diff options
| -rw-r--r-- | firmware/id3.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/firmware/id3.c b/firmware/id3.c index 0e7a5f227b..4da0224641 100644 --- a/firmware/id3.c +++ b/firmware/id3.c @@ -49,6 +49,11 @@ ((b3 & 0x7F) << (1*7)) | \ ((b4 & 0x7F) << (0*7))) +#define BYTES_TO_INT(b1,b2,b3,b4) (((b1 & 0xFF) << (3*8)) | \ + ((b2 & 0xFF) << (2*8)) | \ + ((b3 & 0xFF) << (1*8)) | \ + ((b4 & 0xFF) << (0*8))) + /* Table of bitrates for MP3 files, all values in kilo. * Indexed by version, layer and value of bit 15-12 in header. */ @@ -215,8 +220,15 @@ static void setid3v2title(int fd, struct mp3entry *entry) if(version > 2) { memcpy(header, (buffer + readsize), 10); readsize += 10; - headerlen = UNSYNC(header[4], header[5], - header[6], header[7]); + if (version > 3) { + headerlen = UNSYNC(header[4], header[5], + header[6], header[7]); + } else { + /* version .3 files don't use synchsafe ints for + * size */ + headerlen = BYTES_TO_INT(header[4], header[5], + header[6], header[7]); + } } else { memcpy(header, (buffer + readsize), 6); readsize += 6; |