AVStream *st = s->streams[idx];
dirac_source_params source;
GetBitContext gb;
+ int ret;
// already parsed the header
if (st->codec->codec_id == AV_CODEC_ID_DIRAC)
return 0;
- init_get_bits(&gb, os->buf + os->pstart + 13, (os->psize - 13) * 8);
- if (avpriv_dirac_parse_sequence_header(st->codec, &gb, &source) < 0)
- return -1;
+ ret = init_get_bits8(&gb, os->buf + os->pstart + 13, (os->psize - 13));
+ if (ret < 0)
+ return ret;
+
+ ret = avpriv_dirac_parse_sequence_header(st->codec, &gb, &source);
+ if (ret < 0)
+ return ret;
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->codec->codec_id = AV_CODEC_ID_DIRAC;