id3tag.c

MPEG-4编解码的实现(包括MPEG4视音频编解码)

/*
 * functions for writing ID3 tags in LAME
 *
 * text functions stolen from mp3info by Ricardo Cerqueira <[e-mail]>
 * adapted for LAME by Conrad Sanderson <[e-mail]>
 *
 * 
 */ 
 
#include <stdio.h>
#include <string.h>
#include "id3tag.h"
ID3TAGDATA id3tag;
 
/*
 * If "string" is shorter than "length", pad it with ' ' (spaces)
 */

static void id3_pad(char *string, int length) {
	int l;  l=strlen(string);
	
	while(l<length) { string[l] = ' '; l++; }
	string[l]='\0';
	}


/*
 * initialize temporary fields
 */

void id3_inittag(ID3TAGDATA *tag) {
	strcpy( tag->title, "");
	strcpy( tag->artist, "");
	strcpy( tag->album, "");
	strcpy( tag->year, "");    
	strcpy( tag->comment, "");
	strcpy( tag->genre, "