_SINGLE = 0,
SND_UMP_FLEX_DATA_MSG_FORMAT_START = 1,
SND_UMP_FLEX_DATA_MSG_FORMAT_CONTINUE = 2,
SND_UMP_FLEX_DATA_MSG_FORMAT_END = 3,
};
/** UMP Flex Data Address bits */
enum {
SND_UMP_FLEX_DATA_MSG_ADDR_CHANNEL = 0,
SND_UMP_FLEX_DATA_MSG_ADDR_GROUP = 1,
};
/** UMP Flex Data Status Bank bits */
enum {
SND_UMP_FLEX_DATA_MSG_BANK_SETUP = 0,
SND_UMP_FLEX_DATA_MSG_BANK_METADATA = 1,
SND_UMP_FLEX_DATA_MSG_BANK_PERF_TEXT = 2,
};
/** UMP Flex Data Status bits for Setup (Status Bank = 0) */
enum {
SND_UMP_FLEX_DATA_MSG_STATUS_SET_TEMPO = 0x00,
SND_UMP_FLEX_DATA_MSG_STATUS_SET_TIME_SIGNATURE = 0x01,
SND_UMP_FLEX_DATA_MSG_STATUS_SET_METRONOME = 0x02,
SND_UMP_FLEX_DATA_MSG_STATUS_SET_KEY_SIGNATURE = 0x05,
SND_UMP_FLEX_DATA_MSG_STATUS_SET_CHORD_NAME = 0x06,
};
/** UMP Flex Data Status bits for Metadata (Status Bank = 1) */
enum {
SND_UMP_FLEX_DATA_MSG_STATUS_PROJECT_NAME = 0x01,
SND_UMP_FLEX_DATA_MSG_STATUS_SONG_NAME = 0x02,
SND_UMP_FLEX_DATA_MSG_STATUS_MIDI_CLIP_NAME = 0x03,
SND_UMP_FLEX_DATA_MSG_STATUS_COPYRIGHT_NOTICE = 0x04,
SND_UMP_FLEX_DATA_MSG_STATUS_COMPOSER_NAME = 0x05,
SND_UMP_FLEX_DATA_MSG_STATUS_LYRICIST_NAME = 0x06,
SND_UMP_FLEX_DATA_MSG_STATUS_ARRANGER_NAME = 0x07,
SND_UMP_FLEX_DATA_MSG_STATUS_PUBLISHER_NAME = 0x08,
SND_UMP_FLEX_DATA_MSG_STATUS_PRIMARY_PERFORMER = 0x09,
SND_UMP_FLEX_DATA_MSG_STATUS_ACCOMPANY_PERFORMAER = 0x0a,
SND_UMP_FLEX_DATA_MSG_STATUS_RECORDING_DATE = 0x0b,
SND_UMP_FLEX_DATA_MSG_STATUS_RECORDING_LOCATION = 0x0c,
};
/** UMP Flex Data Status bits for Performance Text Events (Status Bank = 2) */
enum {
SND_UMP_FLEX_DATA_MSG_STATUS_LYRICS = 0x01,
SND_UMP_FLEX_DATA_MSG_STATUS_LYRICS_LANGUAGE = 0x02,
SND_UMP_FLEX_DATA_MSG_STATUS_RUBY = 0x03,
SND_UMP_FLEX_DATA_MSG_STATUS_RUBY_LANGUAGE = 0x04,
};
/**
* \brief get UMP status (4bit) from 32bit UMP message header
*/
static inline uint8_t snd_ump_msg_hdr_status(uint32_t ump)
{
return (ump >> 20) & 0x0f;
}
/**
* \brief get UMP channel (4bit) from 32bit UMP message header
*/
static inline uint8_t snd_ump_msg_hdr_channel(uint32_t ump)
{
return (ump >> 16) & 0x0f;
}
/**
* \brief get UMP message type (4bit) from 32bit UMP message header
*/
static inline uint8_t snd_ump_msg_hdr_type(uint32_t ump)
{
return (ump >> 28);
}
/**
* \brief check if the given UMP type is a groupless message
*/
static inline int snd_ump_msg_type_is_groupless(uint8_t type)
{
return type == SND_UMP_MSG_TYPE_UTILITY || type == SND_UMP_MSG_TYPE_STREAM;
}
/**
* \brief get UMP group (4bit) from 32bit UMP message header
*/
static inline uint8_t snd_ump_msg_hdr_group(uint32_t ump)
{
return (ump >> 24) & 0x0f;
}
/**
* \brief get UMP status from UMP packet pointer
*/
static inline uint8_t snd_ump_msg_status(const uint32_t *ump)
{
return snd_ump_msg_hdr_status(*ump);
}
/**
* \brief get UMP channel from UMP packet pointer
*/
static inline uint8_t snd_ump_msg_channel(const uint32_t *ump)
{
return snd_ump_msg_hdr_channel(*ump);
}
/**
* \brief get UMP message type from UMP packet pointer
*/
static inline uint8_t snd_ump_msg_type(const uint32_t *ump)
{
return snd_ump_msg_hdr_type(*ump);
}
/**
* \brief get UMP group from UMP packet pointer
*/
static inline uint8_t snd_ump_msg_group(const uint32_t *ump)
{
return snd_ump_msg_hdr_group(*ump);
}
/**
* \brief get UMP sysex message status
*/
static inline uint8_t snd_ump_sysex_msg_status(const uint32_t *ump)
{
return (*ump >> 20) & 0xf;
}
/**
* \brief get UMP sysex message length
*/
static inline uint8_t snd_ump_sysex_msg_length(const uint32_t *ump)
{
return (*ump >> 16) & 0xf;
}
/**
* \brief extract one byte from a UMP packet
*/
static inline uint8_t snd_ump_get_byte(const uint32_t *ump, unsigned int offset)
{
#ifdef SNDRV_BIG_ENDIAN
return ((const uint8_t *)ump)[offset];
#else
return ((const uint8_t *)ump)[(offset & ~3) | (3 - (offset & 3))];
#endif
}
int snd_ump_msg_sysex_expand(const uint32_t *ump, uint8_t *buf, size_t maxlen,
size_t *filled);
int snd_ump_packet_length(unsigned int type);
#ifdef __cplusplus
}
#endif
#endif /* __ALSA_UMP_MSG_H */