mirror of
https://github.com/libretro/RetroArch.git
synced 2024-12-04 06:11:17 +00:00
77 lines
2.6 KiB
C
77 lines
2.6 KiB
C
|
|
/* ibxm/ac mod/xm/s3m replay (c)mumart@gmail.com */
|
|
|
|
#ifndef __IBXM_H__
|
|
#define __IBXM_H__
|
|
|
|
extern const char *IBXM_VERSION;
|
|
|
|
struct data {
|
|
char *buffer;
|
|
int length;
|
|
};
|
|
|
|
struct sample {
|
|
char name[ 32 ];
|
|
int loop_start, loop_length;
|
|
short volume, panning, rel_note, fine_tune, *data;
|
|
};
|
|
|
|
struct envelope {
|
|
char enabled, sustain, looped, num_points;
|
|
short sustain_tick, loop_start_tick, loop_end_tick;
|
|
short points_tick[ 16 ], points_ampl[ 16 ];
|
|
};
|
|
|
|
struct instrument {
|
|
int num_samples, vol_fadeout;
|
|
char name[ 32 ], key_to_sample[ 97 ];
|
|
char vib_type, vib_sweep, vib_depth, vib_rate;
|
|
struct envelope vol_env, pan_env;
|
|
struct sample *samples;
|
|
};
|
|
|
|
struct pattern {
|
|
int num_channels, num_rows;
|
|
char *data;
|
|
};
|
|
|
|
struct module {
|
|
char name[ 32 ];
|
|
int num_channels, num_instruments;
|
|
int num_patterns, sequence_len, restart_pos;
|
|
int default_gvol, default_speed, default_tempo, c2_rate, gain;
|
|
int linear_periods, fast_vol_slides;
|
|
unsigned char *default_panning, *sequence;
|
|
struct pattern *patterns;
|
|
struct instrument *instruments;
|
|
};
|
|
|
|
/* Allocate and initialize a module from the specified data, returns NULL on error.
|
|
Message must point to a 64-character buffer to receive error messages. */
|
|
struct module* module_load( struct data *data, char *message );
|
|
/* Deallocate the specified module. */
|
|
void dispose_module( struct module *module );
|
|
/* Allocate and initialize a replay with the specified module and sampling rate. */
|
|
struct replay* new_replay( struct module *module, int sample_rate, int interpolation );
|
|
/* Deallocate the specified replay. */
|
|
void dispose_replay( struct replay *replay );
|
|
/* Returns the song duration in samples at the current sampling rate. */
|
|
int replay_calculate_duration( struct replay *replay );
|
|
/* Seek to approximately the specified sample position.
|
|
The actual sample position reached is returned. */
|
|
int replay_seek( struct replay *replay, int sample_pos );
|
|
/* Set the pattern in the sequence to play. The tempo is reset to the default. */
|
|
void replay_set_sequence_pos( struct replay *replay, int pos );
|
|
/* Generates audio and returns the number of stereo samples written into mix_buf.
|
|
Individual channels may be excluded using the mute bitmask. */
|
|
int replay_get_audio( struct replay *replay, int *mix_buf, int mute );
|
|
/* Returns the currently playing pattern in the sequence.*/
|
|
int replay_get_sequence_pos( struct replay *replay );
|
|
/* Returns the currently playing row in the pattern. */
|
|
int replay_get_row( struct replay *replay );
|
|
/* Returns the length of the output buffer required by replay_get_audio(). */
|
|
int calculate_mix_buf_len( int sample_rate );
|
|
|
|
#endif
|