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mp3.c
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/*
* mp3.c
*
* Created on: 2012/03/25
* Author: Tonsuke
*/
/* ***** BEGIN LICENSE BLOCK *****
* Version: RCSL 1.0/RPSL 1.0
*
* Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
*
* The contents of this file, and the files included with this file, are
* subject to the current version of the RealNetworks Public Source License
* Version 1.0 (the "RPSL") available at
* http://www.helixcommunity.org/content/rpsl unless you have licensed
* the file under the RealNetworks Community Source License Version 1.0
* (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
* in which case the RCSL will apply. You may also obtain the license terms
* directly from RealNetworks. You may not use this file except in
* compliance with the RPSL or, if you have a valid RCSL with RealNetworks
* applicable to this file, the RCSL. Please see the applicable RPSL or
* RCSL for the rights, obligations and limitations governing use of the
* contents of the file.
*
* This file is part of the Helix DNA Technology. RealNetworks is the
* developer of the Original Code and owns the copyrights in the portions
* it created.
*
* This file, and the files included with this file, is distributed and made
* available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
*
* Technology Compatibility Kit Test Suite(s) Location:
* http://www.helixcommunity.org/content/tck
*
* Contributor(s):
*
* ***** END LICENSE BLOCK ***** */
/**************************************************************************************
* Fixed-point MP3 decoder
* Jon Recker ([email protected]), Ken Cooke ([email protected])
* June 2003
*
* main.c - command-line test app that uses C interface to MP3 decoder
**************************************************************************************/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "mp3dec.h"
#include "mp3common.h"
#include "mp3.h"
#include "fat.h"
#include "lcd.h"
#include "pcf_font.h"
#include "sound.h"
#include "usart.h"
#include "icon.h"
#include "xpt2046.h"
#include "settings.h"
#include "board_config.h"
#include "mjpeg.h"
#include "mpool.h"
#include "arm_math.h"
#include "fft.h"
#include "fx.h"
#define READBUF_SIZE (1024 * 10) /* feel free to change this, but keep big enough for >= one frame at high bitrates */
#define MAX_ARM_FRAMES 100
#define ARMULATE_MUL_FACT 1
typedef struct {
char head_char[4];
uint32_t flags;
uint32_t frames;
}xing_struct_typedef;
typedef struct {
char id_str[3];
uint8_t verU16[2]; // must cast to (uint16_t*)
uint8_t flag;
uint8_t p_size[4];
}id3tag_head_struct_typedef;
typedef struct {
char frameID_str[4];
uint8_t p_size[4];
uint8_t flagsU16[2];
}id3v34tag_frame_struct_typedef;
typedef struct {
char frameID_str[3];
uint8_t p_size[3];
}id3v2tag_frame_struct_typedef;
typedef struct{
uint8_t encType;
uint8_t str_p[100];
uint16_t flags;
uint8_t bom[2];
size_t size;
}id3_nameTag_struct_typedef;
id3_nameTag_struct_typedef *_id3_title, *_id3_album, *_id3_artist;
MY_FILE *_file_artwork;
uint32_t unSynchSize(void *p_size){
uint32_t frameSize;
frameSize = ((uint32_t)*(uint8_t*)p_size << 21);
frameSize |= ((uint32_t)*(uint8_t*)(p_size + 1) << 14);
frameSize |= ((uint32_t)*(uint8_t*)(p_size + 2) << 7);
frameSize |= ((uint32_t)*(uint8_t*)(p_size + 3));
return frameSize;
}
static int ID3_2v34(MY_FILE *fp, uint32_t entireTagSize, uint8_t ver)
{
uint32_t frameSize;
int tagPoint;
id3v34tag_frame_struct_typedef id3tag_frame;
id3_nameTag_struct_typedef *nameTag;
uint16_t flags;
char frameID_str[5];
uint8_t *str_p;
tagPoint = sizeof(id3tag_head_struct_typedef);
debug.printf("\r\nentireTagSize:%d", entireTagSize);
while(tagPoint < entireTagSize){
my_fread((void*)&id3tag_frame, 1, sizeof(id3v34tag_frame_struct_typedef), fp);
frameID_str[4] = '\0';
strncpy(frameID_str, id3tag_frame.frameID_str, 4);
if(frameID_str[0] < 0x20 || frameID_str[0] > 0x80){ // not ascii then break
break;
}
debug.printf("\r\n\nframeID_str:%s", frameID_str);
if(ver == 4){
frameSize = unSynchSize((void*)&id3tag_frame.p_size);
} else {
frameSize = b2l((void*)&id3tag_frame.p_size, sizeof(id3tag_frame.p_size));
}
debug.printf("\r\nsize:%d", frameSize);
flags = *(uint16_t*)&id3tag_frame.flagsU16;
debug.printf("\r\nflags:%d", flags);
tagPoint += sizeof(id3v34tag_frame_struct_typedef) + frameSize;
nameTag = '\0';
if(strncmp(frameID_str, "TIT2", 4) == 0){
nameTag = _id3_title;
} else if(strncmp(frameID_str, "TALB", 4) == 0){
nameTag = _id3_album;
} else if(strncmp(frameID_str, "TPE1", 4) == 0){
nameTag = _id3_artist;
} else if(strncmp(frameID_str, "APIC", 4) == 0){
memcpy((void*)_file_artwork, (void*)fp, sizeof(MY_FILE));
return 0;
} else {
my_fseek(fp, frameSize, SEEK_CUR);
continue;
}
if(nameTag != '\0'){
my_fread((void*)&nameTag->encType, 1, 1, fp);
frameSize -= sizeof(nameTag->encType);
if(nameTag->encType){
my_fread((void*)nameTag->bom, 1, 2, fp);
frameSize -= sizeof(nameTag->bom);
}
str_p = malloc(frameSize);
my_fread(str_p, 1, frameSize, fp);
nameTag->flags = flags;
nameTag->size = (frameSize < sizeof(nameTag->str_p) - 2 ? frameSize : sizeof(nameTag->str_p) - 2);
memcpy(nameTag->str_p, str_p, nameTag->size);
nameTag->str_p[nameTag->size] = '\0';
nameTag->str_p[nameTag->size + 1] = '\0';
free((void*)str_p);
}
}
return 0;
}
static int ID3_2v2(MY_FILE *fp, uint32_t entireTagSize)
{
uint32_t frameSize;
int tagPoint;
id3v2tag_frame_struct_typedef id3tag_frame;
id3_nameTag_struct_typedef *nameTag;
char frameID_str[4];
uint8_t *str_p;
tagPoint = sizeof(id3tag_head_struct_typedef);
while(tagPoint < entireTagSize){
my_fread((void*)&id3tag_frame, 1, sizeof(id3v2tag_frame_struct_typedef), fp);
frameID_str[3] = '\0';
strncpy(frameID_str, id3tag_frame.frameID_str, 3);
if(frameID_str[0] < 0x20 || frameID_str[0] > 0x80){ // not ascii then break
break;
}
debug.printf("\r\n\nframeID_str:%s", frameID_str);
frameSize = b2l((void*)&id3tag_frame.p_size, sizeof(id3tag_frame.p_size));
debug.printf("\r\nsize:%d", frameSize);
tagPoint += sizeof(id3v2tag_frame_struct_typedef) + frameSize;
nameTag = '\0';
if(strncmp(frameID_str, "TT2", 3) == 0){
nameTag = _id3_title;
} else if(strncmp(frameID_str, "TAL", 3) == 0){
nameTag = _id3_album;
} else if(strncmp(frameID_str, "TP1", 3) == 0){
nameTag = _id3_artist;
} else if(strncmp(frameID_str, "PIC", 3) == 0){
memcpy((void*)_file_artwork, (void*)fp, sizeof(MY_FILE));
return 0;
} else {
my_fseek(fp, frameSize, SEEK_CUR);
continue;
}
if(nameTag != '\0'){
my_fread((void*)&nameTag->encType, 1, 1, fp);
frameSize -= sizeof(nameTag->encType);
if(nameTag->encType){
my_fread((void*)nameTag->bom, 1, 2, fp);
frameSize -= sizeof(nameTag->bom);
}
str_p = malloc(frameSize);
my_fread(str_p, 1, frameSize, fp);
nameTag->size = (frameSize < sizeof(nameTag->str_p) - 2 ? frameSize : sizeof(nameTag->str_p) - 2);
memcpy(nameTag->str_p, str_p, nameTag->size);
nameTag->str_p[nameTag->size] = '\0';
nameTag->str_p[nameTag->size + 1] = '\0';
free((void*)str_p);
}
}
return 0;
}
void eliminateEndSpace(uint8_t data[], uint8_t len)
{
int i, chrCnt = 0;
for(i = len;i > 0;i--){
if(data[i - 1] != '\0' && data[i - 1] != ' '){
data[i] ='\0';
break;
}
}
for(i = 0;i < len;i++){
if(data[i] != '\0') chrCnt++;
else break;
}
if(chrCnt == 0 || chrCnt == len){
data[0] = ' ';
}
}
int ID3_1v01(MY_FILE *fp){
char tag[4];
my_fseek(fp, -127, SEEK_END);
my_fread((uint8_t*)tag, 1, 3, fp);
if(strncmp(tag, "TAG", 3) == 0){
debug.printf("\r\nID3v1.x");
my_fread(_id3_title->str_p, 1, 30, fp);
my_fread(_id3_artist->str_p, 1, 30, fp);
my_fread(_id3_album->str_p, 1, 30, fp);
_id3_title->encType = _id3_artist->encType = _id3_album->encType = 0;
eliminateEndSpace(_id3_title->str_p, 30);
eliminateEndSpace(_id3_artist->str_p, 30);
eliminateEndSpace(_id3_album->str_p, 30);
}
return 0;
}
int id3tag(MY_FILE *fp){
volatile id3tag_head_struct_typedef id3tag;
uint16_t ver;
size_t size;
my_fread((void*)&id3tag, 1, sizeof(id3tag_head_struct_typedef), fp);
if(strncmp((char*)id3tag.id_str, "ID3", 3) == 0){
ver = *(uint16_t*)&id3tag.verU16;
size = unSynchSize((void*)id3tag.p_size);
debug.printf("\r\nid3tag.version:%d", ver);
debug.printf("\r\nsize:%d", size);
switch(ver){
case 2:
ID3_2v2(fp, size);
break;
case 3:
case 4:
ID3_2v34(fp, size, ver);
break;
default:
break;
}
my_fseek(fp, size + sizeof(id3tag_head_struct_typedef), SEEK_SET);
} else {
ID3_1v01(fp);
my_fseek(fp, 0, SEEK_SET);
}
return 0;
}
void UTF16BigToLittle(uint8_t *str_p, size_t size)
{
int i;
uint8_t t_char;
for(i = 0;i < size;i += sizeof(uint16_t)){
t_char = str_p[i];
str_p[i] = str_p[i + 1];
str_p[i + 1] = t_char;
}
}
uint16_t MP3PutString(uint16_t startPosX, uint16_t endPosX, uint8_t lineCnt, id3_nameTag_struct_typedef *id3_nameTag, colors color)
{
uint16_t len = 0;
if(!id3_nameTag->encType){
len = LCDPutStringSJISN(startPosX, endPosX, lineCnt, id3_nameTag->str_p, color);
} else { // UTF-16
if(id3_nameTag->bom[0] == 0xfe && id3_nameTag->bom[1] == 0xff){ // UTF-16BE
UTF16BigToLittle(id3_nameTag->str_p, id3_nameTag->size); // big to little
}
len = LCDPutStringLFN(startPosX, endPosX, lineCnt, id3_nameTag->str_p, color);
}
return len;
}
uint16_t MP3GetStringPixelLength(id3_nameTag_struct_typedef *id3_nameTag, uint16_t font_width)
{
uint16_t len = 0;
if(!id3_nameTag->encType){
len = LCDGetStringSJISPixelLength(id3_nameTag->str_p, font_width);
} else { // UTF-16
if(id3_nameTag->bom[0] == 0xfe && id3_nameTag->bom[1] == 0xff){ // UTF-16BE
UTF16BigToLittle(id3_nameTag->str_p, id3_nameTag->size); // big to little
}
len = LCDGetStringLFNPixelLength(id3_nameTag->str_p, font_width);
}
return len;
}
static int FillReadBuffer(unsigned char *readBuf, unsigned char *readPtr, int bufSize, int bytesLeft, MY_FILE *infile)
{
int nRead;
/* move last, small chunk from end of buffer to start, then fill with new data */
memmove(readBuf, readPtr, bytesLeft);
nRead = my_fread(readBuf + bytesLeft, 1, bufSize - bytesLeft, infile);
/* zero-pad to avoid finding false sync word after last frame (from old data in readBuf) */
if (nRead < bufSize - bytesLeft)
memset(readBuf + bytesLeft + nRead, 0, bufSize - bytesLeft - nRead);
return nRead;
}
int MP3FindXingWord(unsigned char *buf, int nBytes)
{
int i;
for (i = 0; i < nBytes - 3; i++) {
if ((buf[i+0] == 'X') && (buf[i+1] == 'i') && (buf[i+2] == 'n') && (buf[i+3] == 'g'))
return i;
}
return -1;
}
int MP3FindInfoWord(unsigned char *buf, int nBytes)
{
int i;
for (i = 0; i < nBytes - 3; i++) {
if ((buf[i+0] == 'I') && (buf[i+1] == 'n') && (buf[i+2] == 'f') && (buf[i+3] == 'o'))
return i;
}
return -1;
}
int PlayMP3(int id)
{
time.flags.enable = 0;
TouchPenIRQ_Disable();
TOUCH_PINIRQ_DISABLE;
touch.func = touch_empty_func;
int i;
int bytesLeft, nRead, err, offset, outOfData, eofReached;
unsigned char *readPtr;
unsigned char readBuf[READBUF_SIZE];
short *outbuf;
uint32_t *pabuf;
int totalSec, remainTotalSec, media_data_totalBytes, minute, sec;
// drawBuff_typedef *drawBuff = (drawBuff_typedef*)jFrameMem;
drawBuff_typedef dbuf, *drawBuff;
drawBuff = &dbuf;
_drawBuff = drawBuff;
int curX = 0, prevX = 0, ret = 0;
char timeStr[20];
uint8_t buf[512], hasXing = 0, hasInfo = 0;
uint32_t seekBytes, count = 0, seekBytesSyncWord = 0;
int xingSeekBytes = 0, infoSeekBytes = 0, header_offset;
float duration;
MP3FrameInfo info;
TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure;
void *putCharTmp = '\0', *putWideCharTmp = '\0';
id3_nameTag_struct_typedef title, album, artist;
_id3_title = &title, _id3_album = &album, _id3_artist = &artist;
uint16_t xTag = 110, yTag = 67, disp_limit = 300, strLen = 0, yPos;
MY_FILE *infile = '\0', file_artwork;
file_artwork.clusterOrg = 0;
_file_artwork = &file_artwork;
music_src_p.curX = &curX;
music_src_p.prevX = &prevX;
music_src_p.media_data_totalBytes = &media_data_totalBytes;
music_src_p.totalSec = &totalSec;
music_src_p.drawBuff = drawBuff;
music_src_p.fp = infile;
putCharTmp = LCD_FUNC.putChar;
putWideCharTmp = LCD_FUNC.putWideChar;
if(!pcf_font.c_loaded){
LCD_FUNC.putChar = PCFPutChar16px;
LCD_FUNC.putWideChar = PCFPutChar16px;
} else {
LCD_FUNC.putChar = C_PCFPutChar16px;
LCD_FUNC.putWideChar = C_PCFPutChar16px;
}
disp_limit = 288;
LCDPutBgImgMusic();
infile = my_fopen(id);
if(infile == '\0'){
LCDStatusStruct.waitExitKey = 0;
ret = -1;
goto EXIT_PROCESS;
}
MP3FrameInfo mp3FrameInfo;
HMP3Decoder hMP3Decoder;
memset(&mp3FrameInfo, '\0', sizeof(mp3FrameInfo));
if ( (hMP3Decoder = MP3InitDecoder()) == 0 ){
LCDStatusStruct.waitExitKey = 0;
ret = -1;
goto EXIT_PROCESS;
}
_id3_title->str_p[0] = _id3_album->str_p[0] = _id3_artist->str_p[0] = '\0';
id3tag(infile);
/*
if(_id3_title->str_p[0] != '\0'){
debug.printf("\r\n\ntitle found\r\nsize:%d\r\nencType:%d", _id3_title->size, _id3_title->encType);
debug.printf("\r\n%04x", *(uint32_t*)_id3_title->str_p);
debug.printf("\r\n%04x", *(uint32_t*)&_id3_title->str_p[4]);
}
if(_id3_album->str_p[0] != '\0'){
debug.printf("\r\n\nalbum found\r\nsize:%d\r\nencType:%d", _id3_album->size, _id3_album->encType);
debug.printf("\r\n%04x", *(uint32_t*)_id3_album->str_p);
}
if(_id3_artist->str_p[0] != '\0'){
debug.printf("\r\n\nartist found\r\nsize:%d\r\nencType:%d", _id3_artist->size, _id3_artist->encType);
debug.printf("\r\n%04x", *(uint32_t*)_id3_artist->str_p);
}
*/
if(!_id3_album->str_p[0] && !_id3_artist->str_p[0]){
yTag += 20;
} else if(!_id3_album->str_p[0] || !_id3_artist->str_p[0]){
yTag += 10;
}
if(_id3_title->str_p[0] != 0){
strLen = MP3GetStringPixelLength(_id3_title, 16);
if((xTag + strLen) < LCD_WIDTH){
disp_limit = LCD_WIDTH - 1;
} else {
disp_limit = LCD_WIDTH - 20;
yTag -= 8;
}
strLen = MP3GetStringPixelLength(_id3_album, 12);
if((xTag + strLen) > (LCD_WIDTH - 20)){
yTag -= 6;
}
LCDGotoXY(xTag + 1, yTag + 1);
MP3PutString(xTag + 1, disp_limit, 2, _id3_title, BLACK);
LCDGotoXY(xTag, yTag);
yPos = MP3PutString(xTag, disp_limit - 1, 2, _id3_title, WHITE);
yTag += 20 + yPos;
} else {
uint8_t strNameLFN[80];
if(setLFNname(strNameLFN, id, LFN_WITHOUT_EXTENSION, sizeof(strNameLFN))){
strLen = LCDGetStringLFNPixelLength(strNameLFN, 16);
if((xTag + strLen) < LCD_WIDTH){
disp_limit = LCD_WIDTH - 1;
} else {
disp_limit = LCD_WIDTH - 20;
yTag -= 10;
}
LCDGotoXY(xTag + 1, yTag + 1);
LCDPutStringLFN(xTag + 1, disp_limit, 2, strNameLFN, BLACK);
LCDGotoXY(xTag, yTag);
LCDPutStringLFN(xTag, disp_limit - 1, 2, strNameLFN, WHITE);
} else {
char strNameSFN[9];
memset(strNameSFN, '\0', sizeof(strNameSFN));
setSFNname(strNameSFN, id);
LCDGotoXY(xTag + 1, yTag + 1);
LCDPutString(strNameSFN, BLACK);
LCDGotoXY(xTag, yTag);
LCDPutString(strNameSFN, WHITE);
}
yTag += 20;
}
LCD_FUNC.putChar = putCharTmp;
LCD_FUNC.putWideChar = putWideCharTmp;
disp_limit = 300;
if(_id3_album->str_p[0] != 0){
LCDGotoXY(xTag + 1, yTag + 1);
MP3PutString(xTag + 1, LCD_WIDTH - 20, 2, _id3_album, BLACK);
LCDGotoXY(xTag, yTag);
yPos = MP3PutString(xTag, LCD_WIDTH - 21, 2, _id3_album, WHITE);
yTag += 20 + yPos;
}
if(_id3_artist->str_p[0] != 0){
LCDGotoXY(xTag + 1, yTag + 1);
MP3PutString(xTag + 1, disp_limit, 1, _id3_artist, BLACK);
LCDGotoXY(xTag, yTag);
MP3PutString(xTag, disp_limit - 1, 1, _id3_artist, WHITE);
}
dispArtWork(_file_artwork);
LCDPutIcon(0, 155, 320, 80, music_underbar_320x80, music_underbar_320x80_alpha);
bytesLeft = 0;
outOfData = 0;
eofReached = 0;
readPtr = readBuf;
nRead = 0;
seekBytes = infile->seekBytes;
while(!eofReached){
/* somewhat arbitrary trigger to refill buffer - should always be enough for a full frame */
if (bytesLeft < 2*MAINBUF_SIZE && !eofReached) {
nRead = FillReadBuffer(readBuf, readPtr, READBUF_SIZE, bytesLeft, infile);
bytesLeft += nRead;
readPtr = readBuf;
if (nRead == 0){
eofReached = 1;
break;
}
}
if((header_offset = (MP3FindXingWord(readPtr, bytesLeft))) != -1){
xingSeekBytes = header_offset + seekBytes;
hasXing = 1;
}
if((header_offset = (MP3FindInfoWord(readPtr, bytesLeft))) != -1){
infoSeekBytes = header_offset + seekBytes;
hasInfo = 1;
}
/* find start of next MP3 frame - assume EOF if no sync found */
offset = MP3FindSyncWord(readPtr, bytesLeft);
if (offset < 0) {
bytesLeft = 0;
readPtr = readBuf;
seekBytes = infile->seekBytes;
continue;
} else {
my_fseek(infile, seekBytes + offset, SEEK_SET);
my_fread(buf, 1, 4, infile);
if(UnpackFrameHeader((MP3DecInfo*)hMP3Decoder, buf) != -1){
MP3GetLastFrameInfo(hMP3Decoder, &info);
if(info.bitrate){
if(!count){
memcpy(&mp3FrameInfo, &info, sizeof(MP3FrameInfo));
debug.printf("\r\n\nmp3FrameInfo");
debug.printf("\r\nbitrate:%d", mp3FrameInfo.bitrate);
debug.printf("\r\nnChans:%d", mp3FrameInfo.nChans);
debug.printf("\r\nsamprate:%d", mp3FrameInfo.samprate);
debug.printf("\r\nbitsPerSample:%d", mp3FrameInfo.bitsPerSample);
debug.printf("\r\noutputSamps:%d", mp3FrameInfo.outputSamps);
debug.printf("\r\nlayer:%d", mp3FrameInfo.layer);
debug.printf("\r\nversion:%d", mp3FrameInfo.version);
seekBytesSyncWord = seekBytes + offset;
}
if(++count >= 2){
break;
}
}
}
bytesLeft = 0;
readPtr = readBuf;
seekBytes = infile->seekBytes;
continue;
}
}
debug.printf("\r\nseekBytesSyncWord:%d", seekBytesSyncWord);
media_data_totalBytes = infile->fileSize - seekBytesSyncWord;
debug.printf("\r\nmedia_data_totalBytes:%d", media_data_totalBytes);
if(hasXing){
debug.printf("\r\nXing");
}
if(hasInfo){
debug.printf("\r\nInfo");
}
if(hasInfo){
hasXing = 1;
xingSeekBytes = infoSeekBytes;
}
if(hasXing){
debug.printf("\r\nxingSeekBytes:%d", xingSeekBytes);
xing_struct_typedef xing_struct;
my_fseek(infile, xingSeekBytes, SEEK_SET);
my_fread((uint8_t*)&xing_struct, 1, 12, infile);
if((strncmp(xing_struct.head_char, "Xing", 4) != 0) && (strncmp(xing_struct.head_char, "Info", 4) != 0)){
goto CALC_CBR_DURATION;
}
debug.printf("\r\ncalc VBR duration");
xing_struct.flags = b2l(&xing_struct.flags, sizeof(xing_struct.flags));
if(!(xing_struct.flags & 0x0001)){ // has frames?
goto CALC_CBR_DURATION;
}
xing_struct.frames = b2l(&xing_struct.frames, sizeof(xing_struct.frames));
duration = (float)xing_struct.frames * ((float)(mp3FrameInfo.outputSamps / mp3FrameInfo.nChans) / (float)mp3FrameInfo.samprate) + 0.5f;
minute = (float)duration / 60.0f;
sec = (int)((((float)duration / 60.0f) - (float)minute) * 60.0f);
} else {
CALC_CBR_DURATION:
duration = (float)media_data_totalBytes / (float)mp3FrameInfo.bitrate * 8.0f + 0.5f;
minute = (float)duration / 60.0f;
sec = (int)((((float)duration / 60.0f) - (float)minute) * 60.0f);
}
char s[20];
SPRINTF(s, "%d/%d", id, fat.fileCnt - 1);
LCDGotoXY(21, MUSIC_INFO_POS_Y + 1);
LCDPutString(s, BLACK);
LCDGotoXY(20, MUSIC_INFO_POS_Y);
LCDPutString(s, WHITE);
if(settings_group.music_conf.b.musicinfo){
LCDGotoXY(71, MUSIC_INFO_POS_Y + 1);
LCDPutString("MP3", BLACK);
LCDGotoXY(70, MUSIC_INFO_POS_Y);
LCDPutString("MP3", WHITE);
LCDGotoXY(111, MUSIC_INFO_POS_Y + 1);
LCDPutString(mp3FrameInfo.nChans == 2 ? "Stereo" : "Mono", BLACK);
LCDGotoXY(110, MUSIC_INFO_POS_Y);
LCDPutString(mp3FrameInfo.nChans == 2 ? "Stereo" : "Mono", WHITE);
SPRINTF(s, "%dkbps", mp3FrameInfo.bitrate / 1000);
LCDGotoXY(171, MUSIC_INFO_POS_Y + 1);
LCDPutString(s, BLACK);
LCDGotoXY(170, MUSIC_INFO_POS_Y);
LCDPutString(s, WHITE);
SPRINTF(s, "%dHz", mp3FrameInfo.samprate);
LCDGotoXY(241, MUSIC_INFO_POS_Y + 1);
LCDPutString(s, BLACK);
LCDGotoXY(240, MUSIC_INFO_POS_Y);
LCDPutString(s, WHITE);
}
putCharTmp = LCD_FUNC.putChar;
putWideCharTmp = LCD_FUNC.putWideChar;
if(!pcf_font.c_loaded){
LCD_FUNC.putChar = PCFPutCharCache;
LCD_FUNC.putWideChar = PCFPutCharCache;
extern uint16_t cursorRAM[];
PCFSetGlyphCacheStartAddress((void*)cursorRAM);
PCFCachePlayTimeGlyphs(12);
} else {
LCD_FUNC.putChar = C_PCFPutChar;
LCD_FUNC.putWideChar = C_PCFPutChar;
}
debug.printf("\r\n%d:%02d", minute, sec);
totalSec = duration;
// time elapsed
drawBuff->timeElapsed.x = 14;
drawBuff->timeElapsed.y = 188;
drawBuff->timeElapsed.width = 50;
drawBuff->timeElapsed.height = 13;
LCDStoreBgImgToBuff(drawBuff->timeElapsed.x, drawBuff->timeElapsed.y, \
drawBuff->timeElapsed.width, drawBuff->timeElapsed.height, drawBuff->timeElapsed.p);
// time remain
drawBuff->timeRemain.x = totalSec < 6000 ? 268 : 260;
drawBuff->timeRemain.y = 188;
drawBuff->timeRemain.width = 50;
drawBuff->timeRemain.height = 13;
LCDStoreBgImgToBuff(drawBuff->timeRemain.x, drawBuff->timeRemain.y, \
drawBuff->timeRemain.width, drawBuff->timeRemain.height, drawBuff->timeRemain.p);
drawBuff->posision.x = 0;
drawBuff->posision.y = 168;
drawBuff->posision.width = 16;
drawBuff->posision.height = 16;
LCDStoreBgImgToBuff(drawBuff->posision.x, drawBuff->posision.y, \
drawBuff->posision.width, drawBuff->posision.height, drawBuff->posision.p);
drawBuff->navigation.x = 142;
drawBuff->navigation.y = 189;
drawBuff->navigation.width = 32;
drawBuff->navigation.height = 32;
LCDStoreBgImgToBuff(drawBuff->navigation.x, drawBuff->navigation.y, \
drawBuff->navigation.width, drawBuff->navigation.height, drawBuff->navigation.p);
drawBuff->fft_analyzer_left.x = FFT_ANALYZER_LEFT_POS_X;
drawBuff->fft_analyzer_left.y = FFT_ANALYZER_LEFT_POS_Y;
drawBuff->fft_analyzer_left.width = 32;
drawBuff->fft_analyzer_left.height = 32;
LCDStoreBgImgToBuff(drawBuff->fft_analyzer_left.x, drawBuff->fft_analyzer_left.y, \
drawBuff->fft_analyzer_left.width, drawBuff->fft_analyzer_left.height, drawBuff->fft_analyzer_left.p);
drawBuff->fft_analyzer_right.x = FFT_ANALYZER_RIGHT_POS_X;
drawBuff->fft_analyzer_right.y = FFT_ANALYZER_RIGHT_POS_Y;
drawBuff->fft_analyzer_right.width = 32;
drawBuff->fft_analyzer_right.height = 32;
LCDStoreBgImgToBuff(drawBuff->fft_analyzer_right.x, drawBuff->fft_analyzer_right.y, \
drawBuff->fft_analyzer_right.width, drawBuff->fft_analyzer_right.height, drawBuff->fft_analyzer_right.p);
drawBuff->navigation_loop.x = 277;
drawBuff->navigation_loop.y = 207;
drawBuff->navigation_loop.width = 24;
drawBuff->navigation_loop.height = 18;
LCDStoreBgImgToBuff(drawBuff->navigation_loop.x, drawBuff->navigation_loop.y, \
drawBuff->navigation_loop.width, drawBuff->navigation_loop.height, drawBuff->navigation_loop.p);
Update_Navigation_Loop_Icon(navigation_loop_mode);
LCDPutIcon(drawBuff->navigation.x, drawBuff->navigation.y, \
drawBuff->navigation.width, drawBuff->navigation.height, \
navigation_pause_patch_32x32, navigation_pause_patch_32x32_alpha);
/* Update Bass Boost Icon */
drawBuff->bass_boost.x = 10;
drawBuff->bass_boost.y = 3;
drawBuff->bass_boost.width = 24;
drawBuff->bass_boost.height = 18;
LCDStoreBgImgToBuff(drawBuff->bass_boost.x, drawBuff->bass_boost.y, \
drawBuff->bass_boost.width, drawBuff->bass_boost.height, drawBuff->bass_boost.p);
Update_Bass_Boost_Icon(bass_boost_mode);
/* Update Reverb Effect Icon */
drawBuff->reverb_effect.x = 60;
drawBuff->reverb_effect.y = 2;
drawBuff->reverb_effect.width = 24;
drawBuff->reverb_effect.height = 18;
LCDStoreBgImgToBuff(drawBuff->reverb_effect.x, drawBuff->reverb_effect.y, \
drawBuff->reverb_effect.width, drawBuff->reverb_effect.height, drawBuff->reverb_effect.p);
Update_Reverb_Effect_Icon(reverb_effect_mode);
/* Update Vocal Canceler Icon */
drawBuff->vocal_cancel.x = 107;
drawBuff->vocal_cancel.y = 5;
drawBuff->vocal_cancel.width = 24;
drawBuff->vocal_cancel.height = 18;
LCDStoreBgImgToBuff(drawBuff->vocal_cancel.x, drawBuff->vocal_cancel.y, \
drawBuff->vocal_cancel.width, drawBuff->vocal_cancel.height, drawBuff->vocal_cancel.p);
Update_Vocal_Canceler_Icon(vocal_cancel_mode);
debug.printf("\r\nsampleRate:%d", mp3FrameInfo.samprate);
my_fseek(infile, seekBytesSyncWord, SEEK_SET);
int curXprev, position_changed = 0, cnt = 0;
uint32_t noerror_cnt = 0;
float *fabuf, *fbbuf;
float *float_buf = (float*)mempool;
int fbuf_len = (MAX_NCHAN * MAX_NGRAN * MAX_NSAMP) * mp3FrameInfo.nChans;
memset(float_buf, '\0', fbuf_len * sizeof(float));
uint8_t SOUND_BUFFER[9216];
dac_intr.buff = SOUND_BUFFER;
dac_intr.bufferSize = (MAX_NCHAN * MAX_NGRAN * MAX_NSAMP) * sizeof(int16_t) * mp3FrameInfo.nChans;
int SoundDMAHalfBlocks = dac_intr.bufferSize / 2 / (sizeof(uint16_t) * 2);
int delay_buffer_filled = 0, boost = 0, loop_icon_touched = 0, loop_icon_cnt = 0;
/* variables for reverb effect
* delay_buffer is allocated in CCM.(64KB)
* Maximum length Stereo 16bit(4bytes/sample)
* 0.371s@44100Hz 0.341s@48000Hz */
delay_buffer_typedef delay_buffer;
delay_buffer.ptr = (uint32_t*)CCM_BASE;
delay_buffer.size = 65536 / sizeof(uint32_t);
delay_buffer.idx = 0;
IIR_Filter_Struct_Typedef IIR;
IIR.delay_buffer = &delay_buffer;
IIR.sbuf_size = (MAX_NCHAN * MAX_NGRAN * MAX_NSAMP) * mp3FrameInfo.nChans;
IIR.num_blocks = SoundDMAHalfBlocks;
IIR.fs = mp3FrameInfo.samprate;
IIR.number = bass_boost_mode;
boost = bass_boost_mode;
IIR_Set_Params(&IIR);
REVERB_Struct_Typedef RFX;
RFX.delay_buffer = &delay_buffer;
RFX.num_blocks = SoundDMAHalfBlocks;
RFX.fs = mp3FrameInfo.samprate;
RFX.number = reverb_effect_mode;
REVERB_Set_Prams(&RFX);
FFT_Struct_Typedef FFT;
FFT.ifftFlag = 0;
FFT.bitReverseFlag = 1;
FFT.length = 64;
FFT.samples = dac_intr.bufferSize / (sizeof(int16_t) * mp3FrameInfo.nChans) / 2;
if(mp3FrameInfo.nChans < 2){
FFT.samples >>= 1;
}
FFT_Init(&FFT);
bytesLeft = 0;
outOfData = 0;
eofReached = 0;
readPtr = readBuf;
nRead = 0;
position_changed = 0;
noerror_cnt = 0;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
NVIC_InitTypeDef NVIC_InitStructure;
/* Enable the TIM1 gloabal Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = TIM1_UP_TIM10_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* 1s = 1 / F_CPU(168MHz) * (167 + 1) * (99 + 1) * (9999 + 1) TIM1フレームレート計測用 */
TIM_TimeBaseInitStructure.TIM_Period = 9999;
TIM_TimeBaseInitStructure.TIM_Prescaler = 99;
TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInitStructure.TIM_RepetitionCounter = (SystemCoreClock / 1000000UL) - 1; // 168 - 1
TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
TIM_TimeBaseInit(TIM1, &TIM_TimeBaseInitStructure);
TIM_ClearITPendingBit(TIM1, TIM_IT_Update);
TIM_ITConfig(TIM1, TIM_IT_Update, ENABLE);
SOUNDInitDAC(mp3FrameInfo.samprate);
SOUNDDMAConf((void*)&DAC->DHR12LD, sizeof(int16_t) * mp3FrameInfo.nChans, sizeof(int16_t) * mp3FrameInfo.nChans);
DMA_ITConfig(DMA1_Stream1, DMA_IT_TC | DMA_IT_HT, ENABLE);
music_play.currentTotalSec = 0;
music_play.comp = 0;
music_play.update = 1;
DMA_Cmd(DMA1_Stream1, ENABLE);
TIM_Cmd(TIM1, ENABLE);
while(!eofReached && LCDStatusStruct.waitExitKey){
if(loop_icon_touched && TP_PEN_INPUT_BB == Bit_SET){
if(--loop_icon_cnt <= 0){
loop_icon_touched = 0;
}
}
if(SOUND_DMA_HALF_TRANS_BB){ // Half
SOUND_DMA_CLEAR_HALF_TRANS_BB = 1;
outbuf = (short*)dac_intr.buff;
pabuf = (uint32_t*)outbuf;
fabuf = (float*)float_buf;
fbbuf = (float*)&float_buf[fbuf_len >> 1];
} else if(SOUND_DMA_FULL_TRANS_BB){ // Full
SOUND_DMA_CLEAR_FULL_TRANS_BB = 1;
outbuf = (short*)&dac_intr.buff[dac_intr.bufferSize >> 1];
pabuf = (uint32_t*)outbuf;
fabuf = (float*)&float_buf[fbuf_len >> 1];
fbbuf = (float*)float_buf;
} else {
continue;
}
if(!position_changed && cnt++ > 10){
AUDIO_OUT_ENABLE;
}
/* somewhat arbitrary trigger to refill buffer - should always be enough for a full frame */
if (bytesLeft < 2*MAINBUF_SIZE && !eofReached) {
nRead = FillReadBuffer(readBuf, readPtr, READBUF_SIZE, bytesLeft, infile);
bytesLeft += nRead;
readPtr = readBuf;
if (nRead == 0){
eofReached = 1;
break;
}
}
if(TP_PEN_INPUT_BB == Bit_RESET && !loop_icon_touched){ // タッチパネルが押されたか？
curXprev = curX;
ret = musicPause();
if(ret >= 30){
switch(ret){
case 31:
IIR.number = bass_boost_mode;
boost = 1;
break;
case 32:
RFX.number = reverb_effect_mode;
break;
default:
break;
}
loop_icon_touched = 1;
loop_icon_cnt = 10000;
goto EXIT_TP;
}
if(ret != RET_PLAY_NORM){
goto END_MP3;
}
if(curX == curXprev){