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include/ump_msg.h
1 135 строк
37 KB
Jaroslav Kysela
include/ump_msg.h: Fix endianness detection
02 фев 2025, 20:59
02 фев 2025, 20:59
a7de486
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/* 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 */ #if !defined(__ASOUNDLIB_H) && !defined(ALSA_LIBRARY_BUILD) /* don't use ALSA_LIBRARY_BUILD define in sources outside alsa-lib */ #warning "use #include <alsa/asoundlib.h>, <alsa/ump_msg.h> should not be used directly" #include <alsa/asoundlib.h> #endif #ifndef __ALSA_UMP_MSG_H #define __ALSA_UMP_MSG_H #ifdef __cplusplus extern "C" { #endif #if __BYTE_ORDER != __LITTLE_ENDIAN && __BYTE_ORDER != __BIG_ENDIAN #error "Endianness check failed!" #endif /** general UMP packet header in 32bit word */ typedef struct _snd_ump_msg_hdr { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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 { #if __BYTE_ORDER == __BIG_ENDIAN 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) { #if __BYTE_ORDER == __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 */