static int ac3_eac3_probe(AVProbeData *p, enum AVCodecID expected_codec_id)
{
int max_frames, first_frames = 0, frames;
- uint8_t *buf, *buf2, *end;
+ const uint8_t *buf, *buf2, *end;
AC3HeaderInfo hdr;
GetBitContext gbc;
enum AVCodecID codec_id = AV_CODEC_ID_AC3;