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Determine song length of aac files

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This commit is contained in:
Ron Pedde 2004-03-14 07:28:52 +00:00
parent 1003467e63
commit 6795f24fae
1 changed files with 89 additions and 12 deletions
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101
src/mp3-scanner.c
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@ -241,7 +241,10 @@ int scan_path(char *path);
int scan_gettags(char *file, MP3FILE *pmp3);
int scan_get_mp3tags(char *file, MP3FILE *pmp3);
int scan_get_aactags(char *file, MP3FILE *pmp3);
int scan_getfileinfo(char *file, MP3FILE *pmp3);
int scan_get_fileinfo(char *file, MP3FILE *pmp3);
int scan_get_mp3fileinfo(char *file, MP3FILE *pmp3);
int scan_get_aacfileinfo(char *file, MP3FILE *pmp3);
int scan_freetags(MP3FILE *pmp3);
void scan_static_playlist(char *path, struct dirent *pde, struct stat *psb);
void scan_music_file(char *path, struct dirent *pde, struct stat *psb);
@ -436,7 +439,7 @@ void scan_music_file(char *path, struct dirent *pde, struct stat *psb) {
/* Do the tag lookup here */
if(!scan_gettags(mp3file.path,&mp3file) &&
!scan_getfileinfo(mp3file.path,&mp3file)) {
!scan_get_fileinfo(mp3file.path,&mp3file)) {
db_add(&mp3file);
pl_eval(&mp3file); /* FIXME: move to db_add? */
} else {
@ -604,6 +607,12 @@ int scan_gettags(char *file, MP3FILE *pmp3) {
if(!strcasecmp(pmp3->type,".m4a"))
return scan_get_aactags(file,pmp3);
if(!strcasecmp(pmp3->type,".m4p"))
return scan_get_aactags(file,pmp3);
if(!strcasecmp(pmp3->type,".mp4"))
return scan_get_aactags(file,pmp3);
/* should handle mp3 in the same way */
if(!strcasecmp(pmp3->type,".mp3"))
return scan_get_mp3tags(file,pmp3);
@ -631,9 +640,6 @@ int scan_get_mp3tags(char *file, MP3FILE *pmp3) {
id3_ucs4_t const *native_text;
char *tmp;
if(strcasecmp(pmp3->type,".mp3")) /* can't get tags for non-mp3 */
return 0;
@ -758,13 +764,89 @@ int scan_freetags(MP3FILE *pmp3) {
return 0;
}
/*
* scan_getfileinfo
* scan_get_fileinfo
*
* Dispatch to actual file info handlers
*/
int scan_get_fileinfo(char *file, MP3FILE *pmp3) {
FILE *infile;
off_t file_size;
if(strcasestr(".aac.m4a.m4p.mp4",pmp3->type))
return scan_get_aacfileinfo(file,pmp3);
if(!strcasecmp(pmp3->type,".mp3"))
return scan_get_mp3fileinfo(file,pmp3);
/* a file we don't know anything about... ogg or aiff maybe */
if(!(infile=fopen(file,"rb"))) {
DPRINTF(ERR_WARN,"Could not open %s for reading\n",file);
return -1;
}
/* we can at least get this */
fseek(infile,0,SEEK_END);
file_size=ftell(infile);
fseek(infile,0,SEEK_SET);
pmp3->file_size=file_size;
fclose(infile);
return 0;
}
/*
* scan_get_aacfileinfo
*
* Get info from the actual aac headers
*/
int scan_get_aacfileinfo(char *file, MP3FILE *pmp3) {
FILE *infile;
long atom_offset;
int atom_length;
int temp_int;
off_t file_size;
DPRINTF(ERR_DEBUG,"Getting AAC file info\n");
if(!(infile=fopen(file,"rb"))) {
DPRINTF(ERR_WARN,"Could not open %s for reading\n",file);
return -1;
}
fseek(infile,0,SEEK_END);
file_size=ftell(infile);
fseek(infile,0,SEEK_SET);
pmp3->file_size=file_size;
/* now, hunt for the mvhd atom */
atom_offset=scan_aac_findatom(infile,file_size,"moov",&atom_length);
if(atom_offset != -1) {
atom_offset=scan_aac_findatom(infile,atom_length-8,"mvhd",&atom_length);
if(atom_offset != -1) {
fseek(infile,16,SEEK_CUR);
fread((void*)&temp_int,1,sizeof(int),infile);
temp_int=ntohl(temp_int);
pmp3->song_length=temp_int/600;
DPRINTF(ERR_DEBUG,"Song length: %d seconds\n",temp_int/600);
}
}
fclose(infile);
return 0;
}
/*
* scan_get_mp3fileinfo
*
* Get information from the file headers itself -- like
* song length, bit rate, etc.
*/
int scan_getfileinfo(char *file, MP3FILE *pmp3) {
int scan_get_mp3fileinfo(char *file, MP3FILE *pmp3) {
FILE *infile;
SCAN_ID3HEADER *pid3;
unsigned int size=0;
@ -790,11 +872,6 @@ int scan_getfileinfo(char *file, MP3FILE *pmp3) {
pmp3->file_size=file_size;
if(strcasecmp(pmp3->type,".mp3")) { /* can't get bit-info for non-mp3 */
fclose(infile);
return 0;
}
fread(buffer,1,sizeof(buffer),infile);
pid3=(SCAN_ID3HEADER*)buffer;