432 lines
12 KiB
C
432 lines
12 KiB
C
/*
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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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#include "lfwordana_enc_api.h"
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#if defined(TCFG_DEC_MIDI_ENABLE) && TCFG_DEC_MIDI_ENABLE
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//midi文件播放时，对应的音色文件路径(用户可修改路径)
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#define MIDI_FILE_PATH SDFILE_RES_ROOT_PATH"MIDI.bin\0"
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//替换主旋律的音色库，由录音得到(用户可修改路径)
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int *MIDI_W2S_FILE_PATH = "storage/sd0/C/W2S/W2S.raw\0";
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//替换主旋律音色库对应的参数文件,录音时生成(用户可修改路径)
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#define MIDI_W2S_PARM_PATH "storage/sd0/C/W2S/parmout.raw\0"
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static const u16 midi_samplerate_tab[9] = {
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48000,
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44100,
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32000,
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24000,
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22050,
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16000,
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12000,
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11025,
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8000
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};
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static u32 get_sr_tab_num(u32 sr)
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{
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int i = 0;
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for (i = 0; i < ARRAY_SIZE(midi_samplerate_tab); i++) {
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if (sr == midi_samplerate_tab[i]) {
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return i;
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}
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}
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return 4;
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}
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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 melody_stop_trigger(void *priv, u8 key)
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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, void *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 = get_sr_tab_num(22050);
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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 = CMD_MIDI_CTRL_MODE_0; //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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for (u32 tmp_i = 0; tmp_i < 16; tmp_i++) {
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midi_init_info_v->tempo_info.decay_val[tmp_i] = ((u16)31 << 11) | 1024;
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}
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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 , 17:库内自动分配
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//midi外部音量初始化
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for (u32 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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midi_init_info_v->vol_info.ex_vol_use_chn = 1;
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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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//OKON 模式设置
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midi_init_info_v->okon_info.Melody_Key_Mode = CMD_MIDI_MELODY_KEY_0;
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midi_init_info_v->okon_info.OKON_Mode = CMD_MIDI_OKON_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melody stop控制初始化
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midi_init_info_v->moledy_stop_info.priv = NULL;
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midi_init_info_v->moledy_stop_info.melody_stop_trigger = melody_stop_trigger;//主旋律音符停止播放回调
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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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#if defined(MIDI_SUPPORT_W2S) && MIDI_SUPPORT_W2S
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//设置替换主轨道的声音的音源
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void *cache_addr;
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extern int midi_w2s_get_cfg_addr(void **addr);
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if (midi_w2s_get_cfg_addr(&cache_addr)) {
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log_e("get midi w2s addr err\n");
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return;
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}
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midi_w2s_parm_get(&midi_init_info_v->w2s_info);
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midi_init_info_v->w2s_info.key_diff = -7;////与音高成反比
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midi_init_info_v->w2s_info.rec_data = (u32)cache_addr;
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#endif/*MIDI_SUPPORT_W2S*/
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return;
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}
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FILE *midi_w2s_file = NULL;
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int midi_w2s_get_cfg_addr(void **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默认使用本方式
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//获取音色文件
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FILE *file = fopen(MIDI_W2S_FILE_PATH, "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 = (void *)file;
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midi_w2s_file = file;
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log_i("midi_w2s_file %x\n", midi_w2s_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(MIDI_W2S_FILE_PATH, "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 = (void *)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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FILE *midi_file = NULL;
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int midi_get_cfg_addr(void **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默认使用本方式
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//获取音色文件
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FILE *file = fopen(MIDI_FILE_PATH, "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 = (void *)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(MIDI_FILE_PATH, "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 = (void *)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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if (midi_w2s_file) {
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fclose(midi_w2s_file);
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midi_w2s_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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void *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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if (tone_get_dec_status()) {
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audio_decoder_ioctrl(get_tone_dec_file_decoder(), cmd, priv);
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} else {
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log_w("file dec is stop\n");
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}
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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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#if defined(MIDI_SUPPORT_W2S) && MIDI_SUPPORT_W2S
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int midi_w2s_init(void *info)
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{
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struct _AUDIO_DECODE_PARA {
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u32 mode;
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};
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struct _AUDIO_DECODE_PARA *mode_parm = (struct _AUDIO_DECODE_PARA *)info;
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mode_parm->mode = CMD_MIDI_CTRL_MODE_W2S;
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return 0;
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}
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/*----------------------------------------------------------------------------*/
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/**@brief midi主旋律是否用录音文件替换主旋律
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@param flag:1(替换主旋律) 0(不替换主旋律)
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@return 无
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@note
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*/
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/*----------------------------------------------------------------------------*/
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void midi_mode_change(u8 flag)
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{
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struct _AUDIO_DECODE_PARA {
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u32 mode;
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};
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struct _AUDIO_DECODE_PARA mode_parm = {0};
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if (flag) {
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mode_parm.mode = CMD_MIDI_CTRL_MODE_W2S;
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} else {
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mode_parm.mode = CMD_MIDI_CTRL_MODE_0;
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}
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midi_ioctrl(CMD_MIDI_CTRL_MODE, &mode_parm);
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}
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void midi_mode_test(void *p)
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{
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static u8 flag = 0;
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midi_mode_change(flag);
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flag = !flag;
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}
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#endif/*MIDI_SUPPORT_W2S*/
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/*----------------------------------------------------------------------------*/
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/**@brief midi预处理的音色，对应的输出的参数
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@param data:参数地址
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@param len:参数长度
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@return
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@note
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*/
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/*----------------------------------------------------------------------------*/
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void midi_w2s_parm_set(void *data, u32 len)
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{
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MIDI_W2S_STRUCT *w2s_parmOut;
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void *fp = fopen(MIDI_W2S_PARM_PATH, "wb");
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if (fp) {
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fwrite(fp, data, len);
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fclose(fp);
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fp = NULL;
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}
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}
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/*----------------------------------------------------------------------------*/
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/**@brief 获取midi预处理的音色，对应的参数
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@param parm:参数返回地址
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@return
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@note
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*/
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/*----------------------------------------------------------------------------*/
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void midi_w2s_parm_get(void *parm)
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{
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void *fp = fopen(MIDI_W2S_PARM_PATH, "r");
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if (fp) {
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fread(fp, parm, sizeof(MIDI_W2S_STRUCT));
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fclose(fp);
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fp = NULL;
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}
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}
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#endif /*TCFG_DEC_MIDI_ENABLE*/
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