VitaShell/audio/id3.c
2016-09-13 23:09:47 +02:00

657 lines
23 KiB
C

#include <psp2/io/fcntl.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "id3.h"
struct genre
{
int code;
char text[112];
};
struct genre genreList[] =
{
{0 , "Blues"}, {1 , "Classic Rock"}, {2 , "Country"}, {3 , "Dance"}, {4 , "Disco"}, {5 , "Funk"}, {6 , "Grunge"}, {7 , "Hip-Hop"}, {8 , "Jazz"}, {9 , "Metal"}, {10 , "New Age"},
{11 , "Oldies"}, {12 , "Other"}, {13 , "Pop"}, {14 , "R&B"}, {15 , "Rap"}, {16 , "Reggae"}, {17 , "Rock"}, {18 , "Techno"}, {19 , "Industrial"}, {20 , "Alternative"},
{21 , "Ska"}, {22 , "Death Metal"}, {23 , "Pranks"}, {24 , "Soundtrack"}, {25 , "Euro-Techno"}, {26 , "Ambient"}, {27 , "Trip-Hop"}, {28 , "Vocal"}, {29 , "Jazz+Funk"}, {30 , "Fusion"},
{31 , "Trance"}, {32 , "Classical"}, {33 , "Instrumental"}, {34 , "Acid"}, {35 , "House"}, {36 , "Game"}, {37 , "Sound Clip"}, {38 , "Gospel"}, {39 , "Noise"}, {40 , "Alternative Rock"},
{41 , "Bass"}, {42 , "Soul"}, {43 , "Punk"}, {44 , "Space"}, {45 , "Meditative"}, {46 , "Instrumental Pop"}, {47 , "Instrumental Rock"}, {48 , "Ethnic"}, {49 , "Gothic"}, {50 , "Darkwave"},
{51 , "Techno-Industrial"}, {52 , "Electronic"}, {53 , "Pop-Folk"}, {54 , "Eurodance"}, {55 , "Dream"}, {56 , "Southern Rock"}, {57 , "Comedy"}, {58 , "Cult"}, {59 , "Gangsta"}, {60 , "Top 40"},
{61 , "Christian Rap"}, {62 , "Pop/Funk"}, {63 , "Jungle"}, {64 , "Native US"}, {65 , "Cabaret"}, {66 , "New Wave"}, {67 , "Psychadelic"}, {68 , "Rave"}, {69 , "Showtunes"}, {70 , "Trailer"},
{71 , "Lo-Fi"}, {72 , "Tribal"}, {73 , "Acid Punk"}, {74 , "Acid Jazz"}, {75 , "Polka"}, {76 , "Retro"}, {77 , "Musical"}, {78 , "Rock & Roll"}, {79 , "Hard Rock"}, {80 , "Folk"},
{81 , "Folk-Rock"}, {82 , "National Folk"}, {83 , "Swing"}, {84 , "Fast Fusion"}, {85 , "Bebob"}, {86 , "Latin"}, {87 , "Revival"}, {88 , "Celtic"}, {89 , "Bluegrass"}, {90 , "Avantgarde"},
{91 , "Gothic Rock"}, {92 , "Progressive Rock"}, {93 , "Psychedelic Rock"}, {94 , "Symphonic Rock"}, {95 , "Slow Rock"}, {96 , "Big Band"}, {97 , "Chorus"}, {98 , "Easy Listening"}, {99 , "Acoustic"},
{100 , "Humour"}, {101 , "Speech"}, {102 , "Chanson"}, {103 , "Opera"}, {104 , "Chamber Music"}, {105 , "Sonata"}, {106 , "Symphony"}, {107 , "Booty Bass"}, {108 , "Primus"}, {109 , "Porn Groove"},
{110 , "Satire"}, {111 , "Slow Jam"}, {112 , "Club"}, {113 , "Tango"}, {114 , "Samba"}, {115 , "Folklore"}, {116 , "Ballad"}, {117 , "Power Ballad"}, {118 , "Rhytmic Soul"}, {119 , "Freestyle"}, {120 , "Duet"},
{121 , "Punk Rock"}, {122 , "Drum Solo"}, {123 , "A capella"}, {124 , "Euro-House"}, {125 , "Dance Hall"}, {126 , "Goa"}, {127 , "Drum & Bass"}, {128 , "Club-House"}, {129 , "Hardcore"}, {130 , "Terror"},
{131 , "Indie"}, {132 , "BritPop"}, {133 , "Negerpunk"}, {134 , "Polsk Punk"}, {135 , "Beat"}, {136 , "Christian Gangsta"}, {137 , "Heavy Metal"}, {138 , "Black Metal"}, {139 , "Crossover"}, {140 , "Contemporary C"},
{141 , "Christian Rock"}, {142 , "Merengue"}, {143 , "Salsa"}, {144 , "Thrash Metal"}, {145 , "Anime"}, {146 , "JPop"}, {147 , "SynthPop"}
};
int genreNumber = sizeof (genreList) / sizeof (struct genre);
//Search for FF+D8+FF bytes (first bytes of a jpeg image)
//Returns file position:
int searchJPGstart(int fp, int delta){
int retValue = -1;
int i = 0;
unsigned char *tBuffer = malloc(sizeof(unsigned char) * (delta + 2));
if (tBuffer == NULL)
return -1;
int startPos = sceIoLseek(fp, 0, SCE_SEEK_CUR);
sceIoRead(fp, tBuffer, delta + 2);
sceIoLseek(fp, startPos, SCE_SEEK_SET);
unsigned char *buff = tBuffer;
for (i=0; i<delta; i++){
if(!memcmp(buff++, ID3_JPEG, 3)){
retValue = startPos + i;
break;
}
}
free(tBuffer);
return retValue;
}
//Search for 89 50 4E 47 0D 0A 1A 0A 00 00 00 0D 49 48 44 52 bytes (first bytes of a PNG image)
//Returns file position:
int searchPNGstart(int fp, int delta){
int retValue = -1;
int i = 0;
unsigned char *tBuffer = malloc(sizeof(unsigned char) * (delta + 15));
if (tBuffer == NULL)
return -1;
int startPos = sceIoLseek(fp, 0, SCE_SEEK_CUR);
sceIoRead(fp, tBuffer, delta + 15);
sceIoLseek(fp, startPos, SCE_SEEK_SET);
unsigned char *buff = tBuffer;
for (i=0; i<delta; i++){
if(!memcmp(buff++, ID3_PNG, 16)){
retValue = startPos + i;
break;
}
}
free(tBuffer);
return retValue;
}
// ID3v2 code taken from libID3 by Xart
// http://www.xart.co.uk
short int swapInt16BigToHost(short int arg)
{
short int i=0;
int checkEndian = 1;
if( 1 == *(char *)&checkEndian )
{
// Intel (little endian)
i=arg;
i=((i&0xFF00)>>8)|((i&0x00FF)<<8);
}
else
{
// PPC (big endian)
i=arg;
}
return i;
}
int swapInt32BigToHost(int arg)
{
int i=0;
int checkEndian = 1;
if( 1 == *(char *)&checkEndian )
{
// Intel (little endian)
i=arg;
i=((i&0xFF000000)>>24)|((i&0x00FF0000)>>8)|((i&0x0000FF00)<<8)|((i&0x000000FF)<<24);
}
else
{
// PPC (big endian)
i=arg;
}
return i;
}
static void utf16_to_utf8(uint16_t *src, uint8_t *dst) {
int i;
for (i = 0; src[i]; i++) {
if ((src[i] & 0xFF80) == 0) {
*(dst++) = src[i] & 0xFF;
} else if((src[i] & 0xF800) == 0) {
*(dst++) = ((src[i] >> 6) & 0xFF) | 0xC0;
*(dst++) = (src[i] & 0x3F) | 0x80;
} else if((src[i] & 0xFC00) == 0xD800 && (src[i + 1] & 0xFC00) == 0xDC00) {
*(dst++) = (((src[i] + 64) >> 8) & 0x3) | 0xF0;
*(dst++) = (((src[i] >> 2) + 16) & 0x3F) | 0x80;
*(dst++) = ((src[i] >> 4) & 0x30) | 0x80 | ((src[i + 1] << 2) & 0xF);
*(dst++) = (src[i + 1] & 0x3F) | 0x80;
i += 1;
} else {
*(dst++) = ((src[i] >> 12) & 0xF) | 0xE0;
*(dst++) = ((src[i] >> 6) & 0x3F) | 0x80;
*(dst++) = (src[i] & 0x3F) | 0x80;
}
}
*dst = '\0';
}
//Reads tag data purging invalid characters:
void readTagData(int fp, int tagLength, int maxTagLength, char *tagValue){
// TheFloW: This check corrupts the seeking offset.
// if (tagLength > maxTagLength)
// tagLength = maxTagLength;
int i;
int count = 0;
unsigned short carattere16[tagLength/2+2];
unsigned char carattere8[128];
unsigned char* carattere = (unsigned char*)carattere16;
char* utf8Tag;
strcpy(tagValue, "");
tagValue[0] = '\0';
sceIoRead(fp, carattere, tagLength);
carattere[tagLength] = '\0';
carattere[tagLength+1] = '\0';
// unicode tag
if ( carattere16[0] == 0xFEFF ) {
// utf8Tag = miniConvUTF16LEConv( carattere16 + 1 );
utf16_to_utf8(carattere16 + 1, carattere8);
utf8Tag = (char*)carattere8;
}
// encode to utf8
else {
/* if ( miniConvHaveDefaultSubtitleConv() )
utf8Tag = miniConvDefaultSubtitleConv( carattere );
else */
utf8Tag = (char*)carattere;
}
if ( utf8Tag == NULL || !strlen(utf8Tag)) {
for (i=0; i<tagLength; i++){
if (carattere[i] >= 0x20 && carattere[i] <= 0xfd) //<= 0x7f
tagValue[count++] = carattere[i];
}
tagValue[count] = '\0';
}
else
{
strcpy( tagValue, utf8Tag );
}
}
int ID3v2TagSize(const char *mp3path)
{
int fp = 0;
int size;
char sig[3];
fp = sceIoOpen(mp3path, SCE_O_RDONLY, 0777);
if (fp < 0) return 0;
sceIoRead(fp, sig, sizeof(sig));
if (strncmp("ID3",sig,3) != 0) {
sceIoClose(fp);
return 0;
}
sceIoLseek(fp, 6, SCE_SEEK_SET);
sceIoRead(fp, &size, sizeof(unsigned int));
/*
* The ID3 tag size is encoded with four bytes where the first bit
* (bit 7) is set to zero in every byte, making a total of 28 bits. The zeroed
* bits are ignored, so a 257 bytes long tag is represented as $00 00 02 01.
*/
size = (unsigned int) swapInt32BigToHost((int)size);
size = ( ( (size & 0x7f000000) >> 3 ) | ( (size & 0x7f0000) >> 2 ) | ( (size & 0x7f00) >> 1 ) | (size & 0x7f) );
sceIoClose(fp);
return size;
}
int ID3v2(const char *mp3path)
{
char sig[3];
unsigned short int version;
int fp = sceIoOpen(mp3path, SCE_O_RDONLY, 0777);
if (fp < 0) return 0;
sceIoRead(fp, sig, sizeof(sig));
if (!strncmp("ID3",sig,3)) {
sceIoRead(fp, &version, sizeof(unsigned short int));
version = (unsigned short int) swapInt16BigToHost((short int)version);
version /= 256;
}
sceIoClose(fp);
return (int)version;
}
void ParseID3v2_2(const char *mp3path, struct ID3Tag *id3tag)
{
int fp = 0;
int size;
int tag_length;
char tag[3];
char buffer[20];
//if(ID3v2(mp3path) == 2) {
size = ID3v2TagSize(mp3path);
fp = sceIoOpen(mp3path, SCE_O_RDONLY, 0777);
if (fp < 0) return;
sceIoLseek(fp, 10, SCE_SEEK_SET);
while (size != 0) {
sceIoRead(fp, tag, 3);
size -= 3;
/* read 3 byte big endian tag length */
sceIoRead(fp, &tag_length, sizeof(unsigned int));
sceIoLseek(fp, -1, SCE_SEEK_CUR);
tag_length = (unsigned int) swapInt32BigToHost((int)tag_length);
tag_length = (tag_length / 256);
size -= 3;
/* Perform checks for end of tags and tag length overflow or zero */
if(*tag == 0 || tag_length > size || tag_length == 0) break;
if(!strncmp("TP1",tag,3)) /* Artist */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 260, id3tag->ID3Artist);
}
else if(!strncmp("TT2",tag,3)) /* Title */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 260, id3tag->ID3Title);
}
else if(!strncmp("TAL",tag,3)) /* Album */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 260, id3tag->ID3Album);
}
else if(!strncmp("TRK",tag,3)) /* Track No. */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 8, id3tag->ID3TrackText);
id3tag->ID3Track = atoi(id3tag->ID3TrackText);
}
else if(!strncmp("TYE",tag,3)) /* Year */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 12, id3tag->ID3Year);
}
else if(!strncmp("TLE",tag,3)) /* Length */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 264, buffer);
id3tag->ID3Length = atoi(buffer);
}
else if(!strncmp("COM",tag,3)) /* Comment */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 260, id3tag->ID3Comment);
}
else if(!strncmp("TCO",tag,3)) /* Genre */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 260, id3tag->ID3GenreText);
if (id3tag->ID3GenreText[0] == '(' && id3tag->ID3GenreText[strlen(id3tag->ID3GenreText) - 1] == ')')
{
id3tag->ID3GenreText[0] = ' ';
id3tag->ID3GenreText[strlen(id3tag->ID3GenreText) - 1] = '\0';
int index = atoi(id3tag->ID3GenreText);
if (index >= 0 && index < genreNumber)
strcpy(id3tag->ID3GenreText, genreList[index].text);
}
}
else if(!strncmp("PIC",tag,3)) /* Picture */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
sceIoLseek(fp, 5, SCE_SEEK_CUR);
id3tag->ID3EncapsulatedPictureType = JPEG_IMAGE;
id3tag->ID3EncapsulatedPictureOffset = searchJPGstart(fp, tag_length - 1);
if (id3tag->ID3EncapsulatedPictureOffset < 0){
id3tag->ID3EncapsulatedPictureType = PNG_IMAGE;
id3tag->ID3EncapsulatedPictureOffset = searchPNGstart(fp, tag_length - 1);
}
tag_length = tag_length - (id3tag->ID3EncapsulatedPictureOffset - sceIoLseek(fp, 0, SCE_SEEK_CUR));
id3tag->ID3EncapsulatedPictureLength = tag_length-6;
sceIoLseek(fp, tag_length-6, SCE_SEEK_CUR);
if (id3tag->ID3EncapsulatedPictureOffset < 0){
id3tag->ID3EncapsulatedPictureType = 0;
id3tag->ID3EncapsulatedPictureOffset = 0;
id3tag->ID3EncapsulatedPictureLength = 0;
}
}
else
{
sceIoLseek(fp, tag_length, SCE_SEEK_CUR);
}
size -= tag_length;
}
strcpy(id3tag->versionfound, "2.2");
sceIoClose(fp);
//}
}
void ParseID3v2_3(const char *mp3path, struct ID3Tag *id3tag)
{
int fp = 0;
int size;
int tag_length;
char tag[4];
char buffer[20];
//if(ID3v2(mp3path) == 3) {
size = ID3v2TagSize(mp3path);
fp = sceIoOpen(mp3path, SCE_O_RDONLY, 0777);
if (fp < 0) return;
sceIoLseek(fp, 10, SCE_SEEK_SET);
while (size != 0) {
sceIoRead(fp, tag, 4);
size -= 4;
/* read 4 byte big endian tag length */
sceIoRead(fp, &tag_length, sizeof(unsigned int));
tag_length = (unsigned int) swapInt32BigToHost((int)tag_length);
size -= 4;
sceIoLseek(fp, 2, SCE_SEEK_CUR);
size -= 2;
/* Perform checks for end of tags and tag length overflow or zero */
if(*tag == 0 || tag_length > size || tag_length == 0) break;
if(!strncmp("TPE1",tag,4)) /* Artist */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 260, id3tag->ID3Artist);
}
else if(!strncmp("TIT2",tag,4)) /* Title */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 260, id3tag->ID3Title);
}
else if(!strncmp("TALB",tag,4)) /* Album */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 260, id3tag->ID3Album);
}
else if(!strncmp("TRCK",tag,4)) /* Track No. */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 8, id3tag->ID3TrackText);
id3tag->ID3Track = atoi(id3tag->ID3TrackText);
}
else if(!strncmp("TYER",tag,4)) /* Year */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 12, id3tag->ID3Year);
}
else if(!strncmp("TLEN",tag,4)) /* Length in milliseconds */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 264, buffer);
id3tag->ID3Length = atol(buffer) / 1000;
}
else if(!strncmp("TCON",tag,4)) /* Genre */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 260, id3tag->ID3GenreText);
if (id3tag->ID3GenreText[0] == '(' && id3tag->ID3GenreText[strlen(id3tag->ID3GenreText) - 1] == ')')
{
id3tag->ID3GenreText[0] = ' ';
id3tag->ID3GenreText[strlen(id3tag->ID3GenreText) - 1] = '\0';
int index = atoi(id3tag->ID3GenreText);
if (index >= 0 && index < genreNumber)
strcpy(id3tag->ID3GenreText, genreList[index].text);
}
}
else if(!strncmp("COMM",tag,4)) /* Comment */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 260, id3tag->ID3Comment);
}
else if(!strncmp("APIC",tag,4)) /* Picture */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
sceIoLseek(fp, 12, SCE_SEEK_CUR);
id3tag->ID3EncapsulatedPictureType = JPEG_IMAGE;
id3tag->ID3EncapsulatedPictureOffset = searchJPGstart(fp, tag_length - 1);
if (id3tag->ID3EncapsulatedPictureOffset < 0){
id3tag->ID3EncapsulatedPictureType = PNG_IMAGE;
id3tag->ID3EncapsulatedPictureOffset = searchPNGstart(fp, tag_length - 1);
}
tag_length = tag_length - (id3tag->ID3EncapsulatedPictureOffset - sceIoLseek(fp, 0, SCE_SEEK_CUR));
id3tag->ID3EncapsulatedPictureLength = tag_length-13;
sceIoLseek(fp, tag_length-13, SCE_SEEK_CUR);
if (id3tag->ID3EncapsulatedPictureOffset < 0){
id3tag->ID3EncapsulatedPictureType = 0;
id3tag->ID3EncapsulatedPictureOffset = 0;
id3tag->ID3EncapsulatedPictureLength = 0;
}
}
else
{
sceIoLseek(fp, tag_length, SCE_SEEK_CUR);
}
size -= tag_length;
}
strcpy(id3tag->versionfound, "2.3");
sceIoClose(fp);
//}
}
void ParseID3v2_4(const char *mp3path, struct ID3Tag *id3tag)
{
int fp = 0;
int size;
int tag_length;
char tag[4];
char buffer[20];
//if(ID3v2(mp3path) == 4) {
size = ID3v2TagSize(mp3path);
fp = sceIoOpen(mp3path, SCE_O_RDONLY, 0777);
if (fp < 0) return;
sceIoLseek(fp, 10, SCE_SEEK_SET);
while (size != 0) {
sceIoRead(fp, tag, 4);
size -= 4;
/* read 4 byte big endian tag length */
sceIoRead(fp, &tag_length, sizeof(unsigned int));
tag_length = (unsigned int) swapInt32BigToHost((int)tag_length);
size -= 4;
sceIoLseek(fp, 2, SCE_SEEK_CUR);
size -= 2;
/* Perform checks for end of tags and tag length overflow or zero */
if(*tag == 0 || tag_length > size || tag_length == 0) break;
if(!strncmp("TPE1",tag,4)) /* Artist */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 260, id3tag->ID3Artist);
}
else if(!strncmp("TIT2",tag,4)) /* Title */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 260, id3tag->ID3Title);
}
else if(!strncmp("TALB",tag,4)) /* Album */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 260, id3tag->ID3Album);
}
else if(!strncmp("TRCK",tag,4)) /* Track No. */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 8, id3tag->ID3TrackText);
id3tag->ID3Track = atoi(id3tag->ID3TrackText);
}
else if(!strncmp("TYER",tag,4)) /* Year */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 12, id3tag->ID3Year);
}
else if(!strncmp("TLEN",tag,4)) /* Length in milliseconds */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 264, buffer);
id3tag->ID3Length = atol(buffer) / 1000;
}
else if(!strncmp("TCON",tag,4)) /* Genre */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 260, id3tag->ID3GenreText);
}
else if(!strncmp("COMM",tag,4)) /* Comment */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
readTagData(fp, tag_length - 1, 260, id3tag->ID3Comment);
}
else if(!strncmp("APIC",tag,4)) /* Picture */
{
sceIoLseek(fp, 1, SCE_SEEK_CUR);
sceIoLseek(fp, 12, SCE_SEEK_CUR);
id3tag->ID3EncapsulatedPictureType = JPEG_IMAGE;
id3tag->ID3EncapsulatedPictureOffset = searchJPGstart(fp, tag_length - 1);
if (id3tag->ID3EncapsulatedPictureOffset < 0){
id3tag->ID3EncapsulatedPictureType = PNG_IMAGE;
id3tag->ID3EncapsulatedPictureOffset = searchPNGstart(fp, tag_length - 1);
}
tag_length = tag_length - (id3tag->ID3EncapsulatedPictureOffset - sceIoLseek(fp, 0, SCE_SEEK_CUR));
id3tag->ID3EncapsulatedPictureLength = tag_length-13;
sceIoLseek(fp, tag_length-13, SCE_SEEK_CUR);
if (id3tag->ID3EncapsulatedPictureOffset < 0){
id3tag->ID3EncapsulatedPictureType = 0;
id3tag->ID3EncapsulatedPictureOffset = 0;
id3tag->ID3EncapsulatedPictureLength = 0;
}
}
else
{
sceIoLseek(fp, tag_length, SCE_SEEK_CUR);
}
size -= tag_length;
}
strcpy(id3tag->versionfound, "2.4");
sceIoClose(fp);
//}
}
int ParseID3v2(const char *mp3path, struct ID3Tag *id3tag)
{
switch (ID3v2(mp3path)) {
case 2:
ParseID3v2_2(mp3path, id3tag);
break;
case 3:
ParseID3v2_3(mp3path, id3tag);
break;
case 4:
ParseID3v2_4(mp3path, id3tag);
break;
default:
return -1;
}
/* If no Title is found, uses filename - extension for Title. */
/*if(*id3tag->ID3Title == 0) {
strcpy(id3tag->ID3Title,strrchr(mp3path,'/') + 1);
if (*strrchr(id3tag->ID3Title,'.') != 0) *strrchr(id3tag->ID3Title,'.') = 0;
}*/
return 0;
}
int ParseID3v1(const char *mp3path, struct ID3Tag *id3tag){
int id3fd; //our local file descriptor
char id3buffer[512];
id3fd = sceIoOpen(mp3path, SCE_O_RDONLY, 0777);
if (id3fd < 0)
return -1;
sceIoLseek(id3fd, -128, SEEK_END);
sceIoRead(id3fd,id3buffer,128);
if (strstr(id3buffer,"TAG") != NULL){
sceIoLseek(id3fd, -125, SEEK_END);
sceIoRead(id3fd,id3tag->ID3Title,30);
id3tag->ID3Title[30] = '\0';
sceIoLseek(id3fd, -95, SEEK_END);
sceIoRead(id3fd,id3tag->ID3Artist,30);
id3tag->ID3Artist[30] = '\0';
sceIoLseek(id3fd, -65, SEEK_END);
sceIoRead(id3fd,id3tag->ID3Album,30);
id3tag->ID3Album[30] = '\0';
sceIoLseek(id3fd, -35, SEEK_END);
sceIoRead(id3fd,id3tag->ID3Year,4);
id3tag->ID3Year[4] = '\0';
sceIoLseek(id3fd, -31, SEEK_END);
sceIoRead(id3fd,id3tag->ID3Comment,30);
id3tag->ID3Comment[30] = '\0';
sceIoLseek(id3fd, -1, SEEK_END);
sceIoRead(id3fd,id3tag->ID3GenreCode,1);
id3tag->ID3GenreCode[1] = '\0';
/* Track */
if (*(id3tag->ID3Comment + 28) == 0 && *(id3tag->ID3Comment + 29) > 0) {
id3tag->ID3Track = (int)*(id3tag->ID3Comment + 29);
strcpy(id3tag->versionfound, "1.1");
} else {
id3tag->ID3Track = 1;
strcpy(id3tag->versionfound, "1.0");
}
if (((int)id3tag->ID3GenreCode[0] >= 0) & ((int)id3tag->ID3GenreCode[0] < genreNumber)){
strcpy(id3tag->ID3GenreText, genreList[(int)id3tag->ID3GenreCode[0]].text);
}
else{
strcpy(id3tag->ID3GenreText, "");
}
id3tag->ID3GenreText[30] = '\0';
}else{
sceIoClose(id3fd);
return -1;
}
sceIoClose(id3fd);
return 0;
}
// Main function:
int ParseID3(char *mp3path, struct ID3Tag *target)
{
memset(target, 0, sizeof(struct ID3Tag));
ParseID3v1(mp3path, target);
ParseID3v2(mp3path, target);
// if (!strlen(target->ID3Title))
// getFileName(mp3path, target->ID3Title);
return 0;
}