AVERROR_PS_NOT_FOUND  314 libavcodec/h264_sei.c         return sps_id > 31 ? AVERROR_INVALIDDATA : AVERROR_PS_NOT_FOUND;
AVERROR_PS_NOT_FOUND  482 libavcodec/h264_sei.c         if (ret < 0 && ret != AVERROR_PS_NOT_FOUND)