KT25-0812_82A-UART/cpu/br25/audio_dec/audio_dec_midi_file.c

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2025-08-12 10:09:23 +00:00
/*
****************************************************************
*File : audio_dec_midi_file.c
*Note :
*
****************************************************************
*/
//////////////////////////////////////////////////////////////////////////////
#include "asm/includes.h"
#include "media/includes.h"
#include "system/includes.h"
#include "effectrs_sync.h"
#include "app_config.h"
#include "audio_config.h"
#include "audio_dec.h"
#include "app_config.h"
#include "app_main.h"
#include "MIDI_DEC_API.h"
#include "audio_dec_file.h"
#if TCFG_APP_MUSIC_EN
#if TCFG_DEC_MIDI_ENABLE
u32 tmark_trigger(void *priv, u8 *val, u8 len)
{
return 0;
}
u32 melody_trigger(void *priv, u8 key, u8 vel)
{
return 0;
}
u32 timDiv_trigger(void *priv)
{
return 0;
}
u32 beat_trigger(void *priv, u8 val1/*一节多少拍*/, u8 val2/*每拍多少分音符*/)
{
return 0;
}
/*----------------------------------------------------------------------------*/
/**@brief midi音色文件读
@param
@return
@note
*/
/*----------------------------------------------------------------------------*/
int midi_fread(void *file, void *buf, u32 len)
{
FILE *hd = (FILE *)file;
if (hd) {
len = fread(hd, buf, len);
}
return len;
}
/*----------------------------------------------------------------------------*/
/**@brief midi音色文件seek
@param
@return
@note
*/
/*----------------------------------------------------------------------------*/
int midi_fseek(void *file, u32 offset, int seek_mode)
{
FILE *hd = (FILE *)file;
if (hd) {
fseek(hd, offset, seek_mode);
}
return 0;
}
/*----------------------------------------------------------------------------*/
/**@brief midi初始化函数由midi_init调用
@param midi_init_info_v:midi信息
@param addr:
@return
@note
*/
/*----------------------------------------------------------------------------*/
void init_midi_info_val(MIDI_INIT_STRUCT *midi_init_info_v, u8 *addr)
{
//midi初始化表
midi_init_info_v->init_info.player_t = 8;
midi_init_info_v->init_info.sample_rate = 4;
midi_init_info_v->init_info.spi_pos = (u32)addr;
midi_init_info_v->init_info.fread = midi_fread;
midi_init_info_v->init_info.fseek = midi_fseek,
//midi的模式初始化
midi_init_info_v->mode_info.mode = 0; //CMD_MIDI_CTRL_MODE_2;
/* midi_init_info_v->mode_info.mode = 1;//CMD_MIDI_CTRL_MODE_2; */
//midi节奏初始化
midi_init_info_v->tempo_info.tempo_val = 1042;
midi_init_info_v->tempo_info.decay_val = ((u16)31 << 11) | 1024;
midi_init_info_v->tempo_info.mute_threshold = (u16)1L << 29;
//midi主轨道初始化
midi_init_info_v->mainTrack_info.chn = 17; //把哪个轨道当成主轨道
//midi外部音量初始化
{
u32 tmp_i;
for (tmp_i = 0; tmp_i < 16; tmp_i++) {
midi_init_info_v->vol_info.cc_vol[tmp_i] = 4096; //4096即原来的音量
}
}
//midi的主轨道乐器设置
midi_init_info_v->prog_info.prog = 0;
midi_init_info_v->prog_info.ex_vol = 1024;
midi_init_info_v->prog_info.replace_mode = 0;
//midi的mark控制初始化
midi_init_info_v->mark_info.priv = NULL; //&file_mark;
midi_init_info_v->mark_info.mark_trigger = tmark_trigger;
//midi的melody控制初始化
midi_init_info_v->moledy_info.priv = NULL; //&file_melody;
midi_init_info_v->moledy_info.melody_trigger = melody_trigger;
//midi的小节回调控制初始化
midi_init_info_v->tmDiv_info.priv = NULL;
midi_init_info_v->tmDiv_info.timeDiv_trigger = timDiv_trigger;
//midi的小拍回调控制初始化
midi_init_info_v->beat_info.priv = NULL;
midi_init_info_v->beat_info.beat_trigger = beat_trigger;
//使能位控制
midi_init_info_v->switch_info = MELODY_PLAY_ENABLE | MELODY_ENABLE | EX_VOL_ENABLE; //主轨道播放使能
return;
}
FILE *midi_file = NULL;
int midi_get_cfg_addr(u8 **addr)
{
//获取音色文件
/* FILE *file = fopen("storage/sd0/C/MIDI.bin\0", "r"); */
FILE *file = fopen(SDFILE_RES_ROOT_PATH"MIDI.bin\0", "r");
if (!file) {
log_e("MIDI.bin open err\n");
return -1;
}
*addr = file;
midi_file = file;
printf("midi_file %x\n", midi_file);
return 0;
}
/*----------------------------------------------------------------------------*/
/**@brief midi音色文件关闭
@param
@return
@note midi关闭时调用,
*/
/*----------------------------------------------------------------------------*/
int midi_uninit()
{
if (midi_file) {
fclose(midi_file);
midi_file = NULL;
}
return 0;
}
/*----------------------------------------------------------------------------*/
/**@brief midi初始化函数该函数由库调用
@param
@return 0
@note
*/
/*----------------------------------------------------------------------------*/
int midi_init(void *info)
{
u8 *cache_addr;
if (midi_get_cfg_addr(&cache_addr)) {
log_e("get midi addr err\n");
return -1;
}
//初始化midi参数
init_midi_info_val(info, cache_addr); //需要外部写
return 0;
}
/*----------------------------------------------------------------------------*/
/**@brief midi初始化函数该函数由库调用
@param cmd:CMD_MIDI_SEEK_BACK_N,CMD_MIDI_SET_CHN_PROG,CMD_MIDI_CTRL_TEMPO,CMD_MIDI_GOON,CMD_MIDI_CTRL_MODE,CMD_MIDI_SET_SWITCH,CMD_MIDI_SET_EX_VOL,CMD_INIT_CONFIG
@param priv:cmd的参数地址
@return 0
@note
*/
/*----------------------------------------------------------------------------*/
void midi_ioctrl(u32 cmd, void *priv)
{
struct file_dec_hdl *dec = get_file_dec_hdl(); // 文件解码句柄
if (dec) {
log_e("file dec NULL\n");
return ;
}
int status = file_dec_get_status();
if (status == FILE_DEC_STATUS_STOP) {
log_w("file dec is stop\n");
return ;
}
log_i("midi cmd %x", cmd);
audio_decoder_ioctrl(&dec->file_dec.decoder, cmd, priv);
}
#if 0
//测试例子
void *ex_vol_test()
{
static int val = 4096;
EX_CH_VOL_PARM ex_vol;
for (int test_ci = 0; test_ci < CTRL_CHANNEL_NUM; test_ci++) {
ex_vol.cc_vol[test_ci] = val;
}
val -= 64;
if (val <= 0) {
val = 4096;
}
midi_ioctrl(CMD_MIDI_SET_EX_VOL, &ex_vol);
return NULL;
}
#endif
#endif /*TCFG_DEC_MIDI_ENABLE*/
#endif /*TCFG_APP_MUSIC_EN*/