- header->crc = buffer[1] & 1;
- header->bitrate = (buffer[2] >> 4) & 0x0F;
-// PARA_DEBUG_LOG("%s: found header, bitrate: %u\n", __func__,
-// header->bitrate);
- header->freq = (buffer[2] >> 2) & 0x3;
- header->padding = (buffer[2] >>1) & 0x1;
- header->mode = (buffer[3] >> 6) & 0x3;
+ header->crc = map[*fpos + 1] & 1;
+ header->bitrate = (map[*fpos + 2] >> 4) & 0x0F;
+ header->freq = (map[*fpos + 2] >> 2) & 0x3;
+ header->padding = (map[*fpos + 2] >>1) & 0x1;
+ header->mode = (map[*fpos + 3] >> 6) & 0x3;