static uint8_t get_sot(J2kDecoderContext *s) { if (s->buf_end - s->buf < 4) return AVERROR(EINVAL); s->curtileno = bytestream_get_be16(&s->buf); ///< Isot if((unsigned)s->curtileno >= s->numXtiles * s->numYtiles){ s->curtileno=0; return AVERROR(EINVAL); } s->buf += 4; ///< Psot (ignored) if (!bytestream_get_byte(&s->buf)){ ///< TPsot J2kTile *tile = s->tile + s->curtileno; /* copy defaults */ memcpy(tile->codsty, s->codsty, s->ncomponents * sizeof(J2kCodingStyle)); memcpy(tile->qntsty, s->qntsty, s->ncomponents * sizeof(J2kQuantStyle)); } bytestream_get_byte(&s->buf); ///< TNsot return 0; }