diff options
Diffstat (limited to 'apps/mp3data.c')
| -rw-r--r-- | apps/mp3data.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/apps/mp3data.c b/apps/mp3data.c index 89af498..31ed492 100644 --- a/apps/mp3data.c +++ b/apps/mp3data.c @@ -213,6 +213,19 @@ static bool headers_have_same_type(unsigned long header1, return header1 ? (header1 == header2) : true; } +/* Helper function to read 4-byte in big endian format. */ +static void read_uint32be_mp3data(int fd, unsigned long *data, long *pos) +{ +#ifdef ROCKBOX_BIG_ENDIAN + (void)read(fd, (char*)data, 4); +#else + char tmp[4]; + (void)read(fd, tmp, 4); + *data = (tmp[0]<<24) | (tmp[1]<<16) | (tmp[2]<<8) | tmp[3]; +#endif + *pos += 4; +} + static unsigned long __find_next_frame(int fd, long *offset, long max_offset, unsigned long reference_header, int(*getfunc)(int fd, unsigned char *c), @@ -259,7 +272,8 @@ static unsigned long __find_next_frame(int fd, long *offset, long max_offset, /* Read possible next frame header and seek back to last frame * headers byte position. */ reference_header = 0; - read_uint32be(fd, (uint32_t*)&reference_header); + read_uint32be_mp3data(fd, &reference_header, &pos); + // lseek(fd, -info.frame_size, SEEK_CUR); /* If the current header is of the same type as the previous |