midi_driver.c File Reference

#include <string.h>
#include <string/stdstring.h>
#include <lists/string_list.h>
#include <retro_miscellaneous.h>
#include "../configuration.h"
#include "../verbosity.h"
#include "midi_driver.h"

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Macros
#define	MIDI_DRIVER_BUF_SIZE   4096

Functions
static midi_driver_t *	midi_driver_find_driver (const char *ident)
const void *	midi_driver_find_handle (int index)
const char *	midi_driver_find_ident (int index)
struct string_list *	midi_driver_get_avail_inputs (void)
struct string_list *	midi_driver_get_avail_outputs (void)
bool	midi_driver_set_all_sounds_off (void)
bool	midi_driver_set_volume (unsigned volume)
bool	midi_driver_init_io_buffers (void)
bool	midi_driver_init (void)
void	midi_driver_free (void)
bool	midi_driver_set_input (const char *input)
bool	midi_driver_set_output (const char *output)
bool	midi_driver_input_enabled (void)
bool	midi_driver_output_enabled (void)
bool	midi_driver_read (uint8_t *byte)
bool	midi_driver_write (uint8_t byte, uint32_t delta_time)
bool	midi_driver_flush (void)
size_t	midi_driver_get_event_size (uint8_t status)

Variables
midi_driver_t	midi_null
midi_driver_t	midi_winmm
midi_driver_t	midi_alsa
static midi_driver_t *	midi_drivers []
static midi_driver_t *	midi_drv = &midi_null
static void *	midi_drv_data
static struct string_list *	midi_drv_inputs
static struct string_list *	midi_drv_outputs
static bool	midi_drv_input_enabled
static bool	midi_drv_output_enabled
static uint8_t *	midi_drv_input_buffer
static uint8_t *	midi_drv_output_buffer
static midi_event_t	midi_drv_input_event
static midi_event_t	midi_drv_output_event
static bool	midi_drv_output_pending
static const uint8_t	midi_drv_ev_sizes [128]

Macro Definition Documentation

MIDI_DRIVER_BUF_SIZE

#define MIDI_DRIVER_BUF_SIZE   4096

Function Documentation

midi_driver_find_driver()

static midi_driver_t* midi_driver_find_driver ( const char *  ident )

static

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midi_driver_find_handle()

const void* midi_driver_find_handle

(

int

index

)

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midi_driver_find_ident()

const char* midi_driver_find_ident

(

int

index

)

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midi_driver_flush()

bool midi_driver_flush

(

void

)

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midi_driver_free()

void midi_driver_free

(

void

)

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midi_driver_get_avail_inputs()

struct string_list* midi_driver_get_avail_inputs

(

void

)

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midi_driver_get_avail_outputs()

struct string_list* midi_driver_get_avail_outputs

(

void

)

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midi_driver_get_event_size()

size_t midi_driver_get_event_size

(

uint8_t

status

)

midi_driver_get_event_size: This is a convenience function for finding out the size of the event based on the status byte.

: Status (first) byte of the event.

Returns: Size of the event (in bytes). If 'status' argument is invalid (< 0x80) or 'status' represents start of the "SysEx" event (0xF0) this function will return 0.

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midi_driver_init()

bool midi_driver_init

(

void

)

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midi_driver_init_io_buffers()

bool midi_driver_init_io_buffers

(

void

)

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midi_driver_input_enabled()

bool midi_driver_input_enabled

(

void

)

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midi_driver_output_enabled()

bool midi_driver_output_enabled

(

void

)

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midi_driver_read()

bool midi_driver_read

(

uint8_t *

byte

)

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midi_driver_set_all_sounds_off()

bool midi_driver_set_all_sounds_off

(

void

)

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midi_driver_set_input()

bool midi_driver_set_input

(

const char *

input

)

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midi_driver_set_output()

bool midi_driver_set_output

(

const char *

output

)

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midi_driver_set_volume()

bool midi_driver_set_volume

(

unsigned

volume

)

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midi_driver_write()

bool midi_driver_write	(	uint8_t	byte,
		uint32_t	delta_time
	)

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Variable Documentation

midi_alsa

midi_driver_t midi_alsa

midi_drivers

midi_driver_t* midi_drivers[]

static

Initial value:

= {






   &midi_null
}

midi_drv

midi_driver_t* midi_drv = &midi_null

static

midi_drv_data

void* midi_drv_data

static

midi_drv_ev_sizes

const uint8_t midi_drv_ev_sizes[128]

static

Initial value:

=
{
   3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
   3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
   3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
   3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
   2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
   2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
   3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
   0, 2, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
}

midi_drv_input_buffer

uint8_t* midi_drv_input_buffer

static

midi_drv_input_enabled

bool midi_drv_input_enabled

static

midi_drv_input_event

midi_event_t midi_drv_input_event

static

midi_drv_inputs

struct string_list* midi_drv_inputs

static

midi_drv_output_buffer

uint8_t* midi_drv_output_buffer

static

midi_drv_output_enabled

bool midi_drv_output_enabled

static

midi_drv_output_event

midi_event_t midi_drv_output_event

static

midi_drv_output_pending

bool midi_drv_output_pending

static

midi_drv_outputs

struct string_list* midi_drv_outputs

static

midi_null

midi_driver_t midi_null

midi_winmm

midi_driver_t midi_winmm