int ff_dca_core_parse(DCACoreDecoder *s, uint8_t *data, int size) { int ret; s->ext_audio_mask = 0; s->xch_pos = s->xxch_pos = s->x96_pos = 0; if ((ret = init_get_bits8(&s->gb, data, size)) < 0) return ret; s->gb_in = s->gb; if ((ret = parse_frame_header(s)) < 0) return ret; if ((ret = alloc_sample_buffer(s)) < 0) return ret; if ((ret = parse_frame_data(s, HEADER_CORE, 0)) < 0) return ret; if ((ret = parse_optional_info(s)) < 0) return ret; // Workaround for DTS in WAV if (s->frame_size > size && s->frame_size < size + 4) s->frame_size = size; if (ff_dca_seek_bits(&s->gb, s->frame_size * 8)) { av_log(s->avctx, AV_LOG_ERROR, "Read past end of core frame\n"); if (s->avctx->err_recognition & AV_EF_EXPLODE) return AVERROR_INVALIDDATA; } return 0; }