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| #include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "FLAC/all.h"
int get_tag_mem(const char* lefile, char* letag)
{
FLAC__StreamMetadata *metadata_block;
FLAC__StreamMetadata_VorbisComment *vorbisComment;
FLAC__uint32 num_tag;
FLAC__StreamMetadata_VorbisComment_Entry *vorbisComment_entry;
int ret = -1;
size_t lentag = strlen(letag);
char* buftemp = NULL;
printf("affichage get_tag_mem\n");
if(FLAC__metadata_get_tags(lefile, &metadata_block))
{
printf("adress letag = %d\n", *letag);
vorbisComment = &metadata_block->data.vorbis_comment;
for(num_tag = 0; num_tag < vorbisComment->num_comments; num_tag++) //parcours des tags
{
vorbisComment_entry = &vorbisComment->comments[num_tag];
FLAC__byte *entry = vorbisComment_entry->entry;
if(! strncmp((char*)entry, letag, lentag))
{
buftemp = (char*) realloc(letag, vorbisComment_entry->length + 1);
if(buftemp != NULL)
{
strcpy(buftemp, (char*) entry);
printf("adress buftemp = %d\n", *buftemp);
printf("adress letag = %d\n", *letag);
letag = buftemp;
printf("adress letag = %d\n", *letag);
printf("letag = %s\n", letag);
ret = strlen(buftemp);
}
break;
}
}
FLAC__metadata_object_delete(metadata_block); //liberation de la memoire utilise par libflac
}
return(ret);
}
int main(int argc, char *argv[])
{
if (argc == 2)
{
char *lefile = argv[argc - 1];
int ret;
char tag[] = "TITLE=", *buff;
printf("%s\n", tag);
buff = (char*) malloc(strlen(tag)+1);
if(buff != NULL)
{
strcpy(buff, tag);
printf("buff = %s\n", buff);
ret = get_tag_mem(lefile, buff);
printf("affichage dans main\n");
printf("retour = %d\n", ret);
printf("buff = %s\n", buff);
printf("adress letag = %d\n", *buff);
free(buff);
}
}
return 0; |
