265 lines
7.5 KiB
C
265 lines
7.5 KiB
C
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/*
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****************************************************************
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*File : audio_dec_midi_file.c
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*Note :
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*
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****************************************************************
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*/
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//////////////////////////////////////////////////////////////////////////////
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#include "asm/includes.h"
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#include "media/includes.h"
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#include "system/includes.h"
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#include "effectrs_sync.h"
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#include "app_config.h"
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#include "audio_config.h"
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#include "audio_dec.h"
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#include "app_config.h"
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#include "app_main.h"
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#include "MIDI_DEC_API.h"
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#include "audio_dec_file.h"
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#if TCFG_APP_MUSIC_EN
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#if TCFG_DEC_MIDI_ENABLE
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u32 tmark_trigger(void *priv, u8 *val, u8 len)
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{
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return 0;
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}
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u32 melody_trigger(void *priv, u8 key, u8 vel)
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{
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return 0;
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}
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u32 timDiv_trigger(void *priv)
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{
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return 0;
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}
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u32 beat_trigger(void *priv, u8 val1/*一节多少拍*/, u8 val2/*每拍多少分音符*/)
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{
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return 0;
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}
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/*----------------------------------------------------------------------------*/
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/**@brief midi音色文件读
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@param
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@return
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@note 内部调用
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*/
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/*----------------------------------------------------------------------------*/
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int midi_fread(void *file, void *buf, u32 len)
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{
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#ifndef CONFIG_MIDI_DEC_ADDR
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FILE *hd = (FILE *)file;
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if (hd) {
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len = fread(hd, buf, len);
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}
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#endif
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return len;
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}
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/*----------------------------------------------------------------------------*/
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/**@brief midi音色文件seek
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@param
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@return
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@note 内部调用
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*/
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/*----------------------------------------------------------------------------*/
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int midi_fseek(void *file, u32 offset, int seek_mode)
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{
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#ifndef CONFIG_MIDI_DEC_ADDR
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FILE *hd = (FILE *)file;
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if (hd) {
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fseek(hd, offset, seek_mode);
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}
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#endif
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return 0;
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}
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/*----------------------------------------------------------------------------*/
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/**@brief midi初始化函数，由midi_init调用
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@param midi_init_info_v:midi信息
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@param addr:音色文件句柄
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@return
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@note
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*/
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/*----------------------------------------------------------------------------*/
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void init_midi_info_val(MIDI_INIT_STRUCT *midi_init_info_v, u8 *addr)
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{
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//midi初始化表
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midi_init_info_v->init_info.player_t = 8;
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midi_init_info_v->init_info.sample_rate = 4;
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midi_init_info_v->init_info.spi_pos = (u32)addr;
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midi_init_info_v->init_info.fread = midi_fread;
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midi_init_info_v->init_info.fseek = midi_fseek;
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//midi的模式初始化
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midi_init_info_v->mode_info.mode = 0; //CMD_MIDI_CTRL_MODE_2;
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/* midi_init_info_v->mode_info.mode = 1;//CMD_MIDI_CTRL_MODE_2; */
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//midi节奏初始化
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midi_init_info_v->tempo_info.tempo_val = 1042;
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midi_init_info_v->tempo_info.decay_val = ((u16)31 << 11) | 1024;
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midi_init_info_v->tempo_info.mute_threshold = (u16)1L << 29;
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//midi主轨道初始化
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midi_init_info_v->mainTrack_info.chn = 17; //把哪个轨道当成主轨道
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//midi外部音量初始化
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{
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u32 tmp_i;
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for (tmp_i = 0; tmp_i < 16; tmp_i++) {
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midi_init_info_v->vol_info.cc_vol[tmp_i] = 4096; //4096即原来的音量
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}
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}
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//midi的主轨道乐器设置
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midi_init_info_v->prog_info.prog = 0;
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midi_init_info_v->prog_info.ex_vol = 1024;
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midi_init_info_v->prog_info.replace_mode = 0;
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//midi的mark控制初始化
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midi_init_info_v->mark_info.priv = NULL; //&file_mark;
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midi_init_info_v->mark_info.mark_trigger = tmark_trigger;
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//midi的melody控制初始化
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midi_init_info_v->moledy_info.priv = NULL; //&file_melody;
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midi_init_info_v->moledy_info.melody_trigger = melody_trigger;
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//midi的小节回调控制初始化
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midi_init_info_v->tmDiv_info.priv = NULL;
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midi_init_info_v->tmDiv_info.timeDiv_trigger = timDiv_trigger;
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//midi的小拍回调控制初始化
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midi_init_info_v->beat_info.priv = NULL;
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midi_init_info_v->beat_info.beat_trigger = beat_trigger;
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//使能位控制
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midi_init_info_v->switch_info = MELODY_PLAY_ENABLE | MELODY_ENABLE | EX_VOL_ENABLE; //主轨道播放使能
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return;
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}
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FILE *midi_file = NULL;
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int midi_get_cfg_addr(u8 **addr)
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{
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#ifndef CONFIG_MIDI_DEC_ADDR
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//音色文件支持在外部存储卡或者外挂flash,sdk模式使用本方式
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//获取音色文件
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/* FILE *file = fopen("storage/sd0/C/MIDI.bin\0", "r"); */
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FILE *file = fopen(SDFILE_RES_ROOT_PATH"MIDI.bin\0", "r");
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if (!file) {
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log_e("MIDI.bin open err\n");
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return -1;
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}
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*addr = (u8 *)file;
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midi_file = file;
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log_i("midi_file %x\n", midi_file);
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#else
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//音色文件仅支持在内置flash
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FILE *file = fopen(SDFILE_RES_ROOT_PATH"MIDI.bin\0", "r");
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if (!file) {
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log_e("MIDI.bin open err\n");
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return -1;
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}
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struct vfs_attr attr = {0};
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fget_attrs(file, &attr);
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*addr = (u8 *)attr.sclust;
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fclose(file);
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#endif
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return 0;
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}
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/*----------------------------------------------------------------------------*/
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/**@brief midi音色文件关闭
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@param
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@return
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@note 该函数在midi关闭时调用,该函数是弱定义函数，不可修改定义
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*/
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/*----------------------------------------------------------------------------*/
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int midi_uninit()
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{
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#ifndef CONFIG_MIDI_DEC_ADDR
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if (midi_file) {
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fclose(midi_file);
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midi_file = NULL;
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}
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#endif
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return 0;
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}
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/*----------------------------------------------------------------------------*/
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/**@brief midi初始化函数，该函数由库调用
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@param 参数返回地址
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@return 0
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@note 该函数是弱定义函数，不可修改定义
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*/
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/*----------------------------------------------------------------------------*/
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int midi_init(void *info)
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{
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u8 *cache_addr;
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if (midi_get_cfg_addr(&cache_addr)) {
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log_e("get midi addr err\n");
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return -1;
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}
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//初始化midi参数
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init_midi_info_val(info, cache_addr); //需要外部写
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return 0;
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}
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/*----------------------------------------------------------------------------*/
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/**@brief midi控制函数
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@param cmd:
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CMD_MIDI_SET_CHN_PROG, //更改乐器,参数结构对应 MIDI_PROG_CTRL_STRUCT
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CMD_MIDI_CTRL_TEMPO, //改变节奏,参数结构对应 MIDI_PLAY_CTRL_TEMPO
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CMD_MIDI_GOON, //one key one note的时候接着播放使用,参数为空
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CMD_MIDI_CTRL_MODE, //改变模式,参数结构对应 MIDI_PLAY_CTRL_MO
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CMD_MIDI_SET_SWITCH, //配置开关使能，要不要替换乐器，使用外部音量,参数对应 MIDI_SET_SWITCH
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CMD_MIDI_SET_EX_VOL, //设置外部声道音量,参数结构对应 EX_CH_VOL_PARM
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@param priv:对应cmd的参数地址
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@return 0
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@note midi解码控制例程
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*/
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/*----------------------------------------------------------------------------*/
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void midi_ioctrl(u32 cmd, void *priv)
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{
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struct file_dec_hdl *dec = get_file_dec_hdl(); // 文件解码句柄
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if (dec) {
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log_e("file dec NULL\n");
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return ;
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}
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int status = file_dec_get_status();
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if (status == FILE_DEC_STATUS_STOP) {
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log_w("file dec is stop\n");
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return ;
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}
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log_i("midi cmd %x", cmd);
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audio_decoder_ioctrl(&dec->file_dec.decoder, cmd, priv);
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}
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#if 0
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//测试例子
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void *ex_vol_test()
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{
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static int val = 4096;
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EX_CH_VOL_PARM ex_vol;
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for (int test_ci = 0; test_ci < CTRL_CHANNEL_NUM; test_ci++) {
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ex_vol.cc_vol[test_ci] = val;
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}
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val -= 64;
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if (val <= 0) {
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val = 4096;
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}
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midi_ioctrl(CMD_MIDI_SET_EX_VOL, &ex_vol);
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return NULL;
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}
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#endif
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#endif /*TCFG_DEC_MIDI_ENABLE*/
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#endif /*TCFG_APP_MUSIC_EN*/
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