Fix #1468: bugfix parcat: remove duplicate prefix sei for IDR

source/App/Parcat/parcat.cpp

@@ -330,7 +330,7 @@ std::vector<uint8_t> filter_segment(const std::vector<uint8_t> & v, int idx, int
       idr_found = true;
     }
     if ((idx > 1 && (nalu_type == NAL_UNIT_CODED_SLICE_IDR_W_RADL || nalu_type == NAL_UNIT_CODED_SLICE_IDR_N_LP)) 
-      || ((idx > 1 && !idr_found) && (nalu_type == NAL_UNIT_OPI || nalu_type == NAL_UNIT_DCI || nalu_type == NAL_UNIT_VPS || nalu_type == NAL_UNIT_SPS || nalu_type == NAL_UNIT_PPS || nalu_type == NAL_UNIT_PREFIX_APS || nalu_type == NAL_UNIT_SUFFIX_APS || nalu_type == NAL_UNIT_PH || nalu_type == NAL_UNIT_ACCESS_UNIT_DELIMITER)) 
+      || ((idx > 1 && !idr_found) && (nalu_type == NAL_UNIT_OPI || nalu_type == NAL_UNIT_DCI || nalu_type == NAL_UNIT_VPS || nalu_type == NAL_UNIT_SPS || nalu_type == NAL_UNIT_PPS || nalu_type == NAL_UNIT_PREFIX_APS || nalu_type == NAL_UNIT_SUFFIX_APS || nalu_type == NAL_UNIT_PH || nalu_type == NAL_UNIT_ACCESS_UNIT_DELIMITER || nalu_type == NAL_UNIT_PREFIX_SEI))
       || (nalu_type == NAL_UNIT_SUFFIX_SEI && skip_next_sei))
     {
     }